arch/x86/events/intel/core.c

   1 /*
   2  * Per core/cpu state
   3  *
   4  * Used to coordinate shared registers between HT threads or
   5  * among events on a single PMU.
   6  */
   7
   8 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
   9
  10 #include <linux/stddef.h>
  11 #include <linux/types.h>
  12 #include <linux/init.h>
  13 #include <linux/slab.h>
  14 #include <linux/export.h>
  15 #include <linux/nmi.h>
  16
  17 #include <asm/cpufeature.h>
  18 #include <asm/hardirq.h>
  19 #include <asm/intel-family.h>
  20 #include <asm/apic.h>
  21
  22 #include "../perf_event.h"
  23
  24 /*
  25  * Intel PerfMon, used on Core and later.
  26  */
  27 static u64 intel_perfmon_event_map[PERF_COUNT_HW_MAX] __read_mostly =
  28 {
  29         [PERF_COUNT_HW_CPU_CYCLES]              = 0x003c,
  30         [PERF_COUNT_HW_INSTRUCTIONS]            = 0x00c0,
  31         [PERF_COUNT_HW_CACHE_REFERENCES]        = 0x4f2e,
  32         [PERF_COUNT_HW_CACHE_MISSES]            = 0x412e,
  33         [PERF_COUNT_HW_BRANCH_INSTRUCTIONS]     = 0x00c4,
  34         [PERF_COUNT_HW_BRANCH_MISSES]           = 0x00c5,
  35         [PERF_COUNT_HW_BUS_CYCLES]              = 0x013c,
  36         [PERF_COUNT_HW_REF_CPU_CYCLES]          = 0x0300, /* pseudo-encoding */
  37 };
  38
  39 static struct event_constraint intel_core_event_constraints[] __read_mostly =
  40 {
  41         INTEL_EVENT_CONSTRAINT(0x11, 0x2), /* FP_ASSIST */
  42         INTEL_EVENT_CONSTRAINT(0x12, 0x2), /* MUL */
  43         INTEL_EVENT_CONSTRAINT(0x13, 0x2), /* DIV */
  44         INTEL_EVENT_CONSTRAINT(0x14, 0x1), /* CYCLES_DIV_BUSY */
  45         INTEL_EVENT_CONSTRAINT(0x19, 0x2), /* DELAYED_BYPASS */
  46         INTEL_EVENT_CONSTRAINT(0xc1, 0x1), /* FP_COMP_INSTR_RET */
  47         EVENT_CONSTRAINT_END
  48 };
  49
  50 static struct event_constraint intel_core2_event_constraints[] __read_mostly =
  51 {
  52         FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
  53         FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
  54         FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
  55         INTEL_EVENT_CONSTRAINT(0x10, 0x1), /* FP_COMP_OPS_EXE */
  56         INTEL_EVENT_CONSTRAINT(0x11, 0x2), /* FP_ASSIST */
  57         INTEL_EVENT_CONSTRAINT(0x12, 0x2), /* MUL */
  58         INTEL_EVENT_CONSTRAINT(0x13, 0x2), /* DIV */
  59         INTEL_EVENT_CONSTRAINT(0x14, 0x1), /* CYCLES_DIV_BUSY */
  60         INTEL_EVENT_CONSTRAINT(0x18, 0x1), /* IDLE_DURING_DIV */
  61         INTEL_EVENT_CONSTRAINT(0x19, 0x2), /* DELAYED_BYPASS */
  62         INTEL_EVENT_CONSTRAINT(0xa1, 0x1), /* RS_UOPS_DISPATCH_CYCLES */
  63         INTEL_EVENT_CONSTRAINT(0xc9, 0x1), /* ITLB_MISS_RETIRED (T30-9) */
  64         INTEL_EVENT_CONSTRAINT(0xcb, 0x1), /* MEM_LOAD_RETIRED */
  65         EVENT_CONSTRAINT_END
  66 };
  67
  68 static struct event_constraint intel_nehalem_event_constraints[] __read_mostly =
  69 {
  70         FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
  71         FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
  72         FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
  73         INTEL_EVENT_CONSTRAINT(0x40, 0x3), /* L1D_CACHE_LD */
  74         INTEL_EVENT_CONSTRAINT(0x41, 0x3), /* L1D_CACHE_ST */
  75         INTEL_EVENT_CONSTRAINT(0x42, 0x3), /* L1D_CACHE_LOCK */
  76         INTEL_EVENT_CONSTRAINT(0x43, 0x3), /* L1D_ALL_REF */
  77         INTEL_EVENT_CONSTRAINT(0x48, 0x3), /* L1D_PEND_MISS */
  78         INTEL_EVENT_CONSTRAINT(0x4e, 0x3), /* L1D_PREFETCH */
  79         INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */
  80         INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */
  81         EVENT_CONSTRAINT_END
  82 };
  83
  84 static struct extra_reg intel_nehalem_extra_regs[] __read_mostly =
  85 {
  86         /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
  87         INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0xffff, RSP_0),
  88         INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x100b),
  89         EVENT_EXTRA_END
  90 };
  91
  92 static struct event_constraint intel_westmere_event_constraints[] __read_mostly =
  93 {
  94         FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
  95         FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
  96         FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
  97         INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */
  98         INTEL_EVENT_CONSTRAINT(0x60, 0x1), /* OFFCORE_REQUESTS_OUTSTANDING */
  99         INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */
 100         INTEL_EVENT_CONSTRAINT(0xb3, 0x1), /* SNOOPQ_REQUEST_OUTSTANDING */
 101         EVENT_CONSTRAINT_END
 102 };
 103
 104 static struct event_constraint intel_snb_event_constraints[] __read_mostly =
 105 {
 106         FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
 107         FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
 108         FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
 109         INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_DISPATCH */
 110         INTEL_UEVENT_CONSTRAINT(0x05a3, 0xf), /* CYCLE_ACTIVITY.STALLS_L2_PENDING */
 111         INTEL_UEVENT_CONSTRAINT(0x02a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */
 112         INTEL_UEVENT_CONSTRAINT(0x06a3, 0x4), /* CYCLE_ACTIVITY.STALLS_L1D_PENDING */
 113         INTEL_EVENT_CONSTRAINT(0x48, 0x4), /* L1D_PEND_MISS.PENDING */
 114         INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */
 115         INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.LOAD_LATENCY */
 116         INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_DISPATCH */
 117         INTEL_UEVENT_CONSTRAINT(0x02a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */
 118
 119         /*
 120          * When HT is off these events can only run on the bottom 4 counters
 121          * When HT is on, they are impacted by the HT bug and require EXCL access
 122          */
 123         INTEL_EXCLEVT_CONSTRAINT(0xd0, 0xf), /* MEM_UOPS_RETIRED.* */
 124         INTEL_EXCLEVT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */
 125         INTEL_EXCLEVT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */
 126         INTEL_EXCLEVT_CONSTRAINT(0xd3, 0xf), /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */
 127
 128         EVENT_CONSTRAINT_END
 129 };
 130
 131 static struct event_constraint intel_ivb_event_constraints[] __read_mostly =
 132 {
 133         FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
 134         FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
 135         FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
 136         INTEL_UEVENT_CONSTRAINT(0x0148, 0x4), /* L1D_PEND_MISS.PENDING */
 137         INTEL_UEVENT_CONSTRAINT(0x0279, 0xf), /* IDQ.EMTPY */
 138         INTEL_UEVENT_CONSTRAINT(0x019c, 0xf), /* IDQ_UOPS_NOT_DELIVERED.CORE */
 139         INTEL_UEVENT_CONSTRAINT(0x02a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_LDM_PENDING */
 140         INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_EXECUTE */
 141         INTEL_UEVENT_CONSTRAINT(0x05a3, 0xf), /* CYCLE_ACTIVITY.STALLS_L2_PENDING */
 142         INTEL_UEVENT_CONSTRAINT(0x06a3, 0xf), /* CYCLE_ACTIVITY.STALLS_LDM_PENDING */
 143         INTEL_UEVENT_CONSTRAINT(0x08a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */
 144         INTEL_UEVENT_CONSTRAINT(0x0ca3, 0x4), /* CYCLE_ACTIVITY.STALLS_L1D_PENDING */
 145         INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */
 146
 147         /*
 148          * When HT is off these events can only run on the bottom 4 counters
 149          * When HT is on, they are impacted by the HT bug and require EXCL access
 150          */
 151         INTEL_EXCLEVT_CONSTRAINT(0xd0, 0xf), /* MEM_UOPS_RETIRED.* */
 152         INTEL_EXCLEVT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */
 153         INTEL_EXCLEVT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */
 154         INTEL_EXCLEVT_CONSTRAINT(0xd3, 0xf), /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */
 155
 156         EVENT_CONSTRAINT_END
 157 };
 158
 159 static struct extra_reg intel_westmere_extra_regs[] __read_mostly =
 160 {
 161         /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
 162         INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0xffff, RSP_0),
 163         INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0xffff, RSP_1),
 164         INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x100b),
 165         EVENT_EXTRA_END
 166 };
 167
 168 static struct event_constraint intel_v1_event_constraints[] __read_mostly =
 169 {
 170         EVENT_CONSTRAINT_END
 171 };
 172
 173 static struct event_constraint intel_gen_event_constraints[] __read_mostly =
 174 {
 175         FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
 176         FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
 177         FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
 178         EVENT_CONSTRAINT_END
 179 };
 180
 181 static struct event_constraint intel_slm_event_constraints[] __read_mostly =
 182 {
 183         FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
 184         FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
 185         FIXED_EVENT_CONSTRAINT(0x0300, 2), /* pseudo CPU_CLK_UNHALTED.REF */
 186         EVENT_CONSTRAINT_END
 187 };
 188
 189 static struct event_constraint intel_skl_event_constraints[] = {
 190         FIXED_EVENT_CONSTRAINT(0x00c0, 0),      /* INST_RETIRED.ANY */
 191         FIXED_EVENT_CONSTRAINT(0x003c, 1),      /* CPU_CLK_UNHALTED.CORE */
 192         FIXED_EVENT_CONSTRAINT(0x0300, 2),      /* CPU_CLK_UNHALTED.REF */
 193         INTEL_UEVENT_CONSTRAINT(0x1c0, 0x2),    /* INST_RETIRED.PREC_DIST */
 194
 195         /*
 196          * when HT is off, these can only run on the bottom 4 counters
 197          */
 198         INTEL_EVENT_CONSTRAINT(0xd0, 0xf),      /* MEM_INST_RETIRED.* */
 199         INTEL_EVENT_CONSTRAINT(0xd1, 0xf),      /* MEM_LOAD_RETIRED.* */
 200         INTEL_EVENT_CONSTRAINT(0xd2, 0xf),      /* MEM_LOAD_L3_HIT_RETIRED.* */
 201         INTEL_EVENT_CONSTRAINT(0xcd, 0xf),      /* MEM_TRANS_RETIRED.* */
 202         INTEL_EVENT_CONSTRAINT(0xc6, 0xf),      /* FRONTEND_RETIRED.* */
 203
 204         EVENT_CONSTRAINT_END
 205 };
 206
 207 static struct extra_reg intel_knl_extra_regs[] __read_mostly = {
 208         INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x799ffbb6e7ull, RSP_0),
 209         INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0x399ffbffe7ull, RSP_1),
 210         EVENT_EXTRA_END
 211 };
 212
 213 static struct extra_reg intel_snb_extra_regs[] __read_mostly = {
 214         /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
 215         INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3f807f8fffull, RSP_0),
 216         INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3f807f8fffull, RSP_1),
 217         INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd),
 218         EVENT_EXTRA_END
 219 };
 220
 221 static struct extra_reg intel_snbep_extra_regs[] __read_mostly = {
 222         /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
 223         INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffff8fffull, RSP_0),
 224         INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffff8fffull, RSP_1),
 225         INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd),
 226         EVENT_EXTRA_END
 227 };
 228
 229 static struct extra_reg intel_skl_extra_regs[] __read_mostly = {
 230         INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffff8fffull, RSP_0),
 231         INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffff8fffull, RSP_1),
 232         INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd),
 233         /*
 234          * Note the low 8 bits eventsel code is not a continuous field, containing
 235          * some #GPing bits. These are masked out.
 236          */
 237         INTEL_UEVENT_EXTRA_REG(0x01c6, MSR_PEBS_FRONTEND, 0x7fff17, FE),
 238         EVENT_EXTRA_END
 239 };
 240
 241 EVENT_ATTR_STR(mem-loads,       mem_ld_nhm,     "event=0x0b,umask=0x10,ldlat=3");
 242 EVENT_ATTR_STR(mem-loads,       mem_ld_snb,     "event=0xcd,umask=0x1,ldlat=3");
 243 EVENT_ATTR_STR(mem-stores,      mem_st_snb,     "event=0xcd,umask=0x2");
 244
 245 static struct attribute *nhm_events_attrs[] = {
 246         EVENT_PTR(mem_ld_nhm),
 247         NULL,
 248 };
 249
 250 /*
 251  * topdown events for Intel Core CPUs.
 252  *
 253  * The events are all in slots, which is a free slot in a 4 wide
 254  * pipeline. Some events are already reported in slots, for cycle
 255  * events we multiply by the pipeline width (4).
 256  *
 257  * With Hyper Threading on, topdown metrics are either summed or averaged
 258  * between the threads of a core: (count_t0 + count_t1).
 259  *
 260  * For the average case the metric is always scaled to pipeline width,
 261  * so we use factor 2 ((count_t0 + count_t1) / 2 * 4)
 262  */
 263
 264 EVENT_ATTR_STR_HT(topdown-total-slots, td_total_slots,
 265         "event=0x3c,umask=0x0",                 /* cpu_clk_unhalted.thread */
 266         "event=0x3c,umask=0x0,any=1");          /* cpu_clk_unhalted.thread_any */
 267 EVENT_ATTR_STR_HT(topdown-total-slots.scale, td_total_slots_scale, "4", "2");
 268 EVENT_ATTR_STR(topdown-slots-issued, td_slots_issued,
 269         "event=0xe,umask=0x1");                 /* uops_issued.any */
 270 EVENT_ATTR_STR(topdown-slots-retired, td_slots_retired,
 271         "event=0xc2,umask=0x2");                /* uops_retired.retire_slots */
 272 EVENT_ATTR_STR(topdown-fetch-bubbles, td_fetch_bubbles,
 273         "event=0x9c,umask=0x1");                /* idq_uops_not_delivered_core */
 274 EVENT_ATTR_STR_HT(topdown-recovery-bubbles, td_recovery_bubbles,
 275         "event=0xd,umask=0x3,cmask=1",          /* int_misc.recovery_cycles */
 276         "event=0xd,umask=0x3,cmask=1,any=1");   /* int_misc.recovery_cycles_any */
 277 EVENT_ATTR_STR_HT(topdown-recovery-bubbles.scale, td_recovery_bubbles_scale,
 278         "4", "2");
 279
 280 static struct attribute *snb_events_attrs[] = {
 281         EVENT_PTR(mem_ld_snb),
 282         EVENT_PTR(mem_st_snb),
 283         EVENT_PTR(td_slots_issued),
 284         EVENT_PTR(td_slots_retired),
 285         EVENT_PTR(td_fetch_bubbles),
 286         EVENT_PTR(td_total_slots),
 287         EVENT_PTR(td_total_slots_scale),
 288         EVENT_PTR(td_recovery_bubbles),
 289         EVENT_PTR(td_recovery_bubbles_scale),
 290         NULL,
 291 };
 292
 293 static struct event_constraint intel_hsw_event_constraints[] = {
 294         FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
 295         FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
 296         FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
 297         INTEL_UEVENT_CONSTRAINT(0x148, 0x4),    /* L1D_PEND_MISS.PENDING */
 298         INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */
 299         INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.LOAD_LATENCY */
 300         /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */
 301         INTEL_UEVENT_CONSTRAINT(0x08a3, 0x4),
 302         /* CYCLE_ACTIVITY.STALLS_L1D_PENDING */
 303         INTEL_UEVENT_CONSTRAINT(0x0ca3, 0x4),
 304         /* CYCLE_ACTIVITY.CYCLES_NO_EXECUTE */
 305         INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf),
 306
 307         /*
 308          * When HT is off these events can only run on the bottom 4 counters
 309          * When HT is on, they are impacted by the HT bug and require EXCL access
 310          */
 311         INTEL_EXCLEVT_CONSTRAINT(0xd0, 0xf), /* MEM_UOPS_RETIRED.* */
 312         INTEL_EXCLEVT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */
 313         INTEL_EXCLEVT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */
 314         INTEL_EXCLEVT_CONSTRAINT(0xd3, 0xf), /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */
 315
 316         EVENT_CONSTRAINT_END
 317 };
 318
 319 static struct event_constraint intel_bdw_event_constraints[] = {
 320         FIXED_EVENT_CONSTRAINT(0x00c0, 0),      /* INST_RETIRED.ANY */
 321         FIXED_EVENT_CONSTRAINT(0x003c, 1),      /* CPU_CLK_UNHALTED.CORE */
 322         FIXED_EVENT_CONSTRAINT(0x0300, 2),      /* CPU_CLK_UNHALTED.REF */
 323         INTEL_UEVENT_CONSTRAINT(0x148, 0x4),    /* L1D_PEND_MISS.PENDING */
 324         INTEL_UBIT_EVENT_CONSTRAINT(0x8a3, 0x4),        /* CYCLE_ACTIVITY.CYCLES_L1D_MISS */
 325         /*
 326          * when HT is off, these can only run on the bottom 4 counters
 327          */
 328         INTEL_EVENT_CONSTRAINT(0xd0, 0xf),      /* MEM_INST_RETIRED.* */
 329         INTEL_EVENT_CONSTRAINT(0xd1, 0xf),      /* MEM_LOAD_RETIRED.* */
 330         INTEL_EVENT_CONSTRAINT(0xd2, 0xf),      /* MEM_LOAD_L3_HIT_RETIRED.* */
 331         INTEL_EVENT_CONSTRAINT(0xcd, 0xf),      /* MEM_TRANS_RETIRED.* */
 332         EVENT_CONSTRAINT_END
 333 };
 334
 335 static u64 intel_pmu_event_map(int hw_event)
 336 {
 337         return intel_perfmon_event_map[hw_event];
 338 }
 339
 340 /*
 341  * Notes on the events:
 342  * - data reads do not include code reads (comparable to earlier tables)
 343  * - data counts include speculative execution (except L1 write, dtlb, bpu)
 344  * - remote node access includes remote memory, remote cache, remote mmio.
 345  * - prefetches are not included in the counts.
 346  * - icache miss does not include decoded icache
 347  */
 348
 349 #define SKL_DEMAND_DATA_RD              BIT_ULL(0)
 350 #define SKL_DEMAND_RFO                  BIT_ULL(1)
 351 #define SKL_ANY_RESPONSE                BIT_ULL(16)
 352 #define SKL_SUPPLIER_NONE               BIT_ULL(17)
 353 #define SKL_L3_MISS_LOCAL_DRAM          BIT_ULL(26)
 354 #define SKL_L3_MISS_REMOTE_HOP0_DRAM    BIT_ULL(27)
 355 #define SKL_L3_MISS_REMOTE_HOP1_DRAM    BIT_ULL(28)
 356 #define SKL_L3_MISS_REMOTE_HOP2P_DRAM   BIT_ULL(29)
 357 #define SKL_L3_MISS                     (SKL_L3_MISS_LOCAL_DRAM| \
 358                                          SKL_L3_MISS_REMOTE_HOP0_DRAM| \
 359                                          SKL_L3_MISS_REMOTE_HOP1_DRAM| \
 360                                          SKL_L3_MISS_REMOTE_HOP2P_DRAM)
 361 #define SKL_SPL_HIT                     BIT_ULL(30)
 362 #define SKL_SNOOP_NONE                  BIT_ULL(31)
 363 #define SKL_SNOOP_NOT_NEEDED            BIT_ULL(32)
 364 #define SKL_SNOOP_MISS                  BIT_ULL(33)
 365 #define SKL_SNOOP_HIT_NO_FWD            BIT_ULL(34)
 366 #define SKL_SNOOP_HIT_WITH_FWD          BIT_ULL(35)
 367 #define SKL_SNOOP_HITM                  BIT_ULL(36)
 368 #define SKL_SNOOP_NON_DRAM              BIT_ULL(37)
 369 #define SKL_ANY_SNOOP                   (SKL_SPL_HIT|SKL_SNOOP_NONE| \
 370                                          SKL_SNOOP_NOT_NEEDED|SKL_SNOOP_MISS| \
 371                                          SKL_SNOOP_HIT_NO_FWD|SKL_SNOOP_HIT_WITH_FWD| \
 372                                          SKL_SNOOP_HITM|SKL_SNOOP_NON_DRAM)
 373 #define SKL_DEMAND_READ                 SKL_DEMAND_DATA_RD
 374 #define SKL_SNOOP_DRAM                  (SKL_SNOOP_NONE| \
 375                                          SKL_SNOOP_NOT_NEEDED|SKL_SNOOP_MISS| \
 376                                          SKL_SNOOP_HIT_NO_FWD|SKL_SNOOP_HIT_WITH_FWD| \
 377                                          SKL_SNOOP_HITM|SKL_SPL_HIT)
 378 #define SKL_DEMAND_WRITE                SKL_DEMAND_RFO
 379 #define SKL_LLC_ACCESS                  SKL_ANY_RESPONSE
 380 #define SKL_L3_MISS_REMOTE              (SKL_L3_MISS_REMOTE_HOP0_DRAM| \
 381                                          SKL_L3_MISS_REMOTE_HOP1_DRAM| \
 382                                          SKL_L3_MISS_REMOTE_HOP2P_DRAM)
 383
 384 static __initconst const u64 skl_hw_cache_event_ids
 385                                 [PERF_COUNT_HW_CACHE_MAX]
 386                                 [PERF_COUNT_HW_CACHE_OP_MAX]
 387                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
 388 {
 389  [ C(L1D ) ] = {
 390         [ C(OP_READ) ] = {
 391                 [ C(RESULT_ACCESS) ] = 0x81d0,  /* MEM_INST_RETIRED.ALL_LOADS */
 392                 [ C(RESULT_MISS)   ] = 0x151,   /* L1D.REPLACEMENT */
 393         },
 394         [ C(OP_WRITE) ] = {
 395                 [ C(RESULT_ACCESS) ] = 0x82d0,  /* MEM_INST_RETIRED.ALL_STORES */
 396                 [ C(RESULT_MISS)   ] = 0x0,
 397         },
 398         [ C(OP_PREFETCH) ] = {
 399                 [ C(RESULT_ACCESS) ] = 0x0,
 400                 [ C(RESULT_MISS)   ] = 0x0,
 401         },
 402  },
 403  [ C(L1I ) ] = {
 404         [ C(OP_READ) ] = {
 405                 [ C(RESULT_ACCESS) ] = 0x0,
 406                 [ C(RESULT_MISS)   ] = 0x283,   /* ICACHE_64B.MISS */
 407         },
 408         [ C(OP_WRITE) ] = {
 409                 [ C(RESULT_ACCESS) ] = -1,
 410                 [ C(RESULT_MISS)   ] = -1,
 411         },
 412         [ C(OP_PREFETCH) ] = {
 413                 [ C(RESULT_ACCESS) ] = 0x0,
 414                 [ C(RESULT_MISS)   ] = 0x0,
 415         },
 416  },
 417  [ C(LL  ) ] = {
 418         [ C(OP_READ) ] = {
 419                 [ C(RESULT_ACCESS) ] = 0x1b7,   /* OFFCORE_RESPONSE */
 420                 [ C(RESULT_MISS)   ] = 0x1b7,   /* OFFCORE_RESPONSE */
 421         },
 422         [ C(OP_WRITE) ] = {
 423                 [ C(RESULT_ACCESS) ] = 0x1b7,   /* OFFCORE_RESPONSE */
 424                 [ C(RESULT_MISS)   ] = 0x1b7,   /* OFFCORE_RESPONSE */
 425         },
 426         [ C(OP_PREFETCH) ] = {
 427                 [ C(RESULT_ACCESS) ] = 0x0,
 428                 [ C(RESULT_MISS)   ] = 0x0,
 429         },
 430  },
 431  [ C(DTLB) ] = {
 432         [ C(OP_READ) ] = {
 433                 [ C(RESULT_ACCESS) ] = 0x81d0,  /* MEM_INST_RETIRED.ALL_LOADS */
 434                 [ C(RESULT_MISS)   ] = 0xe08,   /* DTLB_LOAD_MISSES.WALK_COMPLETED */
 435         },
 436         [ C(OP_WRITE) ] = {
 437                 [ C(RESULT_ACCESS) ] = 0x82d0,  /* MEM_INST_RETIRED.ALL_STORES */
 438                 [ C(RESULT_MISS)   ] = 0xe49,   /* DTLB_STORE_MISSES.WALK_COMPLETED */
 439         },
 440         [ C(OP_PREFETCH) ] = {
 441                 [ C(RESULT_ACCESS) ] = 0x0,
 442                 [ C(RESULT_MISS)   ] = 0x0,
 443         },
 444  },
 445  [ C(ITLB) ] = {
 446         [ C(OP_READ) ] = {
 447                 [ C(RESULT_ACCESS) ] = 0x2085,  /* ITLB_MISSES.STLB_HIT */
 448                 [ C(RESULT_MISS)   ] = 0xe85,   /* ITLB_MISSES.WALK_COMPLETED */
 449         },
 450         [ C(OP_WRITE) ] = {
 451                 [ C(RESULT_ACCESS) ] = -1,
 452                 [ C(RESULT_MISS)   ] = -1,
 453         },
 454         [ C(OP_PREFETCH) ] = {
 455                 [ C(RESULT_ACCESS) ] = -1,
 456                 [ C(RESULT_MISS)   ] = -1,
 457         },
 458  },
 459  [ C(BPU ) ] = {
 460         [ C(OP_READ) ] = {
 461                 [ C(RESULT_ACCESS) ] = 0xc4,    /* BR_INST_RETIRED.ALL_BRANCHES */
 462                 [ C(RESULT_MISS)   ] = 0xc5,    /* BR_MISP_RETIRED.ALL_BRANCHES */
 463         },
 464         [ C(OP_WRITE) ] = {
 465                 [ C(RESULT_ACCESS) ] = -1,
 466                 [ C(RESULT_MISS)   ] = -1,
 467         },
 468         [ C(OP_PREFETCH) ] = {
 469                 [ C(RESULT_ACCESS) ] = -1,
 470                 [ C(RESULT_MISS)   ] = -1,
 471         },
 472  },
 473  [ C(NODE) ] = {
 474         [ C(OP_READ) ] = {
 475                 [ C(RESULT_ACCESS) ] = 0x1b7,   /* OFFCORE_RESPONSE */
 476                 [ C(RESULT_MISS)   ] = 0x1b7,   /* OFFCORE_RESPONSE */
 477         },
 478         [ C(OP_WRITE) ] = {
 479                 [ C(RESULT_ACCESS) ] = 0x1b7,   /* OFFCORE_RESPONSE */
 480                 [ C(RESULT_MISS)   ] = 0x1b7,   /* OFFCORE_RESPONSE */
 481         },
 482         [ C(OP_PREFETCH) ] = {
 483                 [ C(RESULT_ACCESS) ] = 0x0,
 484                 [ C(RESULT_MISS)   ] = 0x0,
 485         },
 486  },
 487 };
 488
 489 static __initconst const u64 skl_hw_cache_extra_regs
 490                                 [PERF_COUNT_HW_CACHE_MAX]
 491                                 [PERF_COUNT_HW_CACHE_OP_MAX]
 492                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
 493 {
 494  [ C(LL  ) ] = {
 495         [ C(OP_READ) ] = {
 496                 [ C(RESULT_ACCESS) ] = SKL_DEMAND_READ|
 497                                        SKL_LLC_ACCESS|SKL_ANY_SNOOP,
 498                 [ C(RESULT_MISS)   ] = SKL_DEMAND_READ|
 499                                        SKL_L3_MISS|SKL_ANY_SNOOP|
 500                                        SKL_SUPPLIER_NONE,
 501         },
 502         [ C(OP_WRITE) ] = {
 503                 [ C(RESULT_ACCESS) ] = SKL_DEMAND_WRITE|
 504                                        SKL_LLC_ACCESS|SKL_ANY_SNOOP,
 505                 [ C(RESULT_MISS)   ] = SKL_DEMAND_WRITE|
 506                                        SKL_L3_MISS|SKL_ANY_SNOOP|
 507                                        SKL_SUPPLIER_NONE,
 508         },
 509         [ C(OP_PREFETCH) ] = {
 510                 [ C(RESULT_ACCESS) ] = 0x0,
 511                 [ C(RESULT_MISS)   ] = 0x0,
 512         },
 513  },
 514  [ C(NODE) ] = {
 515         [ C(OP_READ) ] = {
 516                 [ C(RESULT_ACCESS) ] = SKL_DEMAND_READ|
 517                                        SKL_L3_MISS_LOCAL_DRAM|SKL_SNOOP_DRAM,
 518                 [ C(RESULT_MISS)   ] = SKL_DEMAND_READ|
 519                                        SKL_L3_MISS_REMOTE|SKL_SNOOP_DRAM,
 520         },
 521         [ C(OP_WRITE) ] = {
 522                 [ C(RESULT_ACCESS) ] = SKL_DEMAND_WRITE|
 523                                        SKL_L3_MISS_LOCAL_DRAM|SKL_SNOOP_DRAM,
 524                 [ C(RESULT_MISS)   ] = SKL_DEMAND_WRITE|
 525                                        SKL_L3_MISS_REMOTE|SKL_SNOOP_DRAM,
 526         },
 527         [ C(OP_PREFETCH) ] = {
 528                 [ C(RESULT_ACCESS) ] = 0x0,
 529                 [ C(RESULT_MISS)   ] = 0x0,
 530         },
 531  },
 532 };
 533
 534 #define SNB_DMND_DATA_RD        (1ULL << 0)
 535 #define SNB_DMND_RFO            (1ULL << 1)
 536 #define SNB_DMND_IFETCH         (1ULL << 2)
 537 #define SNB_DMND_WB             (1ULL << 3)
 538 #define SNB_PF_DATA_RD          (1ULL << 4)
 539 #define SNB_PF_RFO              (1ULL << 5)
 540 #define SNB_PF_IFETCH           (1ULL << 6)
 541 #define SNB_LLC_DATA_RD         (1ULL << 7)
 542 #define SNB_LLC_RFO             (1ULL << 8)
 543 #define SNB_LLC_IFETCH          (1ULL << 9)
 544 #define SNB_BUS_LOCKS           (1ULL << 10)
 545 #define SNB_STRM_ST             (1ULL << 11)
 546 #define SNB_OTHER               (1ULL << 15)
 547 #define SNB_RESP_ANY            (1ULL << 16)
 548 #define SNB_NO_SUPP             (1ULL << 17)
 549 #define SNB_LLC_HITM            (1ULL << 18)
 550 #define SNB_LLC_HITE            (1ULL << 19)
 551 #define SNB_LLC_HITS            (1ULL << 20)
 552 #define SNB_LLC_HITF            (1ULL << 21)
 553 #define SNB_LOCAL               (1ULL << 22)
 554 #define SNB_REMOTE              (0xffULL << 23)
 555 #define SNB_SNP_NONE            (1ULL << 31)
 556 #define SNB_SNP_NOT_NEEDED      (1ULL << 32)
 557 #define SNB_SNP_MISS            (1ULL << 33)
 558 #define SNB_NO_FWD              (1ULL << 34)
 559 #define SNB_SNP_FWD             (1ULL << 35)
 560 #define SNB_HITM                (1ULL << 36)
 561 #define SNB_NON_DRAM            (1ULL << 37)
 562
 563 #define SNB_DMND_READ           (SNB_DMND_DATA_RD|SNB_LLC_DATA_RD)
 564 #define SNB_DMND_WRITE          (SNB_DMND_RFO|SNB_LLC_RFO)
 565 #define SNB_DMND_PREFETCH       (SNB_PF_DATA_RD|SNB_PF_RFO)
 566
 567 #define SNB_SNP_ANY             (SNB_SNP_NONE|SNB_SNP_NOT_NEEDED| \
 568                                  SNB_SNP_MISS|SNB_NO_FWD|SNB_SNP_FWD| \
 569                                  SNB_HITM)
 570
 571 #define SNB_DRAM_ANY            (SNB_LOCAL|SNB_REMOTE|SNB_SNP_ANY)
 572 #define SNB_DRAM_REMOTE         (SNB_REMOTE|SNB_SNP_ANY)
 573
 574 #define SNB_L3_ACCESS           SNB_RESP_ANY
 575 #define SNB_L3_MISS             (SNB_DRAM_ANY|SNB_NON_DRAM)
 576
 577 static __initconst const u64 snb_hw_cache_extra_regs
 578                                 [PERF_COUNT_HW_CACHE_MAX]
 579                                 [PERF_COUNT_HW_CACHE_OP_MAX]
 580                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
 581 {
 582  [ C(LL  ) ] = {
 583         [ C(OP_READ) ] = {
 584                 [ C(RESULT_ACCESS) ] = SNB_DMND_READ|SNB_L3_ACCESS,
 585                 [ C(RESULT_MISS)   ] = SNB_DMND_READ|SNB_L3_MISS,
 586         },
 587         [ C(OP_WRITE) ] = {
 588                 [ C(RESULT_ACCESS) ] = SNB_DMND_WRITE|SNB_L3_ACCESS,
 589                 [ C(RESULT_MISS)   ] = SNB_DMND_WRITE|SNB_L3_MISS,
 590         },
 591         [ C(OP_PREFETCH) ] = {
 592                 [ C(RESULT_ACCESS) ] = SNB_DMND_PREFETCH|SNB_L3_ACCESS,
 593                 [ C(RESULT_MISS)   ] = SNB_DMND_PREFETCH|SNB_L3_MISS,
 594         },
 595  },
 596  [ C(NODE) ] = {
 597         [ C(OP_READ) ] = {
 598                 [ C(RESULT_ACCESS) ] = SNB_DMND_READ|SNB_DRAM_ANY,
 599                 [ C(RESULT_MISS)   ] = SNB_DMND_READ|SNB_DRAM_REMOTE,
 600         },
 601         [ C(OP_WRITE) ] = {
 602                 [ C(RESULT_ACCESS) ] = SNB_DMND_WRITE|SNB_DRAM_ANY,
 603                 [ C(RESULT_MISS)   ] = SNB_DMND_WRITE|SNB_DRAM_REMOTE,
 604         },
 605         [ C(OP_PREFETCH) ] = {
 606                 [ C(RESULT_ACCESS) ] = SNB_DMND_PREFETCH|SNB_DRAM_ANY,
 607                 [ C(RESULT_MISS)   ] = SNB_DMND_PREFETCH|SNB_DRAM_REMOTE,
 608         },
 609  },
 610 };
 611
 612 static __initconst const u64 snb_hw_cache_event_ids
 613                                 [PERF_COUNT_HW_CACHE_MAX]
 614                                 [PERF_COUNT_HW_CACHE_OP_MAX]
 615                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
 616 {
 617  [ C(L1D) ] = {
 618         [ C(OP_READ) ] = {
 619                 [ C(RESULT_ACCESS) ] = 0xf1d0, /* MEM_UOP_RETIRED.LOADS        */
 620                 [ C(RESULT_MISS)   ] = 0x0151, /* L1D.REPLACEMENT              */
 621         },
 622         [ C(OP_WRITE) ] = {
 623                 [ C(RESULT_ACCESS) ] = 0xf2d0, /* MEM_UOP_RETIRED.STORES       */
 624                 [ C(RESULT_MISS)   ] = 0x0851, /* L1D.ALL_M_REPLACEMENT        */
 625         },
 626         [ C(OP_PREFETCH) ] = {
 627                 [ C(RESULT_ACCESS) ] = 0x0,
 628                 [ C(RESULT_MISS)   ] = 0x024e, /* HW_PRE_REQ.DL1_MISS          */
 629         },
 630  },
 631  [ C(L1I ) ] = {
 632         [ C(OP_READ) ] = {
 633                 [ C(RESULT_ACCESS) ] = 0x0,
 634                 [ C(RESULT_MISS)   ] = 0x0280, /* ICACHE.MISSES */
 635         },
 636         [ C(OP_WRITE) ] = {
 637                 [ C(RESULT_ACCESS) ] = -1,
 638                 [ C(RESULT_MISS)   ] = -1,
 639         },
 640         [ C(OP_PREFETCH) ] = {
 641                 [ C(RESULT_ACCESS) ] = 0x0,
 642                 [ C(RESULT_MISS)   ] = 0x0,
 643         },
 644  },
 645  [ C(LL  ) ] = {
 646         [ C(OP_READ) ] = {
 647                 /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */
 648                 [ C(RESULT_ACCESS) ] = 0x01b7,
 649                 /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */
 650                 [ C(RESULT_MISS)   ] = 0x01b7,
 651         },
 652         [ C(OP_WRITE) ] = {
 653                 /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */
 654                 [ C(RESULT_ACCESS) ] = 0x01b7,
 655                 /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */
 656                 [ C(RESULT_MISS)   ] = 0x01b7,
 657         },
 658         [ C(OP_PREFETCH) ] = {
 659                 /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */
 660                 [ C(RESULT_ACCESS) ] = 0x01b7,
 661                 /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */
 662                 [ C(RESULT_MISS)   ] = 0x01b7,
 663         },
 664  },
 665  [ C(DTLB) ] = {
 666         [ C(OP_READ) ] = {
 667                 [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOP_RETIRED.ALL_LOADS */
 668                 [ C(RESULT_MISS)   ] = 0x0108, /* DTLB_LOAD_MISSES.CAUSES_A_WALK */
 669         },
 670         [ C(OP_WRITE) ] = {
 671                 [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_UOP_RETIRED.ALL_STORES */
 672                 [ C(RESULT_MISS)   ] = 0x0149, /* DTLB_STORE_MISSES.MISS_CAUSES_A_WALK */
 673         },
 674         [ C(OP_PREFETCH) ] = {
 675                 [ C(RESULT_ACCESS) ] = 0x0,
 676                 [ C(RESULT_MISS)   ] = 0x0,
 677         },
 678  },
 679  [ C(ITLB) ] = {
 680         [ C(OP_READ) ] = {
 681                 [ C(RESULT_ACCESS) ] = 0x1085, /* ITLB_MISSES.STLB_HIT         */
 682                 [ C(RESULT_MISS)   ] = 0x0185, /* ITLB_MISSES.CAUSES_A_WALK    */
 683         },
 684         [ C(OP_WRITE) ] = {
 685                 [ C(RESULT_ACCESS) ] = -1,
 686                 [ C(RESULT_MISS)   ] = -1,
 687         },
 688         [ C(OP_PREFETCH) ] = {
 689                 [ C(RESULT_ACCESS) ] = -1,
 690                 [ C(RESULT_MISS)   ] = -1,
 691         },
 692  },
 693  [ C(BPU ) ] = {
 694         [ C(OP_READ) ] = {
 695                 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */
 696                 [ C(RESULT_MISS)   ] = 0x00c5, /* BR_MISP_RETIRED.ALL_BRANCHES */
 697         },
 698         [ C(OP_WRITE) ] = {
 699                 [ C(RESULT_ACCESS) ] = -1,
 700                 [ C(RESULT_MISS)   ] = -1,
 701         },
 702         [ C(OP_PREFETCH) ] = {
 703                 [ C(RESULT_ACCESS) ] = -1,
 704                 [ C(RESULT_MISS)   ] = -1,
 705         },
 706  },
 707  [ C(NODE) ] = {
 708         [ C(OP_READ) ] = {
 709                 [ C(RESULT_ACCESS) ] = 0x01b7,
 710                 [ C(RESULT_MISS)   ] = 0x01b7,
 711         },
 712         [ C(OP_WRITE) ] = {
 713                 [ C(RESULT_ACCESS) ] = 0x01b7,
 714                 [ C(RESULT_MISS)   ] = 0x01b7,
 715         },
 716         [ C(OP_PREFETCH) ] = {
 717                 [ C(RESULT_ACCESS) ] = 0x01b7,
 718                 [ C(RESULT_MISS)   ] = 0x01b7,
 719         },
 720  },
 721
 722 };
 723
 724 /*
 725  * Notes on the events:
 726  * - data reads do not include code reads (comparable to earlier tables)
 727  * - data counts include speculative execution (except L1 write, dtlb, bpu)
 728  * - remote node access includes remote memory, remote cache, remote mmio.
 729  * - prefetches are not included in the counts because they are not
 730  *   reliably counted.
 731  */
 732
 733 #define HSW_DEMAND_DATA_RD              BIT_ULL(0)
 734 #define HSW_DEMAND_RFO                  BIT_ULL(1)
 735 #define HSW_ANY_RESPONSE                BIT_ULL(16)
 736 #define HSW_SUPPLIER_NONE               BIT_ULL(17)
 737 #define HSW_L3_MISS_LOCAL_DRAM          BIT_ULL(22)
 738 #define HSW_L3_MISS_REMOTE_HOP0         BIT_ULL(27)
 739 #define HSW_L3_MISS_REMOTE_HOP1         BIT_ULL(28)
 740 #define HSW_L3_MISS_REMOTE_HOP2P        BIT_ULL(29)
 741 #define HSW_L3_MISS                     (HSW_L3_MISS_LOCAL_DRAM| \
 742                                          HSW_L3_MISS_REMOTE_HOP0|HSW_L3_MISS_REMOTE_HOP1| \
 743                                          HSW_L3_MISS_REMOTE_HOP2P)
 744 #define HSW_SNOOP_NONE                  BIT_ULL(31)
 745 #define HSW_SNOOP_NOT_NEEDED            BIT_ULL(32)
 746 #define HSW_SNOOP_MISS                  BIT_ULL(33)
 747 #define HSW_SNOOP_HIT_NO_FWD            BIT_ULL(34)
 748 #define HSW_SNOOP_HIT_WITH_FWD          BIT_ULL(35)
 749 #define HSW_SNOOP_HITM                  BIT_ULL(36)
 750 #define HSW_SNOOP_NON_DRAM              BIT_ULL(37)
 751 #define HSW_ANY_SNOOP                   (HSW_SNOOP_NONE| \
 752                                          HSW_SNOOP_NOT_NEEDED|HSW_SNOOP_MISS| \
 753                                          HSW_SNOOP_HIT_NO_FWD|HSW_SNOOP_HIT_WITH_FWD| \
 754                                          HSW_SNOOP_HITM|HSW_SNOOP_NON_DRAM)
 755 #define HSW_SNOOP_DRAM                  (HSW_ANY_SNOOP & ~HSW_SNOOP_NON_DRAM)
 756 #define HSW_DEMAND_READ                 HSW_DEMAND_DATA_RD
 757 #define HSW_DEMAND_WRITE                HSW_DEMAND_RFO
 758 #define HSW_L3_MISS_REMOTE              (HSW_L3_MISS_REMOTE_HOP0|\
 759                                          HSW_L3_MISS_REMOTE_HOP1|HSW_L3_MISS_REMOTE_HOP2P)
 760 #define HSW_LLC_ACCESS                  HSW_ANY_RESPONSE
 761
 762 #define BDW_L3_MISS_LOCAL               BIT(26)
 763 #define BDW_L3_MISS                     (BDW_L3_MISS_LOCAL| \
 764                                          HSW_L3_MISS_REMOTE_HOP0|HSW_L3_MISS_REMOTE_HOP1| \
 765                                          HSW_L3_MISS_REMOTE_HOP2P)
 766
 767
 768 static __initconst const u64 hsw_hw_cache_event_ids
 769                                 [PERF_COUNT_HW_CACHE_MAX]
 770                                 [PERF_COUNT_HW_CACHE_OP_MAX]
 771                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
 772 {
 773  [ C(L1D ) ] = {
 774         [ C(OP_READ) ] = {
 775                 [ C(RESULT_ACCESS) ] = 0x81d0,  /* MEM_UOPS_RETIRED.ALL_LOADS */
 776                 [ C(RESULT_MISS)   ] = 0x151,   /* L1D.REPLACEMENT */
 777         },
 778         [ C(OP_WRITE) ] = {
 779                 [ C(RESULT_ACCESS) ] = 0x82d0,  /* MEM_UOPS_RETIRED.ALL_STORES */
 780                 [ C(RESULT_MISS)   ] = 0x0,
 781         },
 782         [ C(OP_PREFETCH) ] = {
 783                 [ C(RESULT_ACCESS) ] = 0x0,
 784                 [ C(RESULT_MISS)   ] = 0x0,
 785         },
 786  },
 787  [ C(L1I ) ] = {
 788         [ C(OP_READ) ] = {
 789                 [ C(RESULT_ACCESS) ] = 0x0,
 790                 [ C(RESULT_MISS)   ] = 0x280,   /* ICACHE.MISSES */
 791         },
 792         [ C(OP_WRITE) ] = {
 793                 [ C(RESULT_ACCESS) ] = -1,
 794                 [ C(RESULT_MISS)   ] = -1,
 795         },
 796         [ C(OP_PREFETCH) ] = {
 797                 [ C(RESULT_ACCESS) ] = 0x0,
 798                 [ C(RESULT_MISS)   ] = 0x0,
 799         },
 800  },
 801  [ C(LL  ) ] = {
 802         [ C(OP_READ) ] = {
 803                 [ C(RESULT_ACCESS) ] = 0x1b7,   /* OFFCORE_RESPONSE */
 804                 [ C(RESULT_MISS)   ] = 0x1b7,   /* OFFCORE_RESPONSE */
 805         },
 806         [ C(OP_WRITE) ] = {
 807                 [ C(RESULT_ACCESS) ] = 0x1b7,   /* OFFCORE_RESPONSE */
 808                 [ C(RESULT_MISS)   ] = 0x1b7,   /* OFFCORE_RESPONSE */
 809         },
 810         [ C(OP_PREFETCH) ] = {
 811                 [ C(RESULT_ACCESS) ] = 0x0,
 812                 [ C(RESULT_MISS)   ] = 0x0,
 813         },
 814  },
 815  [ C(DTLB) ] = {
 816         [ C(OP_READ) ] = {
 817                 [ C(RESULT_ACCESS) ] = 0x81d0,  /* MEM_UOPS_RETIRED.ALL_LOADS */
 818                 [ C(RESULT_MISS)   ] = 0x108,   /* DTLB_LOAD_MISSES.MISS_CAUSES_A_WALK */
 819         },
 820         [ C(OP_WRITE) ] = {
 821                 [ C(RESULT_ACCESS) ] = 0x82d0,  /* MEM_UOPS_RETIRED.ALL_STORES */
 822                 [ C(RESULT_MISS)   ] = 0x149,   /* DTLB_STORE_MISSES.MISS_CAUSES_A_WALK */
 823         },
 824         [ C(OP_PREFETCH) ] = {
 825                 [ C(RESULT_ACCESS) ] = 0x0,
 826                 [ C(RESULT_MISS)   ] = 0x0,
 827         },
 828  },
 829  [ C(ITLB) ] = {
 830         [ C(OP_READ) ] = {
 831                 [ C(RESULT_ACCESS) ] = 0x6085,  /* ITLB_MISSES.STLB_HIT */
 832                 [ C(RESULT_MISS)   ] = 0x185,   /* ITLB_MISSES.MISS_CAUSES_A_WALK */
 833         },
 834         [ C(OP_WRITE) ] = {
 835                 [ C(RESULT_ACCESS) ] = -1,
 836                 [ C(RESULT_MISS)   ] = -1,
 837         },
 838         [ C(OP_PREFETCH) ] = {
 839                 [ C(RESULT_ACCESS) ] = -1,
 840                 [ C(RESULT_MISS)   ] = -1,
 841         },
 842  },
 843  [ C(BPU ) ] = {
 844         [ C(OP_READ) ] = {
 845                 [ C(RESULT_ACCESS) ] = 0xc4,    /* BR_INST_RETIRED.ALL_BRANCHES */
 846                 [ C(RESULT_MISS)   ] = 0xc5,    /* BR_MISP_RETIRED.ALL_BRANCHES */
 847         },
 848         [ C(OP_WRITE) ] = {
 849                 [ C(RESULT_ACCESS) ] = -1,
 850                 [ C(RESULT_MISS)   ] = -1,
 851         },
 852         [ C(OP_PREFETCH) ] = {
 853                 [ C(RESULT_ACCESS) ] = -1,
 854                 [ C(RESULT_MISS)   ] = -1,
 855         },
 856  },
 857  [ C(NODE) ] = {
 858         [ C(OP_READ) ] = {
 859                 [ C(RESULT_ACCESS) ] = 0x1b7,   /* OFFCORE_RESPONSE */
 860                 [ C(RESULT_MISS)   ] = 0x1b7,   /* OFFCORE_RESPONSE */
 861         },
 862         [ C(OP_WRITE) ] = {
 863                 [ C(RESULT_ACCESS) ] = 0x1b7,   /* OFFCORE_RESPONSE */
 864                 [ C(RESULT_MISS)   ] = 0x1b7,   /* OFFCORE_RESPONSE */
 865         },
 866         [ C(OP_PREFETCH) ] = {
 867                 [ C(RESULT_ACCESS) ] = 0x0,
 868                 [ C(RESULT_MISS)   ] = 0x0,
 869         },
 870  },
 871 };
 872
 873 static __initconst const u64 hsw_hw_cache_extra_regs
 874                                 [PERF_COUNT_HW_CACHE_MAX]
 875                                 [PERF_COUNT_HW_CACHE_OP_MAX]
 876                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
 877 {
 878  [ C(LL  ) ] = {
 879         [ C(OP_READ) ] = {
 880                 [ C(RESULT_ACCESS) ] = HSW_DEMAND_READ|
 881                                        HSW_LLC_ACCESS,
 882                 [ C(RESULT_MISS)   ] = HSW_DEMAND_READ|
 883                                        HSW_L3_MISS|HSW_ANY_SNOOP,
 884         },
 885         [ C(OP_WRITE) ] = {
 886                 [ C(RESULT_ACCESS) ] = HSW_DEMAND_WRITE|
 887                                        HSW_LLC_ACCESS,
 888                 [ C(RESULT_MISS)   ] = HSW_DEMAND_WRITE|
 889                                        HSW_L3_MISS|HSW_ANY_SNOOP,
 890         },
 891         [ C(OP_PREFETCH) ] = {
 892                 [ C(RESULT_ACCESS) ] = 0x0,
 893                 [ C(RESULT_MISS)   ] = 0x0,
 894         },
 895  },
 896  [ C(NODE) ] = {
 897         [ C(OP_READ) ] = {
 898                 [ C(RESULT_ACCESS) ] = HSW_DEMAND_READ|
 899                                        HSW_L3_MISS_LOCAL_DRAM|
 900                                        HSW_SNOOP_DRAM,
 901                 [ C(RESULT_MISS)   ] = HSW_DEMAND_READ|
 902                                        HSW_L3_MISS_REMOTE|
 903                                        HSW_SNOOP_DRAM,
 904         },
 905         [ C(OP_WRITE) ] = {
 906                 [ C(RESULT_ACCESS) ] = HSW_DEMAND_WRITE|
 907                                        HSW_L3_MISS_LOCAL_DRAM|
 908                                        HSW_SNOOP_DRAM,
 909                 [ C(RESULT_MISS)   ] = HSW_DEMAND_WRITE|
 910                                        HSW_L3_MISS_REMOTE|
 911                                        HSW_SNOOP_DRAM,
 912         },
 913         [ C(OP_PREFETCH) ] = {
 914                 [ C(RESULT_ACCESS) ] = 0x0,
 915                 [ C(RESULT_MISS)   ] = 0x0,
 916         },
 917  },
 918 };
 919
 920 static __initconst const u64 westmere_hw_cache_event_ids
 921                                 [PERF_COUNT_HW_CACHE_MAX]
 922                                 [PERF_COUNT_HW_CACHE_OP_MAX]
 923                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
 924 {
 925  [ C(L1D) ] = {
 926         [ C(OP_READ) ] = {
 927                 [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS       */
 928                 [ C(RESULT_MISS)   ] = 0x0151, /* L1D.REPL                     */
 929         },
 930         [ C(OP_WRITE) ] = {
 931                 [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES      */
 932                 [ C(RESULT_MISS)   ] = 0x0251, /* L1D.M_REPL                   */
 933         },
 934         [ C(OP_PREFETCH) ] = {
 935                 [ C(RESULT_ACCESS) ] = 0x014e, /* L1D_PREFETCH.REQUESTS        */
 936                 [ C(RESULT_MISS)   ] = 0x024e, /* L1D_PREFETCH.MISS            */
 937         },
 938  },
 939  [ C(L1I ) ] = {
 940         [ C(OP_READ) ] = {
 941                 [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS                    */
 942                 [ C(RESULT_MISS)   ] = 0x0280, /* L1I.MISSES                   */
 943         },
 944         [ C(OP_WRITE) ] = {
 945                 [ C(RESULT_ACCESS) ] = -1,
 946                 [ C(RESULT_MISS)   ] = -1,
 947         },
 948         [ C(OP_PREFETCH) ] = {
 949                 [ C(RESULT_ACCESS) ] = 0x0,
 950                 [ C(RESULT_MISS)   ] = 0x0,
 951         },
 952  },
 953  [ C(LL  ) ] = {
 954         [ C(OP_READ) ] = {
 955                 /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */
 956                 [ C(RESULT_ACCESS) ] = 0x01b7,
 957                 /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */
 958                 [ C(RESULT_MISS)   ] = 0x01b7,
 959         },
 960         /*
 961          * Use RFO, not WRITEBACK, because a write miss would typically occur
 962          * on RFO.
 963          */
 964         [ C(OP_WRITE) ] = {
 965                 /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */
 966                 [ C(RESULT_ACCESS) ] = 0x01b7,
 967                 /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */
 968                 [ C(RESULT_MISS)   ] = 0x01b7,
 969         },
 970         [ C(OP_PREFETCH) ] = {
 971                 /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */
 972                 [ C(RESULT_ACCESS) ] = 0x01b7,
 973                 /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */
 974                 [ C(RESULT_MISS)   ] = 0x01b7,
 975         },
 976  },
 977  [ C(DTLB) ] = {
 978         [ C(OP_READ) ] = {
 979                 [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS       */
 980                 [ C(RESULT_MISS)   ] = 0x0108, /* DTLB_LOAD_MISSES.ANY         */
 981         },
 982         [ C(OP_WRITE) ] = {
 983                 [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES      */
 984                 [ C(RESULT_MISS)   ] = 0x010c, /* MEM_STORE_RETIRED.DTLB_MISS  */
 985         },
 986         [ C(OP_PREFETCH) ] = {
 987                 [ C(RESULT_ACCESS) ] = 0x0,
 988                 [ C(RESULT_MISS)   ] = 0x0,
 989         },
 990  },
 991  [ C(ITLB) ] = {
 992         [ C(OP_READ) ] = {
 993                 [ C(RESULT_ACCESS) ] = 0x01c0, /* INST_RETIRED.ANY_P           */
 994                 [ C(RESULT_MISS)   ] = 0x0185, /* ITLB_MISSES.ANY              */
 995         },
 996         [ C(OP_WRITE) ] = {
 997                 [ C(RESULT_ACCESS) ] = -1,
 998                 [ C(RESULT_MISS)   ] = -1,
 999         },
1000         [ C(OP_PREFETCH) ] = {
1001                 [ C(RESULT_ACCESS) ] = -1,
1002                 [ C(RESULT_MISS)   ] = -1,
1003         },
1004  },
1005  [ C(BPU ) ] = {
1006         [ C(OP_READ) ] = {
1007                 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */
1008                 [ C(RESULT_MISS)   ] = 0x03e8, /* BPU_CLEARS.ANY               */
1009         },
1010         [ C(OP_WRITE) ] = {
1011                 [ C(RESULT_ACCESS) ] = -1,
1012                 [ C(RESULT_MISS)   ] = -1,
1013         },
1014         [ C(OP_PREFETCH) ] = {
1015                 [ C(RESULT_ACCESS) ] = -1,
1016                 [ C(RESULT_MISS)   ] = -1,
1017         },
1018  },
1019  [ C(NODE) ] = {
1020         [ C(OP_READ) ] = {
1021                 [ C(RESULT_ACCESS) ] = 0x01b7,
1022                 [ C(RESULT_MISS)   ] = 0x01b7,
1023         },
1024         [ C(OP_WRITE) ] = {
1025                 [ C(RESULT_ACCESS) ] = 0x01b7,
1026                 [ C(RESULT_MISS)   ] = 0x01b7,
1027         },
1028         [ C(OP_PREFETCH) ] = {
1029                 [ C(RESULT_ACCESS) ] = 0x01b7,
1030                 [ C(RESULT_MISS)   ] = 0x01b7,
1031         },
1032  },
1033 };
1034
1035 /*
1036  * Nehalem/Westmere MSR_OFFCORE_RESPONSE bits;
1037  * See IA32 SDM Vol 3B 30.6.1.3
1038  */
1039
1040 #define NHM_DMND_DATA_RD        (1 << 0)
1041 #define NHM_DMND_RFO            (1 << 1)
1042 #define NHM_DMND_IFETCH         (1 << 2)
1043 #define NHM_DMND_WB             (1 << 3)
1044 #define NHM_PF_DATA_RD          (1 << 4)
1045 #define NHM_PF_DATA_RFO         (1 << 5)
1046 #define NHM_PF_IFETCH           (1 << 6)
1047 #define NHM_OFFCORE_OTHER       (1 << 7)
1048 #define NHM_UNCORE_HIT          (1 << 8)
1049 #define NHM_OTHER_CORE_HIT_SNP  (1 << 9)
1050 #define NHM_OTHER_CORE_HITM     (1 << 10)
1051                                 /* reserved */
1052 #define NHM_REMOTE_CACHE_FWD    (1 << 12)
1053 #define NHM_REMOTE_DRAM         (1 << 13)
1054 #define NHM_LOCAL_DRAM          (1 << 14)
1055 #define NHM_NON_DRAM            (1 << 15)
1056
1057 #define NHM_LOCAL               (NHM_LOCAL_DRAM|NHM_REMOTE_CACHE_FWD)
1058 #define NHM_REMOTE              (NHM_REMOTE_DRAM)
1059
1060 #define NHM_DMND_READ           (NHM_DMND_DATA_RD)
1061 #define NHM_DMND_WRITE          (NHM_DMND_RFO|NHM_DMND_WB)
1062 #define NHM_DMND_PREFETCH       (NHM_PF_DATA_RD|NHM_PF_DATA_RFO)
1063
1064 #define NHM_L3_HIT      (NHM_UNCORE_HIT|NHM_OTHER_CORE_HIT_SNP|NHM_OTHER_CORE_HITM)
1065 #define NHM_L3_MISS     (NHM_NON_DRAM|NHM_LOCAL_DRAM|NHM_REMOTE_DRAM|NHM_REMOTE_CACHE_FWD)
1066 #define NHM_L3_ACCESS   (NHM_L3_HIT|NHM_L3_MISS)
1067
1068 static __initconst const u64 nehalem_hw_cache_extra_regs
1069                                 [PERF_COUNT_HW_CACHE_MAX]
1070                                 [PERF_COUNT_HW_CACHE_OP_MAX]
1071                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1072 {
1073  [ C(LL  ) ] = {
1074         [ C(OP_READ) ] = {
1075                 [ C(RESULT_ACCESS) ] = NHM_DMND_READ|NHM_L3_ACCESS,
1076                 [ C(RESULT_MISS)   ] = NHM_DMND_READ|NHM_L3_MISS,
1077         },
1078         [ C(OP_WRITE) ] = {
1079                 [ C(RESULT_ACCESS) ] = NHM_DMND_WRITE|NHM_L3_ACCESS,
1080                 [ C(RESULT_MISS)   ] = NHM_DMND_WRITE|NHM_L3_MISS,
1081         },
1082         [ C(OP_PREFETCH) ] = {
1083                 [ C(RESULT_ACCESS) ] = NHM_DMND_PREFETCH|NHM_L3_ACCESS,
1084                 [ C(RESULT_MISS)   ] = NHM_DMND_PREFETCH|NHM_L3_MISS,
1085         },
1086  },
1087  [ C(NODE) ] = {
1088         [ C(OP_READ) ] = {
1089                 [ C(RESULT_ACCESS) ] = NHM_DMND_READ|NHM_LOCAL|NHM_REMOTE,
1090                 [ C(RESULT_MISS)   ] = NHM_DMND_READ|NHM_REMOTE,
1091         },
1092         [ C(OP_WRITE) ] = {
1093                 [ C(RESULT_ACCESS) ] = NHM_DMND_WRITE|NHM_LOCAL|NHM_REMOTE,
1094                 [ C(RESULT_MISS)   ] = NHM_DMND_WRITE|NHM_REMOTE,
1095         },
1096         [ C(OP_PREFETCH) ] = {
1097                 [ C(RESULT_ACCESS) ] = NHM_DMND_PREFETCH|NHM_LOCAL|NHM_REMOTE,
1098                 [ C(RESULT_MISS)   ] = NHM_DMND_PREFETCH|NHM_REMOTE,
1099         },
1100  },
1101 };
1102
1103 static __initconst const u64 nehalem_hw_cache_event_ids
1104                                 [PERF_COUNT_HW_CACHE_MAX]
1105                                 [PERF_COUNT_HW_CACHE_OP_MAX]
1106                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1107 {
1108  [ C(L1D) ] = {
1109         [ C(OP_READ) ] = {
1110                 [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS       */
1111                 [ C(RESULT_MISS)   ] = 0x0151, /* L1D.REPL                     */
1112         },
1113         [ C(OP_WRITE) ] = {
1114                 [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES      */
1115                 [ C(RESULT_MISS)   ] = 0x0251, /* L1D.M_REPL                   */
1116         },
1117         [ C(OP_PREFETCH) ] = {
1118                 [ C(RESULT_ACCESS) ] = 0x014e, /* L1D_PREFETCH.REQUESTS        */
1119                 [ C(RESULT_MISS)   ] = 0x024e, /* L1D_PREFETCH.MISS            */
1120         },
1121  },
1122  [ C(L1I ) ] = {
1123         [ C(OP_READ) ] = {
1124                 [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS                    */
1125                 [ C(RESULT_MISS)   ] = 0x0280, /* L1I.MISSES                   */
1126         },
1127         [ C(OP_WRITE) ] = {
1128                 [ C(RESULT_ACCESS) ] = -1,
1129                 [ C(RESULT_MISS)   ] = -1,
1130         },
1131         [ C(OP_PREFETCH) ] = {
1132                 [ C(RESULT_ACCESS) ] = 0x0,
1133                 [ C(RESULT_MISS)   ] = 0x0,
1134         },
1135  },
1136  [ C(LL  ) ] = {
1137         [ C(OP_READ) ] = {
1138                 /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */
1139                 [ C(RESULT_ACCESS) ] = 0x01b7,
1140                 /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */
1141                 [ C(RESULT_MISS)   ] = 0x01b7,
1142         },
1143         /*
1144          * Use RFO, not WRITEBACK, because a write miss would typically occur
1145          * on RFO.
1146          */
1147         [ C(OP_WRITE) ] = {
1148                 /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */
1149                 [ C(RESULT_ACCESS) ] = 0x01b7,
1150                 /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */
1151                 [ C(RESULT_MISS)   ] = 0x01b7,
1152         },
1153         [ C(OP_PREFETCH) ] = {
1154                 /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */
1155                 [ C(RESULT_ACCESS) ] = 0x01b7,
1156                 /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */
1157                 [ C(RESULT_MISS)   ] = 0x01b7,
1158         },
1159  },
1160  [ C(DTLB) ] = {
1161         [ C(OP_READ) ] = {
1162                 [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI   (alias)  */
1163                 [ C(RESULT_MISS)   ] = 0x0108, /* DTLB_LOAD_MISSES.ANY         */
1164         },
1165         [ C(OP_WRITE) ] = {
1166                 [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI   (alias)  */
1167                 [ C(RESULT_MISS)   ] = 0x010c, /* MEM_STORE_RETIRED.DTLB_MISS  */
1168         },
1169         [ C(OP_PREFETCH) ] = {
1170                 [ C(RESULT_ACCESS) ] = 0x0,
1171                 [ C(RESULT_MISS)   ] = 0x0,
1172         },
1173  },
1174  [ C(ITLB) ] = {
1175         [ C(OP_READ) ] = {
1176                 [ C(RESULT_ACCESS) ] = 0x01c0, /* INST_RETIRED.ANY_P           */
1177                 [ C(RESULT_MISS)   ] = 0x20c8, /* ITLB_MISS_RETIRED            */
1178         },
1179         [ C(OP_WRITE) ] = {
1180                 [ C(RESULT_ACCESS) ] = -1,
1181                 [ C(RESULT_MISS)   ] = -1,
1182         },
1183         [ C(OP_PREFETCH) ] = {
1184                 [ C(RESULT_ACCESS) ] = -1,
1185                 [ C(RESULT_MISS)   ] = -1,
1186         },
1187  },
1188  [ C(BPU ) ] = {
1189         [ C(OP_READ) ] = {
1190                 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */
1191                 [ C(RESULT_MISS)   ] = 0x03e8, /* BPU_CLEARS.ANY               */
1192         },
1193         [ C(OP_WRITE) ] = {
1194                 [ C(RESULT_ACCESS) ] = -1,
1195                 [ C(RESULT_MISS)   ] = -1,
1196         },
1197         [ C(OP_PREFETCH) ] = {
1198                 [ C(RESULT_ACCESS) ] = -1,
1199                 [ C(RESULT_MISS)   ] = -1,
1200         },
1201  },
1202  [ C(NODE) ] = {
1203         [ C(OP_READ) ] = {
1204                 [ C(RESULT_ACCESS) ] = 0x01b7,
1205                 [ C(RESULT_MISS)   ] = 0x01b7,
1206         },
1207         [ C(OP_WRITE) ] = {
1208                 [ C(RESULT_ACCESS) ] = 0x01b7,
1209                 [ C(RESULT_MISS)   ] = 0x01b7,
1210         },
1211         [ C(OP_PREFETCH) ] = {
1212                 [ C(RESULT_ACCESS) ] = 0x01b7,
1213                 [ C(RESULT_MISS)   ] = 0x01b7,
1214         },
1215  },
1216 };
1217
1218 static __initconst const u64 core2_hw_cache_event_ids
1219                                 [PERF_COUNT_HW_CACHE_MAX]
1220                                 [PERF_COUNT_HW_CACHE_OP_MAX]
1221                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1222 {
1223  [ C(L1D) ] = {
1224         [ C(OP_READ) ] = {
1225                 [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI          */
1226                 [ C(RESULT_MISS)   ] = 0x0140, /* L1D_CACHE_LD.I_STATE       */
1227         },
1228         [ C(OP_WRITE) ] = {
1229                 [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI          */
1230                 [ C(RESULT_MISS)   ] = 0x0141, /* L1D_CACHE_ST.I_STATE       */
1231         },
1232         [ C(OP_PREFETCH) ] = {
1233                 [ C(RESULT_ACCESS) ] = 0x104e, /* L1D_PREFETCH.REQUESTS      */
1234                 [ C(RESULT_MISS)   ] = 0,
1235         },
1236  },
1237  [ C(L1I ) ] = {
1238         [ C(OP_READ) ] = {
1239                 [ C(RESULT_ACCESS) ] = 0x0080, /* L1I.READS                  */
1240                 [ C(RESULT_MISS)   ] = 0x0081, /* L1I.MISSES                 */
1241         },
1242         [ C(OP_WRITE) ] = {
1243                 [ C(RESULT_ACCESS) ] = -1,
1244                 [ C(RESULT_MISS)   ] = -1,
1245         },
1246         [ C(OP_PREFETCH) ] = {
1247                 [ C(RESULT_ACCESS) ] = 0,
1248                 [ C(RESULT_MISS)   ] = 0,
1249         },
1250  },
1251  [ C(LL  ) ] = {
1252         [ C(OP_READ) ] = {
1253                 [ C(RESULT_ACCESS) ] = 0x4f29, /* L2_LD.MESI                 */
1254                 [ C(RESULT_MISS)   ] = 0x4129, /* L2_LD.ISTATE               */
1255         },
1256         [ C(OP_WRITE) ] = {
1257                 [ C(RESULT_ACCESS) ] = 0x4f2A, /* L2_ST.MESI                 */
1258                 [ C(RESULT_MISS)   ] = 0x412A, /* L2_ST.ISTATE               */
1259         },
1260         [ C(OP_PREFETCH) ] = {
1261                 [ C(RESULT_ACCESS) ] = 0,
1262                 [ C(RESULT_MISS)   ] = 0,
1263         },
1264  },
1265  [ C(DTLB) ] = {
1266         [ C(OP_READ) ] = {
1267                 [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI  (alias) */
1268                 [ C(RESULT_MISS)   ] = 0x0208, /* DTLB_MISSES.MISS_LD        */
1269         },
1270         [ C(OP_WRITE) ] = {
1271                 [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI  (alias) */
1272                 [ C(RESULT_MISS)   ] = 0x0808, /* DTLB_MISSES.MISS_ST        */
1273         },
1274         [ C(OP_PREFETCH) ] = {
1275                 [ C(RESULT_ACCESS) ] = 0,
1276                 [ C(RESULT_MISS)   ] = 0,
1277         },
1278  },
1279  [ C(ITLB) ] = {
1280         [ C(OP_READ) ] = {
1281                 [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P         */
1282                 [ C(RESULT_MISS)   ] = 0x1282, /* ITLBMISSES                 */
1283         },
1284         [ C(OP_WRITE) ] = {
1285                 [ C(RESULT_ACCESS) ] = -1,
1286                 [ C(RESULT_MISS)   ] = -1,
1287         },
1288         [ C(OP_PREFETCH) ] = {
1289                 [ C(RESULT_ACCESS) ] = -1,
1290                 [ C(RESULT_MISS)   ] = -1,
1291         },
1292  },
1293  [ C(BPU ) ] = {
1294         [ C(OP_READ) ] = {
1295                 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY        */
1296                 [ C(RESULT_MISS)   ] = 0x00c5, /* BP_INST_RETIRED.MISPRED    */
1297         },
1298         [ C(OP_WRITE) ] = {
1299                 [ C(RESULT_ACCESS) ] = -1,
1300                 [ C(RESULT_MISS)   ] = -1,
1301         },
1302         [ C(OP_PREFETCH) ] = {
1303                 [ C(RESULT_ACCESS) ] = -1,
1304                 [ C(RESULT_MISS)   ] = -1,
1305         },
1306  },
1307 };
1308
1309 static __initconst const u64 atom_hw_cache_event_ids
1310                                 [PERF_COUNT_HW_CACHE_MAX]
1311                                 [PERF_COUNT_HW_CACHE_OP_MAX]
1312                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1313 {
1314  [ C(L1D) ] = {
1315         [ C(OP_READ) ] = {
1316                 [ C(RESULT_ACCESS) ] = 0x2140, /* L1D_CACHE.LD               */
1317                 [ C(RESULT_MISS)   ] = 0,
1318         },
1319         [ C(OP_WRITE) ] = {
1320                 [ C(RESULT_ACCESS) ] = 0x2240, /* L1D_CACHE.ST               */
1321                 [ C(RESULT_MISS)   ] = 0,
1322         },
1323         [ C(OP_PREFETCH) ] = {
1324                 [ C(RESULT_ACCESS) ] = 0x0,
1325                 [ C(RESULT_MISS)   ] = 0,
1326         },
1327  },
1328  [ C(L1I ) ] = {
1329         [ C(OP_READ) ] = {
1330                 [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS                  */
1331                 [ C(RESULT_MISS)   ] = 0x0280, /* L1I.MISSES                 */
1332         },
1333         [ C(OP_WRITE) ] = {
1334                 [ C(RESULT_ACCESS) ] = -1,
1335                 [ C(RESULT_MISS)   ] = -1,
1336         },
1337         [ C(OP_PREFETCH) ] = {
1338                 [ C(RESULT_ACCESS) ] = 0,
1339                 [ C(RESULT_MISS)   ] = 0,
1340         },
1341  },
1342  [ C(LL  ) ] = {
1343         [ C(OP_READ) ] = {
1344                 [ C(RESULT_ACCESS) ] = 0x4f29, /* L2_LD.MESI                 */
1345                 [ C(RESULT_MISS)   ] = 0x4129, /* L2_LD.ISTATE               */
1346         },
1347         [ C(OP_WRITE) ] = {
1348                 [ C(RESULT_ACCESS) ] = 0x4f2A, /* L2_ST.MESI                 */
1349                 [ C(RESULT_MISS)   ] = 0x412A, /* L2_ST.ISTATE               */
1350         },
1351         [ C(OP_PREFETCH) ] = {
1352                 [ C(RESULT_ACCESS) ] = 0,
1353                 [ C(RESULT_MISS)   ] = 0,
1354         },
1355  },
1356  [ C(DTLB) ] = {
1357         [ C(OP_READ) ] = {
1358                 [ C(RESULT_ACCESS) ] = 0x2140, /* L1D_CACHE_LD.MESI  (alias) */
1359                 [ C(RESULT_MISS)   ] = 0x0508, /* DTLB_MISSES.MISS_LD        */
1360         },
1361         [ C(OP_WRITE) ] = {
1362                 [ C(RESULT_ACCESS) ] = 0x2240, /* L1D_CACHE_ST.MESI  (alias) */
1363                 [ C(RESULT_MISS)   ] = 0x0608, /* DTLB_MISSES.MISS_ST        */
1364         },
1365         [ C(OP_PREFETCH) ] = {
1366                 [ C(RESULT_ACCESS) ] = 0,
1367                 [ C(RESULT_MISS)   ] = 0,
1368         },
1369  },
1370  [ C(ITLB) ] = {
1371         [ C(OP_READ) ] = {
1372                 [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P         */
1373                 [ C(RESULT_MISS)   ] = 0x0282, /* ITLB.MISSES                */
1374         },
1375         [ C(OP_WRITE) ] = {
1376                 [ C(RESULT_ACCESS) ] = -1,
1377                 [ C(RESULT_MISS)   ] = -1,
1378         },
1379         [ C(OP_PREFETCH) ] = {
1380                 [ C(RESULT_ACCESS) ] = -1,
1381                 [ C(RESULT_MISS)   ] = -1,
1382         },
1383  },
1384  [ C(BPU ) ] = {
1385         [ C(OP_READ) ] = {
1386                 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY        */
1387                 [ C(RESULT_MISS)   ] = 0x00c5, /* BP_INST_RETIRED.MISPRED    */
1388         },
1389         [ C(OP_WRITE) ] = {
1390                 [ C(RESULT_ACCESS) ] = -1,
1391                 [ C(RESULT_MISS)   ] = -1,
1392         },
1393         [ C(OP_PREFETCH) ] = {
1394                 [ C(RESULT_ACCESS) ] = -1,
1395                 [ C(RESULT_MISS)   ] = -1,
1396         },
1397  },
1398 };
1399
1400 EVENT_ATTR_STR(topdown-total-slots, td_total_slots_slm, "event=0x3c");
1401 EVENT_ATTR_STR(topdown-total-slots.scale, td_total_slots_scale_slm, "2");
1402 /* no_alloc_cycles.not_delivered */
1403 EVENT_ATTR_STR(topdown-fetch-bubbles, td_fetch_bubbles_slm,
1404                "event=0xca,umask=0x50");
1405 EVENT_ATTR_STR(topdown-fetch-bubbles.scale, td_fetch_bubbles_scale_slm, "2");
1406 /* uops_retired.all */
1407 EVENT_ATTR_STR(topdown-slots-issued, td_slots_issued_slm,
1408                "event=0xc2,umask=0x10");
1409 /* uops_retired.all */
1410 EVENT_ATTR_STR(topdown-slots-retired, td_slots_retired_slm,
1411                "event=0xc2,umask=0x10");
1412
1413 static struct attribute *slm_events_attrs[] = {
1414         EVENT_PTR(td_total_slots_slm),
1415         EVENT_PTR(td_total_slots_scale_slm),
1416         EVENT_PTR(td_fetch_bubbles_slm),
1417         EVENT_PTR(td_fetch_bubbles_scale_slm),
1418         EVENT_PTR(td_slots_issued_slm),
1419         EVENT_PTR(td_slots_retired_slm),
1420         NULL
1421 };
1422
1423 static struct extra_reg intel_slm_extra_regs[] __read_mostly =
1424 {
1425         /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
1426         INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x768005ffffull, RSP_0),
1427         INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0x368005ffffull, RSP_1),
1428         EVENT_EXTRA_END
1429 };
1430
1431 #define SLM_DMND_READ           SNB_DMND_DATA_RD
1432 #define SLM_DMND_WRITE          SNB_DMND_RFO
1433 #define SLM_DMND_PREFETCH       (SNB_PF_DATA_RD|SNB_PF_RFO)
1434
1435 #define SLM_SNP_ANY             (SNB_SNP_NONE|SNB_SNP_MISS|SNB_NO_FWD|SNB_HITM)
1436 #define SLM_LLC_ACCESS          SNB_RESP_ANY
1437 #define SLM_LLC_MISS            (SLM_SNP_ANY|SNB_NON_DRAM)
1438
1439 static __initconst const u64 slm_hw_cache_extra_regs
1440                                 [PERF_COUNT_HW_CACHE_MAX]
1441                                 [PERF_COUNT_HW_CACHE_OP_MAX]
1442                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1443 {
1444  [ C(LL  ) ] = {
1445         [ C(OP_READ) ] = {
1446                 [ C(RESULT_ACCESS) ] = SLM_DMND_READ|SLM_LLC_ACCESS,
1447                 [ C(RESULT_MISS)   ] = 0,
1448         },
1449         [ C(OP_WRITE) ] = {
1450                 [ C(RESULT_ACCESS) ] = SLM_DMND_WRITE|SLM_LLC_ACCESS,
1451                 [ C(RESULT_MISS)   ] = SLM_DMND_WRITE|SLM_LLC_MISS,
1452         },
1453         [ C(OP_PREFETCH) ] = {
1454                 [ C(RESULT_ACCESS) ] = SLM_DMND_PREFETCH|SLM_LLC_ACCESS,
1455                 [ C(RESULT_MISS)   ] = SLM_DMND_PREFETCH|SLM_LLC_MISS,
1456         },
1457  },
1458 };
1459
1460 static __initconst const u64 slm_hw_cache_event_ids
1461                                 [PERF_COUNT_HW_CACHE_MAX]
1462                                 [PERF_COUNT_HW_CACHE_OP_MAX]
1463                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1464 {
1465  [ C(L1D) ] = {
1466         [ C(OP_READ) ] = {
1467                 [ C(RESULT_ACCESS) ] = 0,
1468                 [ C(RESULT_MISS)   ] = 0x0104, /* LD_DCU_MISS */
1469         },
1470         [ C(OP_WRITE) ] = {
1471                 [ C(RESULT_ACCESS) ] = 0,
1472                 [ C(RESULT_MISS)   ] = 0,
1473         },
1474         [ C(OP_PREFETCH) ] = {
1475                 [ C(RESULT_ACCESS) ] = 0,
1476                 [ C(RESULT_MISS)   ] = 0,
1477         },
1478  },
1479  [ C(L1I ) ] = {
1480         [ C(OP_READ) ] = {
1481                 [ C(RESULT_ACCESS) ] = 0x0380, /* ICACHE.ACCESSES */
1482                 [ C(RESULT_MISS)   ] = 0x0280, /* ICACGE.MISSES */
1483         },
1484         [ C(OP_WRITE) ] = {
1485                 [ C(RESULT_ACCESS) ] = -1,
1486                 [ C(RESULT_MISS)   ] = -1,
1487         },
1488         [ C(OP_PREFETCH) ] = {
1489                 [ C(RESULT_ACCESS) ] = 0,
1490                 [ C(RESULT_MISS)   ] = 0,
1491         },
1492  },
1493  [ C(LL  ) ] = {
1494         [ C(OP_READ) ] = {
1495                 /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */
1496                 [ C(RESULT_ACCESS) ] = 0x01b7,
1497                 [ C(RESULT_MISS)   ] = 0,
1498         },
1499         [ C(OP_WRITE) ] = {
1500                 /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */
1501                 [ C(RESULT_ACCESS) ] = 0x01b7,
1502                 /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */
1503                 [ C(RESULT_MISS)   ] = 0x01b7,
1504         },
1505         [ C(OP_PREFETCH) ] = {
1506                 /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */
1507                 [ C(RESULT_ACCESS) ] = 0x01b7,
1508                 /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */
1509                 [ C(RESULT_MISS)   ] = 0x01b7,
1510         },
1511  },
1512  [ C(DTLB) ] = {
1513         [ C(OP_READ) ] = {
1514                 [ C(RESULT_ACCESS) ] = 0,
1515                 [ C(RESULT_MISS)   ] = 0x0804, /* LD_DTLB_MISS */
1516         },
1517         [ C(OP_WRITE) ] = {
1518                 [ C(RESULT_ACCESS) ] = 0,
1519                 [ C(RESULT_MISS)   ] = 0,
1520         },
1521         [ C(OP_PREFETCH) ] = {
1522                 [ C(RESULT_ACCESS) ] = 0,
1523                 [ C(RESULT_MISS)   ] = 0,
1524         },
1525  },
1526  [ C(ITLB) ] = {
1527         [ C(OP_READ) ] = {
1528                 [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P */
1529                 [ C(RESULT_MISS)   ] = 0x40205, /* PAGE_WALKS.I_SIDE_WALKS */
1530         },
1531         [ C(OP_WRITE) ] = {
1532                 [ C(RESULT_ACCESS) ] = -1,
1533                 [ C(RESULT_MISS)   ] = -1,
1534         },
1535         [ C(OP_PREFETCH) ] = {
1536                 [ C(RESULT_ACCESS) ] = -1,
1537                 [ C(RESULT_MISS)   ] = -1,
1538         },
1539  },
1540  [ C(BPU ) ] = {
1541         [ C(OP_READ) ] = {
1542                 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY */
1543                 [ C(RESULT_MISS)   ] = 0x00c5, /* BP_INST_RETIRED.MISPRED */
1544         },
1545         [ C(OP_WRITE) ] = {
1546                 [ C(RESULT_ACCESS) ] = -1,
1547                 [ C(RESULT_MISS)   ] = -1,
1548         },
1549         [ C(OP_PREFETCH) ] = {
1550                 [ C(RESULT_ACCESS) ] = -1,
1551                 [ C(RESULT_MISS)   ] = -1,
1552         },
1553  },
1554 };
1555
1556 EVENT_ATTR_STR(topdown-total-slots, td_total_slots_glm, "event=0x3c");
1557 EVENT_ATTR_STR(topdown-total-slots.scale, td_total_slots_scale_glm, "3");
1558 /* UOPS_NOT_DELIVERED.ANY */
1559 EVENT_ATTR_STR(topdown-fetch-bubbles, td_fetch_bubbles_glm, "event=0x9c");
1560 /* ISSUE_SLOTS_NOT_CONSUMED.RECOVERY */
1561 EVENT_ATTR_STR(topdown-recovery-bubbles, td_recovery_bubbles_glm, "event=0xca,umask=0x02");
1562 /* UOPS_RETIRED.ANY */
1563 EVENT_ATTR_STR(topdown-slots-retired, td_slots_retired_glm, "event=0xc2");
1564 /* UOPS_ISSUED.ANY */
1565 EVENT_ATTR_STR(topdown-slots-issued, td_slots_issued_glm, "event=0x0e");
1566
1567 static struct attribute *glm_events_attrs[] = {
1568         EVENT_PTR(td_total_slots_glm),
1569         EVENT_PTR(td_total_slots_scale_glm),
1570         EVENT_PTR(td_fetch_bubbles_glm),
1571         EVENT_PTR(td_recovery_bubbles_glm),
1572         EVENT_PTR(td_slots_issued_glm),
1573         EVENT_PTR(td_slots_retired_glm),
1574         NULL
1575 };
1576
1577 static struct extra_reg intel_glm_extra_regs[] __read_mostly = {
1578         /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
1579         INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x760005ffbfull, RSP_0),
1580         INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0x360005ffbfull, RSP_1),
1581         EVENT_EXTRA_END
1582 };
1583
1584 #define GLM_DEMAND_DATA_RD              BIT_ULL(0)
1585 #define GLM_DEMAND_RFO                  BIT_ULL(1)
1586 #define GLM_ANY_RESPONSE                BIT_ULL(16)
1587 #define GLM_SNP_NONE_OR_MISS            BIT_ULL(33)
1588 #define GLM_DEMAND_READ                 GLM_DEMAND_DATA_RD
1589 #define GLM_DEMAND_WRITE                GLM_DEMAND_RFO
1590 #define GLM_DEMAND_PREFETCH             (SNB_PF_DATA_RD|SNB_PF_RFO)
1591 #define GLM_LLC_ACCESS                  GLM_ANY_RESPONSE
1592 #define GLM_SNP_ANY                     (GLM_SNP_NONE_OR_MISS|SNB_NO_FWD|SNB_HITM)
1593 #define GLM_LLC_MISS                    (GLM_SNP_ANY|SNB_NON_DRAM)
1594
1595 static __initconst const u64 glm_hw_cache_event_ids
1596                                 [PERF_COUNT_HW_CACHE_MAX]
1597                                 [PERF_COUNT_HW_CACHE_OP_MAX]
1598                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
1599         [C(L1D)] = {
1600                 [C(OP_READ)] = {
1601                         [C(RESULT_ACCESS)]      = 0x81d0,       /* MEM_UOPS_RETIRED.ALL_LOADS */
1602                         [C(RESULT_MISS)]        = 0x0,
1603                 },
1604                 [C(OP_WRITE)] = {
1605                         [C(RESULT_ACCESS)]      = 0x82d0,       /* MEM_UOPS_RETIRED.ALL_STORES */
1606                         [C(RESULT_MISS)]        = 0x0,
1607                 },
1608                 [C(OP_PREFETCH)] = {
1609                         [C(RESULT_ACCESS)]      = 0x0,
1610                         [C(RESULT_MISS)]        = 0x0,
1611                 },
1612         },
1613         [C(L1I)] = {
1614                 [C(OP_READ)] = {
1615                         [C(RESULT_ACCESS)]      = 0x0380,       /* ICACHE.ACCESSES */
1616                         [C(RESULT_MISS)]        = 0x0280,       /* ICACHE.MISSES */
1617                 },
1618                 [C(OP_WRITE)] = {
1619                         [C(RESULT_ACCESS)]      = -1,
1620                         [C(RESULT_MISS)]        = -1,
1621                 },
1622                 [C(OP_PREFETCH)] = {
1623                         [C(RESULT_ACCESS)]      = 0x0,
1624                         [C(RESULT_MISS)]        = 0x0,
1625                 },
1626         },
1627         [C(LL)] = {
1628                 [C(OP_READ)] = {
1629                         [C(RESULT_ACCESS)]      = 0x1b7,        /* OFFCORE_RESPONSE */
1630                         [C(RESULT_MISS)]        = 0x1b7,        /* OFFCORE_RESPONSE */
1631                 },
1632                 [C(OP_WRITE)] = {
1633                         [C(RESULT_ACCESS)]      = 0x1b7,        /* OFFCORE_RESPONSE */
1634                         [C(RESULT_MISS)]        = 0x1b7,        /* OFFCORE_RESPONSE */
1635                 },
1636                 [C(OP_PREFETCH)] = {
1637                         [C(RESULT_ACCESS)]      = 0x1b7,        /* OFFCORE_RESPONSE */
1638                         [C(RESULT_MISS)]        = 0x1b7,        /* OFFCORE_RESPONSE */
1639                 },
1640         },
1641         [C(DTLB)] = {
1642                 [C(OP_READ)] = {
1643                         [C(RESULT_ACCESS)]      = 0x81d0,       /* MEM_UOPS_RETIRED.ALL_LOADS */
1644                         [C(RESULT_MISS)]        = 0x0,
1645                 },
1646                 [C(OP_WRITE)] = {
1647                         [C(RESULT_ACCESS)]      = 0x82d0,       /* MEM_UOPS_RETIRED.ALL_STORES */
1648                         [C(RESULT_MISS)]        = 0x0,
1649                 },
1650                 [C(OP_PREFETCH)] = {
1651                         [C(RESULT_ACCESS)]      = 0x0,
1652                         [C(RESULT_MISS)]        = 0x0,
1653                 },
1654         },
1655         [C(ITLB)] = {
1656                 [C(OP_READ)] = {
1657                         [C(RESULT_ACCESS)]      = 0x00c0,       /* INST_RETIRED.ANY_P */
1658                         [C(RESULT_MISS)]        = 0x0481,       /* ITLB.MISS */
1659                 },
1660                 [C(OP_WRITE)] = {
1661                         [C(RESULT_ACCESS)]      = -1,
1662                         [C(RESULT_MISS)]        = -1,
1663                 },
1664                 [C(OP_PREFETCH)] = {
1665                         [C(RESULT_ACCESS)]      = -1,
1666                         [C(RESULT_MISS)]        = -1,
1667                 },
1668         },
1669         [C(BPU)] = {
1670                 [C(OP_READ)] = {
1671                         [C(RESULT_ACCESS)]      = 0x00c4,       /* BR_INST_RETIRED.ALL_BRANCHES */
1672                         [C(RESULT_MISS)]        = 0x00c5,       /* BR_MISP_RETIRED.ALL_BRANCHES */
1673                 },
1674                 [C(OP_WRITE)] = {
1675                         [C(RESULT_ACCESS)]      = -1,
1676                         [C(RESULT_MISS)]        = -1,
1677                 },
1678                 [C(OP_PREFETCH)] = {
1679                         [C(RESULT_ACCESS)]      = -1,
1680                         [C(RESULT_MISS)]        = -1,
1681                 },
1682         },
1683 };
1684
1685 static __initconst const u64 glm_hw_cache_extra_regs
1686                                 [PERF_COUNT_HW_CACHE_MAX]
1687                                 [PERF_COUNT_HW_CACHE_OP_MAX]
1688                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
1689         [C(LL)] = {
1690                 [C(OP_READ)] = {
1691                         [C(RESULT_ACCESS)]      = GLM_DEMAND_READ|
1692                                                   GLM_LLC_ACCESS,
1693                         [C(RESULT_MISS)]        = GLM_DEMAND_READ|
1694                                                   GLM_LLC_MISS,
1695                 },
1696                 [C(OP_WRITE)] = {
1697                         [C(RESULT_ACCESS)]      = GLM_DEMAND_WRITE|
1698                                                   GLM_LLC_ACCESS,
1699                         [C(RESULT_MISS)]        = GLM_DEMAND_WRITE|
1700                                                   GLM_LLC_MISS,
1701                 },
1702                 [C(OP_PREFETCH)] = {
1703                         [C(RESULT_ACCESS)]      = GLM_DEMAND_PREFETCH|
1704                                                   GLM_LLC_ACCESS,
1705                         [C(RESULT_MISS)]        = GLM_DEMAND_PREFETCH|
1706                                                   GLM_LLC_MISS,
1707                 },
1708         },
1709 };
1710
1711 static __initconst const u64 glp_hw_cache_event_ids
1712                                 [PERF_COUNT_HW_CACHE_MAX]
1713                                 [PERF_COUNT_HW_CACHE_OP_MAX]
1714                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
1715         [C(L1D)] = {
1716                 [C(OP_READ)] = {
1717                         [C(RESULT_ACCESS)]      = 0x81d0,       /* MEM_UOPS_RETIRED.ALL_LOADS */
1718                         [C(RESULT_MISS)]        = 0x0,
1719                 },
1720                 [C(OP_WRITE)] = {
1721                         [C(RESULT_ACCESS)]      = 0x82d0,       /* MEM_UOPS_RETIRED.ALL_STORES */
1722                         [C(RESULT_MISS)]        = 0x0,
1723                 },
1724                 [C(OP_PREFETCH)] = {
1725                         [C(RESULT_ACCESS)]      = 0x0,
1726                         [C(RESULT_MISS)]        = 0x0,
1727                 },
1728         },
1729         [C(L1I)] = {
1730                 [C(OP_READ)] = {
1731                         [C(RESULT_ACCESS)]      = 0x0380,       /* ICACHE.ACCESSES */
1732                         [C(RESULT_MISS)]        = 0x0280,       /* ICACHE.MISSES */
1733                 },
1734                 [C(OP_WRITE)] = {
1735                         [C(RESULT_ACCESS)]      = -1,
1736                         [C(RESULT_MISS)]        = -1,
1737                 },
1738                 [C(OP_PREFETCH)] = {
1739                         [C(RESULT_ACCESS)]      = 0x0,
1740                         [C(RESULT_MISS)]        = 0x0,
1741                 },
1742         },
1743         [C(LL)] = {
1744                 [C(OP_READ)] = {
1745                         [C(RESULT_ACCESS)]      = 0x1b7,        /* OFFCORE_RESPONSE */
1746                         [C(RESULT_MISS)]        = 0x1b7,        /* OFFCORE_RESPONSE */
1747                 },
1748                 [C(OP_WRITE)] = {
1749                         [C(RESULT_ACCESS)]      = 0x1b7,        /* OFFCORE_RESPONSE */
1750                         [C(RESULT_MISS)]        = 0x1b7,        /* OFFCORE_RESPONSE */
1751                 },
1752                 [C(OP_PREFETCH)] = {
1753                         [C(RESULT_ACCESS)]      = 0x0,
1754                         [C(RESULT_MISS)]        = 0x0,
1755                 },
1756         },
1757         [C(DTLB)] = {
1758                 [C(OP_READ)] = {
1759                         [C(RESULT_ACCESS)]      = 0x81d0,       /* MEM_UOPS_RETIRED.ALL_LOADS */
1760                         [C(RESULT_MISS)]        = 0xe08,        /* DTLB_LOAD_MISSES.WALK_COMPLETED */
1761                 },
1762                 [C(OP_WRITE)] = {
1763                         [C(RESULT_ACCESS)]      = 0x82d0,       /* MEM_UOPS_RETIRED.ALL_STORES */
1764                         [C(RESULT_MISS)]        = 0xe49,        /* DTLB_STORE_MISSES.WALK_COMPLETED */
1765                 },
1766                 [C(OP_PREFETCH)] = {
1767                         [C(RESULT_ACCESS)]      = 0x0,
1768                         [C(RESULT_MISS)]        = 0x0,
1769                 },
1770         },
1771         [C(ITLB)] = {
1772                 [C(OP_READ)] = {
1773                         [C(RESULT_ACCESS)]      = 0x00c0,       /* INST_RETIRED.ANY_P */
1774                         [C(RESULT_MISS)]        = 0x0481,       /* ITLB.MISS */
1775                 },
1776                 [C(OP_WRITE)] = {
1777                         [C(RESULT_ACCESS)]      = -1,
1778                         [C(RESULT_MISS)]        = -1,
1779                 },
1780                 [C(OP_PREFETCH)] = {
1781                         [C(RESULT_ACCESS)]      = -1,
1782                         [C(RESULT_MISS)]        = -1,
1783                 },
1784         },
1785         [C(BPU)] = {
1786                 [C(OP_READ)] = {
1787                         [C(RESULT_ACCESS)]      = 0x00c4,       /* BR_INST_RETIRED.ALL_BRANCHES */
1788                         [C(RESULT_MISS)]        = 0x00c5,       /* BR_MISP_RETIRED.ALL_BRANCHES */
1789                 },
1790                 [C(OP_WRITE)] = {
1791                         [C(RESULT_ACCESS)]      = -1,
1792                         [C(RESULT_MISS)]        = -1,
1793                 },
1794                 [C(OP_PREFETCH)] = {
1795                         [C(RESULT_ACCESS)]      = -1,
1796                         [C(RESULT_MISS)]        = -1,
1797                 },
1798         },
1799 };
1800
1801 static __initconst const u64 glp_hw_cache_extra_regs
1802                                 [PERF_COUNT_HW_CACHE_MAX]
1803                                 [PERF_COUNT_HW_CACHE_OP_MAX]
1804                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
1805         [C(LL)] = {
1806                 [C(OP_READ)] = {
1807                         [C(RESULT_ACCESS)]      = GLM_DEMAND_READ|
1808                                                   GLM_LLC_ACCESS,
1809                         [C(RESULT_MISS)]        = GLM_DEMAND_READ|
1810                                                   GLM_LLC_MISS,
1811                 },
1812                 [C(OP_WRITE)] = {
1813                         [C(RESULT_ACCESS)]      = GLM_DEMAND_WRITE|
1814                                                   GLM_LLC_ACCESS,
1815                         [C(RESULT_MISS)]        = GLM_DEMAND_WRITE|
1816                                                   GLM_LLC_MISS,
1817                 },
1818                 [C(OP_PREFETCH)] = {
1819                         [C(RESULT_ACCESS)]      = 0x0,
1820                         [C(RESULT_MISS)]        = 0x0,
1821                 },
1822         },
1823 };
1824
1825 #define KNL_OT_L2_HITE          BIT_ULL(19) /* Other Tile L2 Hit */
1826 #define KNL_OT_L2_HITF          BIT_ULL(20) /* Other Tile L2 Hit */
1827 #define KNL_MCDRAM_LOCAL        BIT_ULL(21)
1828 #define KNL_MCDRAM_FAR          BIT_ULL(22)
1829 #define KNL_DDR_LOCAL           BIT_ULL(23)
1830 #define KNL_DDR_FAR             BIT_ULL(24)
1831 #define KNL_DRAM_ANY            (KNL_MCDRAM_LOCAL | KNL_MCDRAM_FAR | \
1832                                     KNL_DDR_LOCAL | KNL_DDR_FAR)
1833 #define KNL_L2_READ             SLM_DMND_READ
1834 #define KNL_L2_WRITE            SLM_DMND_WRITE
1835 #define KNL_L2_PREFETCH         SLM_DMND_PREFETCH
1836 #define KNL_L2_ACCESS           SLM_LLC_ACCESS
1837 #define KNL_L2_MISS             (KNL_OT_L2_HITE | KNL_OT_L2_HITF | \
1838                                    KNL_DRAM_ANY | SNB_SNP_ANY | \
1839                                                   SNB_NON_DRAM)
1840
1841 static __initconst const u64 knl_hw_cache_extra_regs
1842                                 [PERF_COUNT_HW_CACHE_MAX]
1843                                 [PERF_COUNT_HW_CACHE_OP_MAX]
1844                                 [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
1845         [C(LL)] = {
1846                 [C(OP_READ)] = {
1847                         [C(RESULT_ACCESS)] = KNL_L2_READ | KNL_L2_ACCESS,
1848                         [C(RESULT_MISS)]   = 0,
1849                 },
1850                 [C(OP_WRITE)] = {
1851                         [C(RESULT_ACCESS)] = KNL_L2_WRITE | KNL_L2_ACCESS,
1852                         [C(RESULT_MISS)]   = KNL_L2_WRITE | KNL_L2_MISS,
1853                 },
1854                 [C(OP_PREFETCH)] = {
1855                         [C(RESULT_ACCESS)] = KNL_L2_PREFETCH | KNL_L2_ACCESS,
1856                         [C(RESULT_MISS)]   = KNL_L2_PREFETCH | KNL_L2_MISS,
1857                 },
1858         },
1859 };
1860
1861 /*
1862  * Used from PMIs where the LBRs are already disabled.
1863  *
1864  * This function could be called consecutively. It is required to remain in
1865  * disabled state if called consecutively.
1866  *
1867  * During consecutive calls, the same disable value will be written to related
1868  * registers, so the PMU state remains unchanged.
1869  *
1870  * intel_bts events don't coexist with intel PMU's BTS events because of
1871  * x86_add_exclusive(x86_lbr_exclusive_lbr); there's no need to keep them
1872  * disabled around intel PMU's event batching etc, only inside the PMI handler.
1873  */
1874 static void __intel_pmu_disable_all(void)
1875 {
1876         struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
1877
1878         wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0);
1879
1880         if (test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask))
1881                 intel_pmu_disable_bts();
1882
1883         intel_pmu_pebs_disable_all();
1884 }
1885
1886 static void intel_pmu_disable_all(void)
1887 {
1888         __intel_pmu_disable_all();
1889         intel_pmu_lbr_disable_all();
1890 }
1891
1892 static void __intel_pmu_enable_all(int added, bool pmi)
1893 {
1894         struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
1895
1896         intel_pmu_pebs_enable_all();
1897         intel_pmu_lbr_enable_all(pmi);
1898         wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL,
1899                         x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_guest_mask);
1900
1901         if (test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask)) {
1902                 struct perf_event *event =
1903                         cpuc->events[INTEL_PMC_IDX_FIXED_BTS];
1904
1905                 if (WARN_ON_ONCE(!event))
1906                         return;
1907
1908                 intel_pmu_enable_bts(event->hw.config);
1909         }
1910 }
1911
1912 static void intel_pmu_enable_all(int added)
1913 {
1914         __intel_pmu_enable_all(added, false);
1915 }
1916
1917 /*
1918  * Workaround for:
1919  *   Intel Errata AAK100 (model 26)
1920  *   Intel Errata AAP53  (model 30)
1921  *   Intel Errata BD53   (model 44)
1922  *
1923  * The official story:
1924  *   These chips need to be 'reset' when adding counters by programming the
1925  *   magic three (non-counting) events 0x4300B5, 0x4300D2, and 0x4300B1 either
1926  *   in sequence on the same PMC or on different PMCs.
1927  *
1928  * In practise it appears some of these events do in fact count, and
1929  * we need to programm all 4 events.
1930  */
1931 static void intel_pmu_nhm_workaround(void)
1932 {
1933         struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
1934         static const unsigned long nhm_magic[4] = {
1935                 0x4300B5,
1936                 0x4300D2,
1937                 0x4300B1,
1938                 0x4300B1
1939         };
1940         struct perf_event *event;
1941         int i;
1942
1943         /*
1944          * The Errata requires below steps:
1945          * 1) Clear MSR_IA32_PEBS_ENABLE and MSR_CORE_PERF_GLOBAL_CTRL;
1946          * 2) Configure 4 PERFEVTSELx with the magic events and clear
1947          *    the corresponding PMCx;
1948          * 3) set bit0~bit3 of MSR_CORE_PERF_GLOBAL_CTRL;
1949          * 4) Clear MSR_CORE_PERF_GLOBAL_CTRL;
1950          * 5) Clear 4 pairs of ERFEVTSELx and PMCx;
1951          */
1952
1953         /*
1954          * The real steps we choose are a little different from above.
1955          * A) To reduce MSR operations, we don't run step 1) as they
1956          *    are already cleared before this function is called;
1957          * B) Call x86_perf_event_update to save PMCx before configuring
1958          *    PERFEVTSELx with magic number;
1959          * C) With step 5), we do clear only when the PERFEVTSELx is
1960          *    not used currently.
1961          * D) Call x86_perf_event_set_period to restore PMCx;
1962          */
1963
1964         /* We always operate 4 pairs of PERF Counters */
1965         for (i = 0; i < 4; i++) {
1966                 event = cpuc->events[i];
1967                 if (event)
1968                         x86_perf_event_update(event);
1969         }
1970
1971         for (i = 0; i < 4; i++) {
1972                 wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + i, nhm_magic[i]);
1973                 wrmsrl(MSR_ARCH_PERFMON_PERFCTR0 + i, 0x0);
1974         }
1975
1976         wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0xf);
1977         wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0x0);
1978
1979         for (i = 0; i < 4; i++) {
1980                 event = cpuc->events[i];
1981
1982                 if (event) {
1983                         x86_perf_event_set_period(event);
1984                         __x86_pmu_enable_event(&event->hw,
1985                                         ARCH_PERFMON_EVENTSEL_ENABLE);
1986                 } else
1987                         wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + i, 0x0);
1988         }
1989 }
1990
1991 static void intel_pmu_nhm_enable_all(int added)
1992 {
1993         if (added)
1994                 intel_pmu_nhm_workaround();
1995         intel_pmu_enable_all(added);
1996 }
1997
1998 static inline u64 intel_pmu_get_status(void)
1999 {
2000         u64 status;
2001
2002         rdmsrl(MSR_CORE_PERF_GLOBAL_STATUS, status);
2003
2004         return status;
2005 }
2006
2007 static inline void intel_pmu_ack_status(u64 ack)
2008 {
2009         wrmsrl(MSR_CORE_PERF_GLOBAL_OVF_CTRL, ack);
2010 }
2011
2012 static void intel_pmu_disable_fixed(struct hw_perf_event *hwc)
2013 {
2014         int idx = hwc->idx - INTEL_PMC_IDX_FIXED;
2015         u64 ctrl_val, mask;
2016
2017         mask = 0xfULL << (idx * 4);
2018
2019         rdmsrl(hwc->config_base, ctrl_val);
2020         ctrl_val &= ~mask;
2021         wrmsrl(hwc->config_base, ctrl_val);
2022 }
2023
2024 static inline bool event_is_checkpointed(struct perf_event *event)
2025 {
2026         return (event->hw.config & HSW_IN_TX_CHECKPOINTED) != 0;
2027 }
2028
2029 static void intel_pmu_disable_event(struct perf_event *event)
2030 {
2031         struct hw_perf_event *hwc = &event->hw;
2032         struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2033
2034         if (unlikely(hwc->idx == INTEL_PMC_IDX_FIXED_BTS)) {
2035                 intel_pmu_disable_bts();
2036                 intel_pmu_drain_bts_buffer();
2037                 return;
2038         }
2039
2040         cpuc->intel_ctrl_guest_mask &= ~(1ull << hwc->idx);
2041         cpuc->intel_ctrl_host_mask &= ~(1ull << hwc->idx);
2042         cpuc->intel_cp_status &= ~(1ull << hwc->idx);
2043
2044         if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) {
2045                 intel_pmu_disable_fixed(hwc);
2046                 return;
2047         }
2048
2049         x86_pmu_disable_event(event);
2050
2051         if (unlikely(event->attr.precise_ip))
2052                 intel_pmu_pebs_disable(event);
2053 }
2054
2055 static void intel_pmu_del_event(struct perf_event *event)
2056 {
2057         if (needs_branch_stack(event))
2058                 intel_pmu_lbr_del(event);
2059         if (event->attr.precise_ip)
2060                 intel_pmu_pebs_del(event);
2061 }
2062
2063 static void intel_pmu_enable_fixed(struct hw_perf_event *hwc)
2064 {
2065         int idx = hwc->idx - INTEL_PMC_IDX_FIXED;
2066         u64 ctrl_val, bits, mask;
2067
2068         /*
2069          * Enable IRQ generation (0x8),
2070          * and enable ring-3 counting (0x2) and ring-0 counting (0x1)
2071          * if requested:
2072          */
2073         bits = 0x8ULL;
2074         if (hwc->config & ARCH_PERFMON_EVENTSEL_USR)
2075                 bits |= 0x2;
2076         if (hwc->config & ARCH_PERFMON_EVENTSEL_OS)
2077                 bits |= 0x1;
2078
2079         /*
2080          * ANY bit is supported in v3 and up
2081          */
2082         if (x86_pmu.version > 2 && hwc->config & ARCH_PERFMON_EVENTSEL_ANY)
2083                 bits |= 0x4;
2084
2085         bits <<= (idx * 4);
2086         mask = 0xfULL << (idx * 4);
2087
2088         rdmsrl(hwc->config_base, ctrl_val);
2089         ctrl_val &= ~mask;
2090         ctrl_val |= bits;
2091         wrmsrl(hwc->config_base, ctrl_val);
2092 }
2093
2094 static void intel_pmu_enable_event(struct perf_event *event)
2095 {
2096         struct hw_perf_event *hwc = &event->hw;
2097         struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2098
2099         if (unlikely(hwc->idx == INTEL_PMC_IDX_FIXED_BTS)) {
2100                 if (!__this_cpu_read(cpu_hw_events.enabled))
2101                         return;
2102
2103                 intel_pmu_enable_bts(hwc->config);
2104                 return;
2105         }
2106
2107         if (event->attr.exclude_host)
2108                 cpuc->intel_ctrl_guest_mask |= (1ull << hwc->idx);
2109         if (event->attr.exclude_guest)
2110                 cpuc->intel_ctrl_host_mask |= (1ull << hwc->idx);
2111
2112         if (unlikely(event_is_checkpointed(event)))
2113                 cpuc->intel_cp_status |= (1ull << hwc->idx);
2114
2115         if (unlikely(hwc->config_base == MSR_ARCH_PERFMON_FIXED_CTR_CTRL)) {
2116                 intel_pmu_enable_fixed(hwc);
2117                 return;
2118         }
2119
2120         if (unlikely(event->attr.precise_ip))
2121                 intel_pmu_pebs_enable(event);
2122
2123         __x86_pmu_enable_event(hwc, ARCH_PERFMON_EVENTSEL_ENABLE);
2124 }
2125
2126 static void intel_pmu_add_event(struct perf_event *event)
2127 {
2128         if (event->attr.precise_ip)
2129                 intel_pmu_pebs_add(event);
2130         if (needs_branch_stack(event))
2131                 intel_pmu_lbr_add(event);
2132 }
2133
2134 /*
2135  * Save and restart an expired event. Called by NMI contexts,
2136  * so it has to be careful about preempting normal event ops:
2137  */
2138 int intel_pmu_save_and_restart(struct perf_event *event)
2139 {
2140         x86_perf_event_update(event);
2141         /*
2142          * For a checkpointed counter always reset back to 0.  This
2143          * avoids a situation where the counter overflows, aborts the
2144          * transaction and is then set back to shortly before the
2145          * overflow, and overflows and aborts again.
2146          */
2147         if (unlikely(event_is_checkpointed(event))) {
2148                 /* No race with NMIs because the counter should not be armed */
2149                 wrmsrl(event->hw.event_base, 0);
2150                 local64_set(&event->hw.prev_count, 0);
2151         }
2152         return x86_perf_event_set_period(event);
2153 }
2154
2155 static void intel_pmu_reset(void)
2156 {
2157         struct debug_store *ds = __this_cpu_read(cpu_hw_events.ds);
2158         unsigned long flags;
2159         int idx;
2160
2161         if (!x86_pmu.num_counters)
2162                 return;
2163
2164         local_irq_save(flags);
2165
2166         pr_info("clearing PMU state on CPU#%d\n", smp_processor_id());
2167
2168         for (idx = 0; idx < x86_pmu.num_counters; idx++) {
2169                 wrmsrl_safe(x86_pmu_config_addr(idx), 0ull);
2170                 wrmsrl_safe(x86_pmu_event_addr(idx),  0ull);
2171         }
2172         for (idx = 0; idx < x86_pmu.num_counters_fixed; idx++)
2173                 wrmsrl_safe(MSR_ARCH_PERFMON_FIXED_CTR0 + idx, 0ull);
2174
2175         if (ds)
2176                 ds->bts_index = ds->bts_buffer_base;
2177
2178         /* Ack all overflows and disable fixed counters */
2179         if (x86_pmu.version >= 2) {
2180                 intel_pmu_ack_status(intel_pmu_get_status());
2181                 wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0);
2182         }
2183
2184         /* Reset LBRs and LBR freezing */
2185         if (x86_pmu.lbr_nr) {
2186                 update_debugctlmsr(get_debugctlmsr() &
2187                         ~(DEBUGCTLMSR_FREEZE_LBRS_ON_PMI|DEBUGCTLMSR_LBR));
2188         }
2189
2190         local_irq_restore(flags);
2191 }
2192
2193 /*
2194  * This handler is triggered by the local APIC, so the APIC IRQ handling
2195  * rules apply:
2196  */
2197 static int intel_pmu_handle_irq(struct pt_regs *regs)
2198 {
2199         struct perf_sample_data data;
2200         struct cpu_hw_events *cpuc;
2201         int bit, loops;
2202         u64 status;
2203         int handled;
2204
2205         cpuc = this_cpu_ptr(&cpu_hw_events);
2206
2207         /*
2208          * No known reason to not always do late ACK,
2209          * but just in case do it opt-in.
2210          */
2211         if (!x86_pmu.late_ack)
2212                 apic_write(APIC_LVTPC, APIC_DM_NMI);
2213         intel_bts_disable_local();
2214         __intel_pmu_disable_all();
2215         handled = intel_pmu_drain_bts_buffer();
2216         handled += intel_bts_interrupt();
2217         status = intel_pmu_get_status();
2218         if (!status)
2219                 goto done;
2220
2221         loops = 0;
2222 again:
2223         intel_pmu_lbr_read();
2224         intel_pmu_ack_status(status);
2225         if (++loops > 100) {
2226                 static bool warned = false;
2227                 if (!warned) {
2228                         WARN(1, "perfevents: irq loop stuck!\n");
2229                         perf_event_print_debug();
2230                         warned = true;
2231                 }
2232                 intel_pmu_reset();
2233                 goto done;
2234         }
2235
2236         inc_irq_stat(apic_perf_irqs);
2237
2238
2239         /*
2240          * Ignore a range of extra bits in status that do not indicate
2241          * overflow by themselves.
2242          */
2243         status &= ~(GLOBAL_STATUS_COND_CHG |
2244                     GLOBAL_STATUS_ASIF |
2245                     GLOBAL_STATUS_LBRS_FROZEN);
2246         if (!status)
2247                 goto done;
2248         /*
2249          * In case multiple PEBS events are sampled at the same time,
2250          * it is possible to have GLOBAL_STATUS bit 62 set indicating
2251          * PEBS buffer overflow and also seeing at most 3 PEBS counters
2252          * having their bits set in the status register. This is a sign
2253          * that there was at least one PEBS record pending at the time
2254          * of the PMU interrupt. PEBS counters must only be processed
2255          * via the drain_pebs() calls and not via the regular sample
2256          * processing loop coming after that the function, otherwise
2257          * phony regular samples may be generated in the sampling buffer
2258          * not marked with the EXACT tag. Another possibility is to have
2259          * one PEBS event and at least one non-PEBS event whic hoverflows
2260          * while PEBS has armed. In this case, bit 62 of GLOBAL_STATUS will
2261          * not be set, yet the overflow status bit for the PEBS counter will
2262          * be on Skylake.
2263          *
2264          * To avoid this problem, we systematically ignore the PEBS-enabled
2265          * counters from the GLOBAL_STATUS mask and we always process PEBS
2266          * events via drain_pebs().
2267          */
2268         status &= ~(cpuc->pebs_enabled & PEBS_COUNTER_MASK);
2269
2270         /*
2271          * PEBS overflow sets bit 62 in the global status register
2272          */
2273         if (__test_and_clear_bit(62, (unsigned long *)&status)) {
2274                 handled++;
2275                 x86_pmu.drain_pebs(regs);
2276                 status &= x86_pmu.intel_ctrl | GLOBAL_STATUS_TRACE_TOPAPMI;
2277         }
2278
2279         /*
2280          * Intel PT
2281          */
2282         if (__test_and_clear_bit(55, (unsigned long *)&status)) {
2283                 handled++;
2284                 intel_pt_interrupt();
2285         }
2286
2287         /*
2288          * Checkpointed counters can lead to 'spurious' PMIs because the
2289          * rollback caused by the PMI will have cleared the overflow status
2290          * bit. Therefore always force probe these counters.
2291          */
2292         status |= cpuc->intel_cp_status;
2293
2294         for_each_set_bit(bit, (unsigned long *)&status, X86_PMC_IDX_MAX) {
2295                 struct perf_event *event = cpuc->events[bit];
2296
2297                 handled++;
2298
2299                 if (!test_bit(bit, cpuc->active_mask))
2300                         continue;
2301
2302                 if (!intel_pmu_save_and_restart(event))
2303                         continue;
2304
2305                 perf_sample_data_init(&data, 0, event->hw.last_period);
2306
2307                 if (has_branch_stack(event))
2308                         data.br_stack = &cpuc->lbr_stack;
2309
2310                 if (perf_event_overflow(event, &data, regs))
2311                         x86_pmu_stop(event, 0);
2312         }
2313
2314         /*
2315          * Repeat if there is more work to be done:
2316          */
2317         status = intel_pmu_get_status();
2318         if (status)
2319                 goto again;
2320
2321 done:
2322         /* Only restore PMU state when it's active. See x86_pmu_disable(). */
2323         if (cpuc->enabled)
2324                 __intel_pmu_enable_all(0, true);
2325         intel_bts_enable_local();
2326
2327         /*
2328          * Only unmask the NMI after the overflow counters
2329          * have been reset. This avoids spurious NMIs on
2330          * Haswell CPUs.
2331          */
2332         if (x86_pmu.late_ack)
2333                 apic_write(APIC_LVTPC, APIC_DM_NMI);
2334         return handled;
2335 }
2336
2337 static struct event_constraint *
2338 intel_bts_constraints(struct perf_event *event)
2339 {
2340         struct hw_perf_event *hwc = &event->hw;
2341         unsigned int hw_event, bts_event;
2342
2343         if (event->attr.freq)
2344                 return NULL;
2345
2346         hw_event = hwc->config & INTEL_ARCH_EVENT_MASK;
2347         bts_event = x86_pmu.event_map(PERF_COUNT_HW_BRANCH_INSTRUCTIONS);
2348
2349         if (unlikely(hw_event == bts_event && hwc->sample_period == 1))
2350                 return &bts_constraint;
2351
2352         return NULL;
2353 }
2354
2355 static int intel_alt_er(int idx, u64 config)
2356 {
2357         int alt_idx = idx;
2358
2359         if (!(x86_pmu.flags & PMU_FL_HAS_RSP_1))
2360                 return idx;
2361
2362         if (idx == EXTRA_REG_RSP_0)
2363                 alt_idx = EXTRA_REG_RSP_1;
2364
2365         if (idx == EXTRA_REG_RSP_1)
2366                 alt_idx = EXTRA_REG_RSP_0;
2367
2368         if (config & ~x86_pmu.extra_regs[alt_idx].valid_mask)
2369                 return idx;
2370
2371         return alt_idx;
2372 }
2373
2374 static void intel_fixup_er(struct perf_event *event, int idx)
2375 {
2376         event->hw.extra_reg.idx = idx;
2377
2378         if (idx == EXTRA_REG_RSP_0) {
2379                 event->hw.config &= ~INTEL_ARCH_EVENT_MASK;
2380                 event->hw.config |= x86_pmu.extra_regs[EXTRA_REG_RSP_0].event;
2381                 event->hw.extra_reg.reg = MSR_OFFCORE_RSP_0;
2382         } else if (idx == EXTRA_REG_RSP_1) {
2383                 event->hw.config &= ~INTEL_ARCH_EVENT_MASK;
2384                 event->hw.config |= x86_pmu.extra_regs[EXTRA_REG_RSP_1].event;
2385                 event->hw.extra_reg.reg = MSR_OFFCORE_RSP_1;
2386         }
2387 }
2388
2389 /*
2390  * manage allocation of shared extra msr for certain events
2391  *
2392  * sharing can be:
2393  * per-cpu: to be shared between the various events on a single PMU
2394  * per-core: per-cpu + shared by HT threads
2395  */
2396 static struct event_constraint *
2397 __intel_shared_reg_get_constraints(struct cpu_hw_events *cpuc,
2398                                    struct perf_event *event,
2399                                    struct hw_perf_event_extra *reg)
2400 {
2401         struct event_constraint *c = &emptyconstraint;
2402         struct er_account *era;
2403         unsigned long flags;
2404         int idx = reg->idx;
2405
2406         /*
2407          * reg->alloc can be set due to existing state, so for fake cpuc we
2408          * need to ignore this, otherwise we might fail to allocate proper fake
2409          * state for this extra reg constraint. Also see the comment below.
2410          */
2411         if (reg->alloc && !cpuc->is_fake)
2412                 return NULL; /* call x86_get_event_constraint() */
2413
2414 again:
2415         era = &cpuc->shared_regs->regs[idx];
2416         /*
2417          * we use spin_lock_irqsave() to avoid lockdep issues when
2418          * passing a fake cpuc
2419          */
2420         raw_spin_lock_irqsave(&era->lock, flags);
2421
2422         if (!atomic_read(&era->ref) || era->config == reg->config) {
2423
2424                 /*
2425                  * If its a fake cpuc -- as per validate_{group,event}() we
2426                  * shouldn't touch event state and we can avoid doing so
2427                  * since both will only call get_event_constraints() once
2428                  * on each event, this avoids the need for reg->alloc.
2429                  *
2430                  * Not doing the ER fixup will only result in era->reg being
2431                  * wrong, but since we won't actually try and program hardware
2432                  * this isn't a problem either.
2433                  */
2434                 if (!cpuc->is_fake) {
2435                         if (idx != reg->idx)
2436                                 intel_fixup_er(event, idx);
2437
2438                         /*
2439                          * x86_schedule_events() can call get_event_constraints()
2440                          * multiple times on events in the case of incremental
2441                          * scheduling(). reg->alloc ensures we only do the ER
2442                          * allocation once.
2443                          */
2444                         reg->alloc = 1;
2445                 }
2446
2447                 /* lock in msr value */
2448                 era->config = reg->config;
2449                 era->reg = reg->reg;
2450
2451                 /* one more user */
2452                 atomic_inc(&era->ref);
2453
2454                 /*
2455                  * need to call x86_get_event_constraint()
2456                  * to check if associated event has constraints
2457                  */
2458                 c = NULL;
2459         } else {
2460                 idx = intel_alt_er(idx, reg->config);
2461                 if (idx != reg->idx) {
2462                         raw_spin_unlock_irqrestore(&era->lock, flags);
2463                         goto again;
2464                 }
2465         }
2466         raw_spin_unlock_irqrestore(&era->lock, flags);
2467
2468         return c;
2469 }
2470
2471 static void
2472 __intel_shared_reg_put_constraints(struct cpu_hw_events *cpuc,
2473                                    struct hw_perf_event_extra *reg)
2474 {
2475         struct er_account *era;
2476
2477         /*
2478          * Only put constraint if extra reg was actually allocated. Also takes
2479          * care of event which do not use an extra shared reg.
2480          *
2481          * Also, if this is a fake cpuc we shouldn't touch any event state
2482          * (reg->alloc) and we don't care about leaving inconsistent cpuc state
2483          * either since it'll be thrown out.
2484          */
2485         if (!reg->alloc || cpuc->is_fake)
2486                 return;
2487
2488         era = &cpuc->shared_regs->regs[reg->idx];
2489
2490         /* one fewer user */
2491         atomic_dec(&era->ref);
2492
2493         /* allocate again next time */
2494         reg->alloc = 0;
2495 }
2496
2497 static struct event_constraint *
2498 intel_shared_regs_constraints(struct cpu_hw_events *cpuc,
2499                               struct perf_event *event)
2500 {
2501         struct event_constraint *c = NULL, *d;
2502         struct hw_perf_event_extra *xreg, *breg;
2503
2504         xreg = &event->hw.extra_reg;
2505         if (xreg->idx != EXTRA_REG_NONE) {
2506                 c = __intel_shared_reg_get_constraints(cpuc, event, xreg);
2507                 if (c == &emptyconstraint)
2508                         return c;
2509         }
2510         breg = &event->hw.branch_reg;
2511         if (breg->idx != EXTRA_REG_NONE) {
2512                 d = __intel_shared_reg_get_constraints(cpuc, event, breg);
2513                 if (d == &emptyconstraint) {
2514                         __intel_shared_reg_put_constraints(cpuc, xreg);
2515                         c = d;
2516                 }
2517         }
2518         return c;
2519 }
2520
2521 struct event_constraint *
2522 x86_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
2523                           struct perf_event *event)
2524 {
2525         struct event_constraint *c;
2526
2527         if (x86_pmu.event_constraints) {
2528                 for_each_event_constraint(c, x86_pmu.event_constraints) {
2529                         if ((event->hw.config & c->cmask) == c->code) {
2530                                 event->hw.flags |= c->flags;
2531                                 return c;
2532                         }
2533                 }
2534         }
2535
2536         return &unconstrained;
2537 }
2538
2539 static struct event_constraint *
2540 __intel_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
2541                             struct perf_event *event)
2542 {
2543         struct event_constraint *c;
2544
2545         c = intel_bts_constraints(event);
2546         if (c)
2547                 return c;
2548
2549         c = intel_shared_regs_constraints(cpuc, event);
2550         if (c)
2551                 return c;
2552
2553         c = intel_pebs_constraints(event);
2554         if (c)
2555                 return c;
2556
2557         return x86_get_event_constraints(cpuc, idx, event);
2558 }
2559
2560 static void
2561 intel_start_scheduling(struct cpu_hw_events *cpuc)
2562 {
2563         struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs;
2564         struct intel_excl_states *xl;
2565         int tid = cpuc->excl_thread_id;
2566
2567         /*
2568          * nothing needed if in group validation mode
2569          */
2570         if (cpuc->is_fake || !is_ht_workaround_enabled())
2571                 return;
2572
2573         /*
2574          * no exclusion needed
2575          */
2576         if (WARN_ON_ONCE(!excl_cntrs))
2577                 return;
2578
2579         xl = &excl_cntrs->states[tid];
2580
2581         xl->sched_started = true;
2582         /*
2583          * lock shared state until we are done scheduling
2584          * in stop_event_scheduling()
2585          * makes scheduling appear as a transaction
2586          */
2587         raw_spin_lock(&excl_cntrs->lock);
2588 }
2589
2590 static void intel_commit_scheduling(struct cpu_hw_events *cpuc, int idx, int cntr)
2591 {
2592         struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs;
2593         struct event_constraint *c = cpuc->event_constraint[idx];
2594         struct intel_excl_states *xl;
2595         int tid = cpuc->excl_thread_id;
2596
2597         if (cpuc->is_fake || !is_ht_workaround_enabled())
2598                 return;
2599
2600         if (WARN_ON_ONCE(!excl_cntrs))
2601                 return;
2602
2603         if (!(c->flags & PERF_X86_EVENT_DYNAMIC))
2604                 return;
2605
2606         xl = &excl_cntrs->states[tid];
2607
2608         lockdep_assert_held(&excl_cntrs->lock);
2609
2610         if (c->flags & PERF_X86_EVENT_EXCL)
2611                 xl->state[cntr] = INTEL_EXCL_EXCLUSIVE;
2612         else
2613                 xl->state[cntr] = INTEL_EXCL_SHARED;
2614 }
2615
2616 static void
2617 intel_stop_scheduling(struct cpu_hw_events *cpuc)
2618 {
2619         struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs;
2620         struct intel_excl_states *xl;
2621         int tid = cpuc->excl_thread_id;
2622
2623         /*
2624          * nothing needed if in group validation mode
2625          */
2626         if (cpuc->is_fake || !is_ht_workaround_enabled())
2627                 return;
2628         /*
2629          * no exclusion needed
2630          */
2631         if (WARN_ON_ONCE(!excl_cntrs))
2632                 return;
2633
2634         xl = &excl_cntrs->states[tid];
2635
2636         xl->sched_started = false;
2637         /*
2638          * release shared state lock (acquired in intel_start_scheduling())
2639          */
2640         raw_spin_unlock(&excl_cntrs->lock);
2641 }
2642
2643 static struct event_constraint *
2644 intel_get_excl_constraints(struct cpu_hw_events *cpuc, struct perf_event *event,
2645                            int idx, struct event_constraint *c)
2646 {
2647         struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs;
2648         struct intel_excl_states *xlo;
2649         int tid = cpuc->excl_thread_id;
2650         int is_excl, i;
2651
2652         /*
2653          * validating a group does not require
2654          * enforcing cross-thread  exclusion
2655          */
2656         if (cpuc->is_fake || !is_ht_workaround_enabled())
2657                 return c;
2658
2659         /*
2660          * no exclusion needed
2661          */
2662         if (WARN_ON_ONCE(!excl_cntrs))
2663                 return c;
2664
2665         /*
2666          * because we modify the constraint, we need
2667          * to make a copy. Static constraints come
2668          * from static const tables.
2669          *
2670          * only needed when constraint has not yet
2671          * been cloned (marked dynamic)
2672          */
2673         if (!(c->flags & PERF_X86_EVENT_DYNAMIC)) {
2674                 struct event_constraint *cx;
2675
2676                 /*
2677                  * grab pre-allocated constraint entry
2678                  */
2679                 cx = &cpuc->constraint_list[idx];
2680
2681                 /*
2682                  * initialize dynamic constraint
2683                  * with static constraint
2684                  */
2685                 *cx = *c;
2686
2687                 /*
2688                  * mark constraint as dynamic, so we
2689                  * can free it later on
2690                  */
2691                 cx->flags |= PERF_X86_EVENT_DYNAMIC;
2692                 c = cx;
2693         }
2694
2695         /*
2696          * From here on, the constraint is dynamic.
2697          * Either it was just allocated above, or it
2698          * was allocated during a earlier invocation
2699          * of this function
2700          */
2701
2702         /*
2703          * state of sibling HT
2704          */
2705         xlo = &excl_cntrs->states[tid ^ 1];
2706
2707         /*
2708          * event requires exclusive counter access
2709          * across HT threads
2710          */
2711         is_excl = c->flags & PERF_X86_EVENT_EXCL;
2712         if (is_excl && !(event->hw.flags & PERF_X86_EVENT_EXCL_ACCT)) {
2713                 event->hw.flags |= PERF_X86_EVENT_EXCL_ACCT;
2714                 if (!cpuc->n_excl++)
2715                         WRITE_ONCE(excl_cntrs->has_exclusive[tid], 1);
2716         }
2717
2718         /*
2719          * Modify static constraint with current dynamic
2720          * state of thread
2721          *
2722          * EXCLUSIVE: sibling counter measuring exclusive event
2723          * SHARED   : sibling counter measuring non-exclusive event
2724          * UNUSED   : sibling counter unused
2725          */
2726         for_each_set_bit(i, c->idxmsk, X86_PMC_IDX_MAX) {
2727                 /*
2728                  * exclusive event in sibling counter
2729                  * our corresponding counter cannot be used
2730                  * regardless of our event
2731                  */
2732                 if (xlo->state[i] == INTEL_EXCL_EXCLUSIVE)
2733                         __clear_bit(i, c->idxmsk);
2734                 /*
2735                  * if measuring an exclusive event, sibling
2736                  * measuring non-exclusive, then counter cannot
2737                  * be used
2738                  */
2739                 if (is_excl && xlo->state[i] == INTEL_EXCL_SHARED)
2740                         __clear_bit(i, c->idxmsk);
2741         }
2742
2743         /*
2744          * recompute actual bit weight for scheduling algorithm
2745          */
2746         c->weight = hweight64(c->idxmsk64);
2747
2748         /*
2749          * if we return an empty mask, then switch
2750          * back to static empty constraint to avoid
2751          * the cost of freeing later on
2752          */
2753         if (c->weight == 0)
2754                 c = &emptyconstraint;
2755
2756         return c;
2757 }
2758
2759 static struct event_constraint *
2760 intel_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
2761                             struct perf_event *event)
2762 {
2763         struct event_constraint *c1 = NULL;
2764         struct event_constraint *c2;
2765
2766         if (idx >= 0) /* fake does < 0 */
2767                 c1 = cpuc->event_constraint[idx];
2768
2769         /*
2770          * first time only
2771          * - static constraint: no change across incremental scheduling calls
2772          * - dynamic constraint: handled by intel_get_excl_constraints()
2773          */
2774         c2 = __intel_get_event_constraints(cpuc, idx, event);
2775         if (c1 && (c1->flags & PERF_X86_EVENT_DYNAMIC)) {
2776                 bitmap_copy(c1->idxmsk, c2->idxmsk, X86_PMC_IDX_MAX);
2777                 c1->weight = c2->weight;
2778                 c2 = c1;
2779         }
2780
2781         if (cpuc->excl_cntrs)
2782                 return intel_get_excl_constraints(cpuc, event, idx, c2);
2783
2784         return c2;
2785 }
2786
2787 static void intel_put_excl_constraints(struct cpu_hw_events *cpuc,
2788                 struct perf_event *event)
2789 {
2790         struct hw_perf_event *hwc = &event->hw;
2791         struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs;
2792         int tid = cpuc->excl_thread_id;
2793         struct intel_excl_states *xl;
2794
2795         /*
2796          * nothing needed if in group validation mode
2797          */
2798         if (cpuc->is_fake)
2799                 return;
2800
2801         if (WARN_ON_ONCE(!excl_cntrs))
2802                 return;
2803
2804         if (hwc->flags & PERF_X86_EVENT_EXCL_ACCT) {
2805                 hwc->flags &= ~PERF_X86_EVENT_EXCL_ACCT;
2806                 if (!--cpuc->n_excl)
2807                         WRITE_ONCE(excl_cntrs->has_exclusive[tid], 0);
2808         }
2809
2810         /*
2811          * If event was actually assigned, then mark the counter state as
2812          * unused now.
2813          */
2814         if (hwc->idx >= 0) {
2815                 xl = &excl_cntrs->states[tid];
2816
2817                 /*
2818                  * put_constraint may be called from x86_schedule_events()
2819                  * which already has the lock held so here make locking
2820                  * conditional.
2821                  */
2822                 if (!xl->sched_started)
2823                         raw_spin_lock(&excl_cntrs->lock);
2824
2825                 xl->state[hwc->idx] = INTEL_EXCL_UNUSED;
2826
2827                 if (!xl->sched_started)
2828                         raw_spin_unlock(&excl_cntrs->lock);
2829         }
2830 }
2831
2832 static void
2833 intel_put_shared_regs_event_constraints(struct cpu_hw_events *cpuc,
2834                                         struct perf_event *event)
2835 {
2836         struct hw_perf_event_extra *reg;
2837
2838         reg = &event->hw.extra_reg;
2839         if (reg->idx != EXTRA_REG_NONE)
2840                 __intel_shared_reg_put_constraints(cpuc, reg);
2841
2842         reg = &event->hw.branch_reg;
2843         if (reg->idx != EXTRA_REG_NONE)
2844                 __intel_shared_reg_put_constraints(cpuc, reg);
2845 }
2846
2847 static void intel_put_event_constraints(struct cpu_hw_events *cpuc,
2848                                         struct perf_event *event)
2849 {
2850         intel_put_shared_regs_event_constraints(cpuc, event);
2851
2852         /*
2853          * is PMU has exclusive counter restrictions, then
2854          * all events are subject to and must call the
2855          * put_excl_constraints() routine
2856          */
2857         if (cpuc->excl_cntrs)
2858                 intel_put_excl_constraints(cpuc, event);
2859 }
2860
2861 static void intel_pebs_aliases_core2(struct perf_event *event)
2862 {
2863         if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) {
2864                 /*
2865                  * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P
2866                  * (0x003c) so that we can use it with PEBS.
2867                  *
2868                  * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't
2869                  * PEBS capable. However we can use INST_RETIRED.ANY_P
2870                  * (0x00c0), which is a PEBS capable event, to get the same
2871                  * count.
2872                  *
2873                  * INST_RETIRED.ANY_P counts the number of cycles that retires
2874                  * CNTMASK instructions. By setting CNTMASK to a value (16)
2875                  * larger than the maximum number of instructions that can be
2876                  * retired per cycle (4) and then inverting the condition, we
2877                  * count all cycles that retire 16 or less instructions, which
2878                  * is every cycle.
2879                  *
2880                  * Thereby we gain a PEBS capable cycle counter.
2881                  */
2882                 u64 alt_config = X86_CONFIG(.event=0xc0, .inv=1, .cmask=16);
2883
2884                 alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK);
2885                 event->hw.config = alt_config;
2886         }
2887 }
2888
2889 static void intel_pebs_aliases_snb(struct perf_event *event)
2890 {
2891         if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) {
2892                 /*
2893                  * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P
2894                  * (0x003c) so that we can use it with PEBS.
2895                  *
2896                  * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't
2897                  * PEBS capable. However we can use UOPS_RETIRED.ALL
2898                  * (0x01c2), which is a PEBS capable event, to get the same
2899                  * count.
2900                  *
2901                  * UOPS_RETIRED.ALL counts the number of cycles that retires
2902                  * CNTMASK micro-ops. By setting CNTMASK to a value (16)
2903                  * larger than the maximum number of micro-ops that can be
2904                  * retired per cycle (4) and then inverting the condition, we
2905                  * count all cycles that retire 16 or less micro-ops, which
2906                  * is every cycle.
2907                  *
2908                  * Thereby we gain a PEBS capable cycle counter.
2909                  */
2910                 u64 alt_config = X86_CONFIG(.event=0xc2, .umask=0x01, .inv=1, .cmask=16);
2911
2912                 alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK);
2913                 event->hw.config = alt_config;
2914         }
2915 }
2916
2917 static void intel_pebs_aliases_precdist(struct perf_event *event)
2918 {
2919         if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) {
2920                 /*
2921                  * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P
2922                  * (0x003c) so that we can use it with PEBS.
2923                  *
2924                  * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't
2925                  * PEBS capable. However we can use INST_RETIRED.PREC_DIST
2926                  * (0x01c0), which is a PEBS capable event, to get the same
2927                  * count.
2928                  *
2929                  * The PREC_DIST event has special support to minimize sample
2930                  * shadowing effects. One drawback is that it can be
2931                  * only programmed on counter 1, but that seems like an
2932                  * acceptable trade off.
2933                  */
2934                 u64 alt_config = X86_CONFIG(.event=0xc0, .umask=0x01, .inv=1, .cmask=16);
2935
2936                 alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK);
2937                 event->hw.config = alt_config;
2938         }
2939 }
2940
2941 static void intel_pebs_aliases_ivb(struct perf_event *event)
2942 {
2943         if (event->attr.precise_ip < 3)
2944                 return intel_pebs_aliases_snb(event);
2945         return intel_pebs_aliases_precdist(event);
2946 }
2947
2948 static void intel_pebs_aliases_skl(struct perf_event *event)
2949 {
2950         if (event->attr.precise_ip < 3)
2951                 return intel_pebs_aliases_core2(event);
2952         return intel_pebs_aliases_precdist(event);
2953 }
2954
2955 static unsigned long intel_pmu_free_running_flags(struct perf_event *event)
2956 {
2957         unsigned long flags = x86_pmu.free_running_flags;
2958
2959         if (event->attr.use_clockid)
2960                 flags &= ~PERF_SAMPLE_TIME;
2961         if (!event->attr.exclude_kernel)
2962                 flags &= ~PERF_SAMPLE_REGS_USER;
2963         if (event->attr.sample_regs_user & ~PEBS_REGS)
2964                 flags &= ~(PERF_SAMPLE_REGS_USER | PERF_SAMPLE_REGS_INTR);
2965         return flags;
2966 }
2967
2968 static int intel_pmu_hw_config(struct perf_event *event)
2969 {
2970         int ret = x86_pmu_hw_config(event);
2971
2972         if (ret)
2973                 return ret;
2974
2975         if (event->attr.precise_ip) {
2976                 if (!event->attr.freq) {
2977                         event->hw.flags |= PERF_X86_EVENT_AUTO_RELOAD;
2978                         if (!(event->attr.sample_type &
2979                               ~intel_pmu_free_running_flags(event)))
2980                                 event->hw.flags |= PERF_X86_EVENT_FREERUNNING;
2981                 }
2982                 if (x86_pmu.pebs_aliases)
2983                         x86_pmu.pebs_aliases(event);
2984         }
2985
2986         if (needs_branch_stack(event)) {
2987                 ret = intel_pmu_setup_lbr_filter(event);
2988                 if (ret)
2989                         return ret;
2990
2991                 /*
2992                  * BTS is set up earlier in this path, so don't account twice
2993                  */
2994                 if (!intel_pmu_has_bts(event)) {
2995                         /* disallow lbr if conflicting events are present */
2996                         if (x86_add_exclusive(x86_lbr_exclusive_lbr))
2997                                 return -EBUSY;
2998
2999                         event->destroy = hw_perf_lbr_event_destroy;
3000                 }
3001         }
3002
3003         if (event->attr.type != PERF_TYPE_RAW)
3004                 return 0;
3005
3006         if (!(event->attr.config & ARCH_PERFMON_EVENTSEL_ANY))
3007                 return 0;
3008
3009         if (x86_pmu.version < 3)
3010                 return -EINVAL;
3011
3012         if (perf_paranoid_cpu() && !capable(CAP_SYS_ADMIN))
3013                 return -EACCES;
3014
3015         event->hw.config |= ARCH_PERFMON_EVENTSEL_ANY;
3016
3017         return 0;
3018 }
3019
3020 struct perf_guest_switch_msr *perf_guest_get_msrs(int *nr)
3021 {
3022         if (x86_pmu.guest_get_msrs)
3023                 return x86_pmu.guest_get_msrs(nr);
3024         *nr = 0;
3025         return NULL;
3026 }
3027 EXPORT_SYMBOL_GPL(perf_guest_get_msrs);
3028
3029 static struct perf_guest_switch_msr *intel_guest_get_msrs(int *nr)
3030 {
3031         struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
3032         struct perf_guest_switch_msr *arr = cpuc->guest_switch_msrs;
3033
3034         arr[0].msr = MSR_CORE_PERF_GLOBAL_CTRL;
3035         arr[0].host = x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_guest_mask;
3036         arr[0].guest = x86_pmu.intel_ctrl & ~cpuc->intel_ctrl_host_mask;
3037         /*
3038          * If PMU counter has PEBS enabled it is not enough to disable counter
3039          * on a guest entry since PEBS memory write can overshoot guest entry
3040          * and corrupt guest memory. Disabling PEBS solves the problem.
3041          */
3042         arr[1].msr = MSR_IA32_PEBS_ENABLE;
3043         arr[1].host = cpuc->pebs_enabled;
3044         arr[1].guest = 0;
3045
3046         *nr = 2;
3047         return arr;
3048 }
3049
3050 static struct perf_guest_switch_msr *core_guest_get_msrs(int *nr)
3051 {
3052         struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
3053         struct perf_guest_switch_msr *arr = cpuc->guest_switch_msrs;
3054         int idx;
3055
3056         for (idx = 0; idx < x86_pmu.num_counters; idx++)  {
3057                 struct perf_event *event = cpuc->events[idx];
3058
3059                 arr[idx].msr = x86_pmu_config_addr(idx);
3060                 arr[idx].host = arr[idx].guest = 0;
3061
3062                 if (!test_bit(idx, cpuc->active_mask))
3063                         continue;
3064
3065                 arr[idx].host = arr[idx].guest =
3066                         event->hw.config | ARCH_PERFMON_EVENTSEL_ENABLE;
3067
3068                 if (event->attr.exclude_host)
3069                         arr[idx].host &= ~ARCH_PERFMON_EVENTSEL_ENABLE;
3070                 else if (event->attr.exclude_guest)
3071                         arr[idx].guest &= ~ARCH_PERFMON_EVENTSEL_ENABLE;
3072         }
3073
3074         *nr = x86_pmu.num_counters;
3075         return arr;
3076 }
3077
3078 static void core_pmu_enable_event(struct perf_event *event)
3079 {
3080         if (!event->attr.exclude_host)
3081                 x86_pmu_enable_event(event);
3082 }
3083
3084 static void core_pmu_enable_all(int added)
3085 {
3086         struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
3087         int idx;
3088
3089         for (idx = 0; idx < x86_pmu.num_counters; idx++) {
3090                 struct hw_perf_event *hwc = &cpuc->events[idx]->hw;
3091
3092                 if (!test_bit(idx, cpuc->active_mask) ||
3093                                 cpuc->events[idx]->attr.exclude_host)
3094                         continue;
3095
3096                 __x86_pmu_enable_event(hwc, ARCH_PERFMON_EVENTSEL_ENABLE);
3097         }
3098 }
3099
3100 static int hsw_hw_config(struct perf_event *event)
3101 {
3102         int ret = intel_pmu_hw_config(event);
3103
3104         if (ret)
3105                 return ret;
3106         if (!boot_cpu_has(X86_FEATURE_RTM) && !boot_cpu_has(X86_FEATURE_HLE))
3107                 return 0;
3108         event->hw.config |= event->attr.config & (HSW_IN_TX|HSW_IN_TX_CHECKPOINTED);
3109
3110         /*
3111          * IN_TX/IN_TX-CP filters are not supported by the Haswell PMU with
3112          * PEBS or in ANY thread mode. Since the results are non-sensical forbid
3113          * this combination.
3114          */
3115         if ((event->hw.config & (HSW_IN_TX|HSW_IN_TX_CHECKPOINTED)) &&
3116              ((event->hw.config & ARCH_PERFMON_EVENTSEL_ANY) ||
3117               event->attr.precise_ip > 0))
3118                 return -EOPNOTSUPP;
3119
3120         if (event_is_checkpointed(event)) {
3121                 /*
3122                  * Sampling of checkpointed events can cause situations where
3123                  * the CPU constantly aborts because of a overflow, which is
3124                  * then checkpointed back and ignored. Forbid checkpointing
3125                  * for sampling.
3126                  *
3127                  * But still allow a long sampling period, so that perf stat
3128                  * from KVM works.
3129                  */
3130                 if (event->attr.sample_period > 0 &&
3131                     event->attr.sample_period < 0x7fffffff)
3132                         return -EOPNOTSUPP;
3133         }
3134         return 0;
3135 }
3136
3137 static struct event_constraint counter0_constraint =
3138                         INTEL_ALL_EVENT_CONSTRAINT(0, 0x1);
3139
3140 static struct event_constraint counter2_constraint =
3141                         EVENT_CONSTRAINT(0, 0x4, 0);
3142
3143 static struct event_constraint *
3144 hsw_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
3145                           struct perf_event *event)
3146 {
3147         struct event_constraint *c;
3148
3149         c = intel_get_event_constraints(cpuc, idx, event);
3150
3151         /* Handle special quirk on in_tx_checkpointed only in counter 2 */
3152         if (event->hw.config & HSW_IN_TX_CHECKPOINTED) {
3153                 if (c->idxmsk64 & (1U << 2))
3154                         return &counter2_constraint;
3155                 return &emptyconstraint;
3156         }
3157
3158         return c;
3159 }
3160
3161 static struct event_constraint *
3162 glp_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
3163                           struct perf_event *event)
3164 {
3165         struct event_constraint *c;
3166
3167         /* :ppp means to do reduced skid PEBS which is PMC0 only. */
3168         if (event->attr.precise_ip == 3)
3169                 return &counter0_constraint;
3170
3171         c = intel_get_event_constraints(cpuc, idx, event);
3172
3173         return c;
3174 }
3175
3176 /*
3177  * Broadwell:
3178  *
3179  * The INST_RETIRED.ALL period always needs to have lowest 6 bits cleared
3180  * (BDM55) and it must not use a period smaller than 100 (BDM11). We combine
3181  * the two to enforce a minimum period of 128 (the smallest value that has bits
3182  * 0-5 cleared and >= 100).
3183  *
3184  * Because of how the code in x86_perf_event_set_period() works, the truncation
3185  * of the lower 6 bits is 'harmless' as we'll occasionally add a longer period
3186  * to make up for the 'lost' events due to carrying the 'error' in period_left.
3187  *
3188  * Therefore the effective (average) period matches the requested period,
3189  * despite coarser hardware granularity.
3190  */
3191 static unsigned bdw_limit_period(struct perf_event *event, unsigned left)
3192 {
3193         if ((event->hw.config & INTEL_ARCH_EVENT_MASK) ==
3194                         X86_CONFIG(.event=0xc0, .umask=0x01)) {
3195                 if (left < 128)
3196                         left = 128;
3197                 left &= ~0x3fu;
3198         }
3199         return left;
3200 }
3201
3202 PMU_FORMAT_ATTR(event,  "config:0-7"    );
3203 PMU_FORMAT_ATTR(umask,  "config:8-15"   );
3204 PMU_FORMAT_ATTR(edge,   "config:18"     );
3205 PMU_FORMAT_ATTR(pc,     "config:19"     );
3206 PMU_FORMAT_ATTR(any,    "config:21"     ); /* v3 + */
3207 PMU_FORMAT_ATTR(inv,    "config:23"     );
3208 PMU_FORMAT_ATTR(cmask,  "config:24-31"  );
3209 PMU_FORMAT_ATTR(in_tx,  "config:32");
3210 PMU_FORMAT_ATTR(in_tx_cp, "config:33");
3211
3212 static struct attribute *intel_arch_formats_attr[] = {
3213         &format_attr_event.attr,
3214         &format_attr_umask.attr,
3215         &format_attr_edge.attr,
3216         &format_attr_pc.attr,
3217         &format_attr_inv.attr,
3218         &format_attr_cmask.attr,
3219         NULL,
3220 };
3221
3222 ssize_t intel_event_sysfs_show(char *page, u64 config)
3223 {
3224         u64 event = (config & ARCH_PERFMON_EVENTSEL_EVENT);
3225
3226         return x86_event_sysfs_show(page, config, event);
3227 }
3228
3229 struct intel_shared_regs *allocate_shared_regs(int cpu)
3230 {
3231         struct intel_shared_regs *regs;
3232         int i;
3233
3234         regs = kzalloc_node(sizeof(struct intel_shared_regs),
3235                             GFP_KERNEL, cpu_to_node(cpu));
3236         if (regs) {
3237                 /*
3238                  * initialize the locks to keep lockdep happy
3239                  */
3240                 for (i = 0; i < EXTRA_REG_MAX; i++)
3241                         raw_spin_lock_init(&regs->regs[i].lock);
3242
3243                 regs->core_id = -1;
3244         }
3245         return regs;
3246 }
3247
3248 static struct intel_excl_cntrs *allocate_excl_cntrs(int cpu)
3249 {
3250         struct intel_excl_cntrs *c;
3251
3252         c = kzalloc_node(sizeof(struct intel_excl_cntrs),
3253                          GFP_KERNEL, cpu_to_node(cpu));
3254         if (c) {
3255                 raw_spin_lock_init(&c->lock);
3256                 c->core_id = -1;
3257         }
3258         return c;
3259 }
3260
3261 static int intel_pmu_cpu_prepare(int cpu)
3262 {
3263         struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu);
3264
3265         if (x86_pmu.extra_regs || x86_pmu.lbr_sel_map) {
3266                 cpuc->shared_regs = allocate_shared_regs(cpu);
3267                 if (!cpuc->shared_regs)
3268                         goto err;
3269         }
3270
3271         if (x86_pmu.flags & PMU_FL_EXCL_CNTRS) {
3272                 size_t sz = X86_PMC_IDX_MAX * sizeof(struct event_constraint);
3273
3274                 cpuc->constraint_list = kzalloc(sz, GFP_KERNEL);
3275                 if (!cpuc->constraint_list)
3276                         goto err_shared_regs;
3277
3278                 cpuc->excl_cntrs = allocate_excl_cntrs(cpu);
3279                 if (!cpuc->excl_cntrs)
3280                         goto err_constraint_list;
3281
3282                 cpuc->excl_thread_id = 0;
3283         }
3284
3285         return 0;
3286
3287 err_constraint_list:
3288         kfree(cpuc->constraint_list);
3289         cpuc->constraint_list = NULL;
3290
3291 err_shared_regs:
3292         kfree(cpuc->shared_regs);
3293         cpuc->shared_regs = NULL;
3294
3295 err:
3296         return -ENOMEM;
3297 }
3298
3299 static void flip_smm_bit(void *data)
3300 {
3301         unsigned long set = *(unsigned long *)data;
3302
3303         if (set > 0) {
3304                 msr_set_bit(MSR_IA32_DEBUGCTLMSR,
3305                             DEBUGCTLMSR_FREEZE_IN_SMM_BIT);
3306         } else {
3307                 msr_clear_bit(MSR_IA32_DEBUGCTLMSR,
3308                               DEBUGCTLMSR_FREEZE_IN_SMM_BIT);
3309         }
3310 }
3311
3312 static void intel_pmu_cpu_starting(int cpu)
3313 {
3314         struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu);
3315         int core_id = topology_core_id(cpu);
3316         int i;
3317
3318         init_debug_store_on_cpu(cpu);
3319         /*
3320          * Deal with CPUs that don't clear their LBRs on power-up.
3321          */
3322         intel_pmu_lbr_reset();
3323
3324         cpuc->lbr_sel = NULL;
3325
3326         flip_smm_bit(&x86_pmu.attr_freeze_on_smi);
3327
3328         if (!cpuc->shared_regs)
3329                 return;
3330
3331         if (!(x86_pmu.flags & PMU_FL_NO_HT_SHARING)) {
3332                 for_each_cpu(i, topology_sibling_cpumask(cpu)) {
3333                         struct intel_shared_regs *pc;
3334
3335                         pc = per_cpu(cpu_hw_events, i).shared_regs;
3336                         if (pc && pc->core_id == core_id) {
3337                                 cpuc->kfree_on_online[0] = cpuc->shared_regs;
3338                                 cpuc->shared_regs = pc;
3339                                 break;
3340                         }
3341                 }
3342                 cpuc->shared_regs->core_id = core_id;
3343                 cpuc->shared_regs->refcnt++;
3344         }
3345
3346         if (x86_pmu.lbr_sel_map)
3347                 cpuc->lbr_sel = &cpuc->shared_regs->regs[EXTRA_REG_LBR];
3348
3349         if (x86_pmu.flags & PMU_FL_EXCL_CNTRS) {
3350                 for_each_cpu(i, topology_sibling_cpumask(cpu)) {
3351                         struct cpu_hw_events *sibling;
3352                         struct intel_excl_cntrs *c;
3353
3354                         sibling = &per_cpu(cpu_hw_events, i);
3355                         c = sibling->excl_cntrs;
3356                         if (c && c->core_id == core_id) {
3357                                 cpuc->kfree_on_online[1] = cpuc->excl_cntrs;
3358                                 cpuc->excl_cntrs = c;
3359                                 if (!sibling->excl_thread_id)
3360                                         cpuc->excl_thread_id = 1;
3361                                 break;
3362                         }
3363                 }
3364                 cpuc->excl_cntrs->core_id = core_id;
3365                 cpuc->excl_cntrs->refcnt++;
3366         }
3367 }
3368
3369 static void free_excl_cntrs(int cpu)
3370 {
3371         struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu);
3372         struct intel_excl_cntrs *c;
3373
3374         c = cpuc->excl_cntrs;
3375         if (c) {
3376                 if (c->core_id == -1 || --c->refcnt == 0)
3377                         kfree(c);
3378                 cpuc->excl_cntrs = NULL;
3379                 kfree(cpuc->constraint_list);
3380                 cpuc->constraint_list = NULL;
3381         }
3382 }
3383
3384 static void intel_pmu_cpu_dying(int cpu)
3385 {
3386         struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu);
3387         struct intel_shared_regs *pc;
3388
3389         pc = cpuc->shared_regs;
3390         if (pc) {
3391                 if (pc->core_id == -1 || --pc->refcnt == 0)
3392                         kfree(pc);
3393                 cpuc->shared_regs = NULL;
3394         }
3395
3396         free_excl_cntrs(cpu);
3397
3398         fini_debug_store_on_cpu(cpu);
3399 }
3400
3401 static void intel_pmu_sched_task(struct perf_event_context *ctx,
3402                                  bool sched_in)
3403 {
3404         intel_pmu_pebs_sched_task(ctx, sched_in);
3405         intel_pmu_lbr_sched_task(ctx, sched_in);
3406 }
3407
3408 PMU_FORMAT_ATTR(offcore_rsp, "config1:0-63");
3409
3410 PMU_FORMAT_ATTR(ldlat, "config1:0-15");
3411
3412 PMU_FORMAT_ATTR(frontend, "config1:0-23");
3413
3414 static struct attribute *intel_arch3_formats_attr[] = {
3415         &format_attr_event.attr,
3416         &format_attr_umask.attr,
3417         &format_attr_edge.attr,
3418         &format_attr_pc.attr,
3419         &format_attr_any.attr,
3420         &format_attr_inv.attr,
3421         &format_attr_cmask.attr,
3422         NULL,
3423 };
3424
3425 static struct attribute *hsw_format_attr[] = {
3426         &format_attr_in_tx.attr,
3427         &format_attr_in_tx_cp.attr,
3428         &format_attr_offcore_rsp.attr,
3429         &format_attr_ldlat.attr,
3430         NULL
3431 };
3432
3433 static struct attribute *nhm_format_attr[] = {
3434         &format_attr_offcore_rsp.attr,
3435         &format_attr_ldlat.attr,
3436         NULL
3437 };
3438
3439 static struct attribute *slm_format_attr[] = {
3440         &format_attr_offcore_rsp.attr,
3441         NULL
3442 };
3443
3444 static struct attribute *skl_format_attr[] = {
3445         &format_attr_frontend.attr,
3446         NULL,
3447 };
3448
3449 static __initconst const struct x86_pmu core_pmu = {
3450         .name                   = "core",
3451         .handle_irq             = x86_pmu_handle_irq,
3452         .disable_all            = x86_pmu_disable_all,
3453         .enable_all             = core_pmu_enable_all,
3454         .enable                 = core_pmu_enable_event,
3455         .disable                = x86_pmu_disable_event,
3456         .hw_config              = x86_pmu_hw_config,
3457         .schedule_events        = x86_schedule_events,
3458         .eventsel               = MSR_ARCH_PERFMON_EVENTSEL0,
3459         .perfctr                = MSR_ARCH_PERFMON_PERFCTR0,
3460         .event_map              = intel_pmu_event_map,
3461         .max_events             = ARRAY_SIZE(intel_perfmon_event_map),
3462         .apic                   = 1,
3463         .free_running_flags     = PEBS_FREERUNNING_FLAGS,
3464
3465         /*
3466          * Intel PMCs cannot be accessed sanely above 32-bit width,
3467          * so we install an artificial 1<<31 period regardless of
3468          * the generic event period:
3469          */
3470         .max_period             = (1ULL<<31) - 1,
3471         .get_event_constraints  = intel_get_event_constraints,
3472         .put_event_constraints  = intel_put_event_constraints,
3473         .event_constraints      = intel_core_event_constraints,
3474         .guest_get_msrs         = core_guest_get_msrs,
3475         .format_attrs           = intel_arch_formats_attr,
3476         .events_sysfs_show      = intel_event_sysfs_show,
3477
3478         /*
3479          * Virtual (or funny metal) CPU can define x86_pmu.extra_regs
3480          * together with PMU version 1 and thus be using core_pmu with
3481          * shared_regs. We need following callbacks here to allocate
3482          * it properly.
3483          */
3484         .cpu_prepare            = intel_pmu_cpu_prepare,
3485         .cpu_starting           = intel_pmu_cpu_starting,
3486         .cpu_dying              = intel_pmu_cpu_dying,
3487 };
3488
3489 static __initconst const struct x86_pmu intel_pmu = {
3490         .name                   = "Intel",
3491         .handle_irq             = intel_pmu_handle_irq,
3492         .disable_all            = intel_pmu_disable_all,
3493         .enable_all             = intel_pmu_enable_all,
3494         .enable                 = intel_pmu_enable_event,
3495         .disable                = intel_pmu_disable_event,
3496         .add                    = intel_pmu_add_event,
3497         .del                    = intel_pmu_del_event,
3498         .hw_config              = intel_pmu_hw_config,
3499         .schedule_events        = x86_schedule_events,
3500         .eventsel               = MSR_ARCH_PERFMON_EVENTSEL0,
3501         .perfctr                = MSR_ARCH_PERFMON_PERFCTR0,
3502         .event_map              = intel_pmu_event_map,
3503         .max_events             = ARRAY_SIZE(intel_perfmon_event_map),
3504         .apic                   = 1,
3505         .free_running_flags     = PEBS_FREERUNNING_FLAGS,
3506         /*
3507          * Intel PMCs cannot be accessed sanely above 32 bit width,
3508          * so we install an artificial 1<<31 period regardless of
3509          * the generic event period:
3510          */
3511         .max_period             = (1ULL << 31) - 1,
3512         .get_event_constraints  = intel_get_event_constraints,
3513         .put_event_constraints  = intel_put_event_constraints,
3514         .pebs_aliases           = intel_pebs_aliases_core2,
3515
3516         .format_attrs           = intel_arch3_formats_attr,
3517         .events_sysfs_show      = intel_event_sysfs_show,
3518
3519         .cpu_prepare            = intel_pmu_cpu_prepare,
3520         .cpu_starting           = intel_pmu_cpu_starting,
3521         .cpu_dying              = intel_pmu_cpu_dying,
3522         .guest_get_msrs         = intel_guest_get_msrs,
3523         .sched_task             = intel_pmu_sched_task,
3524 };
3525
3526 static __init void intel_clovertown_quirk(void)
3527 {
3528         /*
3529          * PEBS is unreliable due to:
3530          *
3531          *   AJ67  - PEBS may experience CPL leaks
3532          *   AJ68  - PEBS PMI may be delayed by one event
3533          *   AJ69  - GLOBAL_STATUS[62] will only be set when DEBUGCTL[12]
3534          *   AJ106 - FREEZE_LBRS_ON_PMI doesn't work in combination with PEBS
3535          *
3536          * AJ67 could be worked around by restricting the OS/USR flags.
3537          * AJ69 could be worked around by setting PMU_FREEZE_ON_PMI.
3538          *
3539          * AJ106 could possibly be worked around by not allowing LBR
3540          *       usage from PEBS, including the fixup.
3541          * AJ68  could possibly be worked around by always programming
3542          *       a pebs_event_reset[0] value and coping with the lost events.
3543          *
3544          * But taken together it might just make sense to not enable PEBS on
3545          * these chips.
3546          */
3547         pr_warn("PEBS disabled due to CPU errata\n");
3548         x86_pmu.pebs = 0;
3549         x86_pmu.pebs_constraints = NULL;
3550 }
3551
3552 static int intel_snb_pebs_broken(int cpu)
3553 {
3554         u32 rev = UINT_MAX; /* default to broken for unknown models */
3555
3556         switch (cpu_data(cpu).x86_model) {
3557         case INTEL_FAM6_SANDYBRIDGE:
3558                 rev = 0x28;
3559                 break;
3560
3561         case INTEL_FAM6_SANDYBRIDGE_X:
3562                 switch (cpu_data(cpu).x86_stepping) {
3563                 case 6: rev = 0x618; break;
3564                 case 7: rev = 0x70c; break;
3565                 }
3566         }
3567
3568         return (cpu_data(cpu).microcode < rev);
3569 }
3570
3571 static void intel_snb_check_microcode(void)
3572 {
3573         int pebs_broken = 0;
3574         int cpu;
3575
3576         for_each_online_cpu(cpu) {
3577                 if ((pebs_broken = intel_snb_pebs_broken(cpu)))
3578                         break;
3579         }
3580
3581         if (pebs_broken == x86_pmu.pebs_broken)
3582                 return;
3583
3584         /*
3585          * Serialized by the microcode lock..
3586          */
3587         if (x86_pmu.pebs_broken) {
3588                 pr_info("PEBS enabled due to microcode update\n");
3589                 x86_pmu.pebs_broken = 0;
3590         } else {
3591                 pr_info("PEBS disabled due to CPU errata, please upgrade microcode\n");
3592                 x86_pmu.pebs_broken = 1;
3593         }
3594 }
3595
3596 static bool is_lbr_from(unsigned long msr)
3597 {
3598         unsigned long lbr_from_nr = x86_pmu.lbr_from + x86_pmu.lbr_nr;
3599
3600         return x86_pmu.lbr_from <= msr && msr < lbr_from_nr;
3601 }
3602
3603 /*
3604  * Under certain circumstances, access certain MSR may cause #GP.
3605  * The function tests if the input MSR can be safely accessed.
3606  */
3607 static bool check_msr(unsigned long msr, u64 mask)
3608 {
3609         u64 val_old, val_new, val_tmp;
3610
3611         /*
3612          * Read the current value, change it and read it back to see if it
3613          * matches, this is needed to detect certain hardware emulators
3614          * (qemu/kvm) that don't trap on the MSR access and always return 0s.
3615          */
3616         if (rdmsrl_safe(msr, &val_old))
3617                 return false;
3618
3619         /*
3620          * Only change the bits which can be updated by wrmsrl.
3621          */
3622         val_tmp = val_old ^ mask;
3623
3624         if (is_lbr_from(msr))
3625                 val_tmp = lbr_from_signext_quirk_wr(val_tmp);
3626
3627         if (wrmsrl_safe(msr, val_tmp) ||
3628             rdmsrl_safe(msr, &val_new))
3629                 return false;
3630
3631         /*
3632          * Quirk only affects validation in wrmsr(), so wrmsrl()'s value
3633          * should equal rdmsrl()'s even with the quirk.
3634          */
3635         if (val_new != val_tmp)
3636                 return false;
3637
3638         if (is_lbr_from(msr))
3639                 val_old = lbr_from_signext_quirk_wr(val_old);
3640
3641         /* Here it's sure that the MSR can be safely accessed.
3642          * Restore the old value and return.
3643          */
3644         wrmsrl(msr, val_old);
3645
3646         return true;
3647 }
3648
3649 static __init void intel_sandybridge_quirk(void)
3650 {
3651         x86_pmu.check_microcode = intel_snb_check_microcode;
3652         cpus_read_lock();
3653         intel_snb_check_microcode();
3654         cpus_read_unlock();
3655 }
3656
3657 static const struct { int id; char *name; } intel_arch_events_map[] __initconst = {
3658         { PERF_COUNT_HW_CPU_CYCLES, "cpu cycles" },
3659         { PERF_COUNT_HW_INSTRUCTIONS, "instructions" },
3660         { PERF_COUNT_HW_BUS_CYCLES, "bus cycles" },
3661         { PERF_COUNT_HW_CACHE_REFERENCES, "cache references" },
3662         { PERF_COUNT_HW_CACHE_MISSES, "cache misses" },
3663         { PERF_COUNT_HW_BRANCH_INSTRUCTIONS, "branch instructions" },
3664         { PERF_COUNT_HW_BRANCH_MISSES, "branch misses" },
3665 };
3666
3667 static __init void intel_arch_events_quirk(void)
3668 {
3669         int bit;
3670
3671         /* disable event that reported as not presend by cpuid */
3672         for_each_set_bit(bit, x86_pmu.events_mask, ARRAY_SIZE(intel_arch_events_map)) {
3673                 intel_perfmon_event_map[intel_arch_events_map[bit].id] = 0;
3674                 pr_warn("CPUID marked event: \'%s\' unavailable\n",
3675                         intel_arch_events_map[bit].name);
3676         }
3677 }
3678
3679 static __init void intel_nehalem_quirk(void)
3680 {
3681         union cpuid10_ebx ebx;
3682
3683         ebx.full = x86_pmu.events_maskl;
3684         if (ebx.split.no_branch_misses_retired) {
3685                 /*
3686                  * Erratum AAJ80 detected, we work it around by using
3687                  * the BR_MISP_EXEC.ANY event. This will over-count
3688                  * branch-misses, but it's still much better than the
3689                  * architectural event which is often completely bogus:
3690                  */
3691                 intel_perfmon_event_map[PERF_COUNT_HW_BRANCH_MISSES] = 0x7f89;
3692                 ebx.split.no_branch_misses_retired = 0;
3693                 x86_pmu.events_maskl = ebx.full;
3694                 pr_info("CPU erratum AAJ80 worked around\n");
3695         }
3696 }
3697
3698 /*
3699  * enable software workaround for errata:
3700  * SNB: BJ122
3701  * IVB: BV98
3702  * HSW: HSD29
3703  *
3704  * Only needed when HT is enabled. However detecting
3705  * if HT is enabled is difficult (model specific). So instead,
3706  * we enable the workaround in the early boot, and verify if
3707  * it is needed in a later initcall phase once we have valid
3708  * topology information to check if HT is actually enabled
3709  */
3710 static __init void intel_ht_bug(void)
3711 {
3712         x86_pmu.flags |= PMU_FL_EXCL_CNTRS | PMU_FL_EXCL_ENABLED;
3713
3714         x86_pmu.start_scheduling = intel_start_scheduling;
3715         x86_pmu.commit_scheduling = intel_commit_scheduling;
3716         x86_pmu.stop_scheduling = intel_stop_scheduling;
3717 }
3718
3719 EVENT_ATTR_STR(mem-loads,       mem_ld_hsw,     "event=0xcd,umask=0x1,ldlat=3");
3720 EVENT_ATTR_STR(mem-stores,      mem_st_hsw,     "event=0xd0,umask=0x82")
3721
3722 /* Haswell special events */
3723 EVENT_ATTR_STR(tx-start,        tx_start,       "event=0xc9,umask=0x1");
3724 EVENT_ATTR_STR(tx-commit,       tx_commit,      "event=0xc9,umask=0x2");
3725 EVENT_ATTR_STR(tx-abort,        tx_abort,       "event=0xc9,umask=0x4");
3726 EVENT_ATTR_STR(tx-capacity,     tx_capacity,    "event=0x54,umask=0x2");
3727 EVENT_ATTR_STR(tx-conflict,     tx_conflict,    "event=0x54,umask=0x1");
3728 EVENT_ATTR_STR(el-start,        el_start,       "event=0xc8,umask=0x1");
3729 EVENT_ATTR_STR(el-commit,       el_commit,      "event=0xc8,umask=0x2");
3730 EVENT_ATTR_STR(el-abort,        el_abort,       "event=0xc8,umask=0x4");
3731 EVENT_ATTR_STR(el-capacity,     el_capacity,    "event=0x54,umask=0x2");
3732 EVENT_ATTR_STR(el-conflict,     el_conflict,    "event=0x54,umask=0x1");
3733 EVENT_ATTR_STR(cycles-t,        cycles_t,       "event=0x3c,in_tx=1");
3734 EVENT_ATTR_STR(cycles-ct,       cycles_ct,      "event=0x3c,in_tx=1,in_tx_cp=1");
3735
3736 static struct attribute *hsw_events_attrs[] = {
3737         EVENT_PTR(mem_ld_hsw),
3738         EVENT_PTR(mem_st_hsw),
3739         EVENT_PTR(td_slots_issued),
3740         EVENT_PTR(td_slots_retired),
3741         EVENT_PTR(td_fetch_bubbles),
3742         EVENT_PTR(td_total_slots),
3743         EVENT_PTR(td_total_slots_scale),
3744         EVENT_PTR(td_recovery_bubbles),
3745         EVENT_PTR(td_recovery_bubbles_scale),
3746         NULL
3747 };
3748
3749 static struct attribute *hsw_tsx_events_attrs[] = {
3750         EVENT_PTR(tx_start),
3751         EVENT_PTR(tx_commit),
3752         EVENT_PTR(tx_abort),
3753         EVENT_PTR(tx_capacity),
3754         EVENT_PTR(tx_conflict),
3755         EVENT_PTR(el_start),
3756         EVENT_PTR(el_commit),
3757         EVENT_PTR(el_abort),
3758         EVENT_PTR(el_capacity),
3759         EVENT_PTR(el_conflict),
3760         EVENT_PTR(cycles_t),
3761         EVENT_PTR(cycles_ct),
3762         NULL
3763 };
3764
3765 static __init struct attribute **get_hsw_events_attrs(void)
3766 {
3767         return boot_cpu_has(X86_FEATURE_RTM) ?
3768                 merge_attr(hsw_events_attrs, hsw_tsx_events_attrs) :
3769                 hsw_events_attrs;
3770 }
3771
3772 static ssize_t freeze_on_smi_show(struct device *cdev,
3773                                   struct device_attribute *attr,
3774                                   char *buf)
3775 {
3776         return sprintf(buf, "%lu\n", x86_pmu.attr_freeze_on_smi);
3777 }
3778
3779 static DEFINE_MUTEX(freeze_on_smi_mutex);
3780
3781 static ssize_t freeze_on_smi_store(struct device *cdev,
3782                                    struct device_attribute *attr,
3783                                    const char *buf, size_t count)
3784 {
3785         unsigned long val;
3786         ssize_t ret;
3787
3788         ret = kstrtoul(buf, 0, &val);
3789         if (ret)
3790                 return ret;
3791
3792         if (val > 1)
3793                 return -EINVAL;
3794
3795         mutex_lock(&freeze_on_smi_mutex);
3796
3797         if (x86_pmu.attr_freeze_on_smi == val)
3798                 goto done;
3799
3800         x86_pmu.attr_freeze_on_smi = val;
3801
3802         get_online_cpus();
3803         on_each_cpu(flip_smm_bit, &val, 1);
3804         put_online_cpus();
3805 done:
3806         mutex_unlock(&freeze_on_smi_mutex);
3807
3808         return count;
3809 }
3810
3811 static DEVICE_ATTR_RW(freeze_on_smi);
3812
3813 static ssize_t branches_show(struct device *cdev,
3814                              struct device_attribute *attr,
3815                              char *buf)
3816 {
3817         return snprintf(buf, PAGE_SIZE, "%d\n", x86_pmu.lbr_nr);
3818 }
3819
3820 static DEVICE_ATTR_RO(branches);
3821
3822 static struct attribute *lbr_attrs[] = {
3823         &dev_attr_branches.attr,
3824         NULL
3825 };
3826
3827 static char pmu_name_str[30];
3828
3829 static ssize_t pmu_name_show(struct device *cdev,
3830                              struct device_attribute *attr,
3831                              char *buf)
3832 {
3833         return snprintf(buf, PAGE_SIZE, "%s\n", pmu_name_str);
3834 }
3835
3836 static DEVICE_ATTR_RO(pmu_name);
3837
3838 static struct attribute *intel_pmu_caps_attrs[] = {
3839        &dev_attr_pmu_name.attr,
3840        NULL
3841 };
3842
3843 static struct attribute *intel_pmu_attrs[] = {
3844         &dev_attr_freeze_on_smi.attr,
3845         NULL,
3846 };
3847
3848 __init int intel_pmu_init(void)
3849 {
3850         struct attribute **extra_attr = NULL;
3851         struct attribute **to_free = NULL;
3852         union cpuid10_edx edx;
3853         union cpuid10_eax eax;
3854         union cpuid10_ebx ebx;
3855         struct event_constraint *c;
3856         unsigned int unused;
3857         struct extra_reg *er;
3858         int version, i;
3859         char *name;
3860
3861         if (!cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) {
3862                 switch (boot_cpu_data.x86) {
3863                 case 0x6:
3864                         return p6_pmu_init();
3865                 case 0xb:
3866                         return knc_pmu_init();
3867                 case 0xf:
3868                         return p4_pmu_init();
3869                 }
3870                 return -ENODEV;
3871         }
3872
3873         /*
3874          * Check whether the Architectural PerfMon supports
3875          * Branch Misses Retired hw_event or not.
3876          */
3877         cpuid(10, &eax.full, &ebx.full, &unused, &edx.full);
3878         if (eax.split.mask_length < ARCH_PERFMON_EVENTS_COUNT)
3879                 return -ENODEV;
3880
3881         version = eax.split.version_id;
3882         if (version < 2)
3883                 x86_pmu = core_pmu;
3884         else
3885                 x86_pmu = intel_pmu;
3886
3887         x86_pmu.version                 = version;
3888         x86_pmu.num_counters            = eax.split.num_counters;
3889         x86_pmu.cntval_bits             = eax.split.bit_width;
3890         x86_pmu.cntval_mask             = (1ULL << eax.split.bit_width) - 1;
3891
3892         x86_pmu.events_maskl            = ebx.full;
3893         x86_pmu.events_mask_len         = eax.split.mask_length;
3894
3895         x86_pmu.max_pebs_events         = min_t(unsigned, MAX_PEBS_EVENTS, x86_pmu.num_counters);
3896
3897
3898         x86_pmu.attrs                   = intel_pmu_attrs;
3899         /*
3900          * Quirk: v2 perfmon does not report fixed-purpose events, so
3901          * assume at least 3 events, when not running in a hypervisor:
3902          */
3903         if (version > 1) {
3904                 int assume = 3 * !boot_cpu_has(X86_FEATURE_HYPERVISOR);
3905
3906                 x86_pmu.num_counters_fixed =
3907                         max((int)edx.split.num_counters_fixed, assume);
3908         }
3909
3910         if (boot_cpu_has(X86_FEATURE_PDCM)) {
3911                 u64 capabilities;
3912
3913                 rdmsrl(MSR_IA32_PERF_CAPABILITIES, capabilities);
3914                 x86_pmu.intel_cap.capabilities = capabilities;
3915         }
3916
3917         intel_ds_init();
3918
3919         x86_add_quirk(intel_arch_events_quirk); /* Install first, so it runs last */
3920
3921         /*
3922          * Install the hw-cache-events table:
3923          */
3924         switch (boot_cpu_data.x86_model) {
3925         case INTEL_FAM6_CORE_YONAH:
3926                 pr_cont("Core events, ");
3927                 name = "core";
3928                 break;
3929
3930         case INTEL_FAM6_CORE2_MEROM:
3931                 x86_add_quirk(intel_clovertown_quirk);
3932         case INTEL_FAM6_CORE2_MEROM_L:
3933         case INTEL_FAM6_CORE2_PENRYN:
3934         case INTEL_FAM6_CORE2_DUNNINGTON:
3935                 memcpy(hw_cache_event_ids, core2_hw_cache_event_ids,
3936                        sizeof(hw_cache_event_ids));
3937
3938                 intel_pmu_lbr_init_core();
3939
3940                 x86_pmu.event_constraints = intel_core2_event_constraints;
3941                 x86_pmu.pebs_constraints = intel_core2_pebs_event_constraints;
3942                 pr_cont("Core2 events, ");
3943                 name = "core2";
3944                 break;
3945
3946         case INTEL_FAM6_NEHALEM:
3947         case INTEL_FAM6_NEHALEM_EP:
3948         case INTEL_FAM6_NEHALEM_EX:
3949                 memcpy(hw_cache_event_ids, nehalem_hw_cache_event_ids,
3950                        sizeof(hw_cache_event_ids));
3951                 memcpy(hw_cache_extra_regs, nehalem_hw_cache_extra_regs,
3952                        sizeof(hw_cache_extra_regs));
3953
3954                 intel_pmu_lbr_init_nhm();
3955
3956                 x86_pmu.event_constraints = intel_nehalem_event_constraints;
3957                 x86_pmu.pebs_constraints = intel_nehalem_pebs_event_constraints;
3958                 x86_pmu.enable_all = intel_pmu_nhm_enable_all;
3959                 x86_pmu.extra_regs = intel_nehalem_extra_regs;
3960
3961                 x86_pmu.cpu_events = nhm_events_attrs;
3962
3963                 /* UOPS_ISSUED.STALLED_CYCLES */
3964                 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] =
3965                         X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1);
3966                 /* UOPS_EXECUTED.CORE_ACTIVE_CYCLES,c=1,i=1 */
3967                 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] =
3968                         X86_CONFIG(.event=0xb1, .umask=0x3f, .inv=1, .cmask=1);
3969
3970                 intel_pmu_pebs_data_source_nhm();
3971                 x86_add_quirk(intel_nehalem_quirk);
3972                 x86_pmu.pebs_no_tlb = 1;
3973                 extra_attr = nhm_format_attr;
3974
3975                 pr_cont("Nehalem events, ");
3976                 name = "nehalem";
3977                 break;
3978
3979         case INTEL_FAM6_ATOM_PINEVIEW:
3980         case INTEL_FAM6_ATOM_LINCROFT:
3981         case INTEL_FAM6_ATOM_PENWELL:
3982         case INTEL_FAM6_ATOM_CLOVERVIEW:
3983         case INTEL_FAM6_ATOM_CEDARVIEW:
3984                 memcpy(hw_cache_event_ids, atom_hw_cache_event_ids,
3985                        sizeof(hw_cache_event_ids));
3986
3987                 intel_pmu_lbr_init_atom();
3988
3989                 x86_pmu.event_constraints = intel_gen_event_constraints;
3990                 x86_pmu.pebs_constraints = intel_atom_pebs_event_constraints;
3991                 x86_pmu.pebs_aliases = intel_pebs_aliases_core2;
3992                 pr_cont("Atom events, ");
3993                 name = "bonnell";
3994                 break;
3995
3996         case INTEL_FAM6_ATOM_SILVERMONT1:
3997         case INTEL_FAM6_ATOM_SILVERMONT2:
3998         case INTEL_FAM6_ATOM_AIRMONT:
3999                 memcpy(hw_cache_event_ids, slm_hw_cache_event_ids,
4000                         sizeof(hw_cache_event_ids));
4001                 memcpy(hw_cache_extra_regs, slm_hw_cache_extra_regs,
4002                        sizeof(hw_cache_extra_regs));
4003
4004                 intel_pmu_lbr_init_slm();
4005
4006                 x86_pmu.event_constraints = intel_slm_event_constraints;
4007                 x86_pmu.pebs_constraints = intel_slm_pebs_event_constraints;
4008                 x86_pmu.extra_regs = intel_slm_extra_regs;
4009                 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
4010                 x86_pmu.cpu_events = slm_events_attrs;
4011                 extra_attr = slm_format_attr;
4012                 pr_cont("Silvermont events, ");
4013                 name = "silvermont";
4014                 break;
4015
4016         case INTEL_FAM6_ATOM_GOLDMONT:
4017         case INTEL_FAM6_ATOM_DENVERTON:
4018                 memcpy(hw_cache_event_ids, glm_hw_cache_event_ids,
4019                        sizeof(hw_cache_event_ids));
4020                 memcpy(hw_cache_extra_regs, glm_hw_cache_extra_regs,
4021                        sizeof(hw_cache_extra_regs));
4022
4023                 intel_pmu_lbr_init_skl();
4024
4025                 x86_pmu.event_constraints = intel_slm_event_constraints;
4026                 x86_pmu.pebs_constraints = intel_glm_pebs_event_constraints;
4027                 x86_pmu.extra_regs = intel_glm_extra_regs;
4028                 /*
4029                  * It's recommended to use CPU_CLK_UNHALTED.CORE_P + NPEBS
4030                  * for precise cycles.
4031                  * :pp is identical to :ppp
4032                  */
4033                 x86_pmu.pebs_aliases = NULL;
4034                 x86_pmu.pebs_prec_dist = true;
4035                 x86_pmu.lbr_pt_coexist = true;
4036                 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
4037                 x86_pmu.cpu_events = glm_events_attrs;
4038                 extra_attr = slm_format_attr;
4039                 pr_cont("Goldmont events, ");
4040                 name = "goldmont";
4041                 break;
4042
4043         case INTEL_FAM6_ATOM_GEMINI_LAKE:
4044                 memcpy(hw_cache_event_ids, glp_hw_cache_event_ids,
4045                        sizeof(hw_cache_event_ids));
4046                 memcpy(hw_cache_extra_regs, glp_hw_cache_extra_regs,
4047                        sizeof(hw_cache_extra_regs));
4048
4049                 intel_pmu_lbr_init_skl();
4050
4051                 x86_pmu.event_constraints = intel_slm_event_constraints;
4052                 x86_pmu.pebs_constraints = intel_glp_pebs_event_constraints;
4053                 x86_pmu.extra_regs = intel_glm_extra_regs;
4054                 /*
4055                  * It's recommended to use CPU_CLK_UNHALTED.CORE_P + NPEBS
4056                  * for precise cycles.
4057                  */
4058                 x86_pmu.pebs_aliases = NULL;
4059                 x86_pmu.pebs_prec_dist = true;
4060                 x86_pmu.lbr_pt_coexist = true;
4061                 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
4062                 x86_pmu.get_event_constraints = glp_get_event_constraints;
4063                 x86_pmu.cpu_events = glm_events_attrs;
4064                 /* Goldmont Plus has 4-wide pipeline */
4065                 event_attr_td_total_slots_scale_glm.event_str = "4";
4066                 extra_attr = slm_format_attr;
4067                 pr_cont("Goldmont plus events, ");
4068                 name = "goldmont_plus";
4069                 break;
4070
4071         case INTEL_FAM6_WESTMERE:
4072         case INTEL_FAM6_WESTMERE_EP:
4073         case INTEL_FAM6_WESTMERE_EX:
4074                 memcpy(hw_cache_event_ids, westmere_hw_cache_event_ids,
4075                        sizeof(hw_cache_event_ids));
4076                 memcpy(hw_cache_extra_regs, nehalem_hw_cache_extra_regs,
4077                        sizeof(hw_cache_extra_regs));
4078
4079                 intel_pmu_lbr_init_nhm();
4080
4081                 x86_pmu.event_constraints = intel_westmere_event_constraints;
4082                 x86_pmu.enable_all = intel_pmu_nhm_enable_all;
4083                 x86_pmu.pebs_constraints = intel_westmere_pebs_event_constraints;
4084                 x86_pmu.extra_regs = intel_westmere_extra_regs;
4085                 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
4086
4087                 x86_pmu.cpu_events = nhm_events_attrs;
4088
4089                 /* UOPS_ISSUED.STALLED_CYCLES */
4090                 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] =
4091                         X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1);
4092                 /* UOPS_EXECUTED.CORE_ACTIVE_CYCLES,c=1,i=1 */
4093                 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] =
4094                         X86_CONFIG(.event=0xb1, .umask=0x3f, .inv=1, .cmask=1);
4095
4096                 intel_pmu_pebs_data_source_nhm();
4097                 extra_attr = nhm_format_attr;
4098                 pr_cont("Westmere events, ");
4099                 name = "westmere";
4100                 break;
4101
4102         case INTEL_FAM6_SANDYBRIDGE:
4103         case INTEL_FAM6_SANDYBRIDGE_X:
4104                 x86_add_quirk(intel_sandybridge_quirk);
4105                 x86_add_quirk(intel_ht_bug);
4106                 memcpy(hw_cache_event_ids, snb_hw_cache_event_ids,
4107                        sizeof(hw_cache_event_ids));
4108                 memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs,
4109                        sizeof(hw_cache_extra_regs));
4110
4111                 intel_pmu_lbr_init_snb();
4112
4113                 x86_pmu.event_constraints = intel_snb_event_constraints;
4114                 x86_pmu.pebs_constraints = intel_snb_pebs_event_constraints;
4115                 x86_pmu.pebs_aliases = intel_pebs_aliases_snb;
4116                 if (boot_cpu_data.x86_model == INTEL_FAM6_SANDYBRIDGE_X)
4117                         x86_pmu.extra_regs = intel_snbep_extra_regs;
4118                 else
4119                         x86_pmu.extra_regs = intel_snb_extra_regs;
4120
4121
4122                 /* all extra regs are per-cpu when HT is on */
4123                 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
4124                 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
4125
4126                 x86_pmu.cpu_events = snb_events_attrs;
4127
4128                 /* UOPS_ISSUED.ANY,c=1,i=1 to count stall cycles */
4129                 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] =
4130                         X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1);
4131                 /* UOPS_DISPATCHED.THREAD,c=1,i=1 to count stall cycles*/
4132                 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] =
4133                         X86_CONFIG(.event=0xb1, .umask=0x01, .inv=1, .cmask=1);
4134
4135                 extra_attr = nhm_format_attr;
4136
4137                 pr_cont("SandyBridge events, ");
4138                 name = "sandybridge";
4139                 break;
4140
4141         case INTEL_FAM6_IVYBRIDGE:
4142         case INTEL_FAM6_IVYBRIDGE_X:
4143                 x86_add_quirk(intel_ht_bug);
4144                 memcpy(hw_cache_event_ids, snb_hw_cache_event_ids,
4145                        sizeof(hw_cache_event_ids));
4146                 /* dTLB-load-misses on IVB is different than SNB */
4147                 hw_cache_event_ids[C(DTLB)][C(OP_READ)][C(RESULT_MISS)] = 0x8108; /* DTLB_LOAD_MISSES.DEMAND_LD_MISS_CAUSES_A_WALK */
4148
4149                 memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs,
4150                        sizeof(hw_cache_extra_regs));
4151
4152                 intel_pmu_lbr_init_snb();
4153
4154                 x86_pmu.event_constraints = intel_ivb_event_constraints;
4155                 x86_pmu.pebs_constraints = intel_ivb_pebs_event_constraints;
4156                 x86_pmu.pebs_aliases = intel_pebs_aliases_ivb;
4157                 x86_pmu.pebs_prec_dist = true;
4158                 if (boot_cpu_data.x86_model == INTEL_FAM6_IVYBRIDGE_X)
4159                         x86_pmu.extra_regs = intel_snbep_extra_regs;
4160                 else
4161                         x86_pmu.extra_regs = intel_snb_extra_regs;
4162                 /* all extra regs are per-cpu when HT is on */
4163                 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
4164                 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
4165
4166                 x86_pmu.cpu_events = snb_events_attrs;
4167
4168                 /* UOPS_ISSUED.ANY,c=1,i=1 to count stall cycles */
4169                 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] =
4170                         X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1);
4171
4172                 extra_attr = nhm_format_attr;
4173
4174                 pr_cont("IvyBridge events, ");
4175                 name = "ivybridge";
4176                 break;
4177
4178
4179         case INTEL_FAM6_HASWELL_CORE:
4180         case INTEL_FAM6_HASWELL_X:
4181         case INTEL_FAM6_HASWELL_ULT:
4182         case INTEL_FAM6_HASWELL_GT3E:
4183                 x86_add_quirk(intel_ht_bug);
4184                 x86_pmu.late_ack = true;
4185                 memcpy(hw_cache_event_ids, hsw_hw_cache_event_ids, sizeof(hw_cache_event_ids));
4186                 memcpy(hw_cache_extra_regs, hsw_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
4187
4188                 intel_pmu_lbr_init_hsw();
4189
4190                 x86_pmu.event_constraints = intel_hsw_event_constraints;
4191                 x86_pmu.pebs_constraints = intel_hsw_pebs_event_constraints;
4192                 x86_pmu.extra_regs = intel_snbep_extra_regs;
4193                 x86_pmu.pebs_aliases = intel_pebs_aliases_ivb;
4194                 x86_pmu.pebs_prec_dist = true;
4195                 /* all extra regs are per-cpu when HT is on */
4196                 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
4197                 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
4198
4199                 x86_pmu.hw_config = hsw_hw_config;
4200                 x86_pmu.get_event_constraints = hsw_get_event_constraints;
4201                 x86_pmu.cpu_events = get_hsw_events_attrs();
4202                 x86_pmu.lbr_double_abort = true;
4203                 extra_attr = boot_cpu_has(X86_FEATURE_RTM) ?
4204                         hsw_format_attr : nhm_format_attr;
4205                 pr_cont("Haswell events, ");
4206                 name = "haswell";
4207                 break;
4208
4209         case INTEL_FAM6_BROADWELL_CORE:
4210         case INTEL_FAM6_BROADWELL_XEON_D:
4211         case INTEL_FAM6_BROADWELL_GT3E:
4212         case INTEL_FAM6_BROADWELL_X:
4213                 x86_pmu.late_ack = true;
4214                 memcpy(hw_cache_event_ids, hsw_hw_cache_event_ids, sizeof(hw_cache_event_ids));
4215                 memcpy(hw_cache_extra_regs, hsw_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
4216
4217                 /* L3_MISS_LOCAL_DRAM is BIT(26) in Broadwell */
4218                 hw_cache_extra_regs[C(LL)][C(OP_READ)][C(RESULT_MISS)] = HSW_DEMAND_READ |
4219                                                                          BDW_L3_MISS|HSW_SNOOP_DRAM;
4220                 hw_cache_extra_regs[C(LL)][C(OP_WRITE)][C(RESULT_MISS)] = HSW_DEMAND_WRITE|BDW_L3_MISS|
4221                                                                           HSW_SNOOP_DRAM;
4222                 hw_cache_extra_regs[C(NODE)][C(OP_READ)][C(RESULT_ACCESS)] = HSW_DEMAND_READ|
4223                                                                              BDW_L3_MISS_LOCAL|HSW_SNOOP_DRAM;
4224                 hw_cache_extra_regs[C(NODE)][C(OP_WRITE)][C(RESULT_ACCESS)] = HSW_DEMAND_WRITE|
4225                                                                               BDW_L3_MISS_LOCAL|HSW_SNOOP_DRAM;
4226
4227                 intel_pmu_lbr_init_hsw();
4228
4229                 x86_pmu.event_constraints = intel_bdw_event_constraints;
4230                 x86_pmu.pebs_constraints = intel_bdw_pebs_event_constraints;
4231                 x86_pmu.extra_regs = intel_snbep_extra_regs;
4232                 x86_pmu.pebs_aliases = intel_pebs_aliases_ivb;
4233                 x86_pmu.pebs_prec_dist = true;
4234                 /* all extra regs are per-cpu when HT is on */
4235                 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
4236                 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
4237
4238                 x86_pmu.hw_config = hsw_hw_config;
4239                 x86_pmu.get_event_constraints = hsw_get_event_constraints;
4240                 x86_pmu.cpu_events = get_hsw_events_attrs();
4241                 x86_pmu.limit_period = bdw_limit_period;
4242                 extra_attr = boot_cpu_has(X86_FEATURE_RTM) ?
4243                         hsw_format_attr : nhm_format_attr;
4244                 pr_cont("Broadwell events, ");
4245                 name = "broadwell";
4246                 break;
4247
4248         case INTEL_FAM6_XEON_PHI_KNL:
4249         case INTEL_FAM6_XEON_PHI_KNM:
4250                 memcpy(hw_cache_event_ids,
4251                        slm_hw_cache_event_ids, sizeof(hw_cache_event_ids));
4252                 memcpy(hw_cache_extra_regs,
4253                        knl_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
4254                 intel_pmu_lbr_init_knl();
4255
4256                 x86_pmu.event_constraints = intel_slm_event_constraints;
4257                 x86_pmu.pebs_constraints = intel_slm_pebs_event_constraints;
4258                 x86_pmu.extra_regs = intel_knl_extra_regs;
4259
4260                 /* all extra regs are per-cpu when HT is on */
4261                 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
4262                 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
4263                 extra_attr = slm_format_attr;
4264                 pr_cont("Knights Landing/Mill events, ");
4265                 name = "knights-landing";
4266                 break;
4267
4268         case INTEL_FAM6_SKYLAKE_MOBILE:
4269         case INTEL_FAM6_SKYLAKE_DESKTOP:
4270         case INTEL_FAM6_SKYLAKE_X:
4271         case INTEL_FAM6_KABYLAKE_MOBILE:
4272         case INTEL_FAM6_KABYLAKE_DESKTOP:
4273                 x86_pmu.late_ack = true;
4274                 memcpy(hw_cache_event_ids, skl_hw_cache_event_ids, sizeof(hw_cache_event_ids));
4275                 memcpy(hw_cache_extra_regs, skl_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
4276                 intel_pmu_lbr_init_skl();
4277
4278                 /* INT_MISC.RECOVERY_CYCLES has umask 1 in Skylake */
4279                 event_attr_td_recovery_bubbles.event_str_noht =
4280                         "event=0xd,umask=0x1,cmask=1";
4281                 event_attr_td_recovery_bubbles.event_str_ht =
4282                         "event=0xd,umask=0x1,cmask=1,any=1";
4283
4284                 x86_pmu.event_constraints = intel_skl_event_constraints;
4285                 x86_pmu.pebs_constraints = intel_skl_pebs_event_constraints;
4286                 x86_pmu.extra_regs = intel_skl_extra_regs;
4287                 x86_pmu.pebs_aliases = intel_pebs_aliases_skl;
4288                 x86_pmu.pebs_prec_dist = true;
4289                 /* all extra regs are per-cpu when HT is on */
4290                 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
4291                 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
4292
4293                 x86_pmu.hw_config = hsw_hw_config;
4294                 x86_pmu.get_event_constraints = hsw_get_event_constraints;
4295                 extra_attr = boot_cpu_has(X86_FEATURE_RTM) ?
4296                         hsw_format_attr : nhm_format_attr;
4297                 extra_attr = merge_attr(extra_attr, skl_format_attr);
4298                 to_free = extra_attr;
4299                 x86_pmu.cpu_events = get_hsw_events_attrs();
4300                 intel_pmu_pebs_data_source_skl(
4301                         boot_cpu_data.x86_model == INTEL_FAM6_SKYLAKE_X);
4302                 pr_cont("Skylake events, ");
4303                 name = "skylake";
4304                 break;
4305
4306         default:
4307                 switch (x86_pmu.version) {
4308                 case 1:
4309                         x86_pmu.event_constraints = intel_v1_event_constraints;
4310                         pr_cont("generic architected perfmon v1, ");
4311                         name = "generic_arch_v1";
4312                         break;
4313                 default:
4314                         /*
4315                          * default constraints for v2 and up
4316                          */
4317                         x86_pmu.event_constraints = intel_gen_event_constraints;
4318                         pr_cont("generic architected perfmon, ");
4319                         name = "generic_arch_v2+";
4320                         break;
4321                 }
4322         }
4323
4324         snprintf(pmu_name_str, sizeof pmu_name_str, "%s", name);
4325
4326         if (version >= 2 && extra_attr) {
4327                 x86_pmu.format_attrs = merge_attr(intel_arch3_formats_attr,
4328                                                   extra_attr);
4329                 WARN_ON(!x86_pmu.format_attrs);
4330         }
4331
4332         if (x86_pmu.num_counters > INTEL_PMC_MAX_GENERIC) {
4333                 WARN(1, KERN_ERR "hw perf events %d > max(%d), clipping!",
4334                      x86_pmu.num_counters, INTEL_PMC_MAX_GENERIC);
4335                 x86_pmu.num_counters = INTEL_PMC_MAX_GENERIC;
4336         }
4337         x86_pmu.intel_ctrl = (1ULL << x86_pmu.num_counters) - 1;
4338
4339         if (x86_pmu.num_counters_fixed > INTEL_PMC_MAX_FIXED) {
4340                 WARN(1, KERN_ERR "hw perf events fixed %d > max(%d), clipping!",
4341                      x86_pmu.num_counters_fixed, INTEL_PMC_MAX_FIXED);
4342                 x86_pmu.num_counters_fixed = INTEL_PMC_MAX_FIXED;
4343         }
4344
4345         x86_pmu.intel_ctrl |=
4346                 ((1LL << x86_pmu.num_counters_fixed)-1) << INTEL_PMC_IDX_FIXED;
4347
4348         if (x86_pmu.event_constraints) {
4349                 /*
4350                  * event on fixed counter2 (REF_CYCLES) only works on this
4351                  * counter, so do not extend mask to generic counters
4352                  */
4353                 for_each_event_constraint(c, x86_pmu.event_constraints) {
4354                         if (c->cmask == FIXED_EVENT_FLAGS
4355                             && c->idxmsk64 != INTEL_PMC_MSK_FIXED_REF_CYCLES) {
4356                                 c->idxmsk64 |= (1ULL << x86_pmu.num_counters) - 1;
4357                         }
4358                         c->idxmsk64 &=
4359                                 ~(~0ULL << (INTEL_PMC_IDX_FIXED + x86_pmu.num_counters_fixed));
4360                         c->weight = hweight64(c->idxmsk64);
4361                 }
4362         }
4363
4364         /*
4365          * Access LBR MSR may cause #GP under certain circumstances.
4366          * E.g. KVM doesn't support LBR MSR
4367          * Check all LBT MSR here.
4368          * Disable LBR access if any LBR MSRs can not be accessed.
4369          */
4370         if (x86_pmu.lbr_nr && !check_msr(x86_pmu.lbr_tos, 0x3UL))
4371                 x86_pmu.lbr_nr = 0;
4372         for (i = 0; i < x86_pmu.lbr_nr; i++) {
4373                 if (!(check_msr(x86_pmu.lbr_from + i, 0xffffUL) &&
4374                       check_msr(x86_pmu.lbr_to + i, 0xffffUL)))
4375                         x86_pmu.lbr_nr = 0;
4376         }
4377
4378         x86_pmu.caps_attrs = intel_pmu_caps_attrs;
4379
4380         if (x86_pmu.lbr_nr) {
4381                 x86_pmu.caps_attrs = merge_attr(x86_pmu.caps_attrs, lbr_attrs);
4382                 pr_cont("%d-deep LBR, ", x86_pmu.lbr_nr);
4383         }
4384
4385         /*
4386          * Access extra MSR may cause #GP under certain circumstances.
4387          * E.g. KVM doesn't support offcore event
4388          * Check all extra_regs here.
4389          */
4390         if (x86_pmu.extra_regs) {
4391                 for (er = x86_pmu.extra_regs; er->msr; er++) {
4392                         er->extra_msr_access = check_msr(er->msr, 0x11UL);
4393                         /* Disable LBR select mapping */
4394                         if ((er->idx == EXTRA_REG_LBR) && !er->extra_msr_access)
4395                                 x86_pmu.lbr_sel_map = NULL;
4396                 }
4397         }
4398
4399         /* Support full width counters using alternative MSR range */
4400         if (x86_pmu.intel_cap.full_width_write) {
4401                 x86_pmu.max_period = x86_pmu.cntval_mask >> 1;
4402                 x86_pmu.perfctr = MSR_IA32_PMC0;
4403                 pr_cont("full-width counters, ");
4404         }
4405
4406         kfree(to_free);
4407         return 0;
4408 }
4409
4410 /*
4411  * HT bug: phase 2 init
4412  * Called once we have valid topology information to check
4413  * whether or not HT is enabled
4414  * If HT is off, then we disable the workaround
4415  */
4416 static __init int fixup_ht_bug(void)
4417 {
4418         int c;
4419         /*
4420          * problem not present on this CPU model, nothing to do
4421          */
4422         if (!(x86_pmu.flags & PMU_FL_EXCL_ENABLED))
4423                 return 0;
4424
4425         if (topology_max_smt_threads() > 1) {
4426                 pr_info("PMU erratum BJ122, BV98, HSD29 worked around, HT is on\n");
4427                 return 0;
4428         }
4429
4430         cpus_read_lock();
4431
4432         hardlockup_detector_perf_stop();
4433
4434         x86_pmu.flags &= ~(PMU_FL_EXCL_CNTRS | PMU_FL_EXCL_ENABLED);
4435
4436         x86_pmu.start_scheduling = NULL;
4437         x86_pmu.commit_scheduling = NULL;
4438         x86_pmu.stop_scheduling = NULL;
4439
4440         hardlockup_detector_perf_restart();
4441
4442         for_each_online_cpu(c)
4443                 free_excl_cntrs(c);
4444
4445         cpus_read_unlock();
4446         pr_info("PMU erratum BJ122, BV98, HSD29 workaround disabled, HT off\n");
4447         return 0;
4448 }
4449 subsys_initcall(fixup_ht_bug)