1 // SPDX-License-Identifier: GPL-2.0-only
5 * Used to coordinate shared registers between HT threads or
6 * among events on a single PMU.
9 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
11 #include <linux/stddef.h>
12 #include <linux/types.h>
13 #include <linux/init.h>
14 #include <linux/slab.h>
15 #include <linux/export.h>
16 #include <linux/nmi.h>
18 #include <asm/cpufeature.h>
19 #include <asm/hardirq.h>
20 #include <asm/intel-family.h>
21 #include <asm/intel_pt.h>
23 #include <asm/cpu_device_id.h>
25 #include "../perf_event.h"
28 * Intel PerfMon, used on Core and later.
30 static u64 intel_perfmon_event_map[PERF_COUNT_HW_MAX] __read_mostly =
32 [PERF_COUNT_HW_CPU_CYCLES] = 0x003c,
33 [PERF_COUNT_HW_INSTRUCTIONS] = 0x00c0,
34 [PERF_COUNT_HW_CACHE_REFERENCES] = 0x4f2e,
35 [PERF_COUNT_HW_CACHE_MISSES] = 0x412e,
36 [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = 0x00c4,
37 [PERF_COUNT_HW_BRANCH_MISSES] = 0x00c5,
38 [PERF_COUNT_HW_BUS_CYCLES] = 0x013c,
39 [PERF_COUNT_HW_REF_CPU_CYCLES] = 0x0300, /* pseudo-encoding */
42 static struct event_constraint intel_core_event_constraints[] __read_mostly =
44 INTEL_EVENT_CONSTRAINT(0x11, 0x2), /* FP_ASSIST */
45 INTEL_EVENT_CONSTRAINT(0x12, 0x2), /* MUL */
46 INTEL_EVENT_CONSTRAINT(0x13, 0x2), /* DIV */
47 INTEL_EVENT_CONSTRAINT(0x14, 0x1), /* CYCLES_DIV_BUSY */
48 INTEL_EVENT_CONSTRAINT(0x19, 0x2), /* DELAYED_BYPASS */
49 INTEL_EVENT_CONSTRAINT(0xc1, 0x1), /* FP_COMP_INSTR_RET */
53 static struct event_constraint intel_core2_event_constraints[] __read_mostly =
55 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
56 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
57 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
58 INTEL_EVENT_CONSTRAINT(0x10, 0x1), /* FP_COMP_OPS_EXE */
59 INTEL_EVENT_CONSTRAINT(0x11, 0x2), /* FP_ASSIST */
60 INTEL_EVENT_CONSTRAINT(0x12, 0x2), /* MUL */
61 INTEL_EVENT_CONSTRAINT(0x13, 0x2), /* DIV */
62 INTEL_EVENT_CONSTRAINT(0x14, 0x1), /* CYCLES_DIV_BUSY */
63 INTEL_EVENT_CONSTRAINT(0x18, 0x1), /* IDLE_DURING_DIV */
64 INTEL_EVENT_CONSTRAINT(0x19, 0x2), /* DELAYED_BYPASS */
65 INTEL_EVENT_CONSTRAINT(0xa1, 0x1), /* RS_UOPS_DISPATCH_CYCLES */
66 INTEL_EVENT_CONSTRAINT(0xc9, 0x1), /* ITLB_MISS_RETIRED (T30-9) */
67 INTEL_EVENT_CONSTRAINT(0xcb, 0x1), /* MEM_LOAD_RETIRED */
71 static struct event_constraint intel_nehalem_event_constraints[] __read_mostly =
73 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
74 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
75 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
76 INTEL_EVENT_CONSTRAINT(0x40, 0x3), /* L1D_CACHE_LD */
77 INTEL_EVENT_CONSTRAINT(0x41, 0x3), /* L1D_CACHE_ST */
78 INTEL_EVENT_CONSTRAINT(0x42, 0x3), /* L1D_CACHE_LOCK */
79 INTEL_EVENT_CONSTRAINT(0x43, 0x3), /* L1D_ALL_REF */
80 INTEL_EVENT_CONSTRAINT(0x48, 0x3), /* L1D_PEND_MISS */
81 INTEL_EVENT_CONSTRAINT(0x4e, 0x3), /* L1D_PREFETCH */
82 INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */
83 INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */
87 static struct extra_reg intel_nehalem_extra_regs[] __read_mostly =
89 /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
90 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0xffff, RSP_0),
91 INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x100b),
95 static struct event_constraint intel_westmere_event_constraints[] __read_mostly =
97 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
98 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
99 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
100 INTEL_EVENT_CONSTRAINT(0x51, 0x3), /* L1D */
101 INTEL_EVENT_CONSTRAINT(0x60, 0x1), /* OFFCORE_REQUESTS_OUTSTANDING */
102 INTEL_EVENT_CONSTRAINT(0x63, 0x3), /* CACHE_LOCK_CYCLES */
103 INTEL_EVENT_CONSTRAINT(0xb3, 0x1), /* SNOOPQ_REQUEST_OUTSTANDING */
107 static struct event_constraint intel_snb_event_constraints[] __read_mostly =
109 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
110 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
111 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
112 INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_DISPATCH */
113 INTEL_UEVENT_CONSTRAINT(0x05a3, 0xf), /* CYCLE_ACTIVITY.STALLS_L2_PENDING */
114 INTEL_UEVENT_CONSTRAINT(0x02a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */
115 INTEL_UEVENT_CONSTRAINT(0x06a3, 0x4), /* CYCLE_ACTIVITY.STALLS_L1D_PENDING */
116 INTEL_EVENT_CONSTRAINT(0x48, 0x4), /* L1D_PEND_MISS.PENDING */
117 INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */
118 INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.LOAD_LATENCY */
119 INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_DISPATCH */
120 INTEL_UEVENT_CONSTRAINT(0x02a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */
123 * When HT is off these events can only run on the bottom 4 counters
124 * When HT is on, they are impacted by the HT bug and require EXCL access
126 INTEL_EXCLEVT_CONSTRAINT(0xd0, 0xf), /* MEM_UOPS_RETIRED.* */
127 INTEL_EXCLEVT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */
128 INTEL_EXCLEVT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */
129 INTEL_EXCLEVT_CONSTRAINT(0xd3, 0xf), /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */
134 static struct event_constraint intel_ivb_event_constraints[] __read_mostly =
136 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
137 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
138 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
139 INTEL_UEVENT_CONSTRAINT(0x0148, 0x4), /* L1D_PEND_MISS.PENDING */
140 INTEL_UEVENT_CONSTRAINT(0x0279, 0xf), /* IDQ.EMPTY */
141 INTEL_UEVENT_CONSTRAINT(0x019c, 0xf), /* IDQ_UOPS_NOT_DELIVERED.CORE */
142 INTEL_UEVENT_CONSTRAINT(0x02a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_LDM_PENDING */
143 INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf), /* CYCLE_ACTIVITY.CYCLES_NO_EXECUTE */
144 INTEL_UEVENT_CONSTRAINT(0x05a3, 0xf), /* CYCLE_ACTIVITY.STALLS_L2_PENDING */
145 INTEL_UEVENT_CONSTRAINT(0x06a3, 0xf), /* CYCLE_ACTIVITY.STALLS_LDM_PENDING */
146 INTEL_UEVENT_CONSTRAINT(0x08a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */
147 INTEL_UEVENT_CONSTRAINT(0x0ca3, 0x4), /* CYCLE_ACTIVITY.STALLS_L1D_PENDING */
148 INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */
151 * When HT is off these events can only run on the bottom 4 counters
152 * When HT is on, they are impacted by the HT bug and require EXCL access
154 INTEL_EXCLEVT_CONSTRAINT(0xd0, 0xf), /* MEM_UOPS_RETIRED.* */
155 INTEL_EXCLEVT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */
156 INTEL_EXCLEVT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */
157 INTEL_EXCLEVT_CONSTRAINT(0xd3, 0xf), /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */
162 static struct extra_reg intel_westmere_extra_regs[] __read_mostly =
164 /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
165 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0xffff, RSP_0),
166 INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0xffff, RSP_1),
167 INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x100b),
171 static struct event_constraint intel_v1_event_constraints[] __read_mostly =
176 static struct event_constraint intel_gen_event_constraints[] __read_mostly =
178 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
179 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
180 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
184 static struct event_constraint intel_slm_event_constraints[] __read_mostly =
186 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
187 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
188 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* pseudo CPU_CLK_UNHALTED.REF */
192 static struct event_constraint intel_skl_event_constraints[] = {
193 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
194 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
195 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
196 INTEL_UEVENT_CONSTRAINT(0x1c0, 0x2), /* INST_RETIRED.PREC_DIST */
199 * when HT is off, these can only run on the bottom 4 counters
201 INTEL_EVENT_CONSTRAINT(0xd0, 0xf), /* MEM_INST_RETIRED.* */
202 INTEL_EVENT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_RETIRED.* */
203 INTEL_EVENT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_L3_HIT_RETIRED.* */
204 INTEL_EVENT_CONSTRAINT(0xcd, 0xf), /* MEM_TRANS_RETIRED.* */
205 INTEL_EVENT_CONSTRAINT(0xc6, 0xf), /* FRONTEND_RETIRED.* */
210 static struct extra_reg intel_knl_extra_regs[] __read_mostly = {
211 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x799ffbb6e7ull, RSP_0),
212 INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0x399ffbffe7ull, RSP_1),
216 static struct extra_reg intel_snb_extra_regs[] __read_mostly = {
217 /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
218 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3f807f8fffull, RSP_0),
219 INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3f807f8fffull, RSP_1),
220 INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd),
224 static struct extra_reg intel_snbep_extra_regs[] __read_mostly = {
225 /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
226 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffff8fffull, RSP_0),
227 INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffff8fffull, RSP_1),
228 INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd),
232 static struct extra_reg intel_skl_extra_regs[] __read_mostly = {
233 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffff8fffull, RSP_0),
234 INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffff8fffull, RSP_1),
235 INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd),
237 * Note the low 8 bits eventsel code is not a continuous field, containing
238 * some #GPing bits. These are masked out.
240 INTEL_UEVENT_EXTRA_REG(0x01c6, MSR_PEBS_FRONTEND, 0x7fff17, FE),
244 static struct event_constraint intel_icl_event_constraints[] = {
245 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
246 FIXED_EVENT_CONSTRAINT(0x01c0, 0), /* old INST_RETIRED.PREC_DIST */
247 FIXED_EVENT_CONSTRAINT(0x0100, 0), /* INST_RETIRED.PREC_DIST */
248 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
249 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
250 FIXED_EVENT_CONSTRAINT(0x0400, 3), /* SLOTS */
251 METRIC_EVENT_CONSTRAINT(INTEL_TD_METRIC_RETIRING, 0),
252 METRIC_EVENT_CONSTRAINT(INTEL_TD_METRIC_BAD_SPEC, 1),
253 METRIC_EVENT_CONSTRAINT(INTEL_TD_METRIC_FE_BOUND, 2),
254 METRIC_EVENT_CONSTRAINT(INTEL_TD_METRIC_BE_BOUND, 3),
255 INTEL_EVENT_CONSTRAINT_RANGE(0x03, 0x0a, 0xf),
256 INTEL_EVENT_CONSTRAINT_RANGE(0x1f, 0x28, 0xf),
257 INTEL_EVENT_CONSTRAINT(0x32, 0xf), /* SW_PREFETCH_ACCESS.* */
258 INTEL_EVENT_CONSTRAINT_RANGE(0x48, 0x54, 0xf),
259 INTEL_EVENT_CONSTRAINT_RANGE(0x60, 0x8b, 0xf),
260 INTEL_UEVENT_CONSTRAINT(0x04a3, 0xff), /* CYCLE_ACTIVITY.STALLS_TOTAL */
261 INTEL_UEVENT_CONSTRAINT(0x10a3, 0xff), /* CYCLE_ACTIVITY.CYCLES_MEM_ANY */
262 INTEL_UEVENT_CONSTRAINT(0x14a3, 0xff), /* CYCLE_ACTIVITY.STALLS_MEM_ANY */
263 INTEL_EVENT_CONSTRAINT(0xa3, 0xf), /* CYCLE_ACTIVITY.* */
264 INTEL_EVENT_CONSTRAINT_RANGE(0xa8, 0xb0, 0xf),
265 INTEL_EVENT_CONSTRAINT_RANGE(0xb7, 0xbd, 0xf),
266 INTEL_EVENT_CONSTRAINT_RANGE(0xd0, 0xe6, 0xf),
267 INTEL_EVENT_CONSTRAINT(0xef, 0xf),
268 INTEL_EVENT_CONSTRAINT_RANGE(0xf0, 0xf4, 0xf),
272 static struct extra_reg intel_icl_extra_regs[] __read_mostly = {
273 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffffbfffull, RSP_0),
274 INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffffbfffull, RSP_1),
275 INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd),
276 INTEL_UEVENT_EXTRA_REG(0x01c6, MSR_PEBS_FRONTEND, 0x7fff17, FE),
280 static struct extra_reg intel_spr_extra_regs[] __read_mostly = {
281 INTEL_UEVENT_EXTRA_REG(0x012a, MSR_OFFCORE_RSP_0, 0x3fffffffffull, RSP_0),
282 INTEL_UEVENT_EXTRA_REG(0x012b, MSR_OFFCORE_RSP_1, 0x3fffffffffull, RSP_1),
283 INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd),
284 INTEL_UEVENT_EXTRA_REG(0x01c6, MSR_PEBS_FRONTEND, 0x7fff17, FE),
285 INTEL_UEVENT_EXTRA_REG(0x40ad, MSR_PEBS_FRONTEND, 0x7, FE),
286 INTEL_UEVENT_EXTRA_REG(0x04c2, MSR_PEBS_FRONTEND, 0x8, FE),
290 static struct event_constraint intel_spr_event_constraints[] = {
291 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
292 FIXED_EVENT_CONSTRAINT(0x0100, 0), /* INST_RETIRED.PREC_DIST */
293 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
294 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
295 FIXED_EVENT_CONSTRAINT(0x0400, 3), /* SLOTS */
296 METRIC_EVENT_CONSTRAINT(INTEL_TD_METRIC_RETIRING, 0),
297 METRIC_EVENT_CONSTRAINT(INTEL_TD_METRIC_BAD_SPEC, 1),
298 METRIC_EVENT_CONSTRAINT(INTEL_TD_METRIC_FE_BOUND, 2),
299 METRIC_EVENT_CONSTRAINT(INTEL_TD_METRIC_BE_BOUND, 3),
300 METRIC_EVENT_CONSTRAINT(INTEL_TD_METRIC_HEAVY_OPS, 4),
301 METRIC_EVENT_CONSTRAINT(INTEL_TD_METRIC_BR_MISPREDICT, 5),
302 METRIC_EVENT_CONSTRAINT(INTEL_TD_METRIC_FETCH_LAT, 6),
303 METRIC_EVENT_CONSTRAINT(INTEL_TD_METRIC_MEM_BOUND, 7),
305 INTEL_EVENT_CONSTRAINT(0x2e, 0xff),
306 INTEL_EVENT_CONSTRAINT(0x3c, 0xff),
308 * Generally event codes < 0x90 are restricted to counters 0-3.
309 * The 0x2E and 0x3C are exception, which has no restriction.
311 INTEL_EVENT_CONSTRAINT_RANGE(0x01, 0x8f, 0xf),
313 INTEL_UEVENT_CONSTRAINT(0x01a3, 0xf),
314 INTEL_UEVENT_CONSTRAINT(0x02a3, 0xf),
315 INTEL_UEVENT_CONSTRAINT(0x08a3, 0xf),
316 INTEL_UEVENT_CONSTRAINT(0x04a4, 0x1),
317 INTEL_UEVENT_CONSTRAINT(0x08a4, 0x1),
318 INTEL_UEVENT_CONSTRAINT(0x02cd, 0x1),
319 INTEL_EVENT_CONSTRAINT(0xce, 0x1),
320 INTEL_EVENT_CONSTRAINT_RANGE(0xd0, 0xdf, 0xf),
322 * Generally event codes >= 0x90 are likely to have no restrictions.
323 * The exception are defined as above.
325 INTEL_EVENT_CONSTRAINT_RANGE(0x90, 0xfe, 0xff),
331 EVENT_ATTR_STR(mem-loads, mem_ld_nhm, "event=0x0b,umask=0x10,ldlat=3");
332 EVENT_ATTR_STR(mem-loads, mem_ld_snb, "event=0xcd,umask=0x1,ldlat=3");
333 EVENT_ATTR_STR(mem-stores, mem_st_snb, "event=0xcd,umask=0x2");
335 static struct attribute *nhm_mem_events_attrs[] = {
336 EVENT_PTR(mem_ld_nhm),
341 * topdown events for Intel Core CPUs.
343 * The events are all in slots, which is a free slot in a 4 wide
344 * pipeline. Some events are already reported in slots, for cycle
345 * events we multiply by the pipeline width (4).
347 * With Hyper Threading on, topdown metrics are either summed or averaged
348 * between the threads of a core: (count_t0 + count_t1).
350 * For the average case the metric is always scaled to pipeline width,
351 * so we use factor 2 ((count_t0 + count_t1) / 2 * 4)
354 EVENT_ATTR_STR_HT(topdown-total-slots, td_total_slots,
355 "event=0x3c,umask=0x0", /* cpu_clk_unhalted.thread */
356 "event=0x3c,umask=0x0,any=1"); /* cpu_clk_unhalted.thread_any */
357 EVENT_ATTR_STR_HT(topdown-total-slots.scale, td_total_slots_scale, "4", "2");
358 EVENT_ATTR_STR(topdown-slots-issued, td_slots_issued,
359 "event=0xe,umask=0x1"); /* uops_issued.any */
360 EVENT_ATTR_STR(topdown-slots-retired, td_slots_retired,
361 "event=0xc2,umask=0x2"); /* uops_retired.retire_slots */
362 EVENT_ATTR_STR(topdown-fetch-bubbles, td_fetch_bubbles,
363 "event=0x9c,umask=0x1"); /* idq_uops_not_delivered_core */
364 EVENT_ATTR_STR_HT(topdown-recovery-bubbles, td_recovery_bubbles,
365 "event=0xd,umask=0x3,cmask=1", /* int_misc.recovery_cycles */
366 "event=0xd,umask=0x3,cmask=1,any=1"); /* int_misc.recovery_cycles_any */
367 EVENT_ATTR_STR_HT(topdown-recovery-bubbles.scale, td_recovery_bubbles_scale,
370 EVENT_ATTR_STR(slots, slots, "event=0x00,umask=0x4");
371 EVENT_ATTR_STR(topdown-retiring, td_retiring, "event=0x00,umask=0x80");
372 EVENT_ATTR_STR(topdown-bad-spec, td_bad_spec, "event=0x00,umask=0x81");
373 EVENT_ATTR_STR(topdown-fe-bound, td_fe_bound, "event=0x00,umask=0x82");
374 EVENT_ATTR_STR(topdown-be-bound, td_be_bound, "event=0x00,umask=0x83");
375 EVENT_ATTR_STR(topdown-heavy-ops, td_heavy_ops, "event=0x00,umask=0x84");
376 EVENT_ATTR_STR(topdown-br-mispredict, td_br_mispredict, "event=0x00,umask=0x85");
377 EVENT_ATTR_STR(topdown-fetch-lat, td_fetch_lat, "event=0x00,umask=0x86");
378 EVENT_ATTR_STR(topdown-mem-bound, td_mem_bound, "event=0x00,umask=0x87");
380 static struct attribute *snb_events_attrs[] = {
381 EVENT_PTR(td_slots_issued),
382 EVENT_PTR(td_slots_retired),
383 EVENT_PTR(td_fetch_bubbles),
384 EVENT_PTR(td_total_slots),
385 EVENT_PTR(td_total_slots_scale),
386 EVENT_PTR(td_recovery_bubbles),
387 EVENT_PTR(td_recovery_bubbles_scale),
391 static struct attribute *snb_mem_events_attrs[] = {
392 EVENT_PTR(mem_ld_snb),
393 EVENT_PTR(mem_st_snb),
397 static struct event_constraint intel_hsw_event_constraints[] = {
398 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
399 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
400 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
401 INTEL_UEVENT_CONSTRAINT(0x148, 0x4), /* L1D_PEND_MISS.PENDING */
402 INTEL_UEVENT_CONSTRAINT(0x01c0, 0x2), /* INST_RETIRED.PREC_DIST */
403 INTEL_EVENT_CONSTRAINT(0xcd, 0x8), /* MEM_TRANS_RETIRED.LOAD_LATENCY */
404 /* CYCLE_ACTIVITY.CYCLES_L1D_PENDING */
405 INTEL_UEVENT_CONSTRAINT(0x08a3, 0x4),
406 /* CYCLE_ACTIVITY.STALLS_L1D_PENDING */
407 INTEL_UEVENT_CONSTRAINT(0x0ca3, 0x4),
408 /* CYCLE_ACTIVITY.CYCLES_NO_EXECUTE */
409 INTEL_UEVENT_CONSTRAINT(0x04a3, 0xf),
412 * When HT is off these events can only run on the bottom 4 counters
413 * When HT is on, they are impacted by the HT bug and require EXCL access
415 INTEL_EXCLEVT_CONSTRAINT(0xd0, 0xf), /* MEM_UOPS_RETIRED.* */
416 INTEL_EXCLEVT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_UOPS_RETIRED.* */
417 INTEL_EXCLEVT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_UOPS_LLC_HIT_RETIRED.* */
418 INTEL_EXCLEVT_CONSTRAINT(0xd3, 0xf), /* MEM_LOAD_UOPS_LLC_MISS_RETIRED.* */
423 static struct event_constraint intel_bdw_event_constraints[] = {
424 FIXED_EVENT_CONSTRAINT(0x00c0, 0), /* INST_RETIRED.ANY */
425 FIXED_EVENT_CONSTRAINT(0x003c, 1), /* CPU_CLK_UNHALTED.CORE */
426 FIXED_EVENT_CONSTRAINT(0x0300, 2), /* CPU_CLK_UNHALTED.REF */
427 INTEL_UEVENT_CONSTRAINT(0x148, 0x4), /* L1D_PEND_MISS.PENDING */
428 INTEL_UBIT_EVENT_CONSTRAINT(0x8a3, 0x4), /* CYCLE_ACTIVITY.CYCLES_L1D_MISS */
430 * when HT is off, these can only run on the bottom 4 counters
432 INTEL_EVENT_CONSTRAINT(0xd0, 0xf), /* MEM_INST_RETIRED.* */
433 INTEL_EVENT_CONSTRAINT(0xd1, 0xf), /* MEM_LOAD_RETIRED.* */
434 INTEL_EVENT_CONSTRAINT(0xd2, 0xf), /* MEM_LOAD_L3_HIT_RETIRED.* */
435 INTEL_EVENT_CONSTRAINT(0xcd, 0xf), /* MEM_TRANS_RETIRED.* */
439 static u64 intel_pmu_event_map(int hw_event)
441 return intel_perfmon_event_map[hw_event];
444 static __initconst const u64 spr_hw_cache_event_ids
445 [PERF_COUNT_HW_CACHE_MAX]
446 [PERF_COUNT_HW_CACHE_OP_MAX]
447 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
451 [ C(RESULT_ACCESS) ] = 0x81d0,
452 [ C(RESULT_MISS) ] = 0xe124,
455 [ C(RESULT_ACCESS) ] = 0x82d0,
460 [ C(RESULT_MISS) ] = 0xe424,
463 [ C(RESULT_ACCESS) ] = -1,
464 [ C(RESULT_MISS) ] = -1,
469 [ C(RESULT_ACCESS) ] = 0x12a,
470 [ C(RESULT_MISS) ] = 0x12a,
473 [ C(RESULT_ACCESS) ] = 0x12a,
474 [ C(RESULT_MISS) ] = 0x12a,
479 [ C(RESULT_ACCESS) ] = 0x81d0,
480 [ C(RESULT_MISS) ] = 0xe12,
483 [ C(RESULT_ACCESS) ] = 0x82d0,
484 [ C(RESULT_MISS) ] = 0xe13,
489 [ C(RESULT_ACCESS) ] = -1,
490 [ C(RESULT_MISS) ] = 0xe11,
493 [ C(RESULT_ACCESS) ] = -1,
494 [ C(RESULT_MISS) ] = -1,
496 [ C(OP_PREFETCH) ] = {
497 [ C(RESULT_ACCESS) ] = -1,
498 [ C(RESULT_MISS) ] = -1,
503 [ C(RESULT_ACCESS) ] = 0x4c4,
504 [ C(RESULT_MISS) ] = 0x4c5,
507 [ C(RESULT_ACCESS) ] = -1,
508 [ C(RESULT_MISS) ] = -1,
510 [ C(OP_PREFETCH) ] = {
511 [ C(RESULT_ACCESS) ] = -1,
512 [ C(RESULT_MISS) ] = -1,
517 [ C(RESULT_ACCESS) ] = 0x12a,
518 [ C(RESULT_MISS) ] = 0x12a,
523 static __initconst const u64 spr_hw_cache_extra_regs
524 [PERF_COUNT_HW_CACHE_MAX]
525 [PERF_COUNT_HW_CACHE_OP_MAX]
526 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
530 [ C(RESULT_ACCESS) ] = 0x10001,
531 [ C(RESULT_MISS) ] = 0x3fbfc00001,
534 [ C(RESULT_ACCESS) ] = 0x3f3ffc0002,
535 [ C(RESULT_MISS) ] = 0x3f3fc00002,
540 [ C(RESULT_ACCESS) ] = 0x10c000001,
541 [ C(RESULT_MISS) ] = 0x3fb3000001,
547 * Notes on the events:
548 * - data reads do not include code reads (comparable to earlier tables)
549 * - data counts include speculative execution (except L1 write, dtlb, bpu)
550 * - remote node access includes remote memory, remote cache, remote mmio.
551 * - prefetches are not included in the counts.
552 * - icache miss does not include decoded icache
555 #define SKL_DEMAND_DATA_RD BIT_ULL(0)
556 #define SKL_DEMAND_RFO BIT_ULL(1)
557 #define SKL_ANY_RESPONSE BIT_ULL(16)
558 #define SKL_SUPPLIER_NONE BIT_ULL(17)
559 #define SKL_L3_MISS_LOCAL_DRAM BIT_ULL(26)
560 #define SKL_L3_MISS_REMOTE_HOP0_DRAM BIT_ULL(27)
561 #define SKL_L3_MISS_REMOTE_HOP1_DRAM BIT_ULL(28)
562 #define SKL_L3_MISS_REMOTE_HOP2P_DRAM BIT_ULL(29)
563 #define SKL_L3_MISS (SKL_L3_MISS_LOCAL_DRAM| \
564 SKL_L3_MISS_REMOTE_HOP0_DRAM| \
565 SKL_L3_MISS_REMOTE_HOP1_DRAM| \
566 SKL_L3_MISS_REMOTE_HOP2P_DRAM)
567 #define SKL_SPL_HIT BIT_ULL(30)
568 #define SKL_SNOOP_NONE BIT_ULL(31)
569 #define SKL_SNOOP_NOT_NEEDED BIT_ULL(32)
570 #define SKL_SNOOP_MISS BIT_ULL(33)
571 #define SKL_SNOOP_HIT_NO_FWD BIT_ULL(34)
572 #define SKL_SNOOP_HIT_WITH_FWD BIT_ULL(35)
573 #define SKL_SNOOP_HITM BIT_ULL(36)
574 #define SKL_SNOOP_NON_DRAM BIT_ULL(37)
575 #define SKL_ANY_SNOOP (SKL_SPL_HIT|SKL_SNOOP_NONE| \
576 SKL_SNOOP_NOT_NEEDED|SKL_SNOOP_MISS| \
577 SKL_SNOOP_HIT_NO_FWD|SKL_SNOOP_HIT_WITH_FWD| \
578 SKL_SNOOP_HITM|SKL_SNOOP_NON_DRAM)
579 #define SKL_DEMAND_READ SKL_DEMAND_DATA_RD
580 #define SKL_SNOOP_DRAM (SKL_SNOOP_NONE| \
581 SKL_SNOOP_NOT_NEEDED|SKL_SNOOP_MISS| \
582 SKL_SNOOP_HIT_NO_FWD|SKL_SNOOP_HIT_WITH_FWD| \
583 SKL_SNOOP_HITM|SKL_SPL_HIT)
584 #define SKL_DEMAND_WRITE SKL_DEMAND_RFO
585 #define SKL_LLC_ACCESS SKL_ANY_RESPONSE
586 #define SKL_L3_MISS_REMOTE (SKL_L3_MISS_REMOTE_HOP0_DRAM| \
587 SKL_L3_MISS_REMOTE_HOP1_DRAM| \
588 SKL_L3_MISS_REMOTE_HOP2P_DRAM)
590 static __initconst const u64 skl_hw_cache_event_ids
591 [PERF_COUNT_HW_CACHE_MAX]
592 [PERF_COUNT_HW_CACHE_OP_MAX]
593 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
597 [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_INST_RETIRED.ALL_LOADS */
598 [ C(RESULT_MISS) ] = 0x151, /* L1D.REPLACEMENT */
601 [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_INST_RETIRED.ALL_STORES */
602 [ C(RESULT_MISS) ] = 0x0,
604 [ C(OP_PREFETCH) ] = {
605 [ C(RESULT_ACCESS) ] = 0x0,
606 [ C(RESULT_MISS) ] = 0x0,
611 [ C(RESULT_ACCESS) ] = 0x0,
612 [ C(RESULT_MISS) ] = 0x283, /* ICACHE_64B.MISS */
615 [ C(RESULT_ACCESS) ] = -1,
616 [ C(RESULT_MISS) ] = -1,
618 [ C(OP_PREFETCH) ] = {
619 [ C(RESULT_ACCESS) ] = 0x0,
620 [ C(RESULT_MISS) ] = 0x0,
625 [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */
626 [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */
629 [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */
630 [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */
632 [ C(OP_PREFETCH) ] = {
633 [ C(RESULT_ACCESS) ] = 0x0,
634 [ C(RESULT_MISS) ] = 0x0,
639 [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_INST_RETIRED.ALL_LOADS */
640 [ C(RESULT_MISS) ] = 0xe08, /* DTLB_LOAD_MISSES.WALK_COMPLETED */
643 [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_INST_RETIRED.ALL_STORES */
644 [ C(RESULT_MISS) ] = 0xe49, /* DTLB_STORE_MISSES.WALK_COMPLETED */
646 [ C(OP_PREFETCH) ] = {
647 [ C(RESULT_ACCESS) ] = 0x0,
648 [ C(RESULT_MISS) ] = 0x0,
653 [ C(RESULT_ACCESS) ] = 0x2085, /* ITLB_MISSES.STLB_HIT */
654 [ C(RESULT_MISS) ] = 0xe85, /* ITLB_MISSES.WALK_COMPLETED */
657 [ C(RESULT_ACCESS) ] = -1,
658 [ C(RESULT_MISS) ] = -1,
660 [ C(OP_PREFETCH) ] = {
661 [ C(RESULT_ACCESS) ] = -1,
662 [ C(RESULT_MISS) ] = -1,
667 [ C(RESULT_ACCESS) ] = 0xc4, /* BR_INST_RETIRED.ALL_BRANCHES */
668 [ C(RESULT_MISS) ] = 0xc5, /* BR_MISP_RETIRED.ALL_BRANCHES */
671 [ C(RESULT_ACCESS) ] = -1,
672 [ C(RESULT_MISS) ] = -1,
674 [ C(OP_PREFETCH) ] = {
675 [ C(RESULT_ACCESS) ] = -1,
676 [ C(RESULT_MISS) ] = -1,
681 [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */
682 [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */
685 [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */
686 [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */
688 [ C(OP_PREFETCH) ] = {
689 [ C(RESULT_ACCESS) ] = 0x0,
690 [ C(RESULT_MISS) ] = 0x0,
695 static __initconst const u64 skl_hw_cache_extra_regs
696 [PERF_COUNT_HW_CACHE_MAX]
697 [PERF_COUNT_HW_CACHE_OP_MAX]
698 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
702 [ C(RESULT_ACCESS) ] = SKL_DEMAND_READ|
703 SKL_LLC_ACCESS|SKL_ANY_SNOOP,
704 [ C(RESULT_MISS) ] = SKL_DEMAND_READ|
705 SKL_L3_MISS|SKL_ANY_SNOOP|
709 [ C(RESULT_ACCESS) ] = SKL_DEMAND_WRITE|
710 SKL_LLC_ACCESS|SKL_ANY_SNOOP,
711 [ C(RESULT_MISS) ] = SKL_DEMAND_WRITE|
712 SKL_L3_MISS|SKL_ANY_SNOOP|
715 [ C(OP_PREFETCH) ] = {
716 [ C(RESULT_ACCESS) ] = 0x0,
717 [ C(RESULT_MISS) ] = 0x0,
722 [ C(RESULT_ACCESS) ] = SKL_DEMAND_READ|
723 SKL_L3_MISS_LOCAL_DRAM|SKL_SNOOP_DRAM,
724 [ C(RESULT_MISS) ] = SKL_DEMAND_READ|
725 SKL_L3_MISS_REMOTE|SKL_SNOOP_DRAM,
728 [ C(RESULT_ACCESS) ] = SKL_DEMAND_WRITE|
729 SKL_L3_MISS_LOCAL_DRAM|SKL_SNOOP_DRAM,
730 [ C(RESULT_MISS) ] = SKL_DEMAND_WRITE|
731 SKL_L3_MISS_REMOTE|SKL_SNOOP_DRAM,
733 [ C(OP_PREFETCH) ] = {
734 [ C(RESULT_ACCESS) ] = 0x0,
735 [ C(RESULT_MISS) ] = 0x0,
740 #define SNB_DMND_DATA_RD (1ULL << 0)
741 #define SNB_DMND_RFO (1ULL << 1)
742 #define SNB_DMND_IFETCH (1ULL << 2)
743 #define SNB_DMND_WB (1ULL << 3)
744 #define SNB_PF_DATA_RD (1ULL << 4)
745 #define SNB_PF_RFO (1ULL << 5)
746 #define SNB_PF_IFETCH (1ULL << 6)
747 #define SNB_LLC_DATA_RD (1ULL << 7)
748 #define SNB_LLC_RFO (1ULL << 8)
749 #define SNB_LLC_IFETCH (1ULL << 9)
750 #define SNB_BUS_LOCKS (1ULL << 10)
751 #define SNB_STRM_ST (1ULL << 11)
752 #define SNB_OTHER (1ULL << 15)
753 #define SNB_RESP_ANY (1ULL << 16)
754 #define SNB_NO_SUPP (1ULL << 17)
755 #define SNB_LLC_HITM (1ULL << 18)
756 #define SNB_LLC_HITE (1ULL << 19)
757 #define SNB_LLC_HITS (1ULL << 20)
758 #define SNB_LLC_HITF (1ULL << 21)
759 #define SNB_LOCAL (1ULL << 22)
760 #define SNB_REMOTE (0xffULL << 23)
761 #define SNB_SNP_NONE (1ULL << 31)
762 #define SNB_SNP_NOT_NEEDED (1ULL << 32)
763 #define SNB_SNP_MISS (1ULL << 33)
764 #define SNB_NO_FWD (1ULL << 34)
765 #define SNB_SNP_FWD (1ULL << 35)
766 #define SNB_HITM (1ULL << 36)
767 #define SNB_NON_DRAM (1ULL << 37)
769 #define SNB_DMND_READ (SNB_DMND_DATA_RD|SNB_LLC_DATA_RD)
770 #define SNB_DMND_WRITE (SNB_DMND_RFO|SNB_LLC_RFO)
771 #define SNB_DMND_PREFETCH (SNB_PF_DATA_RD|SNB_PF_RFO)
773 #define SNB_SNP_ANY (SNB_SNP_NONE|SNB_SNP_NOT_NEEDED| \
774 SNB_SNP_MISS|SNB_NO_FWD|SNB_SNP_FWD| \
777 #define SNB_DRAM_ANY (SNB_LOCAL|SNB_REMOTE|SNB_SNP_ANY)
778 #define SNB_DRAM_REMOTE (SNB_REMOTE|SNB_SNP_ANY)
780 #define SNB_L3_ACCESS SNB_RESP_ANY
781 #define SNB_L3_MISS (SNB_DRAM_ANY|SNB_NON_DRAM)
783 static __initconst const u64 snb_hw_cache_extra_regs
784 [PERF_COUNT_HW_CACHE_MAX]
785 [PERF_COUNT_HW_CACHE_OP_MAX]
786 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
790 [ C(RESULT_ACCESS) ] = SNB_DMND_READ|SNB_L3_ACCESS,
791 [ C(RESULT_MISS) ] = SNB_DMND_READ|SNB_L3_MISS,
794 [ C(RESULT_ACCESS) ] = SNB_DMND_WRITE|SNB_L3_ACCESS,
795 [ C(RESULT_MISS) ] = SNB_DMND_WRITE|SNB_L3_MISS,
797 [ C(OP_PREFETCH) ] = {
798 [ C(RESULT_ACCESS) ] = SNB_DMND_PREFETCH|SNB_L3_ACCESS,
799 [ C(RESULT_MISS) ] = SNB_DMND_PREFETCH|SNB_L3_MISS,
804 [ C(RESULT_ACCESS) ] = SNB_DMND_READ|SNB_DRAM_ANY,
805 [ C(RESULT_MISS) ] = SNB_DMND_READ|SNB_DRAM_REMOTE,
808 [ C(RESULT_ACCESS) ] = SNB_DMND_WRITE|SNB_DRAM_ANY,
809 [ C(RESULT_MISS) ] = SNB_DMND_WRITE|SNB_DRAM_REMOTE,
811 [ C(OP_PREFETCH) ] = {
812 [ C(RESULT_ACCESS) ] = SNB_DMND_PREFETCH|SNB_DRAM_ANY,
813 [ C(RESULT_MISS) ] = SNB_DMND_PREFETCH|SNB_DRAM_REMOTE,
818 static __initconst const u64 snb_hw_cache_event_ids
819 [PERF_COUNT_HW_CACHE_MAX]
820 [PERF_COUNT_HW_CACHE_OP_MAX]
821 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
825 [ C(RESULT_ACCESS) ] = 0xf1d0, /* MEM_UOP_RETIRED.LOADS */
826 [ C(RESULT_MISS) ] = 0x0151, /* L1D.REPLACEMENT */
829 [ C(RESULT_ACCESS) ] = 0xf2d0, /* MEM_UOP_RETIRED.STORES */
830 [ C(RESULT_MISS) ] = 0x0851, /* L1D.ALL_M_REPLACEMENT */
832 [ C(OP_PREFETCH) ] = {
833 [ C(RESULT_ACCESS) ] = 0x0,
834 [ C(RESULT_MISS) ] = 0x024e, /* HW_PRE_REQ.DL1_MISS */
839 [ C(RESULT_ACCESS) ] = 0x0,
840 [ C(RESULT_MISS) ] = 0x0280, /* ICACHE.MISSES */
843 [ C(RESULT_ACCESS) ] = -1,
844 [ C(RESULT_MISS) ] = -1,
846 [ C(OP_PREFETCH) ] = {
847 [ C(RESULT_ACCESS) ] = 0x0,
848 [ C(RESULT_MISS) ] = 0x0,
853 /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */
854 [ C(RESULT_ACCESS) ] = 0x01b7,
855 /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */
856 [ C(RESULT_MISS) ] = 0x01b7,
859 /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */
860 [ C(RESULT_ACCESS) ] = 0x01b7,
861 /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */
862 [ C(RESULT_MISS) ] = 0x01b7,
864 [ C(OP_PREFETCH) ] = {
865 /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */
866 [ C(RESULT_ACCESS) ] = 0x01b7,
867 /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */
868 [ C(RESULT_MISS) ] = 0x01b7,
873 [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOP_RETIRED.ALL_LOADS */
874 [ C(RESULT_MISS) ] = 0x0108, /* DTLB_LOAD_MISSES.CAUSES_A_WALK */
877 [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_UOP_RETIRED.ALL_STORES */
878 [ C(RESULT_MISS) ] = 0x0149, /* DTLB_STORE_MISSES.MISS_CAUSES_A_WALK */
880 [ C(OP_PREFETCH) ] = {
881 [ C(RESULT_ACCESS) ] = 0x0,
882 [ C(RESULT_MISS) ] = 0x0,
887 [ C(RESULT_ACCESS) ] = 0x1085, /* ITLB_MISSES.STLB_HIT */
888 [ C(RESULT_MISS) ] = 0x0185, /* ITLB_MISSES.CAUSES_A_WALK */
891 [ C(RESULT_ACCESS) ] = -1,
892 [ C(RESULT_MISS) ] = -1,
894 [ C(OP_PREFETCH) ] = {
895 [ C(RESULT_ACCESS) ] = -1,
896 [ C(RESULT_MISS) ] = -1,
901 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */
902 [ C(RESULT_MISS) ] = 0x00c5, /* BR_MISP_RETIRED.ALL_BRANCHES */
905 [ C(RESULT_ACCESS) ] = -1,
906 [ C(RESULT_MISS) ] = -1,
908 [ C(OP_PREFETCH) ] = {
909 [ C(RESULT_ACCESS) ] = -1,
910 [ C(RESULT_MISS) ] = -1,
915 [ C(RESULT_ACCESS) ] = 0x01b7,
916 [ C(RESULT_MISS) ] = 0x01b7,
919 [ C(RESULT_ACCESS) ] = 0x01b7,
920 [ C(RESULT_MISS) ] = 0x01b7,
922 [ C(OP_PREFETCH) ] = {
923 [ C(RESULT_ACCESS) ] = 0x01b7,
924 [ C(RESULT_MISS) ] = 0x01b7,
931 * Notes on the events:
932 * - data reads do not include code reads (comparable to earlier tables)
933 * - data counts include speculative execution (except L1 write, dtlb, bpu)
934 * - remote node access includes remote memory, remote cache, remote mmio.
935 * - prefetches are not included in the counts because they are not
939 #define HSW_DEMAND_DATA_RD BIT_ULL(0)
940 #define HSW_DEMAND_RFO BIT_ULL(1)
941 #define HSW_ANY_RESPONSE BIT_ULL(16)
942 #define HSW_SUPPLIER_NONE BIT_ULL(17)
943 #define HSW_L3_MISS_LOCAL_DRAM BIT_ULL(22)
944 #define HSW_L3_MISS_REMOTE_HOP0 BIT_ULL(27)
945 #define HSW_L3_MISS_REMOTE_HOP1 BIT_ULL(28)
946 #define HSW_L3_MISS_REMOTE_HOP2P BIT_ULL(29)
947 #define HSW_L3_MISS (HSW_L3_MISS_LOCAL_DRAM| \
948 HSW_L3_MISS_REMOTE_HOP0|HSW_L3_MISS_REMOTE_HOP1| \
949 HSW_L3_MISS_REMOTE_HOP2P)
950 #define HSW_SNOOP_NONE BIT_ULL(31)
951 #define HSW_SNOOP_NOT_NEEDED BIT_ULL(32)
952 #define HSW_SNOOP_MISS BIT_ULL(33)
953 #define HSW_SNOOP_HIT_NO_FWD BIT_ULL(34)
954 #define HSW_SNOOP_HIT_WITH_FWD BIT_ULL(35)
955 #define HSW_SNOOP_HITM BIT_ULL(36)
956 #define HSW_SNOOP_NON_DRAM BIT_ULL(37)
957 #define HSW_ANY_SNOOP (HSW_SNOOP_NONE| \
958 HSW_SNOOP_NOT_NEEDED|HSW_SNOOP_MISS| \
959 HSW_SNOOP_HIT_NO_FWD|HSW_SNOOP_HIT_WITH_FWD| \
960 HSW_SNOOP_HITM|HSW_SNOOP_NON_DRAM)
961 #define HSW_SNOOP_DRAM (HSW_ANY_SNOOP & ~HSW_SNOOP_NON_DRAM)
962 #define HSW_DEMAND_READ HSW_DEMAND_DATA_RD
963 #define HSW_DEMAND_WRITE HSW_DEMAND_RFO
964 #define HSW_L3_MISS_REMOTE (HSW_L3_MISS_REMOTE_HOP0|\
965 HSW_L3_MISS_REMOTE_HOP1|HSW_L3_MISS_REMOTE_HOP2P)
966 #define HSW_LLC_ACCESS HSW_ANY_RESPONSE
968 #define BDW_L3_MISS_LOCAL BIT(26)
969 #define BDW_L3_MISS (BDW_L3_MISS_LOCAL| \
970 HSW_L3_MISS_REMOTE_HOP0|HSW_L3_MISS_REMOTE_HOP1| \
971 HSW_L3_MISS_REMOTE_HOP2P)
974 static __initconst const u64 hsw_hw_cache_event_ids
975 [PERF_COUNT_HW_CACHE_MAX]
976 [PERF_COUNT_HW_CACHE_OP_MAX]
977 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
981 [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */
982 [ C(RESULT_MISS) ] = 0x151, /* L1D.REPLACEMENT */
985 [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */
986 [ C(RESULT_MISS) ] = 0x0,
988 [ C(OP_PREFETCH) ] = {
989 [ C(RESULT_ACCESS) ] = 0x0,
990 [ C(RESULT_MISS) ] = 0x0,
995 [ C(RESULT_ACCESS) ] = 0x0,
996 [ C(RESULT_MISS) ] = 0x280, /* ICACHE.MISSES */
999 [ C(RESULT_ACCESS) ] = -1,
1000 [ C(RESULT_MISS) ] = -1,
1002 [ C(OP_PREFETCH) ] = {
1003 [ C(RESULT_ACCESS) ] = 0x0,
1004 [ C(RESULT_MISS) ] = 0x0,
1009 [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */
1010 [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */
1013 [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */
1014 [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */
1016 [ C(OP_PREFETCH) ] = {
1017 [ C(RESULT_ACCESS) ] = 0x0,
1018 [ C(RESULT_MISS) ] = 0x0,
1023 [ C(RESULT_ACCESS) ] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */
1024 [ C(RESULT_MISS) ] = 0x108, /* DTLB_LOAD_MISSES.MISS_CAUSES_A_WALK */
1027 [ C(RESULT_ACCESS) ] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */
1028 [ C(RESULT_MISS) ] = 0x149, /* DTLB_STORE_MISSES.MISS_CAUSES_A_WALK */
1030 [ C(OP_PREFETCH) ] = {
1031 [ C(RESULT_ACCESS) ] = 0x0,
1032 [ C(RESULT_MISS) ] = 0x0,
1037 [ C(RESULT_ACCESS) ] = 0x6085, /* ITLB_MISSES.STLB_HIT */
1038 [ C(RESULT_MISS) ] = 0x185, /* ITLB_MISSES.MISS_CAUSES_A_WALK */
1041 [ C(RESULT_ACCESS) ] = -1,
1042 [ C(RESULT_MISS) ] = -1,
1044 [ C(OP_PREFETCH) ] = {
1045 [ C(RESULT_ACCESS) ] = -1,
1046 [ C(RESULT_MISS) ] = -1,
1051 [ C(RESULT_ACCESS) ] = 0xc4, /* BR_INST_RETIRED.ALL_BRANCHES */
1052 [ C(RESULT_MISS) ] = 0xc5, /* BR_MISP_RETIRED.ALL_BRANCHES */
1055 [ C(RESULT_ACCESS) ] = -1,
1056 [ C(RESULT_MISS) ] = -1,
1058 [ C(OP_PREFETCH) ] = {
1059 [ C(RESULT_ACCESS) ] = -1,
1060 [ C(RESULT_MISS) ] = -1,
1065 [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */
1066 [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */
1069 [ C(RESULT_ACCESS) ] = 0x1b7, /* OFFCORE_RESPONSE */
1070 [ C(RESULT_MISS) ] = 0x1b7, /* OFFCORE_RESPONSE */
1072 [ C(OP_PREFETCH) ] = {
1073 [ C(RESULT_ACCESS) ] = 0x0,
1074 [ C(RESULT_MISS) ] = 0x0,
1079 static __initconst const u64 hsw_hw_cache_extra_regs
1080 [PERF_COUNT_HW_CACHE_MAX]
1081 [PERF_COUNT_HW_CACHE_OP_MAX]
1082 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1086 [ C(RESULT_ACCESS) ] = HSW_DEMAND_READ|
1088 [ C(RESULT_MISS) ] = HSW_DEMAND_READ|
1089 HSW_L3_MISS|HSW_ANY_SNOOP,
1092 [ C(RESULT_ACCESS) ] = HSW_DEMAND_WRITE|
1094 [ C(RESULT_MISS) ] = HSW_DEMAND_WRITE|
1095 HSW_L3_MISS|HSW_ANY_SNOOP,
1097 [ C(OP_PREFETCH) ] = {
1098 [ C(RESULT_ACCESS) ] = 0x0,
1099 [ C(RESULT_MISS) ] = 0x0,
1104 [ C(RESULT_ACCESS) ] = HSW_DEMAND_READ|
1105 HSW_L3_MISS_LOCAL_DRAM|
1107 [ C(RESULT_MISS) ] = HSW_DEMAND_READ|
1112 [ C(RESULT_ACCESS) ] = HSW_DEMAND_WRITE|
1113 HSW_L3_MISS_LOCAL_DRAM|
1115 [ C(RESULT_MISS) ] = HSW_DEMAND_WRITE|
1119 [ C(OP_PREFETCH) ] = {
1120 [ C(RESULT_ACCESS) ] = 0x0,
1121 [ C(RESULT_MISS) ] = 0x0,
1126 static __initconst const u64 westmere_hw_cache_event_ids
1127 [PERF_COUNT_HW_CACHE_MAX]
1128 [PERF_COUNT_HW_CACHE_OP_MAX]
1129 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1133 [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS */
1134 [ C(RESULT_MISS) ] = 0x0151, /* L1D.REPL */
1137 [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES */
1138 [ C(RESULT_MISS) ] = 0x0251, /* L1D.M_REPL */
1140 [ C(OP_PREFETCH) ] = {
1141 [ C(RESULT_ACCESS) ] = 0x014e, /* L1D_PREFETCH.REQUESTS */
1142 [ C(RESULT_MISS) ] = 0x024e, /* L1D_PREFETCH.MISS */
1147 [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS */
1148 [ C(RESULT_MISS) ] = 0x0280, /* L1I.MISSES */
1151 [ C(RESULT_ACCESS) ] = -1,
1152 [ C(RESULT_MISS) ] = -1,
1154 [ C(OP_PREFETCH) ] = {
1155 [ C(RESULT_ACCESS) ] = 0x0,
1156 [ C(RESULT_MISS) ] = 0x0,
1161 /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */
1162 [ C(RESULT_ACCESS) ] = 0x01b7,
1163 /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */
1164 [ C(RESULT_MISS) ] = 0x01b7,
1167 * Use RFO, not WRITEBACK, because a write miss would typically occur
1171 /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */
1172 [ C(RESULT_ACCESS) ] = 0x01b7,
1173 /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */
1174 [ C(RESULT_MISS) ] = 0x01b7,
1176 [ C(OP_PREFETCH) ] = {
1177 /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */
1178 [ C(RESULT_ACCESS) ] = 0x01b7,
1179 /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */
1180 [ C(RESULT_MISS) ] = 0x01b7,
1185 [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS */
1186 [ C(RESULT_MISS) ] = 0x0108, /* DTLB_LOAD_MISSES.ANY */
1189 [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES */
1190 [ C(RESULT_MISS) ] = 0x010c, /* MEM_STORE_RETIRED.DTLB_MISS */
1192 [ C(OP_PREFETCH) ] = {
1193 [ C(RESULT_ACCESS) ] = 0x0,
1194 [ C(RESULT_MISS) ] = 0x0,
1199 [ C(RESULT_ACCESS) ] = 0x01c0, /* INST_RETIRED.ANY_P */
1200 [ C(RESULT_MISS) ] = 0x0185, /* ITLB_MISSES.ANY */
1203 [ C(RESULT_ACCESS) ] = -1,
1204 [ C(RESULT_MISS) ] = -1,
1206 [ C(OP_PREFETCH) ] = {
1207 [ C(RESULT_ACCESS) ] = -1,
1208 [ C(RESULT_MISS) ] = -1,
1213 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */
1214 [ C(RESULT_MISS) ] = 0x03e8, /* BPU_CLEARS.ANY */
1217 [ C(RESULT_ACCESS) ] = -1,
1218 [ C(RESULT_MISS) ] = -1,
1220 [ C(OP_PREFETCH) ] = {
1221 [ C(RESULT_ACCESS) ] = -1,
1222 [ C(RESULT_MISS) ] = -1,
1227 [ C(RESULT_ACCESS) ] = 0x01b7,
1228 [ C(RESULT_MISS) ] = 0x01b7,
1231 [ C(RESULT_ACCESS) ] = 0x01b7,
1232 [ C(RESULT_MISS) ] = 0x01b7,
1234 [ C(OP_PREFETCH) ] = {
1235 [ C(RESULT_ACCESS) ] = 0x01b7,
1236 [ C(RESULT_MISS) ] = 0x01b7,
1242 * Nehalem/Westmere MSR_OFFCORE_RESPONSE bits;
1243 * See IA32 SDM Vol 3B 30.6.1.3
1246 #define NHM_DMND_DATA_RD (1 << 0)
1247 #define NHM_DMND_RFO (1 << 1)
1248 #define NHM_DMND_IFETCH (1 << 2)
1249 #define NHM_DMND_WB (1 << 3)
1250 #define NHM_PF_DATA_RD (1 << 4)
1251 #define NHM_PF_DATA_RFO (1 << 5)
1252 #define NHM_PF_IFETCH (1 << 6)
1253 #define NHM_OFFCORE_OTHER (1 << 7)
1254 #define NHM_UNCORE_HIT (1 << 8)
1255 #define NHM_OTHER_CORE_HIT_SNP (1 << 9)
1256 #define NHM_OTHER_CORE_HITM (1 << 10)
1258 #define NHM_REMOTE_CACHE_FWD (1 << 12)
1259 #define NHM_REMOTE_DRAM (1 << 13)
1260 #define NHM_LOCAL_DRAM (1 << 14)
1261 #define NHM_NON_DRAM (1 << 15)
1263 #define NHM_LOCAL (NHM_LOCAL_DRAM|NHM_REMOTE_CACHE_FWD)
1264 #define NHM_REMOTE (NHM_REMOTE_DRAM)
1266 #define NHM_DMND_READ (NHM_DMND_DATA_RD)
1267 #define NHM_DMND_WRITE (NHM_DMND_RFO|NHM_DMND_WB)
1268 #define NHM_DMND_PREFETCH (NHM_PF_DATA_RD|NHM_PF_DATA_RFO)
1270 #define NHM_L3_HIT (NHM_UNCORE_HIT|NHM_OTHER_CORE_HIT_SNP|NHM_OTHER_CORE_HITM)
1271 #define NHM_L3_MISS (NHM_NON_DRAM|NHM_LOCAL_DRAM|NHM_REMOTE_DRAM|NHM_REMOTE_CACHE_FWD)
1272 #define NHM_L3_ACCESS (NHM_L3_HIT|NHM_L3_MISS)
1274 static __initconst const u64 nehalem_hw_cache_extra_regs
1275 [PERF_COUNT_HW_CACHE_MAX]
1276 [PERF_COUNT_HW_CACHE_OP_MAX]
1277 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1281 [ C(RESULT_ACCESS) ] = NHM_DMND_READ|NHM_L3_ACCESS,
1282 [ C(RESULT_MISS) ] = NHM_DMND_READ|NHM_L3_MISS,
1285 [ C(RESULT_ACCESS) ] = NHM_DMND_WRITE|NHM_L3_ACCESS,
1286 [ C(RESULT_MISS) ] = NHM_DMND_WRITE|NHM_L3_MISS,
1288 [ C(OP_PREFETCH) ] = {
1289 [ C(RESULT_ACCESS) ] = NHM_DMND_PREFETCH|NHM_L3_ACCESS,
1290 [ C(RESULT_MISS) ] = NHM_DMND_PREFETCH|NHM_L3_MISS,
1295 [ C(RESULT_ACCESS) ] = NHM_DMND_READ|NHM_LOCAL|NHM_REMOTE,
1296 [ C(RESULT_MISS) ] = NHM_DMND_READ|NHM_REMOTE,
1299 [ C(RESULT_ACCESS) ] = NHM_DMND_WRITE|NHM_LOCAL|NHM_REMOTE,
1300 [ C(RESULT_MISS) ] = NHM_DMND_WRITE|NHM_REMOTE,
1302 [ C(OP_PREFETCH) ] = {
1303 [ C(RESULT_ACCESS) ] = NHM_DMND_PREFETCH|NHM_LOCAL|NHM_REMOTE,
1304 [ C(RESULT_MISS) ] = NHM_DMND_PREFETCH|NHM_REMOTE,
1309 static __initconst const u64 nehalem_hw_cache_event_ids
1310 [PERF_COUNT_HW_CACHE_MAX]
1311 [PERF_COUNT_HW_CACHE_OP_MAX]
1312 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1316 [ C(RESULT_ACCESS) ] = 0x010b, /* MEM_INST_RETIRED.LOADS */
1317 [ C(RESULT_MISS) ] = 0x0151, /* L1D.REPL */
1320 [ C(RESULT_ACCESS) ] = 0x020b, /* MEM_INST_RETURED.STORES */
1321 [ C(RESULT_MISS) ] = 0x0251, /* L1D.M_REPL */
1323 [ C(OP_PREFETCH) ] = {
1324 [ C(RESULT_ACCESS) ] = 0x014e, /* L1D_PREFETCH.REQUESTS */
1325 [ C(RESULT_MISS) ] = 0x024e, /* L1D_PREFETCH.MISS */
1330 [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS */
1331 [ C(RESULT_MISS) ] = 0x0280, /* L1I.MISSES */
1334 [ C(RESULT_ACCESS) ] = -1,
1335 [ C(RESULT_MISS) ] = -1,
1337 [ C(OP_PREFETCH) ] = {
1338 [ C(RESULT_ACCESS) ] = 0x0,
1339 [ C(RESULT_MISS) ] = 0x0,
1344 /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */
1345 [ C(RESULT_ACCESS) ] = 0x01b7,
1346 /* OFFCORE_RESPONSE.ANY_DATA.ANY_LLC_MISS */
1347 [ C(RESULT_MISS) ] = 0x01b7,
1350 * Use RFO, not WRITEBACK, because a write miss would typically occur
1354 /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */
1355 [ C(RESULT_ACCESS) ] = 0x01b7,
1356 /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */
1357 [ C(RESULT_MISS) ] = 0x01b7,
1359 [ C(OP_PREFETCH) ] = {
1360 /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */
1361 [ C(RESULT_ACCESS) ] = 0x01b7,
1362 /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */
1363 [ C(RESULT_MISS) ] = 0x01b7,
1368 [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI (alias) */
1369 [ C(RESULT_MISS) ] = 0x0108, /* DTLB_LOAD_MISSES.ANY */
1372 [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI (alias) */
1373 [ C(RESULT_MISS) ] = 0x010c, /* MEM_STORE_RETIRED.DTLB_MISS */
1375 [ C(OP_PREFETCH) ] = {
1376 [ C(RESULT_ACCESS) ] = 0x0,
1377 [ C(RESULT_MISS) ] = 0x0,
1382 [ C(RESULT_ACCESS) ] = 0x01c0, /* INST_RETIRED.ANY_P */
1383 [ C(RESULT_MISS) ] = 0x20c8, /* ITLB_MISS_RETIRED */
1386 [ C(RESULT_ACCESS) ] = -1,
1387 [ C(RESULT_MISS) ] = -1,
1389 [ C(OP_PREFETCH) ] = {
1390 [ C(RESULT_ACCESS) ] = -1,
1391 [ C(RESULT_MISS) ] = -1,
1396 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */
1397 [ C(RESULT_MISS) ] = 0x03e8, /* BPU_CLEARS.ANY */
1400 [ C(RESULT_ACCESS) ] = -1,
1401 [ C(RESULT_MISS) ] = -1,
1403 [ C(OP_PREFETCH) ] = {
1404 [ C(RESULT_ACCESS) ] = -1,
1405 [ C(RESULT_MISS) ] = -1,
1410 [ C(RESULT_ACCESS) ] = 0x01b7,
1411 [ C(RESULT_MISS) ] = 0x01b7,
1414 [ C(RESULT_ACCESS) ] = 0x01b7,
1415 [ C(RESULT_MISS) ] = 0x01b7,
1417 [ C(OP_PREFETCH) ] = {
1418 [ C(RESULT_ACCESS) ] = 0x01b7,
1419 [ C(RESULT_MISS) ] = 0x01b7,
1424 static __initconst const u64 core2_hw_cache_event_ids
1425 [PERF_COUNT_HW_CACHE_MAX]
1426 [PERF_COUNT_HW_CACHE_OP_MAX]
1427 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1431 [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI */
1432 [ C(RESULT_MISS) ] = 0x0140, /* L1D_CACHE_LD.I_STATE */
1435 [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI */
1436 [ C(RESULT_MISS) ] = 0x0141, /* L1D_CACHE_ST.I_STATE */
1438 [ C(OP_PREFETCH) ] = {
1439 [ C(RESULT_ACCESS) ] = 0x104e, /* L1D_PREFETCH.REQUESTS */
1440 [ C(RESULT_MISS) ] = 0,
1445 [ C(RESULT_ACCESS) ] = 0x0080, /* L1I.READS */
1446 [ C(RESULT_MISS) ] = 0x0081, /* L1I.MISSES */
1449 [ C(RESULT_ACCESS) ] = -1,
1450 [ C(RESULT_MISS) ] = -1,
1452 [ C(OP_PREFETCH) ] = {
1453 [ C(RESULT_ACCESS) ] = 0,
1454 [ C(RESULT_MISS) ] = 0,
1459 [ C(RESULT_ACCESS) ] = 0x4f29, /* L2_LD.MESI */
1460 [ C(RESULT_MISS) ] = 0x4129, /* L2_LD.ISTATE */
1463 [ C(RESULT_ACCESS) ] = 0x4f2A, /* L2_ST.MESI */
1464 [ C(RESULT_MISS) ] = 0x412A, /* L2_ST.ISTATE */
1466 [ C(OP_PREFETCH) ] = {
1467 [ C(RESULT_ACCESS) ] = 0,
1468 [ C(RESULT_MISS) ] = 0,
1473 [ C(RESULT_ACCESS) ] = 0x0f40, /* L1D_CACHE_LD.MESI (alias) */
1474 [ C(RESULT_MISS) ] = 0x0208, /* DTLB_MISSES.MISS_LD */
1477 [ C(RESULT_ACCESS) ] = 0x0f41, /* L1D_CACHE_ST.MESI (alias) */
1478 [ C(RESULT_MISS) ] = 0x0808, /* DTLB_MISSES.MISS_ST */
1480 [ C(OP_PREFETCH) ] = {
1481 [ C(RESULT_ACCESS) ] = 0,
1482 [ C(RESULT_MISS) ] = 0,
1487 [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P */
1488 [ C(RESULT_MISS) ] = 0x1282, /* ITLBMISSES */
1491 [ C(RESULT_ACCESS) ] = -1,
1492 [ C(RESULT_MISS) ] = -1,
1494 [ C(OP_PREFETCH) ] = {
1495 [ C(RESULT_ACCESS) ] = -1,
1496 [ C(RESULT_MISS) ] = -1,
1501 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY */
1502 [ C(RESULT_MISS) ] = 0x00c5, /* BP_INST_RETIRED.MISPRED */
1505 [ C(RESULT_ACCESS) ] = -1,
1506 [ C(RESULT_MISS) ] = -1,
1508 [ C(OP_PREFETCH) ] = {
1509 [ C(RESULT_ACCESS) ] = -1,
1510 [ C(RESULT_MISS) ] = -1,
1515 static __initconst const u64 atom_hw_cache_event_ids
1516 [PERF_COUNT_HW_CACHE_MAX]
1517 [PERF_COUNT_HW_CACHE_OP_MAX]
1518 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1522 [ C(RESULT_ACCESS) ] = 0x2140, /* L1D_CACHE.LD */
1523 [ C(RESULT_MISS) ] = 0,
1526 [ C(RESULT_ACCESS) ] = 0x2240, /* L1D_CACHE.ST */
1527 [ C(RESULT_MISS) ] = 0,
1529 [ C(OP_PREFETCH) ] = {
1530 [ C(RESULT_ACCESS) ] = 0x0,
1531 [ C(RESULT_MISS) ] = 0,
1536 [ C(RESULT_ACCESS) ] = 0x0380, /* L1I.READS */
1537 [ C(RESULT_MISS) ] = 0x0280, /* L1I.MISSES */
1540 [ C(RESULT_ACCESS) ] = -1,
1541 [ C(RESULT_MISS) ] = -1,
1543 [ C(OP_PREFETCH) ] = {
1544 [ C(RESULT_ACCESS) ] = 0,
1545 [ C(RESULT_MISS) ] = 0,
1550 [ C(RESULT_ACCESS) ] = 0x4f29, /* L2_LD.MESI */
1551 [ C(RESULT_MISS) ] = 0x4129, /* L2_LD.ISTATE */
1554 [ C(RESULT_ACCESS) ] = 0x4f2A, /* L2_ST.MESI */
1555 [ C(RESULT_MISS) ] = 0x412A, /* L2_ST.ISTATE */
1557 [ C(OP_PREFETCH) ] = {
1558 [ C(RESULT_ACCESS) ] = 0,
1559 [ C(RESULT_MISS) ] = 0,
1564 [ C(RESULT_ACCESS) ] = 0x2140, /* L1D_CACHE_LD.MESI (alias) */
1565 [ C(RESULT_MISS) ] = 0x0508, /* DTLB_MISSES.MISS_LD */
1568 [ C(RESULT_ACCESS) ] = 0x2240, /* L1D_CACHE_ST.MESI (alias) */
1569 [ C(RESULT_MISS) ] = 0x0608, /* DTLB_MISSES.MISS_ST */
1571 [ C(OP_PREFETCH) ] = {
1572 [ C(RESULT_ACCESS) ] = 0,
1573 [ C(RESULT_MISS) ] = 0,
1578 [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P */
1579 [ C(RESULT_MISS) ] = 0x0282, /* ITLB.MISSES */
1582 [ C(RESULT_ACCESS) ] = -1,
1583 [ C(RESULT_MISS) ] = -1,
1585 [ C(OP_PREFETCH) ] = {
1586 [ C(RESULT_ACCESS) ] = -1,
1587 [ C(RESULT_MISS) ] = -1,
1592 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY */
1593 [ C(RESULT_MISS) ] = 0x00c5, /* BP_INST_RETIRED.MISPRED */
1596 [ C(RESULT_ACCESS) ] = -1,
1597 [ C(RESULT_MISS) ] = -1,
1599 [ C(OP_PREFETCH) ] = {
1600 [ C(RESULT_ACCESS) ] = -1,
1601 [ C(RESULT_MISS) ] = -1,
1606 EVENT_ATTR_STR(topdown-total-slots, td_total_slots_slm, "event=0x3c");
1607 EVENT_ATTR_STR(topdown-total-slots.scale, td_total_slots_scale_slm, "2");
1608 /* no_alloc_cycles.not_delivered */
1609 EVENT_ATTR_STR(topdown-fetch-bubbles, td_fetch_bubbles_slm,
1610 "event=0xca,umask=0x50");
1611 EVENT_ATTR_STR(topdown-fetch-bubbles.scale, td_fetch_bubbles_scale_slm, "2");
1612 /* uops_retired.all */
1613 EVENT_ATTR_STR(topdown-slots-issued, td_slots_issued_slm,
1614 "event=0xc2,umask=0x10");
1615 /* uops_retired.all */
1616 EVENT_ATTR_STR(topdown-slots-retired, td_slots_retired_slm,
1617 "event=0xc2,umask=0x10");
1619 static struct attribute *slm_events_attrs[] = {
1620 EVENT_PTR(td_total_slots_slm),
1621 EVENT_PTR(td_total_slots_scale_slm),
1622 EVENT_PTR(td_fetch_bubbles_slm),
1623 EVENT_PTR(td_fetch_bubbles_scale_slm),
1624 EVENT_PTR(td_slots_issued_slm),
1625 EVENT_PTR(td_slots_retired_slm),
1629 static struct extra_reg intel_slm_extra_regs[] __read_mostly =
1631 /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
1632 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x768005ffffull, RSP_0),
1633 INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0x368005ffffull, RSP_1),
1637 #define SLM_DMND_READ SNB_DMND_DATA_RD
1638 #define SLM_DMND_WRITE SNB_DMND_RFO
1639 #define SLM_DMND_PREFETCH (SNB_PF_DATA_RD|SNB_PF_RFO)
1641 #define SLM_SNP_ANY (SNB_SNP_NONE|SNB_SNP_MISS|SNB_NO_FWD|SNB_HITM)
1642 #define SLM_LLC_ACCESS SNB_RESP_ANY
1643 #define SLM_LLC_MISS (SLM_SNP_ANY|SNB_NON_DRAM)
1645 static __initconst const u64 slm_hw_cache_extra_regs
1646 [PERF_COUNT_HW_CACHE_MAX]
1647 [PERF_COUNT_HW_CACHE_OP_MAX]
1648 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1652 [ C(RESULT_ACCESS) ] = SLM_DMND_READ|SLM_LLC_ACCESS,
1653 [ C(RESULT_MISS) ] = 0,
1656 [ C(RESULT_ACCESS) ] = SLM_DMND_WRITE|SLM_LLC_ACCESS,
1657 [ C(RESULT_MISS) ] = SLM_DMND_WRITE|SLM_LLC_MISS,
1659 [ C(OP_PREFETCH) ] = {
1660 [ C(RESULT_ACCESS) ] = SLM_DMND_PREFETCH|SLM_LLC_ACCESS,
1661 [ C(RESULT_MISS) ] = SLM_DMND_PREFETCH|SLM_LLC_MISS,
1666 static __initconst const u64 slm_hw_cache_event_ids
1667 [PERF_COUNT_HW_CACHE_MAX]
1668 [PERF_COUNT_HW_CACHE_OP_MAX]
1669 [PERF_COUNT_HW_CACHE_RESULT_MAX] =
1673 [ C(RESULT_ACCESS) ] = 0,
1674 [ C(RESULT_MISS) ] = 0x0104, /* LD_DCU_MISS */
1677 [ C(RESULT_ACCESS) ] = 0,
1678 [ C(RESULT_MISS) ] = 0,
1680 [ C(OP_PREFETCH) ] = {
1681 [ C(RESULT_ACCESS) ] = 0,
1682 [ C(RESULT_MISS) ] = 0,
1687 [ C(RESULT_ACCESS) ] = 0x0380, /* ICACHE.ACCESSES */
1688 [ C(RESULT_MISS) ] = 0x0280, /* ICACGE.MISSES */
1691 [ C(RESULT_ACCESS) ] = -1,
1692 [ C(RESULT_MISS) ] = -1,
1694 [ C(OP_PREFETCH) ] = {
1695 [ C(RESULT_ACCESS) ] = 0,
1696 [ C(RESULT_MISS) ] = 0,
1701 /* OFFCORE_RESPONSE.ANY_DATA.LOCAL_CACHE */
1702 [ C(RESULT_ACCESS) ] = 0x01b7,
1703 [ C(RESULT_MISS) ] = 0,
1706 /* OFFCORE_RESPONSE.ANY_RFO.LOCAL_CACHE */
1707 [ C(RESULT_ACCESS) ] = 0x01b7,
1708 /* OFFCORE_RESPONSE.ANY_RFO.ANY_LLC_MISS */
1709 [ C(RESULT_MISS) ] = 0x01b7,
1711 [ C(OP_PREFETCH) ] = {
1712 /* OFFCORE_RESPONSE.PREFETCH.LOCAL_CACHE */
1713 [ C(RESULT_ACCESS) ] = 0x01b7,
1714 /* OFFCORE_RESPONSE.PREFETCH.ANY_LLC_MISS */
1715 [ C(RESULT_MISS) ] = 0x01b7,
1720 [ C(RESULT_ACCESS) ] = 0,
1721 [ C(RESULT_MISS) ] = 0x0804, /* LD_DTLB_MISS */
1724 [ C(RESULT_ACCESS) ] = 0,
1725 [ C(RESULT_MISS) ] = 0,
1727 [ C(OP_PREFETCH) ] = {
1728 [ C(RESULT_ACCESS) ] = 0,
1729 [ C(RESULT_MISS) ] = 0,
1734 [ C(RESULT_ACCESS) ] = 0x00c0, /* INST_RETIRED.ANY_P */
1735 [ C(RESULT_MISS) ] = 0x40205, /* PAGE_WALKS.I_SIDE_WALKS */
1738 [ C(RESULT_ACCESS) ] = -1,
1739 [ C(RESULT_MISS) ] = -1,
1741 [ C(OP_PREFETCH) ] = {
1742 [ C(RESULT_ACCESS) ] = -1,
1743 [ C(RESULT_MISS) ] = -1,
1748 [ C(RESULT_ACCESS) ] = 0x00c4, /* BR_INST_RETIRED.ANY */
1749 [ C(RESULT_MISS) ] = 0x00c5, /* BP_INST_RETIRED.MISPRED */
1752 [ C(RESULT_ACCESS) ] = -1,
1753 [ C(RESULT_MISS) ] = -1,
1755 [ C(OP_PREFETCH) ] = {
1756 [ C(RESULT_ACCESS) ] = -1,
1757 [ C(RESULT_MISS) ] = -1,
1762 EVENT_ATTR_STR(topdown-total-slots, td_total_slots_glm, "event=0x3c");
1763 EVENT_ATTR_STR(topdown-total-slots.scale, td_total_slots_scale_glm, "3");
1764 /* UOPS_NOT_DELIVERED.ANY */
1765 EVENT_ATTR_STR(topdown-fetch-bubbles, td_fetch_bubbles_glm, "event=0x9c");
1766 /* ISSUE_SLOTS_NOT_CONSUMED.RECOVERY */
1767 EVENT_ATTR_STR(topdown-recovery-bubbles, td_recovery_bubbles_glm, "event=0xca,umask=0x02");
1768 /* UOPS_RETIRED.ANY */
1769 EVENT_ATTR_STR(topdown-slots-retired, td_slots_retired_glm, "event=0xc2");
1770 /* UOPS_ISSUED.ANY */
1771 EVENT_ATTR_STR(topdown-slots-issued, td_slots_issued_glm, "event=0x0e");
1773 static struct attribute *glm_events_attrs[] = {
1774 EVENT_PTR(td_total_slots_glm),
1775 EVENT_PTR(td_total_slots_scale_glm),
1776 EVENT_PTR(td_fetch_bubbles_glm),
1777 EVENT_PTR(td_recovery_bubbles_glm),
1778 EVENT_PTR(td_slots_issued_glm),
1779 EVENT_PTR(td_slots_retired_glm),
1783 static struct extra_reg intel_glm_extra_regs[] __read_mostly = {
1784 /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
1785 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x760005ffbfull, RSP_0),
1786 INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0x360005ffbfull, RSP_1),
1790 #define GLM_DEMAND_DATA_RD BIT_ULL(0)
1791 #define GLM_DEMAND_RFO BIT_ULL(1)
1792 #define GLM_ANY_RESPONSE BIT_ULL(16)
1793 #define GLM_SNP_NONE_OR_MISS BIT_ULL(33)
1794 #define GLM_DEMAND_READ GLM_DEMAND_DATA_RD
1795 #define GLM_DEMAND_WRITE GLM_DEMAND_RFO
1796 #define GLM_DEMAND_PREFETCH (SNB_PF_DATA_RD|SNB_PF_RFO)
1797 #define GLM_LLC_ACCESS GLM_ANY_RESPONSE
1798 #define GLM_SNP_ANY (GLM_SNP_NONE_OR_MISS|SNB_NO_FWD|SNB_HITM)
1799 #define GLM_LLC_MISS (GLM_SNP_ANY|SNB_NON_DRAM)
1801 static __initconst const u64 glm_hw_cache_event_ids
1802 [PERF_COUNT_HW_CACHE_MAX]
1803 [PERF_COUNT_HW_CACHE_OP_MAX]
1804 [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
1807 [C(RESULT_ACCESS)] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */
1808 [C(RESULT_MISS)] = 0x0,
1811 [C(RESULT_ACCESS)] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */
1812 [C(RESULT_MISS)] = 0x0,
1814 [C(OP_PREFETCH)] = {
1815 [C(RESULT_ACCESS)] = 0x0,
1816 [C(RESULT_MISS)] = 0x0,
1821 [C(RESULT_ACCESS)] = 0x0380, /* ICACHE.ACCESSES */
1822 [C(RESULT_MISS)] = 0x0280, /* ICACHE.MISSES */
1825 [C(RESULT_ACCESS)] = -1,
1826 [C(RESULT_MISS)] = -1,
1828 [C(OP_PREFETCH)] = {
1829 [C(RESULT_ACCESS)] = 0x0,
1830 [C(RESULT_MISS)] = 0x0,
1835 [C(RESULT_ACCESS)] = 0x1b7, /* OFFCORE_RESPONSE */
1836 [C(RESULT_MISS)] = 0x1b7, /* OFFCORE_RESPONSE */
1839 [C(RESULT_ACCESS)] = 0x1b7, /* OFFCORE_RESPONSE */
1840 [C(RESULT_MISS)] = 0x1b7, /* OFFCORE_RESPONSE */
1842 [C(OP_PREFETCH)] = {
1843 [C(RESULT_ACCESS)] = 0x1b7, /* OFFCORE_RESPONSE */
1844 [C(RESULT_MISS)] = 0x1b7, /* OFFCORE_RESPONSE */
1849 [C(RESULT_ACCESS)] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */
1850 [C(RESULT_MISS)] = 0x0,
1853 [C(RESULT_ACCESS)] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */
1854 [C(RESULT_MISS)] = 0x0,
1856 [C(OP_PREFETCH)] = {
1857 [C(RESULT_ACCESS)] = 0x0,
1858 [C(RESULT_MISS)] = 0x0,
1863 [C(RESULT_ACCESS)] = 0x00c0, /* INST_RETIRED.ANY_P */
1864 [C(RESULT_MISS)] = 0x0481, /* ITLB.MISS */
1867 [C(RESULT_ACCESS)] = -1,
1868 [C(RESULT_MISS)] = -1,
1870 [C(OP_PREFETCH)] = {
1871 [C(RESULT_ACCESS)] = -1,
1872 [C(RESULT_MISS)] = -1,
1877 [C(RESULT_ACCESS)] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */
1878 [C(RESULT_MISS)] = 0x00c5, /* BR_MISP_RETIRED.ALL_BRANCHES */
1881 [C(RESULT_ACCESS)] = -1,
1882 [C(RESULT_MISS)] = -1,
1884 [C(OP_PREFETCH)] = {
1885 [C(RESULT_ACCESS)] = -1,
1886 [C(RESULT_MISS)] = -1,
1891 static __initconst const u64 glm_hw_cache_extra_regs
1892 [PERF_COUNT_HW_CACHE_MAX]
1893 [PERF_COUNT_HW_CACHE_OP_MAX]
1894 [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
1897 [C(RESULT_ACCESS)] = GLM_DEMAND_READ|
1899 [C(RESULT_MISS)] = GLM_DEMAND_READ|
1903 [C(RESULT_ACCESS)] = GLM_DEMAND_WRITE|
1905 [C(RESULT_MISS)] = GLM_DEMAND_WRITE|
1908 [C(OP_PREFETCH)] = {
1909 [C(RESULT_ACCESS)] = GLM_DEMAND_PREFETCH|
1911 [C(RESULT_MISS)] = GLM_DEMAND_PREFETCH|
1917 static __initconst const u64 glp_hw_cache_event_ids
1918 [PERF_COUNT_HW_CACHE_MAX]
1919 [PERF_COUNT_HW_CACHE_OP_MAX]
1920 [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
1923 [C(RESULT_ACCESS)] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */
1924 [C(RESULT_MISS)] = 0x0,
1927 [C(RESULT_ACCESS)] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */
1928 [C(RESULT_MISS)] = 0x0,
1930 [C(OP_PREFETCH)] = {
1931 [C(RESULT_ACCESS)] = 0x0,
1932 [C(RESULT_MISS)] = 0x0,
1937 [C(RESULT_ACCESS)] = 0x0380, /* ICACHE.ACCESSES */
1938 [C(RESULT_MISS)] = 0x0280, /* ICACHE.MISSES */
1941 [C(RESULT_ACCESS)] = -1,
1942 [C(RESULT_MISS)] = -1,
1944 [C(OP_PREFETCH)] = {
1945 [C(RESULT_ACCESS)] = 0x0,
1946 [C(RESULT_MISS)] = 0x0,
1951 [C(RESULT_ACCESS)] = 0x1b7, /* OFFCORE_RESPONSE */
1952 [C(RESULT_MISS)] = 0x1b7, /* OFFCORE_RESPONSE */
1955 [C(RESULT_ACCESS)] = 0x1b7, /* OFFCORE_RESPONSE */
1956 [C(RESULT_MISS)] = 0x1b7, /* OFFCORE_RESPONSE */
1958 [C(OP_PREFETCH)] = {
1959 [C(RESULT_ACCESS)] = 0x0,
1960 [C(RESULT_MISS)] = 0x0,
1965 [C(RESULT_ACCESS)] = 0x81d0, /* MEM_UOPS_RETIRED.ALL_LOADS */
1966 [C(RESULT_MISS)] = 0xe08, /* DTLB_LOAD_MISSES.WALK_COMPLETED */
1969 [C(RESULT_ACCESS)] = 0x82d0, /* MEM_UOPS_RETIRED.ALL_STORES */
1970 [C(RESULT_MISS)] = 0xe49, /* DTLB_STORE_MISSES.WALK_COMPLETED */
1972 [C(OP_PREFETCH)] = {
1973 [C(RESULT_ACCESS)] = 0x0,
1974 [C(RESULT_MISS)] = 0x0,
1979 [C(RESULT_ACCESS)] = 0x00c0, /* INST_RETIRED.ANY_P */
1980 [C(RESULT_MISS)] = 0x0481, /* ITLB.MISS */
1983 [C(RESULT_ACCESS)] = -1,
1984 [C(RESULT_MISS)] = -1,
1986 [C(OP_PREFETCH)] = {
1987 [C(RESULT_ACCESS)] = -1,
1988 [C(RESULT_MISS)] = -1,
1993 [C(RESULT_ACCESS)] = 0x00c4, /* BR_INST_RETIRED.ALL_BRANCHES */
1994 [C(RESULT_MISS)] = 0x00c5, /* BR_MISP_RETIRED.ALL_BRANCHES */
1997 [C(RESULT_ACCESS)] = -1,
1998 [C(RESULT_MISS)] = -1,
2000 [C(OP_PREFETCH)] = {
2001 [C(RESULT_ACCESS)] = -1,
2002 [C(RESULT_MISS)] = -1,
2007 static __initconst const u64 glp_hw_cache_extra_regs
2008 [PERF_COUNT_HW_CACHE_MAX]
2009 [PERF_COUNT_HW_CACHE_OP_MAX]
2010 [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
2013 [C(RESULT_ACCESS)] = GLM_DEMAND_READ|
2015 [C(RESULT_MISS)] = GLM_DEMAND_READ|
2019 [C(RESULT_ACCESS)] = GLM_DEMAND_WRITE|
2021 [C(RESULT_MISS)] = GLM_DEMAND_WRITE|
2024 [C(OP_PREFETCH)] = {
2025 [C(RESULT_ACCESS)] = 0x0,
2026 [C(RESULT_MISS)] = 0x0,
2031 #define TNT_LOCAL_DRAM BIT_ULL(26)
2032 #define TNT_DEMAND_READ GLM_DEMAND_DATA_RD
2033 #define TNT_DEMAND_WRITE GLM_DEMAND_RFO
2034 #define TNT_LLC_ACCESS GLM_ANY_RESPONSE
2035 #define TNT_SNP_ANY (SNB_SNP_NOT_NEEDED|SNB_SNP_MISS| \
2036 SNB_NO_FWD|SNB_SNP_FWD|SNB_HITM)
2037 #define TNT_LLC_MISS (TNT_SNP_ANY|SNB_NON_DRAM|TNT_LOCAL_DRAM)
2039 static __initconst const u64 tnt_hw_cache_extra_regs
2040 [PERF_COUNT_HW_CACHE_MAX]
2041 [PERF_COUNT_HW_CACHE_OP_MAX]
2042 [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
2045 [C(RESULT_ACCESS)] = TNT_DEMAND_READ|
2047 [C(RESULT_MISS)] = TNT_DEMAND_READ|
2051 [C(RESULT_ACCESS)] = TNT_DEMAND_WRITE|
2053 [C(RESULT_MISS)] = TNT_DEMAND_WRITE|
2056 [C(OP_PREFETCH)] = {
2057 [C(RESULT_ACCESS)] = 0x0,
2058 [C(RESULT_MISS)] = 0x0,
2063 EVENT_ATTR_STR(topdown-fe-bound, td_fe_bound_tnt, "event=0x71,umask=0x0");
2064 EVENT_ATTR_STR(topdown-retiring, td_retiring_tnt, "event=0xc2,umask=0x0");
2065 EVENT_ATTR_STR(topdown-bad-spec, td_bad_spec_tnt, "event=0x73,umask=0x6");
2066 EVENT_ATTR_STR(topdown-be-bound, td_be_bound_tnt, "event=0x74,umask=0x0");
2068 static struct attribute *tnt_events_attrs[] = {
2069 EVENT_PTR(td_fe_bound_tnt),
2070 EVENT_PTR(td_retiring_tnt),
2071 EVENT_PTR(td_bad_spec_tnt),
2072 EVENT_PTR(td_be_bound_tnt),
2076 static struct extra_reg intel_tnt_extra_regs[] __read_mostly = {
2077 /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
2078 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x800ff0ffffff9fffull, RSP_0),
2079 INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0xff0ffffff9fffull, RSP_1),
2083 static struct extra_reg intel_grt_extra_regs[] __read_mostly = {
2084 /* must define OFFCORE_RSP_X first, see intel_fixup_er() */
2085 INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffffffffull, RSP_0),
2086 INTEL_UEVENT_EXTRA_REG(0x02b7, MSR_OFFCORE_RSP_1, 0x3fffffffffull, RSP_1),
2087 INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x5d0),
2091 #define KNL_OT_L2_HITE BIT_ULL(19) /* Other Tile L2 Hit */
2092 #define KNL_OT_L2_HITF BIT_ULL(20) /* Other Tile L2 Hit */
2093 #define KNL_MCDRAM_LOCAL BIT_ULL(21)
2094 #define KNL_MCDRAM_FAR BIT_ULL(22)
2095 #define KNL_DDR_LOCAL BIT_ULL(23)
2096 #define KNL_DDR_FAR BIT_ULL(24)
2097 #define KNL_DRAM_ANY (KNL_MCDRAM_LOCAL | KNL_MCDRAM_FAR | \
2098 KNL_DDR_LOCAL | KNL_DDR_FAR)
2099 #define KNL_L2_READ SLM_DMND_READ
2100 #define KNL_L2_WRITE SLM_DMND_WRITE
2101 #define KNL_L2_PREFETCH SLM_DMND_PREFETCH
2102 #define KNL_L2_ACCESS SLM_LLC_ACCESS
2103 #define KNL_L2_MISS (KNL_OT_L2_HITE | KNL_OT_L2_HITF | \
2104 KNL_DRAM_ANY | SNB_SNP_ANY | \
2107 static __initconst const u64 knl_hw_cache_extra_regs
2108 [PERF_COUNT_HW_CACHE_MAX]
2109 [PERF_COUNT_HW_CACHE_OP_MAX]
2110 [PERF_COUNT_HW_CACHE_RESULT_MAX] = {
2113 [C(RESULT_ACCESS)] = KNL_L2_READ | KNL_L2_ACCESS,
2114 [C(RESULT_MISS)] = 0,
2117 [C(RESULT_ACCESS)] = KNL_L2_WRITE | KNL_L2_ACCESS,
2118 [C(RESULT_MISS)] = KNL_L2_WRITE | KNL_L2_MISS,
2120 [C(OP_PREFETCH)] = {
2121 [C(RESULT_ACCESS)] = KNL_L2_PREFETCH | KNL_L2_ACCESS,
2122 [C(RESULT_MISS)] = KNL_L2_PREFETCH | KNL_L2_MISS,
2128 * Used from PMIs where the LBRs are already disabled.
2130 * This function could be called consecutively. It is required to remain in
2131 * disabled state if called consecutively.
2133 * During consecutive calls, the same disable value will be written to related
2134 * registers, so the PMU state remains unchanged.
2136 * intel_bts events don't coexist with intel PMU's BTS events because of
2137 * x86_add_exclusive(x86_lbr_exclusive_lbr); there's no need to keep them
2138 * disabled around intel PMU's event batching etc, only inside the PMI handler.
2140 * Avoid PEBS_ENABLE MSR access in PMIs.
2141 * The GLOBAL_CTRL has been disabled. All the counters do not count anymore.
2142 * It doesn't matter if the PEBS is enabled or not.
2143 * Usually, the PEBS status are not changed in PMIs. It's unnecessary to
2144 * access PEBS_ENABLE MSR in disable_all()/enable_all().
2145 * However, there are some cases which may change PEBS status, e.g. PMI
2146 * throttle. The PEBS_ENABLE should be updated where the status changes.
2148 static __always_inline void __intel_pmu_disable_all(bool bts)
2150 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2152 wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0);
2154 if (bts && test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask))
2155 intel_pmu_disable_bts();
2158 static __always_inline void intel_pmu_disable_all(void)
2160 __intel_pmu_disable_all(true);
2161 intel_pmu_pebs_disable_all();
2162 intel_pmu_lbr_disable_all();
2165 static void __intel_pmu_enable_all(int added, bool pmi)
2167 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2168 u64 intel_ctrl = hybrid(cpuc->pmu, intel_ctrl);
2170 intel_pmu_lbr_enable_all(pmi);
2171 wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL,
2172 intel_ctrl & ~cpuc->intel_ctrl_guest_mask);
2174 if (test_bit(INTEL_PMC_IDX_FIXED_BTS, cpuc->active_mask)) {
2175 struct perf_event *event =
2176 cpuc->events[INTEL_PMC_IDX_FIXED_BTS];
2178 if (WARN_ON_ONCE(!event))
2181 intel_pmu_enable_bts(event->hw.config);
2185 static void intel_pmu_enable_all(int added)
2187 intel_pmu_pebs_enable_all();
2188 __intel_pmu_enable_all(added, false);
2192 __intel_pmu_snapshot_branch_stack(struct perf_branch_entry *entries,
2193 unsigned int cnt, unsigned long flags)
2195 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2197 intel_pmu_lbr_read();
2198 cnt = min_t(unsigned int, cnt, x86_pmu.lbr_nr);
2200 memcpy(entries, cpuc->lbr_entries, sizeof(struct perf_branch_entry) * cnt);
2201 intel_pmu_enable_all(0);
2202 local_irq_restore(flags);
2207 intel_pmu_snapshot_branch_stack(struct perf_branch_entry *entries, unsigned int cnt)
2209 unsigned long flags;
2211 /* must not have branches... */
2212 local_irq_save(flags);
2213 __intel_pmu_disable_all(false); /* we don't care about BTS */
2214 __intel_pmu_lbr_disable();
2215 /* ... until here */
2216 return __intel_pmu_snapshot_branch_stack(entries, cnt, flags);
2220 intel_pmu_snapshot_arch_branch_stack(struct perf_branch_entry *entries, unsigned int cnt)
2222 unsigned long flags;
2224 /* must not have branches... */
2225 local_irq_save(flags);
2226 __intel_pmu_disable_all(false); /* we don't care about BTS */
2227 __intel_pmu_arch_lbr_disable();
2228 /* ... until here */
2229 return __intel_pmu_snapshot_branch_stack(entries, cnt, flags);
2234 * Intel Errata AAK100 (model 26)
2235 * Intel Errata AAP53 (model 30)
2236 * Intel Errata BD53 (model 44)
2238 * The official story:
2239 * These chips need to be 'reset' when adding counters by programming the
2240 * magic three (non-counting) events 0x4300B5, 0x4300D2, and 0x4300B1 either
2241 * in sequence on the same PMC or on different PMCs.
2243 * In practice it appears some of these events do in fact count, and
2244 * we need to program all 4 events.
2246 static void intel_pmu_nhm_workaround(void)
2248 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2249 static const unsigned long nhm_magic[4] = {
2255 struct perf_event *event;
2259 * The Errata requires below steps:
2260 * 1) Clear MSR_IA32_PEBS_ENABLE and MSR_CORE_PERF_GLOBAL_CTRL;
2261 * 2) Configure 4 PERFEVTSELx with the magic events and clear
2262 * the corresponding PMCx;
2263 * 3) set bit0~bit3 of MSR_CORE_PERF_GLOBAL_CTRL;
2264 * 4) Clear MSR_CORE_PERF_GLOBAL_CTRL;
2265 * 5) Clear 4 pairs of ERFEVTSELx and PMCx;
2269 * The real steps we choose are a little different from above.
2270 * A) To reduce MSR operations, we don't run step 1) as they
2271 * are already cleared before this function is called;
2272 * B) Call x86_perf_event_update to save PMCx before configuring
2273 * PERFEVTSELx with magic number;
2274 * C) With step 5), we do clear only when the PERFEVTSELx is
2275 * not used currently.
2276 * D) Call x86_perf_event_set_period to restore PMCx;
2279 /* We always operate 4 pairs of PERF Counters */
2280 for (i = 0; i < 4; i++) {
2281 event = cpuc->events[i];
2283 x86_perf_event_update(event);
2286 for (i = 0; i < 4; i++) {
2287 wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + i, nhm_magic[i]);
2288 wrmsrl(MSR_ARCH_PERFMON_PERFCTR0 + i, 0x0);
2291 wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0xf);
2292 wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0x0);
2294 for (i = 0; i < 4; i++) {
2295 event = cpuc->events[i];
2298 x86_perf_event_set_period(event);
2299 __x86_pmu_enable_event(&event->hw,
2300 ARCH_PERFMON_EVENTSEL_ENABLE);
2302 wrmsrl(MSR_ARCH_PERFMON_EVENTSEL0 + i, 0x0);
2306 static void intel_pmu_nhm_enable_all(int added)
2309 intel_pmu_nhm_workaround();
2310 intel_pmu_enable_all(added);
2313 static void intel_set_tfa(struct cpu_hw_events *cpuc, bool on)
2315 u64 val = on ? MSR_TFA_RTM_FORCE_ABORT : 0;
2317 if (cpuc->tfa_shadow != val) {
2318 cpuc->tfa_shadow = val;
2319 wrmsrl(MSR_TSX_FORCE_ABORT, val);
2323 static void intel_tfa_commit_scheduling(struct cpu_hw_events *cpuc, int idx, int cntr)
2326 * We're going to use PMC3, make sure TFA is set before we touch it.
2329 intel_set_tfa(cpuc, true);
2332 static void intel_tfa_pmu_enable_all(int added)
2334 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2337 * If we find PMC3 is no longer used when we enable the PMU, we can
2340 if (!test_bit(3, cpuc->active_mask))
2341 intel_set_tfa(cpuc, false);
2343 intel_pmu_enable_all(added);
2346 static inline u64 intel_pmu_get_status(void)
2350 rdmsrl(MSR_CORE_PERF_GLOBAL_STATUS, status);
2355 static inline void intel_pmu_ack_status(u64 ack)
2357 wrmsrl(MSR_CORE_PERF_GLOBAL_OVF_CTRL, ack);
2360 static inline bool event_is_checkpointed(struct perf_event *event)
2362 return unlikely(event->hw.config & HSW_IN_TX_CHECKPOINTED) != 0;
2365 static inline void intel_set_masks(struct perf_event *event, int idx)
2367 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2369 if (event->attr.exclude_host)
2370 __set_bit(idx, (unsigned long *)&cpuc->intel_ctrl_guest_mask);
2371 if (event->attr.exclude_guest)
2372 __set_bit(idx, (unsigned long *)&cpuc->intel_ctrl_host_mask);
2373 if (event_is_checkpointed(event))
2374 __set_bit(idx, (unsigned long *)&cpuc->intel_cp_status);
2377 static inline void intel_clear_masks(struct perf_event *event, int idx)
2379 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2381 __clear_bit(idx, (unsigned long *)&cpuc->intel_ctrl_guest_mask);
2382 __clear_bit(idx, (unsigned long *)&cpuc->intel_ctrl_host_mask);
2383 __clear_bit(idx, (unsigned long *)&cpuc->intel_cp_status);
2386 static void intel_pmu_disable_fixed(struct perf_event *event)
2388 struct hw_perf_event *hwc = &event->hw;
2392 if (is_topdown_idx(idx)) {
2393 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2396 * When there are other active TopDown events,
2397 * don't disable the fixed counter 3.
2399 if (*(u64 *)cpuc->active_mask & INTEL_PMC_OTHER_TOPDOWN_BITS(idx))
2401 idx = INTEL_PMC_IDX_FIXED_SLOTS;
2404 intel_clear_masks(event, idx);
2406 mask = 0xfULL << ((idx - INTEL_PMC_IDX_FIXED) * 4);
2407 rdmsrl(hwc->config_base, ctrl_val);
2409 wrmsrl(hwc->config_base, ctrl_val);
2412 static void intel_pmu_disable_event(struct perf_event *event)
2414 struct hw_perf_event *hwc = &event->hw;
2418 case 0 ... INTEL_PMC_IDX_FIXED - 1:
2419 intel_clear_masks(event, idx);
2420 x86_pmu_disable_event(event);
2422 case INTEL_PMC_IDX_FIXED ... INTEL_PMC_IDX_FIXED_BTS - 1:
2423 case INTEL_PMC_IDX_METRIC_BASE ... INTEL_PMC_IDX_METRIC_END:
2424 intel_pmu_disable_fixed(event);
2426 case INTEL_PMC_IDX_FIXED_BTS:
2427 intel_pmu_disable_bts();
2428 intel_pmu_drain_bts_buffer();
2430 case INTEL_PMC_IDX_FIXED_VLBR:
2431 intel_clear_masks(event, idx);
2434 intel_clear_masks(event, idx);
2435 pr_warn("Failed to disable the event with invalid index %d\n",
2441 * Needs to be called after x86_pmu_disable_event,
2442 * so we don't trigger the event without PEBS bit set.
2444 if (unlikely(event->attr.precise_ip))
2445 intel_pmu_pebs_disable(event);
2448 static void intel_pmu_assign_event(struct perf_event *event, int idx)
2450 if (is_pebs_pt(event))
2451 perf_report_aux_output_id(event, idx);
2454 static void intel_pmu_del_event(struct perf_event *event)
2456 if (needs_branch_stack(event))
2457 intel_pmu_lbr_del(event);
2458 if (event->attr.precise_ip)
2459 intel_pmu_pebs_del(event);
2462 static int icl_set_topdown_event_period(struct perf_event *event)
2464 struct hw_perf_event *hwc = &event->hw;
2465 s64 left = local64_read(&hwc->period_left);
2468 * The values in PERF_METRICS MSR are derived from fixed counter 3.
2469 * Software should start both registers, PERF_METRICS and fixed
2470 * counter 3, from zero.
2471 * Clear PERF_METRICS and Fixed counter 3 in initialization.
2472 * After that, both MSRs will be cleared for each read.
2473 * Don't need to clear them again.
2475 if (left == x86_pmu.max_period) {
2476 wrmsrl(MSR_CORE_PERF_FIXED_CTR3, 0);
2477 wrmsrl(MSR_PERF_METRICS, 0);
2478 hwc->saved_slots = 0;
2479 hwc->saved_metric = 0;
2482 if ((hwc->saved_slots) && is_slots_event(event)) {
2483 wrmsrl(MSR_CORE_PERF_FIXED_CTR3, hwc->saved_slots);
2484 wrmsrl(MSR_PERF_METRICS, hwc->saved_metric);
2487 perf_event_update_userpage(event);
2492 static int adl_set_topdown_event_period(struct perf_event *event)
2494 struct x86_hybrid_pmu *pmu = hybrid_pmu(event->pmu);
2496 if (pmu->cpu_type != hybrid_big)
2499 return icl_set_topdown_event_period(event);
2502 static inline u64 icl_get_metrics_event_value(u64 metric, u64 slots, int idx)
2507 * The metric is reported as an 8bit integer fraction
2508 * summing up to 0xff.
2509 * slots-in-metric = (Metric / 0xff) * slots
2511 val = (metric >> ((idx - INTEL_PMC_IDX_METRIC_BASE) * 8)) & 0xff;
2512 return mul_u64_u32_div(slots, val, 0xff);
2515 static u64 icl_get_topdown_value(struct perf_event *event,
2516 u64 slots, u64 metrics)
2518 int idx = event->hw.idx;
2521 if (is_metric_idx(idx))
2522 delta = icl_get_metrics_event_value(metrics, slots, idx);
2529 static void __icl_update_topdown_event(struct perf_event *event,
2530 u64 slots, u64 metrics,
2531 u64 last_slots, u64 last_metrics)
2533 u64 delta, last = 0;
2535 delta = icl_get_topdown_value(event, slots, metrics);
2537 last = icl_get_topdown_value(event, last_slots, last_metrics);
2540 * The 8bit integer fraction of metric may be not accurate,
2541 * especially when the changes is very small.
2542 * For example, if only a few bad_spec happens, the fraction
2543 * may be reduced from 1 to 0. If so, the bad_spec event value
2544 * will be 0 which is definitely less than the last value.
2545 * Avoid update event->count for this case.
2549 local64_add(delta, &event->count);
2553 static void update_saved_topdown_regs(struct perf_event *event, u64 slots,
2554 u64 metrics, int metric_end)
2556 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2557 struct perf_event *other;
2560 event->hw.saved_slots = slots;
2561 event->hw.saved_metric = metrics;
2563 for_each_set_bit(idx, cpuc->active_mask, metric_end + 1) {
2564 if (!is_topdown_idx(idx))
2566 other = cpuc->events[idx];
2567 other->hw.saved_slots = slots;
2568 other->hw.saved_metric = metrics;
2573 * Update all active Topdown events.
2575 * The PERF_METRICS and Fixed counter 3 are read separately. The values may be
2576 * modify by a NMI. PMU has to be disabled before calling this function.
2579 static u64 intel_update_topdown_event(struct perf_event *event, int metric_end)
2581 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2582 struct perf_event *other;
2587 /* read Fixed counter 3 */
2588 rdpmcl((3 | INTEL_PMC_FIXED_RDPMC_BASE), slots);
2592 /* read PERF_METRICS */
2593 rdpmcl(INTEL_PMC_FIXED_RDPMC_METRICS, metrics);
2595 for_each_set_bit(idx, cpuc->active_mask, metric_end + 1) {
2596 if (!is_topdown_idx(idx))
2598 other = cpuc->events[idx];
2599 __icl_update_topdown_event(other, slots, metrics,
2600 event ? event->hw.saved_slots : 0,
2601 event ? event->hw.saved_metric : 0);
2605 * Check and update this event, which may have been cleared
2606 * in active_mask e.g. x86_pmu_stop()
2608 if (event && !test_bit(event->hw.idx, cpuc->active_mask)) {
2609 __icl_update_topdown_event(event, slots, metrics,
2610 event->hw.saved_slots,
2611 event->hw.saved_metric);
2614 * In x86_pmu_stop(), the event is cleared in active_mask first,
2615 * then drain the delta, which indicates context switch for
2617 * Save metric and slots for context switch.
2618 * Don't need to reset the PERF_METRICS and Fixed counter 3.
2619 * Because the values will be restored in next schedule in.
2621 update_saved_topdown_regs(event, slots, metrics, metric_end);
2626 /* The fixed counter 3 has to be written before the PERF_METRICS. */
2627 wrmsrl(MSR_CORE_PERF_FIXED_CTR3, 0);
2628 wrmsrl(MSR_PERF_METRICS, 0);
2630 update_saved_topdown_regs(event, 0, 0, metric_end);
2636 static u64 icl_update_topdown_event(struct perf_event *event)
2638 return intel_update_topdown_event(event, INTEL_PMC_IDX_METRIC_BASE +
2639 x86_pmu.num_topdown_events - 1);
2642 static u64 adl_update_topdown_event(struct perf_event *event)
2644 struct x86_hybrid_pmu *pmu = hybrid_pmu(event->pmu);
2646 if (pmu->cpu_type != hybrid_big)
2649 return icl_update_topdown_event(event);
2653 static void intel_pmu_read_topdown_event(struct perf_event *event)
2655 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2657 /* Only need to call update_topdown_event() once for group read. */
2658 if ((cpuc->txn_flags & PERF_PMU_TXN_READ) &&
2659 !is_slots_event(event))
2662 perf_pmu_disable(event->pmu);
2663 x86_pmu.update_topdown_event(event);
2664 perf_pmu_enable(event->pmu);
2667 static void intel_pmu_read_event(struct perf_event *event)
2669 if (event->hw.flags & PERF_X86_EVENT_AUTO_RELOAD)
2670 intel_pmu_auto_reload_read(event);
2671 else if (is_topdown_count(event) && x86_pmu.update_topdown_event)
2672 intel_pmu_read_topdown_event(event);
2674 x86_perf_event_update(event);
2677 static void intel_pmu_enable_fixed(struct perf_event *event)
2679 struct hw_perf_event *hwc = &event->hw;
2680 u64 ctrl_val, mask, bits = 0;
2683 if (is_topdown_idx(idx)) {
2684 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2686 * When there are other active TopDown events,
2687 * don't enable the fixed counter 3 again.
2689 if (*(u64 *)cpuc->active_mask & INTEL_PMC_OTHER_TOPDOWN_BITS(idx))
2692 idx = INTEL_PMC_IDX_FIXED_SLOTS;
2695 intel_set_masks(event, idx);
2698 * Enable IRQ generation (0x8), if not PEBS,
2699 * and enable ring-3 counting (0x2) and ring-0 counting (0x1)
2702 if (!event->attr.precise_ip)
2704 if (hwc->config & ARCH_PERFMON_EVENTSEL_USR)
2706 if (hwc->config & ARCH_PERFMON_EVENTSEL_OS)
2710 * ANY bit is supported in v3 and up
2712 if (x86_pmu.version > 2 && hwc->config & ARCH_PERFMON_EVENTSEL_ANY)
2715 idx -= INTEL_PMC_IDX_FIXED;
2717 mask = 0xfULL << (idx * 4);
2719 if (x86_pmu.intel_cap.pebs_baseline && event->attr.precise_ip) {
2720 bits |= ICL_FIXED_0_ADAPTIVE << (idx * 4);
2721 mask |= ICL_FIXED_0_ADAPTIVE << (idx * 4);
2724 rdmsrl(hwc->config_base, ctrl_val);
2727 wrmsrl(hwc->config_base, ctrl_val);
2730 static void intel_pmu_enable_event(struct perf_event *event)
2732 struct hw_perf_event *hwc = &event->hw;
2735 if (unlikely(event->attr.precise_ip))
2736 intel_pmu_pebs_enable(event);
2739 case 0 ... INTEL_PMC_IDX_FIXED - 1:
2740 intel_set_masks(event, idx);
2741 __x86_pmu_enable_event(hwc, ARCH_PERFMON_EVENTSEL_ENABLE);
2743 case INTEL_PMC_IDX_FIXED ... INTEL_PMC_IDX_FIXED_BTS - 1:
2744 case INTEL_PMC_IDX_METRIC_BASE ... INTEL_PMC_IDX_METRIC_END:
2745 intel_pmu_enable_fixed(event);
2747 case INTEL_PMC_IDX_FIXED_BTS:
2748 if (!__this_cpu_read(cpu_hw_events.enabled))
2750 intel_pmu_enable_bts(hwc->config);
2752 case INTEL_PMC_IDX_FIXED_VLBR:
2753 intel_set_masks(event, idx);
2756 pr_warn("Failed to enable the event with invalid index %d\n",
2761 static void intel_pmu_add_event(struct perf_event *event)
2763 if (event->attr.precise_ip)
2764 intel_pmu_pebs_add(event);
2765 if (needs_branch_stack(event))
2766 intel_pmu_lbr_add(event);
2770 * Save and restart an expired event. Called by NMI contexts,
2771 * so it has to be careful about preempting normal event ops:
2773 int intel_pmu_save_and_restart(struct perf_event *event)
2775 x86_perf_event_update(event);
2777 * For a checkpointed counter always reset back to 0. This
2778 * avoids a situation where the counter overflows, aborts the
2779 * transaction and is then set back to shortly before the
2780 * overflow, and overflows and aborts again.
2782 if (unlikely(event_is_checkpointed(event))) {
2783 /* No race with NMIs because the counter should not be armed */
2784 wrmsrl(event->hw.event_base, 0);
2785 local64_set(&event->hw.prev_count, 0);
2787 return x86_perf_event_set_period(event);
2790 static void intel_pmu_reset(void)
2792 struct debug_store *ds = __this_cpu_read(cpu_hw_events.ds);
2793 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2794 int num_counters_fixed = hybrid(cpuc->pmu, num_counters_fixed);
2795 int num_counters = hybrid(cpuc->pmu, num_counters);
2796 unsigned long flags;
2802 local_irq_save(flags);
2804 pr_info("clearing PMU state on CPU#%d\n", smp_processor_id());
2806 for (idx = 0; idx < num_counters; idx++) {
2807 wrmsrl_safe(x86_pmu_config_addr(idx), 0ull);
2808 wrmsrl_safe(x86_pmu_event_addr(idx), 0ull);
2810 for (idx = 0; idx < num_counters_fixed; idx++) {
2811 if (fixed_counter_disabled(idx, cpuc->pmu))
2813 wrmsrl_safe(MSR_ARCH_PERFMON_FIXED_CTR0 + idx, 0ull);
2817 ds->bts_index = ds->bts_buffer_base;
2819 /* Ack all overflows and disable fixed counters */
2820 if (x86_pmu.version >= 2) {
2821 intel_pmu_ack_status(intel_pmu_get_status());
2822 wrmsrl(MSR_CORE_PERF_GLOBAL_CTRL, 0);
2825 /* Reset LBRs and LBR freezing */
2826 if (x86_pmu.lbr_nr) {
2827 update_debugctlmsr(get_debugctlmsr() &
2828 ~(DEBUGCTLMSR_FREEZE_LBRS_ON_PMI|DEBUGCTLMSR_LBR));
2831 local_irq_restore(flags);
2834 static int handle_pmi_common(struct pt_regs *regs, u64 status)
2836 struct perf_sample_data data;
2837 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2840 u64 intel_ctrl = hybrid(cpuc->pmu, intel_ctrl);
2842 inc_irq_stat(apic_perf_irqs);
2845 * Ignore a range of extra bits in status that do not indicate
2846 * overflow by themselves.
2848 status &= ~(GLOBAL_STATUS_COND_CHG |
2849 GLOBAL_STATUS_ASIF |
2850 GLOBAL_STATUS_LBRS_FROZEN);
2854 * In case multiple PEBS events are sampled at the same time,
2855 * it is possible to have GLOBAL_STATUS bit 62 set indicating
2856 * PEBS buffer overflow and also seeing at most 3 PEBS counters
2857 * having their bits set in the status register. This is a sign
2858 * that there was at least one PEBS record pending at the time
2859 * of the PMU interrupt. PEBS counters must only be processed
2860 * via the drain_pebs() calls and not via the regular sample
2861 * processing loop coming after that the function, otherwise
2862 * phony regular samples may be generated in the sampling buffer
2863 * not marked with the EXACT tag. Another possibility is to have
2864 * one PEBS event and at least one non-PEBS event which overflows
2865 * while PEBS has armed. In this case, bit 62 of GLOBAL_STATUS will
2866 * not be set, yet the overflow status bit for the PEBS counter will
2869 * To avoid this problem, we systematically ignore the PEBS-enabled
2870 * counters from the GLOBAL_STATUS mask and we always process PEBS
2871 * events via drain_pebs().
2873 if (x86_pmu.flags & PMU_FL_PEBS_ALL)
2874 status &= ~cpuc->pebs_enabled;
2876 status &= ~(cpuc->pebs_enabled & PEBS_COUNTER_MASK);
2879 * PEBS overflow sets bit 62 in the global status register
2881 if (__test_and_clear_bit(GLOBAL_STATUS_BUFFER_OVF_BIT, (unsigned long *)&status)) {
2882 u64 pebs_enabled = cpuc->pebs_enabled;
2885 x86_pmu.drain_pebs(regs, &data);
2886 status &= intel_ctrl | GLOBAL_STATUS_TRACE_TOPAPMI;
2889 * PMI throttle may be triggered, which stops the PEBS event.
2890 * Although cpuc->pebs_enabled is updated accordingly, the
2891 * MSR_IA32_PEBS_ENABLE is not updated. Because the
2892 * cpuc->enabled has been forced to 0 in PMI.
2893 * Update the MSR if pebs_enabled is changed.
2895 if (pebs_enabled != cpuc->pebs_enabled)
2896 wrmsrl(MSR_IA32_PEBS_ENABLE, cpuc->pebs_enabled);
2902 if (__test_and_clear_bit(GLOBAL_STATUS_TRACE_TOPAPMI_BIT, (unsigned long *)&status)) {
2904 if (!perf_guest_handle_intel_pt_intr())
2905 intel_pt_interrupt();
2909 * Intel Perf metrics
2911 if (__test_and_clear_bit(GLOBAL_STATUS_PERF_METRICS_OVF_BIT, (unsigned long *)&status)) {
2913 if (x86_pmu.update_topdown_event)
2914 x86_pmu.update_topdown_event(NULL);
2918 * Checkpointed counters can lead to 'spurious' PMIs because the
2919 * rollback caused by the PMI will have cleared the overflow status
2920 * bit. Therefore always force probe these counters.
2922 status |= cpuc->intel_cp_status;
2924 for_each_set_bit(bit, (unsigned long *)&status, X86_PMC_IDX_MAX) {
2925 struct perf_event *event = cpuc->events[bit];
2929 if (!test_bit(bit, cpuc->active_mask))
2932 if (!intel_pmu_save_and_restart(event))
2935 perf_sample_data_init(&data, 0, event->hw.last_period);
2937 if (has_branch_stack(event))
2938 data.br_stack = &cpuc->lbr_stack;
2940 if (perf_event_overflow(event, &data, regs))
2941 x86_pmu_stop(event, 0);
2948 * This handler is triggered by the local APIC, so the APIC IRQ handling
2951 static int intel_pmu_handle_irq(struct pt_regs *regs)
2953 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
2954 bool late_ack = hybrid_bit(cpuc->pmu, late_ack);
2955 bool mid_ack = hybrid_bit(cpuc->pmu, mid_ack);
2962 * Save the PMU state.
2963 * It needs to be restored when leaving the handler.
2965 pmu_enabled = cpuc->enabled;
2967 * In general, the early ACK is only applied for old platforms.
2968 * For the big core starts from Haswell, the late ACK should be
2970 * For the small core after Tremont, we have to do the ACK right
2971 * before re-enabling counters, which is in the middle of the
2974 if (!late_ack && !mid_ack)
2975 apic_write(APIC_LVTPC, APIC_DM_NMI);
2976 intel_bts_disable_local();
2978 __intel_pmu_disable_all(true);
2979 handled = intel_pmu_drain_bts_buffer();
2980 handled += intel_bts_interrupt();
2981 status = intel_pmu_get_status();
2987 intel_pmu_lbr_read();
2988 intel_pmu_ack_status(status);
2989 if (++loops > 100) {
2993 WARN(1, "perfevents: irq loop stuck!\n");
2994 perf_event_print_debug();
3001 handled += handle_pmi_common(regs, status);
3004 * Repeat if there is more work to be done:
3006 status = intel_pmu_get_status();
3012 apic_write(APIC_LVTPC, APIC_DM_NMI);
3013 /* Only restore PMU state when it's active. See x86_pmu_disable(). */
3014 cpuc->enabled = pmu_enabled;
3016 __intel_pmu_enable_all(0, true);
3017 intel_bts_enable_local();
3020 * Only unmask the NMI after the overflow counters
3021 * have been reset. This avoids spurious NMIs on
3025 apic_write(APIC_LVTPC, APIC_DM_NMI);
3029 static struct event_constraint *
3030 intel_bts_constraints(struct perf_event *event)
3032 if (unlikely(intel_pmu_has_bts(event)))
3033 return &bts_constraint;
3039 * Note: matches a fake event, like Fixed2.
3041 static struct event_constraint *
3042 intel_vlbr_constraints(struct perf_event *event)
3044 struct event_constraint *c = &vlbr_constraint;
3046 if (unlikely(constraint_match(c, event->hw.config))) {
3047 event->hw.flags |= c->flags;
3054 static int intel_alt_er(struct cpu_hw_events *cpuc,
3055 int idx, u64 config)
3057 struct extra_reg *extra_regs = hybrid(cpuc->pmu, extra_regs);
3060 if (!(x86_pmu.flags & PMU_FL_HAS_RSP_1))
3063 if (idx == EXTRA_REG_RSP_0)
3064 alt_idx = EXTRA_REG_RSP_1;
3066 if (idx == EXTRA_REG_RSP_1)
3067 alt_idx = EXTRA_REG_RSP_0;
3069 if (config & ~extra_regs[alt_idx].valid_mask)
3075 static void intel_fixup_er(struct perf_event *event, int idx)
3077 struct extra_reg *extra_regs = hybrid(event->pmu, extra_regs);
3078 event->hw.extra_reg.idx = idx;
3080 if (idx == EXTRA_REG_RSP_0) {
3081 event->hw.config &= ~INTEL_ARCH_EVENT_MASK;
3082 event->hw.config |= extra_regs[EXTRA_REG_RSP_0].event;
3083 event->hw.extra_reg.reg = MSR_OFFCORE_RSP_0;
3084 } else if (idx == EXTRA_REG_RSP_1) {
3085 event->hw.config &= ~INTEL_ARCH_EVENT_MASK;
3086 event->hw.config |= extra_regs[EXTRA_REG_RSP_1].event;
3087 event->hw.extra_reg.reg = MSR_OFFCORE_RSP_1;
3092 * manage allocation of shared extra msr for certain events
3095 * per-cpu: to be shared between the various events on a single PMU
3096 * per-core: per-cpu + shared by HT threads
3098 static struct event_constraint *
3099 __intel_shared_reg_get_constraints(struct cpu_hw_events *cpuc,
3100 struct perf_event *event,
3101 struct hw_perf_event_extra *reg)
3103 struct event_constraint *c = &emptyconstraint;
3104 struct er_account *era;
3105 unsigned long flags;
3109 * reg->alloc can be set due to existing state, so for fake cpuc we
3110 * need to ignore this, otherwise we might fail to allocate proper fake
3111 * state for this extra reg constraint. Also see the comment below.
3113 if (reg->alloc && !cpuc->is_fake)
3114 return NULL; /* call x86_get_event_constraint() */
3117 era = &cpuc->shared_regs->regs[idx];
3119 * we use spin_lock_irqsave() to avoid lockdep issues when
3120 * passing a fake cpuc
3122 raw_spin_lock_irqsave(&era->lock, flags);
3124 if (!atomic_read(&era->ref) || era->config == reg->config) {
3127 * If its a fake cpuc -- as per validate_{group,event}() we
3128 * shouldn't touch event state and we can avoid doing so
3129 * since both will only call get_event_constraints() once
3130 * on each event, this avoids the need for reg->alloc.
3132 * Not doing the ER fixup will only result in era->reg being
3133 * wrong, but since we won't actually try and program hardware
3134 * this isn't a problem either.
3136 if (!cpuc->is_fake) {
3137 if (idx != reg->idx)
3138 intel_fixup_er(event, idx);
3141 * x86_schedule_events() can call get_event_constraints()
3142 * multiple times on events in the case of incremental
3143 * scheduling(). reg->alloc ensures we only do the ER
3149 /* lock in msr value */
3150 era->config = reg->config;
3151 era->reg = reg->reg;
3154 atomic_inc(&era->ref);
3157 * need to call x86_get_event_constraint()
3158 * to check if associated event has constraints
3162 idx = intel_alt_er(cpuc, idx, reg->config);
3163 if (idx != reg->idx) {
3164 raw_spin_unlock_irqrestore(&era->lock, flags);
3168 raw_spin_unlock_irqrestore(&era->lock, flags);
3174 __intel_shared_reg_put_constraints(struct cpu_hw_events *cpuc,
3175 struct hw_perf_event_extra *reg)
3177 struct er_account *era;
3180 * Only put constraint if extra reg was actually allocated. Also takes
3181 * care of event which do not use an extra shared reg.
3183 * Also, if this is a fake cpuc we shouldn't touch any event state
3184 * (reg->alloc) and we don't care about leaving inconsistent cpuc state
3185 * either since it'll be thrown out.
3187 if (!reg->alloc || cpuc->is_fake)
3190 era = &cpuc->shared_regs->regs[reg->idx];
3192 /* one fewer user */
3193 atomic_dec(&era->ref);
3195 /* allocate again next time */
3199 static struct event_constraint *
3200 intel_shared_regs_constraints(struct cpu_hw_events *cpuc,
3201 struct perf_event *event)
3203 struct event_constraint *c = NULL, *d;
3204 struct hw_perf_event_extra *xreg, *breg;
3206 xreg = &event->hw.extra_reg;
3207 if (xreg->idx != EXTRA_REG_NONE) {
3208 c = __intel_shared_reg_get_constraints(cpuc, event, xreg);
3209 if (c == &emptyconstraint)
3212 breg = &event->hw.branch_reg;
3213 if (breg->idx != EXTRA_REG_NONE) {
3214 d = __intel_shared_reg_get_constraints(cpuc, event, breg);
3215 if (d == &emptyconstraint) {
3216 __intel_shared_reg_put_constraints(cpuc, xreg);
3223 struct event_constraint *
3224 x86_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
3225 struct perf_event *event)
3227 struct event_constraint *event_constraints = hybrid(cpuc->pmu, event_constraints);
3228 struct event_constraint *c;
3230 if (event_constraints) {
3231 for_each_event_constraint(c, event_constraints) {
3232 if (constraint_match(c, event->hw.config)) {
3233 event->hw.flags |= c->flags;
3239 return &hybrid_var(cpuc->pmu, unconstrained);
3242 static struct event_constraint *
3243 __intel_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
3244 struct perf_event *event)
3246 struct event_constraint *c;
3248 c = intel_vlbr_constraints(event);
3252 c = intel_bts_constraints(event);
3256 c = intel_shared_regs_constraints(cpuc, event);
3260 c = intel_pebs_constraints(event);
3264 return x86_get_event_constraints(cpuc, idx, event);
3268 intel_start_scheduling(struct cpu_hw_events *cpuc)
3270 struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs;
3271 struct intel_excl_states *xl;
3272 int tid = cpuc->excl_thread_id;
3275 * nothing needed if in group validation mode
3277 if (cpuc->is_fake || !is_ht_workaround_enabled())
3281 * no exclusion needed
3283 if (WARN_ON_ONCE(!excl_cntrs))
3286 xl = &excl_cntrs->states[tid];
3288 xl->sched_started = true;
3290 * lock shared state until we are done scheduling
3291 * in stop_event_scheduling()
3292 * makes scheduling appear as a transaction
3294 raw_spin_lock(&excl_cntrs->lock);
3297 static void intel_commit_scheduling(struct cpu_hw_events *cpuc, int idx, int cntr)
3299 struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs;
3300 struct event_constraint *c = cpuc->event_constraint[idx];
3301 struct intel_excl_states *xl;
3302 int tid = cpuc->excl_thread_id;
3304 if (cpuc->is_fake || !is_ht_workaround_enabled())
3307 if (WARN_ON_ONCE(!excl_cntrs))
3310 if (!(c->flags & PERF_X86_EVENT_DYNAMIC))
3313 xl = &excl_cntrs->states[tid];
3315 lockdep_assert_held(&excl_cntrs->lock);
3317 if (c->flags & PERF_X86_EVENT_EXCL)
3318 xl->state[cntr] = INTEL_EXCL_EXCLUSIVE;
3320 xl->state[cntr] = INTEL_EXCL_SHARED;
3324 intel_stop_scheduling(struct cpu_hw_events *cpuc)
3326 struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs;
3327 struct intel_excl_states *xl;
3328 int tid = cpuc->excl_thread_id;
3331 * nothing needed if in group validation mode
3333 if (cpuc->is_fake || !is_ht_workaround_enabled())
3336 * no exclusion needed
3338 if (WARN_ON_ONCE(!excl_cntrs))
3341 xl = &excl_cntrs->states[tid];
3343 xl->sched_started = false;
3345 * release shared state lock (acquired in intel_start_scheduling())
3347 raw_spin_unlock(&excl_cntrs->lock);
3350 static struct event_constraint *
3351 dyn_constraint(struct cpu_hw_events *cpuc, struct event_constraint *c, int idx)
3353 WARN_ON_ONCE(!cpuc->constraint_list);
3355 if (!(c->flags & PERF_X86_EVENT_DYNAMIC)) {
3356 struct event_constraint *cx;
3359 * grab pre-allocated constraint entry
3361 cx = &cpuc->constraint_list[idx];
3364 * initialize dynamic constraint
3365 * with static constraint
3370 * mark constraint as dynamic
3372 cx->flags |= PERF_X86_EVENT_DYNAMIC;
3379 static struct event_constraint *
3380 intel_get_excl_constraints(struct cpu_hw_events *cpuc, struct perf_event *event,
3381 int idx, struct event_constraint *c)
3383 struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs;
3384 struct intel_excl_states *xlo;
3385 int tid = cpuc->excl_thread_id;
3389 * validating a group does not require
3390 * enforcing cross-thread exclusion
3392 if (cpuc->is_fake || !is_ht_workaround_enabled())
3396 * no exclusion needed
3398 if (WARN_ON_ONCE(!excl_cntrs))
3402 * because we modify the constraint, we need
3403 * to make a copy. Static constraints come
3404 * from static const tables.
3406 * only needed when constraint has not yet
3407 * been cloned (marked dynamic)
3409 c = dyn_constraint(cpuc, c, idx);
3412 * From here on, the constraint is dynamic.
3413 * Either it was just allocated above, or it
3414 * was allocated during a earlier invocation
3419 * state of sibling HT
3421 xlo = &excl_cntrs->states[tid ^ 1];
3424 * event requires exclusive counter access
3427 is_excl = c->flags & PERF_X86_EVENT_EXCL;
3428 if (is_excl && !(event->hw.flags & PERF_X86_EVENT_EXCL_ACCT)) {
3429 event->hw.flags |= PERF_X86_EVENT_EXCL_ACCT;
3430 if (!cpuc->n_excl++)
3431 WRITE_ONCE(excl_cntrs->has_exclusive[tid], 1);
3435 * Modify static constraint with current dynamic
3438 * EXCLUSIVE: sibling counter measuring exclusive event
3439 * SHARED : sibling counter measuring non-exclusive event
3440 * UNUSED : sibling counter unused
3443 for_each_set_bit(i, c->idxmsk, X86_PMC_IDX_MAX) {
3445 * exclusive event in sibling counter
3446 * our corresponding counter cannot be used
3447 * regardless of our event
3449 if (xlo->state[i] == INTEL_EXCL_EXCLUSIVE) {
3450 __clear_bit(i, c->idxmsk);
3455 * if measuring an exclusive event, sibling
3456 * measuring non-exclusive, then counter cannot
3459 if (is_excl && xlo->state[i] == INTEL_EXCL_SHARED) {
3460 __clear_bit(i, c->idxmsk);
3467 * if we return an empty mask, then switch
3468 * back to static empty constraint to avoid
3469 * the cost of freeing later on
3472 c = &emptyconstraint;
3479 static struct event_constraint *
3480 intel_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
3481 struct perf_event *event)
3483 struct event_constraint *c1, *c2;
3485 c1 = cpuc->event_constraint[idx];
3489 * - static constraint: no change across incremental scheduling calls
3490 * - dynamic constraint: handled by intel_get_excl_constraints()
3492 c2 = __intel_get_event_constraints(cpuc, idx, event);
3494 WARN_ON_ONCE(!(c1->flags & PERF_X86_EVENT_DYNAMIC));
3495 bitmap_copy(c1->idxmsk, c2->idxmsk, X86_PMC_IDX_MAX);
3496 c1->weight = c2->weight;
3500 if (cpuc->excl_cntrs)
3501 return intel_get_excl_constraints(cpuc, event, idx, c2);
3506 static void intel_put_excl_constraints(struct cpu_hw_events *cpuc,
3507 struct perf_event *event)
3509 struct hw_perf_event *hwc = &event->hw;
3510 struct intel_excl_cntrs *excl_cntrs = cpuc->excl_cntrs;
3511 int tid = cpuc->excl_thread_id;
3512 struct intel_excl_states *xl;
3515 * nothing needed if in group validation mode
3520 if (WARN_ON_ONCE(!excl_cntrs))
3523 if (hwc->flags & PERF_X86_EVENT_EXCL_ACCT) {
3524 hwc->flags &= ~PERF_X86_EVENT_EXCL_ACCT;
3525 if (!--cpuc->n_excl)
3526 WRITE_ONCE(excl_cntrs->has_exclusive[tid], 0);
3530 * If event was actually assigned, then mark the counter state as
3533 if (hwc->idx >= 0) {
3534 xl = &excl_cntrs->states[tid];
3537 * put_constraint may be called from x86_schedule_events()
3538 * which already has the lock held so here make locking
3541 if (!xl->sched_started)
3542 raw_spin_lock(&excl_cntrs->lock);
3544 xl->state[hwc->idx] = INTEL_EXCL_UNUSED;
3546 if (!xl->sched_started)
3547 raw_spin_unlock(&excl_cntrs->lock);
3552 intel_put_shared_regs_event_constraints(struct cpu_hw_events *cpuc,
3553 struct perf_event *event)
3555 struct hw_perf_event_extra *reg;
3557 reg = &event->hw.extra_reg;
3558 if (reg->idx != EXTRA_REG_NONE)
3559 __intel_shared_reg_put_constraints(cpuc, reg);
3561 reg = &event->hw.branch_reg;
3562 if (reg->idx != EXTRA_REG_NONE)
3563 __intel_shared_reg_put_constraints(cpuc, reg);
3566 static void intel_put_event_constraints(struct cpu_hw_events *cpuc,
3567 struct perf_event *event)
3569 intel_put_shared_regs_event_constraints(cpuc, event);
3572 * is PMU has exclusive counter restrictions, then
3573 * all events are subject to and must call the
3574 * put_excl_constraints() routine
3576 if (cpuc->excl_cntrs)
3577 intel_put_excl_constraints(cpuc, event);
3580 static void intel_pebs_aliases_core2(struct perf_event *event)
3582 if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) {
3584 * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P
3585 * (0x003c) so that we can use it with PEBS.
3587 * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't
3588 * PEBS capable. However we can use INST_RETIRED.ANY_P
3589 * (0x00c0), which is a PEBS capable event, to get the same
3592 * INST_RETIRED.ANY_P counts the number of cycles that retires
3593 * CNTMASK instructions. By setting CNTMASK to a value (16)
3594 * larger than the maximum number of instructions that can be
3595 * retired per cycle (4) and then inverting the condition, we
3596 * count all cycles that retire 16 or less instructions, which
3599 * Thereby we gain a PEBS capable cycle counter.
3601 u64 alt_config = X86_CONFIG(.event=0xc0, .inv=1, .cmask=16);
3603 alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK);
3604 event->hw.config = alt_config;
3608 static void intel_pebs_aliases_snb(struct perf_event *event)
3610 if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) {
3612 * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P
3613 * (0x003c) so that we can use it with PEBS.
3615 * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't
3616 * PEBS capable. However we can use UOPS_RETIRED.ALL
3617 * (0x01c2), which is a PEBS capable event, to get the same
3620 * UOPS_RETIRED.ALL counts the number of cycles that retires
3621 * CNTMASK micro-ops. By setting CNTMASK to a value (16)
3622 * larger than the maximum number of micro-ops that can be
3623 * retired per cycle (4) and then inverting the condition, we
3624 * count all cycles that retire 16 or less micro-ops, which
3627 * Thereby we gain a PEBS capable cycle counter.
3629 u64 alt_config = X86_CONFIG(.event=0xc2, .umask=0x01, .inv=1, .cmask=16);
3631 alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK);
3632 event->hw.config = alt_config;
3636 static void intel_pebs_aliases_precdist(struct perf_event *event)
3638 if ((event->hw.config & X86_RAW_EVENT_MASK) == 0x003c) {
3640 * Use an alternative encoding for CPU_CLK_UNHALTED.THREAD_P
3641 * (0x003c) so that we can use it with PEBS.
3643 * The regular CPU_CLK_UNHALTED.THREAD_P event (0x003c) isn't
3644 * PEBS capable. However we can use INST_RETIRED.PREC_DIST
3645 * (0x01c0), which is a PEBS capable event, to get the same
3648 * The PREC_DIST event has special support to minimize sample
3649 * shadowing effects. One drawback is that it can be
3650 * only programmed on counter 1, but that seems like an
3651 * acceptable trade off.
3653 u64 alt_config = X86_CONFIG(.event=0xc0, .umask=0x01, .inv=1, .cmask=16);
3655 alt_config |= (event->hw.config & ~X86_RAW_EVENT_MASK);
3656 event->hw.config = alt_config;
3660 static void intel_pebs_aliases_ivb(struct perf_event *event)
3662 if (event->attr.precise_ip < 3)
3663 return intel_pebs_aliases_snb(event);
3664 return intel_pebs_aliases_precdist(event);
3667 static void intel_pebs_aliases_skl(struct perf_event *event)
3669 if (event->attr.precise_ip < 3)
3670 return intel_pebs_aliases_core2(event);
3671 return intel_pebs_aliases_precdist(event);
3674 static unsigned long intel_pmu_large_pebs_flags(struct perf_event *event)
3676 unsigned long flags = x86_pmu.large_pebs_flags;
3678 if (event->attr.use_clockid)
3679 flags &= ~PERF_SAMPLE_TIME;
3680 if (!event->attr.exclude_kernel)
3681 flags &= ~PERF_SAMPLE_REGS_USER;
3682 if (event->attr.sample_regs_user & ~PEBS_GP_REGS)
3683 flags &= ~(PERF_SAMPLE_REGS_USER | PERF_SAMPLE_REGS_INTR);
3687 static int intel_pmu_bts_config(struct perf_event *event)
3689 struct perf_event_attr *attr = &event->attr;
3691 if (unlikely(intel_pmu_has_bts(event))) {
3692 /* BTS is not supported by this architecture. */
3693 if (!x86_pmu.bts_active)
3696 /* BTS is currently only allowed for user-mode. */
3697 if (!attr->exclude_kernel)
3700 /* BTS is not allowed for precise events. */
3701 if (attr->precise_ip)
3704 /* disallow bts if conflicting events are present */
3705 if (x86_add_exclusive(x86_lbr_exclusive_lbr))
3708 event->destroy = hw_perf_lbr_event_destroy;
3714 static int core_pmu_hw_config(struct perf_event *event)
3716 int ret = x86_pmu_hw_config(event);
3721 return intel_pmu_bts_config(event);
3724 #define INTEL_TD_METRIC_AVAILABLE_MAX (INTEL_TD_METRIC_RETIRING + \
3725 ((x86_pmu.num_topdown_events - 1) << 8))
3727 static bool is_available_metric_event(struct perf_event *event)
3729 return is_metric_event(event) &&
3730 event->attr.config <= INTEL_TD_METRIC_AVAILABLE_MAX;
3733 static inline bool is_mem_loads_event(struct perf_event *event)
3735 return (event->attr.config & INTEL_ARCH_EVENT_MASK) == X86_CONFIG(.event=0xcd, .umask=0x01);
3738 static inline bool is_mem_loads_aux_event(struct perf_event *event)
3740 return (event->attr.config & INTEL_ARCH_EVENT_MASK) == X86_CONFIG(.event=0x03, .umask=0x82);
3743 static inline bool require_mem_loads_aux_event(struct perf_event *event)
3745 if (!(x86_pmu.flags & PMU_FL_MEM_LOADS_AUX))
3749 return hybrid_pmu(event->pmu)->cpu_type == hybrid_big;
3754 static inline bool intel_pmu_has_cap(struct perf_event *event, int idx)
3756 union perf_capabilities *intel_cap = &hybrid(event->pmu, intel_cap);
3758 return test_bit(idx, (unsigned long *)&intel_cap->capabilities);
3761 static int intel_pmu_hw_config(struct perf_event *event)
3763 int ret = x86_pmu_hw_config(event);
3768 ret = intel_pmu_bts_config(event);
3772 if (event->attr.precise_ip) {
3773 if ((event->attr.config & INTEL_ARCH_EVENT_MASK) == INTEL_FIXED_VLBR_EVENT)
3776 if (!(event->attr.freq || (event->attr.wakeup_events && !event->attr.watermark))) {
3777 event->hw.flags |= PERF_X86_EVENT_AUTO_RELOAD;
3778 if (!(event->attr.sample_type &
3779 ~intel_pmu_large_pebs_flags(event))) {
3780 event->hw.flags |= PERF_X86_EVENT_LARGE_PEBS;
3781 event->attach_state |= PERF_ATTACH_SCHED_CB;
3784 if (x86_pmu.pebs_aliases)
3785 x86_pmu.pebs_aliases(event);
3787 if (event->attr.sample_type & PERF_SAMPLE_CALLCHAIN)
3788 event->attr.sample_type |= __PERF_SAMPLE_CALLCHAIN_EARLY;
3791 if (needs_branch_stack(event)) {
3792 ret = intel_pmu_setup_lbr_filter(event);
3795 event->attach_state |= PERF_ATTACH_SCHED_CB;
3798 * BTS is set up earlier in this path, so don't account twice
3800 if (!unlikely(intel_pmu_has_bts(event))) {
3801 /* disallow lbr if conflicting events are present */
3802 if (x86_add_exclusive(x86_lbr_exclusive_lbr))
3805 event->destroy = hw_perf_lbr_event_destroy;
3809 if (event->attr.aux_output) {
3810 if (!event->attr.precise_ip)
3813 event->hw.flags |= PERF_X86_EVENT_PEBS_VIA_PT;
3816 if ((event->attr.type == PERF_TYPE_HARDWARE) ||
3817 (event->attr.type == PERF_TYPE_HW_CACHE))
3821 * Config Topdown slots and metric events
3823 * The slots event on Fixed Counter 3 can support sampling,
3824 * which will be handled normally in x86_perf_event_update().
3826 * Metric events don't support sampling and require being paired
3827 * with a slots event as group leader. When the slots event
3828 * is used in a metrics group, it too cannot support sampling.
3830 if (intel_pmu_has_cap(event, PERF_CAP_METRICS_IDX) && is_topdown_event(event)) {
3831 if (event->attr.config1 || event->attr.config2)
3835 * The TopDown metrics events and slots event don't
3836 * support any filters.
3838 if (event->attr.config & X86_ALL_EVENT_FLAGS)
3841 if (is_available_metric_event(event)) {
3842 struct perf_event *leader = event->group_leader;
3844 /* The metric events don't support sampling. */
3845 if (is_sampling_event(event))
3848 /* The metric events require a slots group leader. */
3849 if (!is_slots_event(leader))
3853 * The leader/SLOTS must not be a sampling event for
3854 * metric use; hardware requires it starts at 0 when used
3855 * in conjunction with MSR_PERF_METRICS.
3857 if (is_sampling_event(leader))
3860 event->event_caps |= PERF_EV_CAP_SIBLING;
3862 * Only once we have a METRICs sibling do we
3863 * need TopDown magic.
3865 leader->hw.flags |= PERF_X86_EVENT_TOPDOWN;
3866 event->hw.flags |= PERF_X86_EVENT_TOPDOWN;
3871 * The load latency event X86_CONFIG(.event=0xcd, .umask=0x01) on SPR
3872 * doesn't function quite right. As a work-around it needs to always be
3873 * co-scheduled with a auxiliary event X86_CONFIG(.event=0x03, .umask=0x82).
3874 * The actual count of this second event is irrelevant it just needs
3875 * to be active to make the first event function correctly.
3877 * In a group, the auxiliary event must be in front of the load latency
3878 * event. The rule is to simplify the implementation of the check.
3879 * That's because perf cannot have a complete group at the moment.
3881 if (require_mem_loads_aux_event(event) &&
3882 (event->attr.sample_type & PERF_SAMPLE_DATA_SRC) &&
3883 is_mem_loads_event(event)) {
3884 struct perf_event *leader = event->group_leader;
3885 struct perf_event *sibling = NULL;
3887 if (!is_mem_loads_aux_event(leader)) {
3888 for_each_sibling_event(sibling, leader) {
3889 if (is_mem_loads_aux_event(sibling))
3892 if (list_entry_is_head(sibling, &leader->sibling_list, sibling_list))
3897 if (!(event->attr.config & ARCH_PERFMON_EVENTSEL_ANY))
3900 if (x86_pmu.version < 3)
3903 ret = perf_allow_cpu(&event->attr);
3907 event->hw.config |= ARCH_PERFMON_EVENTSEL_ANY;
3912 static struct perf_guest_switch_msr *intel_guest_get_msrs(int *nr)
3914 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
3915 struct perf_guest_switch_msr *arr = cpuc->guest_switch_msrs;
3916 u64 intel_ctrl = hybrid(cpuc->pmu, intel_ctrl);
3918 arr[0].msr = MSR_CORE_PERF_GLOBAL_CTRL;
3919 arr[0].host = intel_ctrl & ~cpuc->intel_ctrl_guest_mask;
3920 arr[0].guest = intel_ctrl & ~cpuc->intel_ctrl_host_mask;
3921 if (x86_pmu.flags & PMU_FL_PEBS_ALL)
3922 arr[0].guest &= ~cpuc->pebs_enabled;
3924 arr[0].guest &= ~(cpuc->pebs_enabled & PEBS_COUNTER_MASK);
3927 if (x86_pmu.pebs && x86_pmu.pebs_no_isolation) {
3929 * If PMU counter has PEBS enabled it is not enough to
3930 * disable counter on a guest entry since PEBS memory
3931 * write can overshoot guest entry and corrupt guest
3932 * memory. Disabling PEBS solves the problem.
3934 * Don't do this if the CPU already enforces it.
3936 arr[1].msr = MSR_IA32_PEBS_ENABLE;
3937 arr[1].host = cpuc->pebs_enabled;
3945 static struct perf_guest_switch_msr *core_guest_get_msrs(int *nr)
3947 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
3948 struct perf_guest_switch_msr *arr = cpuc->guest_switch_msrs;
3951 for (idx = 0; idx < x86_pmu.num_counters; idx++) {
3952 struct perf_event *event = cpuc->events[idx];
3954 arr[idx].msr = x86_pmu_config_addr(idx);
3955 arr[idx].host = arr[idx].guest = 0;
3957 if (!test_bit(idx, cpuc->active_mask))
3960 arr[idx].host = arr[idx].guest =
3961 event->hw.config | ARCH_PERFMON_EVENTSEL_ENABLE;
3963 if (event->attr.exclude_host)
3964 arr[idx].host &= ~ARCH_PERFMON_EVENTSEL_ENABLE;
3965 else if (event->attr.exclude_guest)
3966 arr[idx].guest &= ~ARCH_PERFMON_EVENTSEL_ENABLE;
3969 *nr = x86_pmu.num_counters;
3973 static void core_pmu_enable_event(struct perf_event *event)
3975 if (!event->attr.exclude_host)
3976 x86_pmu_enable_event(event);
3979 static void core_pmu_enable_all(int added)
3981 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
3984 for (idx = 0; idx < x86_pmu.num_counters; idx++) {
3985 struct hw_perf_event *hwc = &cpuc->events[idx]->hw;
3987 if (!test_bit(idx, cpuc->active_mask) ||
3988 cpuc->events[idx]->attr.exclude_host)
3991 __x86_pmu_enable_event(hwc, ARCH_PERFMON_EVENTSEL_ENABLE);
3995 static int hsw_hw_config(struct perf_event *event)
3997 int ret = intel_pmu_hw_config(event);
4001 if (!boot_cpu_has(X86_FEATURE_RTM) && !boot_cpu_has(X86_FEATURE_HLE))
4003 event->hw.config |= event->attr.config & (HSW_IN_TX|HSW_IN_TX_CHECKPOINTED);
4006 * IN_TX/IN_TX-CP filters are not supported by the Haswell PMU with
4007 * PEBS or in ANY thread mode. Since the results are non-sensical forbid
4010 if ((event->hw.config & (HSW_IN_TX|HSW_IN_TX_CHECKPOINTED)) &&
4011 ((event->hw.config & ARCH_PERFMON_EVENTSEL_ANY) ||
4012 event->attr.precise_ip > 0))
4015 if (event_is_checkpointed(event)) {
4017 * Sampling of checkpointed events can cause situations where
4018 * the CPU constantly aborts because of a overflow, which is
4019 * then checkpointed back and ignored. Forbid checkpointing
4022 * But still allow a long sampling period, so that perf stat
4025 if (event->attr.sample_period > 0 &&
4026 event->attr.sample_period < 0x7fffffff)
4032 static struct event_constraint counter0_constraint =
4033 INTEL_ALL_EVENT_CONSTRAINT(0, 0x1);
4035 static struct event_constraint counter2_constraint =
4036 EVENT_CONSTRAINT(0, 0x4, 0);
4038 static struct event_constraint fixed0_constraint =
4039 FIXED_EVENT_CONSTRAINT(0x00c0, 0);
4041 static struct event_constraint fixed0_counter0_constraint =
4042 INTEL_ALL_EVENT_CONSTRAINT(0, 0x100000001ULL);
4044 static struct event_constraint *
4045 hsw_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
4046 struct perf_event *event)
4048 struct event_constraint *c;
4050 c = intel_get_event_constraints(cpuc, idx, event);
4052 /* Handle special quirk on in_tx_checkpointed only in counter 2 */
4053 if (event->hw.config & HSW_IN_TX_CHECKPOINTED) {
4054 if (c->idxmsk64 & (1U << 2))
4055 return &counter2_constraint;
4056 return &emptyconstraint;
4062 static struct event_constraint *
4063 icl_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
4064 struct perf_event *event)
4067 * Fixed counter 0 has less skid.
4068 * Force instruction:ppp in Fixed counter 0
4070 if ((event->attr.precise_ip == 3) &&
4071 constraint_match(&fixed0_constraint, event->hw.config))
4072 return &fixed0_constraint;
4074 return hsw_get_event_constraints(cpuc, idx, event);
4077 static struct event_constraint *
4078 spr_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
4079 struct perf_event *event)
4081 struct event_constraint *c;
4083 c = icl_get_event_constraints(cpuc, idx, event);
4086 * The :ppp indicates the Precise Distribution (PDist) facility, which
4087 * is only supported on the GP counter 0. If a :ppp event which is not
4088 * available on the GP counter 0, error out.
4089 * Exception: Instruction PDIR is only available on the fixed counter 0.
4091 if ((event->attr.precise_ip == 3) &&
4092 !constraint_match(&fixed0_constraint, event->hw.config)) {
4093 if (c->idxmsk64 & BIT_ULL(0))
4094 return &counter0_constraint;
4096 return &emptyconstraint;
4102 static struct event_constraint *
4103 glp_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
4104 struct perf_event *event)
4106 struct event_constraint *c;
4108 /* :ppp means to do reduced skid PEBS which is PMC0 only. */
4109 if (event->attr.precise_ip == 3)
4110 return &counter0_constraint;
4112 c = intel_get_event_constraints(cpuc, idx, event);
4117 static struct event_constraint *
4118 tnt_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
4119 struct perf_event *event)
4121 struct event_constraint *c;
4124 * :ppp means to do reduced skid PEBS,
4125 * which is available on PMC0 and fixed counter 0.
4127 if (event->attr.precise_ip == 3) {
4128 /* Force instruction:ppp on PMC0 and Fixed counter 0 */
4129 if (constraint_match(&fixed0_constraint, event->hw.config))
4130 return &fixed0_counter0_constraint;
4132 return &counter0_constraint;
4135 c = intel_get_event_constraints(cpuc, idx, event);
4140 static bool allow_tsx_force_abort = true;
4142 static struct event_constraint *
4143 tfa_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
4144 struct perf_event *event)
4146 struct event_constraint *c = hsw_get_event_constraints(cpuc, idx, event);
4149 * Without TFA we must not use PMC3.
4151 if (!allow_tsx_force_abort && test_bit(3, c->idxmsk)) {
4152 c = dyn_constraint(cpuc, c, idx);
4153 c->idxmsk64 &= ~(1ULL << 3);
4160 static struct event_constraint *
4161 adl_get_event_constraints(struct cpu_hw_events *cpuc, int idx,
4162 struct perf_event *event)
4164 struct x86_hybrid_pmu *pmu = hybrid_pmu(event->pmu);
4166 if (pmu->cpu_type == hybrid_big)
4167 return spr_get_event_constraints(cpuc, idx, event);
4168 else if (pmu->cpu_type == hybrid_small)
4169 return tnt_get_event_constraints(cpuc, idx, event);
4172 return &emptyconstraint;
4175 static int adl_hw_config(struct perf_event *event)
4177 struct x86_hybrid_pmu *pmu = hybrid_pmu(event->pmu);
4179 if (pmu->cpu_type == hybrid_big)
4180 return hsw_hw_config(event);
4181 else if (pmu->cpu_type == hybrid_small)
4182 return intel_pmu_hw_config(event);
4188 static u8 adl_get_hybrid_cpu_type(void)
4196 * The INST_RETIRED.ALL period always needs to have lowest 6 bits cleared
4197 * (BDM55) and it must not use a period smaller than 100 (BDM11). We combine
4198 * the two to enforce a minimum period of 128 (the smallest value that has bits
4199 * 0-5 cleared and >= 100).
4201 * Because of how the code in x86_perf_event_set_period() works, the truncation
4202 * of the lower 6 bits is 'harmless' as we'll occasionally add a longer period
4203 * to make up for the 'lost' events due to carrying the 'error' in period_left.
4205 * Therefore the effective (average) period matches the requested period,
4206 * despite coarser hardware granularity.
4208 static u64 bdw_limit_period(struct perf_event *event, u64 left)
4210 if ((event->hw.config & INTEL_ARCH_EVENT_MASK) ==
4211 X86_CONFIG(.event=0xc0, .umask=0x01)) {
4219 static u64 nhm_limit_period(struct perf_event *event, u64 left)
4221 return max(left, 32ULL);
4224 static u64 spr_limit_period(struct perf_event *event, u64 left)
4226 if (event->attr.precise_ip == 3)
4227 return max(left, 128ULL);
4232 PMU_FORMAT_ATTR(event, "config:0-7" );
4233 PMU_FORMAT_ATTR(umask, "config:8-15" );
4234 PMU_FORMAT_ATTR(edge, "config:18" );
4235 PMU_FORMAT_ATTR(pc, "config:19" );
4236 PMU_FORMAT_ATTR(any, "config:21" ); /* v3 + */
4237 PMU_FORMAT_ATTR(inv, "config:23" );
4238 PMU_FORMAT_ATTR(cmask, "config:24-31" );
4239 PMU_FORMAT_ATTR(in_tx, "config:32");
4240 PMU_FORMAT_ATTR(in_tx_cp, "config:33");
4242 static struct attribute *intel_arch_formats_attr[] = {
4243 &format_attr_event.attr,
4244 &format_attr_umask.attr,
4245 &format_attr_edge.attr,
4246 &format_attr_pc.attr,
4247 &format_attr_inv.attr,
4248 &format_attr_cmask.attr,
4252 ssize_t intel_event_sysfs_show(char *page, u64 config)
4254 u64 event = (config & ARCH_PERFMON_EVENTSEL_EVENT);
4256 return x86_event_sysfs_show(page, config, event);
4259 static struct intel_shared_regs *allocate_shared_regs(int cpu)
4261 struct intel_shared_regs *regs;
4264 regs = kzalloc_node(sizeof(struct intel_shared_regs),
4265 GFP_KERNEL, cpu_to_node(cpu));
4268 * initialize the locks to keep lockdep happy
4270 for (i = 0; i < EXTRA_REG_MAX; i++)
4271 raw_spin_lock_init(®s->regs[i].lock);
4278 static struct intel_excl_cntrs *allocate_excl_cntrs(int cpu)
4280 struct intel_excl_cntrs *c;
4282 c = kzalloc_node(sizeof(struct intel_excl_cntrs),
4283 GFP_KERNEL, cpu_to_node(cpu));
4285 raw_spin_lock_init(&c->lock);
4292 int intel_cpuc_prepare(struct cpu_hw_events *cpuc, int cpu)
4294 cpuc->pebs_record_size = x86_pmu.pebs_record_size;
4296 if (is_hybrid() || x86_pmu.extra_regs || x86_pmu.lbr_sel_map) {
4297 cpuc->shared_regs = allocate_shared_regs(cpu);
4298 if (!cpuc->shared_regs)
4302 if (x86_pmu.flags & (PMU_FL_EXCL_CNTRS | PMU_FL_TFA)) {
4303 size_t sz = X86_PMC_IDX_MAX * sizeof(struct event_constraint);
4305 cpuc->constraint_list = kzalloc_node(sz, GFP_KERNEL, cpu_to_node(cpu));
4306 if (!cpuc->constraint_list)
4307 goto err_shared_regs;
4310 if (x86_pmu.flags & PMU_FL_EXCL_CNTRS) {
4311 cpuc->excl_cntrs = allocate_excl_cntrs(cpu);
4312 if (!cpuc->excl_cntrs)
4313 goto err_constraint_list;
4315 cpuc->excl_thread_id = 0;
4320 err_constraint_list:
4321 kfree(cpuc->constraint_list);
4322 cpuc->constraint_list = NULL;
4325 kfree(cpuc->shared_regs);
4326 cpuc->shared_regs = NULL;
4332 static int intel_pmu_cpu_prepare(int cpu)
4334 return intel_cpuc_prepare(&per_cpu(cpu_hw_events, cpu), cpu);
4337 static void flip_smm_bit(void *data)
4339 unsigned long set = *(unsigned long *)data;
4342 msr_set_bit(MSR_IA32_DEBUGCTLMSR,
4343 DEBUGCTLMSR_FREEZE_IN_SMM_BIT);
4345 msr_clear_bit(MSR_IA32_DEBUGCTLMSR,
4346 DEBUGCTLMSR_FREEZE_IN_SMM_BIT);
4350 static bool init_hybrid_pmu(int cpu)
4352 struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu);
4353 u8 cpu_type = get_this_hybrid_cpu_type();
4354 struct x86_hybrid_pmu *pmu = NULL;
4357 if (!cpu_type && x86_pmu.get_hybrid_cpu_type)
4358 cpu_type = x86_pmu.get_hybrid_cpu_type();
4360 for (i = 0; i < x86_pmu.num_hybrid_pmus; i++) {
4361 if (x86_pmu.hybrid_pmu[i].cpu_type == cpu_type) {
4362 pmu = &x86_pmu.hybrid_pmu[i];
4366 if (WARN_ON_ONCE(!pmu || (pmu->pmu.type == -1))) {
4371 /* Only check and dump the PMU information for the first CPU */
4372 if (!cpumask_empty(&pmu->supported_cpus))
4375 if (!check_hw_exists(&pmu->pmu, pmu->num_counters, pmu->num_counters_fixed))
4378 pr_info("%s PMU driver: ", pmu->name);
4380 if (pmu->intel_cap.pebs_output_pt_available)
4381 pr_cont("PEBS-via-PT ");
4385 x86_pmu_show_pmu_cap(pmu->num_counters, pmu->num_counters_fixed,
4389 cpumask_set_cpu(cpu, &pmu->supported_cpus);
4390 cpuc->pmu = &pmu->pmu;
4392 x86_pmu_update_cpu_context(&pmu->pmu, cpu);
4397 static void intel_pmu_cpu_starting(int cpu)
4399 struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu);
4400 int core_id = topology_core_id(cpu);
4403 if (is_hybrid() && !init_hybrid_pmu(cpu))
4406 init_debug_store_on_cpu(cpu);
4408 * Deal with CPUs that don't clear their LBRs on power-up.
4410 intel_pmu_lbr_reset();
4412 cpuc->lbr_sel = NULL;
4414 if (x86_pmu.flags & PMU_FL_TFA) {
4415 WARN_ON_ONCE(cpuc->tfa_shadow);
4416 cpuc->tfa_shadow = ~0ULL;
4417 intel_set_tfa(cpuc, false);
4420 if (x86_pmu.version > 1)
4421 flip_smm_bit(&x86_pmu.attr_freeze_on_smi);
4424 * Disable perf metrics if any added CPU doesn't support it.
4426 * Turn off the check for a hybrid architecture, because the
4427 * architecture MSR, MSR_IA32_PERF_CAPABILITIES, only indicate
4428 * the architecture features. The perf metrics is a model-specific
4429 * feature for now. The corresponding bit should always be 0 on
4430 * a hybrid platform, e.g., Alder Lake.
4432 if (!is_hybrid() && x86_pmu.intel_cap.perf_metrics) {
4433 union perf_capabilities perf_cap;
4435 rdmsrl(MSR_IA32_PERF_CAPABILITIES, perf_cap.capabilities);
4436 if (!perf_cap.perf_metrics) {
4437 x86_pmu.intel_cap.perf_metrics = 0;
4438 x86_pmu.intel_ctrl &= ~(1ULL << GLOBAL_CTRL_EN_PERF_METRICS);
4442 if (!cpuc->shared_regs)
4445 if (!(x86_pmu.flags & PMU_FL_NO_HT_SHARING)) {
4446 for_each_cpu(i, topology_sibling_cpumask(cpu)) {
4447 struct intel_shared_regs *pc;
4449 pc = per_cpu(cpu_hw_events, i).shared_regs;
4450 if (pc && pc->core_id == core_id) {
4451 cpuc->kfree_on_online[0] = cpuc->shared_regs;
4452 cpuc->shared_regs = pc;
4456 cpuc->shared_regs->core_id = core_id;
4457 cpuc->shared_regs->refcnt++;
4460 if (x86_pmu.lbr_sel_map)
4461 cpuc->lbr_sel = &cpuc->shared_regs->regs[EXTRA_REG_LBR];
4463 if (x86_pmu.flags & PMU_FL_EXCL_CNTRS) {
4464 for_each_cpu(i, topology_sibling_cpumask(cpu)) {
4465 struct cpu_hw_events *sibling;
4466 struct intel_excl_cntrs *c;
4468 sibling = &per_cpu(cpu_hw_events, i);
4469 c = sibling->excl_cntrs;
4470 if (c && c->core_id == core_id) {
4471 cpuc->kfree_on_online[1] = cpuc->excl_cntrs;
4472 cpuc->excl_cntrs = c;
4473 if (!sibling->excl_thread_id)
4474 cpuc->excl_thread_id = 1;
4478 cpuc->excl_cntrs->core_id = core_id;
4479 cpuc->excl_cntrs->refcnt++;
4483 static void free_excl_cntrs(struct cpu_hw_events *cpuc)
4485 struct intel_excl_cntrs *c;
4487 c = cpuc->excl_cntrs;
4489 if (c->core_id == -1 || --c->refcnt == 0)
4491 cpuc->excl_cntrs = NULL;
4494 kfree(cpuc->constraint_list);
4495 cpuc->constraint_list = NULL;
4498 static void intel_pmu_cpu_dying(int cpu)
4500 fini_debug_store_on_cpu(cpu);
4503 void intel_cpuc_finish(struct cpu_hw_events *cpuc)
4505 struct intel_shared_regs *pc;
4507 pc = cpuc->shared_regs;
4509 if (pc->core_id == -1 || --pc->refcnt == 0)
4511 cpuc->shared_regs = NULL;
4514 free_excl_cntrs(cpuc);
4517 static void intel_pmu_cpu_dead(int cpu)
4519 struct cpu_hw_events *cpuc = &per_cpu(cpu_hw_events, cpu);
4521 intel_cpuc_finish(cpuc);
4523 if (is_hybrid() && cpuc->pmu)
4524 cpumask_clear_cpu(cpu, &hybrid_pmu(cpuc->pmu)->supported_cpus);
4527 static void intel_pmu_sched_task(struct perf_event_context *ctx,
4530 intel_pmu_pebs_sched_task(ctx, sched_in);
4531 intel_pmu_lbr_sched_task(ctx, sched_in);
4534 static void intel_pmu_swap_task_ctx(struct perf_event_context *prev,
4535 struct perf_event_context *next)
4537 intel_pmu_lbr_swap_task_ctx(prev, next);
4540 static int intel_pmu_check_period(struct perf_event *event, u64 value)
4542 return intel_pmu_has_bts_period(event, value) ? -EINVAL : 0;
4545 static void intel_aux_output_init(void)
4547 /* Refer also intel_pmu_aux_output_match() */
4548 if (x86_pmu.intel_cap.pebs_output_pt_available)
4549 x86_pmu.assign = intel_pmu_assign_event;
4552 static int intel_pmu_aux_output_match(struct perf_event *event)
4554 /* intel_pmu_assign_event() is needed, refer intel_aux_output_init() */
4555 if (!x86_pmu.intel_cap.pebs_output_pt_available)
4558 return is_intel_pt_event(event);
4561 static int intel_pmu_filter_match(struct perf_event *event)
4563 struct x86_hybrid_pmu *pmu = hybrid_pmu(event->pmu);
4564 unsigned int cpu = smp_processor_id();
4566 return cpumask_test_cpu(cpu, &pmu->supported_cpus);
4569 PMU_FORMAT_ATTR(offcore_rsp, "config1:0-63");
4571 PMU_FORMAT_ATTR(ldlat, "config1:0-15");
4573 PMU_FORMAT_ATTR(frontend, "config1:0-23");
4575 static struct attribute *intel_arch3_formats_attr[] = {
4576 &format_attr_event.attr,
4577 &format_attr_umask.attr,
4578 &format_attr_edge.attr,
4579 &format_attr_pc.attr,
4580 &format_attr_any.attr,
4581 &format_attr_inv.attr,
4582 &format_attr_cmask.attr,
4586 static struct attribute *hsw_format_attr[] = {
4587 &format_attr_in_tx.attr,
4588 &format_attr_in_tx_cp.attr,
4589 &format_attr_offcore_rsp.attr,
4590 &format_attr_ldlat.attr,
4594 static struct attribute *nhm_format_attr[] = {
4595 &format_attr_offcore_rsp.attr,
4596 &format_attr_ldlat.attr,
4600 static struct attribute *slm_format_attr[] = {
4601 &format_attr_offcore_rsp.attr,
4605 static struct attribute *skl_format_attr[] = {
4606 &format_attr_frontend.attr,
4610 static __initconst const struct x86_pmu core_pmu = {
4612 .handle_irq = x86_pmu_handle_irq,
4613 .disable_all = x86_pmu_disable_all,
4614 .enable_all = core_pmu_enable_all,
4615 .enable = core_pmu_enable_event,
4616 .disable = x86_pmu_disable_event,
4617 .hw_config = core_pmu_hw_config,
4618 .schedule_events = x86_schedule_events,
4619 .eventsel = MSR_ARCH_PERFMON_EVENTSEL0,
4620 .perfctr = MSR_ARCH_PERFMON_PERFCTR0,
4621 .event_map = intel_pmu_event_map,
4622 .max_events = ARRAY_SIZE(intel_perfmon_event_map),
4624 .large_pebs_flags = LARGE_PEBS_FLAGS,
4627 * Intel PMCs cannot be accessed sanely above 32-bit width,
4628 * so we install an artificial 1<<31 period regardless of
4629 * the generic event period:
4631 .max_period = (1ULL<<31) - 1,
4632 .get_event_constraints = intel_get_event_constraints,
4633 .put_event_constraints = intel_put_event_constraints,
4634 .event_constraints = intel_core_event_constraints,
4635 .guest_get_msrs = core_guest_get_msrs,
4636 .format_attrs = intel_arch_formats_attr,
4637 .events_sysfs_show = intel_event_sysfs_show,
4640 * Virtual (or funny metal) CPU can define x86_pmu.extra_regs
4641 * together with PMU version 1 and thus be using core_pmu with
4642 * shared_regs. We need following callbacks here to allocate
4645 .cpu_prepare = intel_pmu_cpu_prepare,
4646 .cpu_starting = intel_pmu_cpu_starting,
4647 .cpu_dying = intel_pmu_cpu_dying,
4648 .cpu_dead = intel_pmu_cpu_dead,
4650 .check_period = intel_pmu_check_period,
4652 .lbr_reset = intel_pmu_lbr_reset_64,
4653 .lbr_read = intel_pmu_lbr_read_64,
4654 .lbr_save = intel_pmu_lbr_save,
4655 .lbr_restore = intel_pmu_lbr_restore,
4658 static __initconst const struct x86_pmu intel_pmu = {
4660 .handle_irq = intel_pmu_handle_irq,
4661 .disable_all = intel_pmu_disable_all,
4662 .enable_all = intel_pmu_enable_all,
4663 .enable = intel_pmu_enable_event,
4664 .disable = intel_pmu_disable_event,
4665 .add = intel_pmu_add_event,
4666 .del = intel_pmu_del_event,
4667 .read = intel_pmu_read_event,
4668 .hw_config = intel_pmu_hw_config,
4669 .schedule_events = x86_schedule_events,
4670 .eventsel = MSR_ARCH_PERFMON_EVENTSEL0,
4671 .perfctr = MSR_ARCH_PERFMON_PERFCTR0,
4672 .event_map = intel_pmu_event_map,
4673 .max_events = ARRAY_SIZE(intel_perfmon_event_map),
4675 .large_pebs_flags = LARGE_PEBS_FLAGS,
4677 * Intel PMCs cannot be accessed sanely above 32 bit width,
4678 * so we install an artificial 1<<31 period regardless of
4679 * the generic event period:
4681 .max_period = (1ULL << 31) - 1,
4682 .get_event_constraints = intel_get_event_constraints,
4683 .put_event_constraints = intel_put_event_constraints,
4684 .pebs_aliases = intel_pebs_aliases_core2,
4686 .format_attrs = intel_arch3_formats_attr,
4687 .events_sysfs_show = intel_event_sysfs_show,
4689 .cpu_prepare = intel_pmu_cpu_prepare,
4690 .cpu_starting = intel_pmu_cpu_starting,
4691 .cpu_dying = intel_pmu_cpu_dying,
4692 .cpu_dead = intel_pmu_cpu_dead,
4694 .guest_get_msrs = intel_guest_get_msrs,
4695 .sched_task = intel_pmu_sched_task,
4696 .swap_task_ctx = intel_pmu_swap_task_ctx,
4698 .check_period = intel_pmu_check_period,
4700 .aux_output_match = intel_pmu_aux_output_match,
4702 .lbr_reset = intel_pmu_lbr_reset_64,
4703 .lbr_read = intel_pmu_lbr_read_64,
4704 .lbr_save = intel_pmu_lbr_save,
4705 .lbr_restore = intel_pmu_lbr_restore,
4708 * SMM has access to all 4 rings and while traditionally SMM code only
4709 * ran in CPL0, 2021-era firmware is starting to make use of CPL3 in SMM.
4711 * Since the EVENTSEL.{USR,OS} CPL filtering makes no distinction
4712 * between SMM or not, this results in what should be pure userspace
4713 * counters including SMM data.
4715 * This is a clear privilege issue, therefore globally disable
4716 * counting SMM by default.
4718 .attr_freeze_on_smi = 1,
4721 static __init void intel_clovertown_quirk(void)
4724 * PEBS is unreliable due to:
4726 * AJ67 - PEBS may experience CPL leaks
4727 * AJ68 - PEBS PMI may be delayed by one event
4728 * AJ69 - GLOBAL_STATUS[62] will only be set when DEBUGCTL[12]
4729 * AJ106 - FREEZE_LBRS_ON_PMI doesn't work in combination with PEBS
4731 * AJ67 could be worked around by restricting the OS/USR flags.
4732 * AJ69 could be worked around by setting PMU_FREEZE_ON_PMI.
4734 * AJ106 could possibly be worked around by not allowing LBR
4735 * usage from PEBS, including the fixup.
4736 * AJ68 could possibly be worked around by always programming
4737 * a pebs_event_reset[0] value and coping with the lost events.
4739 * But taken together it might just make sense to not enable PEBS on
4742 pr_warn("PEBS disabled due to CPU errata\n");
4744 x86_pmu.pebs_constraints = NULL;
4747 static const struct x86_cpu_desc isolation_ucodes[] = {
4748 INTEL_CPU_DESC(INTEL_FAM6_HASWELL, 3, 0x0000001f),
4749 INTEL_CPU_DESC(INTEL_FAM6_HASWELL_L, 1, 0x0000001e),
4750 INTEL_CPU_DESC(INTEL_FAM6_HASWELL_G, 1, 0x00000015),
4751 INTEL_CPU_DESC(INTEL_FAM6_HASWELL_X, 2, 0x00000037),
4752 INTEL_CPU_DESC(INTEL_FAM6_HASWELL_X, 4, 0x0000000a),
4753 INTEL_CPU_DESC(INTEL_FAM6_BROADWELL, 4, 0x00000023),
4754 INTEL_CPU_DESC(INTEL_FAM6_BROADWELL_G, 1, 0x00000014),
4755 INTEL_CPU_DESC(INTEL_FAM6_BROADWELL_D, 2, 0x00000010),
4756 INTEL_CPU_DESC(INTEL_FAM6_BROADWELL_D, 3, 0x07000009),
4757 INTEL_CPU_DESC(INTEL_FAM6_BROADWELL_D, 4, 0x0f000009),
4758 INTEL_CPU_DESC(INTEL_FAM6_BROADWELL_D, 5, 0x0e000002),
4759 INTEL_CPU_DESC(INTEL_FAM6_BROADWELL_X, 1, 0x0b000014),
4760 INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X, 3, 0x00000021),
4761 INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X, 4, 0x00000000),
4762 INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X, 5, 0x00000000),
4763 INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X, 6, 0x00000000),
4764 INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_X, 7, 0x00000000),
4765 INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE_L, 3, 0x0000007c),
4766 INTEL_CPU_DESC(INTEL_FAM6_SKYLAKE, 3, 0x0000007c),
4767 INTEL_CPU_DESC(INTEL_FAM6_KABYLAKE, 9, 0x0000004e),
4768 INTEL_CPU_DESC(INTEL_FAM6_KABYLAKE_L, 9, 0x0000004e),
4769 INTEL_CPU_DESC(INTEL_FAM6_KABYLAKE_L, 10, 0x0000004e),
4770 INTEL_CPU_DESC(INTEL_FAM6_KABYLAKE_L, 11, 0x0000004e),
4771 INTEL_CPU_DESC(INTEL_FAM6_KABYLAKE_L, 12, 0x0000004e),
4772 INTEL_CPU_DESC(INTEL_FAM6_KABYLAKE, 10, 0x0000004e),
4773 INTEL_CPU_DESC(INTEL_FAM6_KABYLAKE, 11, 0x0000004e),
4774 INTEL_CPU_DESC(INTEL_FAM6_KABYLAKE, 12, 0x0000004e),
4775 INTEL_CPU_DESC(INTEL_FAM6_KABYLAKE, 13, 0x0000004e),
4779 static void intel_check_pebs_isolation(void)
4781 x86_pmu.pebs_no_isolation = !x86_cpu_has_min_microcode_rev(isolation_ucodes);
4784 static __init void intel_pebs_isolation_quirk(void)
4786 WARN_ON_ONCE(x86_pmu.check_microcode);
4787 x86_pmu.check_microcode = intel_check_pebs_isolation;
4788 intel_check_pebs_isolation();
4791 static const struct x86_cpu_desc pebs_ucodes[] = {
4792 INTEL_CPU_DESC(INTEL_FAM6_SANDYBRIDGE, 7, 0x00000028),
4793 INTEL_CPU_DESC(INTEL_FAM6_SANDYBRIDGE_X, 6, 0x00000618),
4794 INTEL_CPU_DESC(INTEL_FAM6_SANDYBRIDGE_X, 7, 0x0000070c),
4798 static bool intel_snb_pebs_broken(void)
4800 return !x86_cpu_has_min_microcode_rev(pebs_ucodes);
4803 static void intel_snb_check_microcode(void)
4805 if (intel_snb_pebs_broken() == x86_pmu.pebs_broken)
4809 * Serialized by the microcode lock..
4811 if (x86_pmu.pebs_broken) {
4812 pr_info("PEBS enabled due to microcode update\n");
4813 x86_pmu.pebs_broken = 0;
4815 pr_info("PEBS disabled due to CPU errata, please upgrade microcode\n");
4816 x86_pmu.pebs_broken = 1;
4820 static bool is_lbr_from(unsigned long msr)
4822 unsigned long lbr_from_nr = x86_pmu.lbr_from + x86_pmu.lbr_nr;
4824 return x86_pmu.lbr_from <= msr && msr < lbr_from_nr;
4828 * Under certain circumstances, access certain MSR may cause #GP.
4829 * The function tests if the input MSR can be safely accessed.
4831 static bool check_msr(unsigned long msr, u64 mask)
4833 u64 val_old, val_new, val_tmp;
4836 * Disable the check for real HW, so we don't
4837 * mess with potentially enabled registers:
4839 if (!boot_cpu_has(X86_FEATURE_HYPERVISOR))
4843 * Read the current value, change it and read it back to see if it
4844 * matches, this is needed to detect certain hardware emulators
4845 * (qemu/kvm) that don't trap on the MSR access and always return 0s.
4847 if (rdmsrl_safe(msr, &val_old))
4851 * Only change the bits which can be updated by wrmsrl.
4853 val_tmp = val_old ^ mask;
4855 if (is_lbr_from(msr))
4856 val_tmp = lbr_from_signext_quirk_wr(val_tmp);
4858 if (wrmsrl_safe(msr, val_tmp) ||
4859 rdmsrl_safe(msr, &val_new))
4863 * Quirk only affects validation in wrmsr(), so wrmsrl()'s value
4864 * should equal rdmsrl()'s even with the quirk.
4866 if (val_new != val_tmp)
4869 if (is_lbr_from(msr))
4870 val_old = lbr_from_signext_quirk_wr(val_old);
4872 /* Here it's sure that the MSR can be safely accessed.
4873 * Restore the old value and return.
4875 wrmsrl(msr, val_old);
4880 static __init void intel_sandybridge_quirk(void)
4882 x86_pmu.check_microcode = intel_snb_check_microcode;
4884 intel_snb_check_microcode();
4888 static const struct { int id; char *name; } intel_arch_events_map[] __initconst = {
4889 { PERF_COUNT_HW_CPU_CYCLES, "cpu cycles" },
4890 { PERF_COUNT_HW_INSTRUCTIONS, "instructions" },
4891 { PERF_COUNT_HW_BUS_CYCLES, "bus cycles" },
4892 { PERF_COUNT_HW_CACHE_REFERENCES, "cache references" },
4893 { PERF_COUNT_HW_CACHE_MISSES, "cache misses" },
4894 { PERF_COUNT_HW_BRANCH_INSTRUCTIONS, "branch instructions" },
4895 { PERF_COUNT_HW_BRANCH_MISSES, "branch misses" },
4898 static __init void intel_arch_events_quirk(void)
4902 /* disable event that reported as not present by cpuid */
4903 for_each_set_bit(bit, x86_pmu.events_mask, ARRAY_SIZE(intel_arch_events_map)) {
4904 intel_perfmon_event_map[intel_arch_events_map[bit].id] = 0;
4905 pr_warn("CPUID marked event: \'%s\' unavailable\n",
4906 intel_arch_events_map[bit].name);
4910 static __init void intel_nehalem_quirk(void)
4912 union cpuid10_ebx ebx;
4914 ebx.full = x86_pmu.events_maskl;
4915 if (ebx.split.no_branch_misses_retired) {
4917 * Erratum AAJ80 detected, we work it around by using
4918 * the BR_MISP_EXEC.ANY event. This will over-count
4919 * branch-misses, but it's still much better than the
4920 * architectural event which is often completely bogus:
4922 intel_perfmon_event_map[PERF_COUNT_HW_BRANCH_MISSES] = 0x7f89;
4923 ebx.split.no_branch_misses_retired = 0;
4924 x86_pmu.events_maskl = ebx.full;
4925 pr_info("CPU erratum AAJ80 worked around\n");
4930 * enable software workaround for errata:
4935 * Only needed when HT is enabled. However detecting
4936 * if HT is enabled is difficult (model specific). So instead,
4937 * we enable the workaround in the early boot, and verify if
4938 * it is needed in a later initcall phase once we have valid
4939 * topology information to check if HT is actually enabled
4941 static __init void intel_ht_bug(void)
4943 x86_pmu.flags |= PMU_FL_EXCL_CNTRS | PMU_FL_EXCL_ENABLED;
4945 x86_pmu.start_scheduling = intel_start_scheduling;
4946 x86_pmu.commit_scheduling = intel_commit_scheduling;
4947 x86_pmu.stop_scheduling = intel_stop_scheduling;
4950 EVENT_ATTR_STR(mem-loads, mem_ld_hsw, "event=0xcd,umask=0x1,ldlat=3");
4951 EVENT_ATTR_STR(mem-stores, mem_st_hsw, "event=0xd0,umask=0x82")
4953 /* Haswell special events */
4954 EVENT_ATTR_STR(tx-start, tx_start, "event=0xc9,umask=0x1");
4955 EVENT_ATTR_STR(tx-commit, tx_commit, "event=0xc9,umask=0x2");
4956 EVENT_ATTR_STR(tx-abort, tx_abort, "event=0xc9,umask=0x4");
4957 EVENT_ATTR_STR(tx-capacity, tx_capacity, "event=0x54,umask=0x2");
4958 EVENT_ATTR_STR(tx-conflict, tx_conflict, "event=0x54,umask=0x1");
4959 EVENT_ATTR_STR(el-start, el_start, "event=0xc8,umask=0x1");
4960 EVENT_ATTR_STR(el-commit, el_commit, "event=0xc8,umask=0x2");
4961 EVENT_ATTR_STR(el-abort, el_abort, "event=0xc8,umask=0x4");
4962 EVENT_ATTR_STR(el-capacity, el_capacity, "event=0x54,umask=0x2");
4963 EVENT_ATTR_STR(el-conflict, el_conflict, "event=0x54,umask=0x1");
4964 EVENT_ATTR_STR(cycles-t, cycles_t, "event=0x3c,in_tx=1");
4965 EVENT_ATTR_STR(cycles-ct, cycles_ct, "event=0x3c,in_tx=1,in_tx_cp=1");
4967 static struct attribute *hsw_events_attrs[] = {
4968 EVENT_PTR(td_slots_issued),
4969 EVENT_PTR(td_slots_retired),
4970 EVENT_PTR(td_fetch_bubbles),
4971 EVENT_PTR(td_total_slots),
4972 EVENT_PTR(td_total_slots_scale),
4973 EVENT_PTR(td_recovery_bubbles),
4974 EVENT_PTR(td_recovery_bubbles_scale),
4978 static struct attribute *hsw_mem_events_attrs[] = {
4979 EVENT_PTR(mem_ld_hsw),
4980 EVENT_PTR(mem_st_hsw),
4984 static struct attribute *hsw_tsx_events_attrs[] = {
4985 EVENT_PTR(tx_start),
4986 EVENT_PTR(tx_commit),
4987 EVENT_PTR(tx_abort),
4988 EVENT_PTR(tx_capacity),
4989 EVENT_PTR(tx_conflict),
4990 EVENT_PTR(el_start),
4991 EVENT_PTR(el_commit),
4992 EVENT_PTR(el_abort),
4993 EVENT_PTR(el_capacity),
4994 EVENT_PTR(el_conflict),
4995 EVENT_PTR(cycles_t),
4996 EVENT_PTR(cycles_ct),
5000 EVENT_ATTR_STR(tx-capacity-read, tx_capacity_read, "event=0x54,umask=0x80");
5001 EVENT_ATTR_STR(tx-capacity-write, tx_capacity_write, "event=0x54,umask=0x2");
5002 EVENT_ATTR_STR(el-capacity-read, el_capacity_read, "event=0x54,umask=0x80");
5003 EVENT_ATTR_STR(el-capacity-write, el_capacity_write, "event=0x54,umask=0x2");
5005 static struct attribute *icl_events_attrs[] = {
5006 EVENT_PTR(mem_ld_hsw),
5007 EVENT_PTR(mem_st_hsw),
5011 static struct attribute *icl_td_events_attrs[] = {
5013 EVENT_PTR(td_retiring),
5014 EVENT_PTR(td_bad_spec),
5015 EVENT_PTR(td_fe_bound),
5016 EVENT_PTR(td_be_bound),
5020 static struct attribute *icl_tsx_events_attrs[] = {
5021 EVENT_PTR(tx_start),
5022 EVENT_PTR(tx_abort),
5023 EVENT_PTR(tx_commit),
5024 EVENT_PTR(tx_capacity_read),
5025 EVENT_PTR(tx_capacity_write),
5026 EVENT_PTR(tx_conflict),
5027 EVENT_PTR(el_start),
5028 EVENT_PTR(el_abort),
5029 EVENT_PTR(el_commit),
5030 EVENT_PTR(el_capacity_read),
5031 EVENT_PTR(el_capacity_write),
5032 EVENT_PTR(el_conflict),
5033 EVENT_PTR(cycles_t),
5034 EVENT_PTR(cycles_ct),
5039 EVENT_ATTR_STR(mem-stores, mem_st_spr, "event=0xcd,umask=0x2");
5040 EVENT_ATTR_STR(mem-loads-aux, mem_ld_aux, "event=0x03,umask=0x82");
5042 static struct attribute *spr_events_attrs[] = {
5043 EVENT_PTR(mem_ld_hsw),
5044 EVENT_PTR(mem_st_spr),
5045 EVENT_PTR(mem_ld_aux),
5049 static struct attribute *spr_td_events_attrs[] = {
5051 EVENT_PTR(td_retiring),
5052 EVENT_PTR(td_bad_spec),
5053 EVENT_PTR(td_fe_bound),
5054 EVENT_PTR(td_be_bound),
5055 EVENT_PTR(td_heavy_ops),
5056 EVENT_PTR(td_br_mispredict),
5057 EVENT_PTR(td_fetch_lat),
5058 EVENT_PTR(td_mem_bound),
5062 static struct attribute *spr_tsx_events_attrs[] = {
5063 EVENT_PTR(tx_start),
5064 EVENT_PTR(tx_abort),
5065 EVENT_PTR(tx_commit),
5066 EVENT_PTR(tx_capacity_read),
5067 EVENT_PTR(tx_capacity_write),
5068 EVENT_PTR(tx_conflict),
5069 EVENT_PTR(cycles_t),
5070 EVENT_PTR(cycles_ct),
5074 static ssize_t freeze_on_smi_show(struct device *cdev,
5075 struct device_attribute *attr,
5078 return sprintf(buf, "%lu\n", x86_pmu.attr_freeze_on_smi);
5081 static DEFINE_MUTEX(freeze_on_smi_mutex);
5083 static ssize_t freeze_on_smi_store(struct device *cdev,
5084 struct device_attribute *attr,
5085 const char *buf, size_t count)
5090 ret = kstrtoul(buf, 0, &val);
5097 mutex_lock(&freeze_on_smi_mutex);
5099 if (x86_pmu.attr_freeze_on_smi == val)
5102 x86_pmu.attr_freeze_on_smi = val;
5105 on_each_cpu(flip_smm_bit, &val, 1);
5108 mutex_unlock(&freeze_on_smi_mutex);
5113 static void update_tfa_sched(void *ignored)
5115 struct cpu_hw_events *cpuc = this_cpu_ptr(&cpu_hw_events);
5118 * check if PMC3 is used
5119 * and if so force schedule out for all event types all contexts
5121 if (test_bit(3, cpuc->active_mask))
5122 perf_pmu_resched(x86_get_pmu(smp_processor_id()));
5125 static ssize_t show_sysctl_tfa(struct device *cdev,
5126 struct device_attribute *attr,
5129 return snprintf(buf, 40, "%d\n", allow_tsx_force_abort);
5132 static ssize_t set_sysctl_tfa(struct device *cdev,
5133 struct device_attribute *attr,
5134 const char *buf, size_t count)
5139 ret = kstrtobool(buf, &val);
5144 if (val == allow_tsx_force_abort)
5147 allow_tsx_force_abort = val;
5150 on_each_cpu(update_tfa_sched, NULL, 1);
5157 static DEVICE_ATTR_RW(freeze_on_smi);
5159 static ssize_t branches_show(struct device *cdev,
5160 struct device_attribute *attr,
5163 return snprintf(buf, PAGE_SIZE, "%d\n", x86_pmu.lbr_nr);
5166 static DEVICE_ATTR_RO(branches);
5168 static struct attribute *lbr_attrs[] = {
5169 &dev_attr_branches.attr,
5173 static char pmu_name_str[30];
5175 static ssize_t pmu_name_show(struct device *cdev,
5176 struct device_attribute *attr,
5179 return snprintf(buf, PAGE_SIZE, "%s\n", pmu_name_str);
5182 static DEVICE_ATTR_RO(pmu_name);
5184 static struct attribute *intel_pmu_caps_attrs[] = {
5185 &dev_attr_pmu_name.attr,
5189 static DEVICE_ATTR(allow_tsx_force_abort, 0644,
5193 static struct attribute *intel_pmu_attrs[] = {
5194 &dev_attr_freeze_on_smi.attr,
5195 &dev_attr_allow_tsx_force_abort.attr,
5200 tsx_is_visible(struct kobject *kobj, struct attribute *attr, int i)
5202 return boot_cpu_has(X86_FEATURE_RTM) ? attr->mode : 0;
5206 pebs_is_visible(struct kobject *kobj, struct attribute *attr, int i)
5208 return x86_pmu.pebs ? attr->mode : 0;
5212 lbr_is_visible(struct kobject *kobj, struct attribute *attr, int i)
5214 return x86_pmu.lbr_nr ? attr->mode : 0;
5218 exra_is_visible(struct kobject *kobj, struct attribute *attr, int i)
5220 return x86_pmu.version >= 2 ? attr->mode : 0;
5224 default_is_visible(struct kobject *kobj, struct attribute *attr, int i)
5226 if (attr == &dev_attr_allow_tsx_force_abort.attr)
5227 return x86_pmu.flags & PMU_FL_TFA ? attr->mode : 0;
5232 static struct attribute_group group_events_td = {
5236 static struct attribute_group group_events_mem = {
5238 .is_visible = pebs_is_visible,
5241 static struct attribute_group group_events_tsx = {
5243 .is_visible = tsx_is_visible,
5246 static struct attribute_group group_caps_gen = {
5248 .attrs = intel_pmu_caps_attrs,
5251 static struct attribute_group group_caps_lbr = {
5254 .is_visible = lbr_is_visible,
5257 static struct attribute_group group_format_extra = {
5259 .is_visible = exra_is_visible,
5262 static struct attribute_group group_format_extra_skl = {
5264 .is_visible = exra_is_visible,
5267 static struct attribute_group group_default = {
5268 .attrs = intel_pmu_attrs,
5269 .is_visible = default_is_visible,
5272 static const struct attribute_group *attr_update[] = {
5278 &group_format_extra,
5279 &group_format_extra_skl,
5284 EVENT_ATTR_STR_HYBRID(slots, slots_adl, "event=0x00,umask=0x4", hybrid_big);
5285 EVENT_ATTR_STR_HYBRID(topdown-retiring, td_retiring_adl, "event=0xc2,umask=0x0;event=0x00,umask=0x80", hybrid_big_small);
5286 EVENT_ATTR_STR_HYBRID(topdown-bad-spec, td_bad_spec_adl, "event=0x73,umask=0x0;event=0x00,umask=0x81", hybrid_big_small);
5287 EVENT_ATTR_STR_HYBRID(topdown-fe-bound, td_fe_bound_adl, "event=0x71,umask=0x0;event=0x00,umask=0x82", hybrid_big_small);
5288 EVENT_ATTR_STR_HYBRID(topdown-be-bound, td_be_bound_adl, "event=0x74,umask=0x0;event=0x00,umask=0x83", hybrid_big_small);
5289 EVENT_ATTR_STR_HYBRID(topdown-heavy-ops, td_heavy_ops_adl, "event=0x00,umask=0x84", hybrid_big);
5290 EVENT_ATTR_STR_HYBRID(topdown-br-mispredict, td_br_mis_adl, "event=0x00,umask=0x85", hybrid_big);
5291 EVENT_ATTR_STR_HYBRID(topdown-fetch-lat, td_fetch_lat_adl, "event=0x00,umask=0x86", hybrid_big);
5292 EVENT_ATTR_STR_HYBRID(topdown-mem-bound, td_mem_bound_adl, "event=0x00,umask=0x87", hybrid_big);
5294 static struct attribute *adl_hybrid_events_attrs[] = {
5295 EVENT_PTR(slots_adl),
5296 EVENT_PTR(td_retiring_adl),
5297 EVENT_PTR(td_bad_spec_adl),
5298 EVENT_PTR(td_fe_bound_adl),
5299 EVENT_PTR(td_be_bound_adl),
5300 EVENT_PTR(td_heavy_ops_adl),
5301 EVENT_PTR(td_br_mis_adl),
5302 EVENT_PTR(td_fetch_lat_adl),
5303 EVENT_PTR(td_mem_bound_adl),
5307 /* Must be in IDX order */
5308 EVENT_ATTR_STR_HYBRID(mem-loads, mem_ld_adl, "event=0xd0,umask=0x5,ldlat=3;event=0xcd,umask=0x1,ldlat=3", hybrid_big_small);
5309 EVENT_ATTR_STR_HYBRID(mem-stores, mem_st_adl, "event=0xd0,umask=0x6;event=0xcd,umask=0x2", hybrid_big_small);
5310 EVENT_ATTR_STR_HYBRID(mem-loads-aux, mem_ld_aux_adl, "event=0x03,umask=0x82", hybrid_big);
5312 static struct attribute *adl_hybrid_mem_attrs[] = {
5313 EVENT_PTR(mem_ld_adl),
5314 EVENT_PTR(mem_st_adl),
5315 EVENT_PTR(mem_ld_aux_adl),
5319 EVENT_ATTR_STR_HYBRID(tx-start, tx_start_adl, "event=0xc9,umask=0x1", hybrid_big);
5320 EVENT_ATTR_STR_HYBRID(tx-commit, tx_commit_adl, "event=0xc9,umask=0x2", hybrid_big);
5321 EVENT_ATTR_STR_HYBRID(tx-abort, tx_abort_adl, "event=0xc9,umask=0x4", hybrid_big);
5322 EVENT_ATTR_STR_HYBRID(tx-conflict, tx_conflict_adl, "event=0x54,umask=0x1", hybrid_big);
5323 EVENT_ATTR_STR_HYBRID(cycles-t, cycles_t_adl, "event=0x3c,in_tx=1", hybrid_big);
5324 EVENT_ATTR_STR_HYBRID(cycles-ct, cycles_ct_adl, "event=0x3c,in_tx=1,in_tx_cp=1", hybrid_big);
5325 EVENT_ATTR_STR_HYBRID(tx-capacity-read, tx_capacity_read_adl, "event=0x54,umask=0x80", hybrid_big);
5326 EVENT_ATTR_STR_HYBRID(tx-capacity-write, tx_capacity_write_adl, "event=0x54,umask=0x2", hybrid_big);
5328 static struct attribute *adl_hybrid_tsx_attrs[] = {
5329 EVENT_PTR(tx_start_adl),
5330 EVENT_PTR(tx_abort_adl),
5331 EVENT_PTR(tx_commit_adl),
5332 EVENT_PTR(tx_capacity_read_adl),
5333 EVENT_PTR(tx_capacity_write_adl),
5334 EVENT_PTR(tx_conflict_adl),
5335 EVENT_PTR(cycles_t_adl),
5336 EVENT_PTR(cycles_ct_adl),
5340 FORMAT_ATTR_HYBRID(in_tx, hybrid_big);
5341 FORMAT_ATTR_HYBRID(in_tx_cp, hybrid_big);
5342 FORMAT_ATTR_HYBRID(offcore_rsp, hybrid_big_small);
5343 FORMAT_ATTR_HYBRID(ldlat, hybrid_big_small);
5344 FORMAT_ATTR_HYBRID(frontend, hybrid_big);
5346 static struct attribute *adl_hybrid_extra_attr_rtm[] = {
5347 FORMAT_HYBRID_PTR(in_tx),
5348 FORMAT_HYBRID_PTR(in_tx_cp),
5349 FORMAT_HYBRID_PTR(offcore_rsp),
5350 FORMAT_HYBRID_PTR(ldlat),
5351 FORMAT_HYBRID_PTR(frontend),
5355 static struct attribute *adl_hybrid_extra_attr[] = {
5356 FORMAT_HYBRID_PTR(offcore_rsp),
5357 FORMAT_HYBRID_PTR(ldlat),
5358 FORMAT_HYBRID_PTR(frontend),
5362 static bool is_attr_for_this_pmu(struct kobject *kobj, struct attribute *attr)
5364 struct device *dev = kobj_to_dev(kobj);
5365 struct x86_hybrid_pmu *pmu =
5366 container_of(dev_get_drvdata(dev), struct x86_hybrid_pmu, pmu);
5367 struct perf_pmu_events_hybrid_attr *pmu_attr =
5368 container_of(attr, struct perf_pmu_events_hybrid_attr, attr.attr);
5370 return pmu->cpu_type & pmu_attr->pmu_type;
5373 static umode_t hybrid_events_is_visible(struct kobject *kobj,
5374 struct attribute *attr, int i)
5376 return is_attr_for_this_pmu(kobj, attr) ? attr->mode : 0;
5379 static inline int hybrid_find_supported_cpu(struct x86_hybrid_pmu *pmu)
5381 int cpu = cpumask_first(&pmu->supported_cpus);
5383 return (cpu >= nr_cpu_ids) ? -1 : cpu;
5386 static umode_t hybrid_tsx_is_visible(struct kobject *kobj,
5387 struct attribute *attr, int i)
5389 struct device *dev = kobj_to_dev(kobj);
5390 struct x86_hybrid_pmu *pmu =
5391 container_of(dev_get_drvdata(dev), struct x86_hybrid_pmu, pmu);
5392 int cpu = hybrid_find_supported_cpu(pmu);
5394 return (cpu >= 0) && is_attr_for_this_pmu(kobj, attr) && cpu_has(&cpu_data(cpu), X86_FEATURE_RTM) ? attr->mode : 0;
5397 static umode_t hybrid_format_is_visible(struct kobject *kobj,
5398 struct attribute *attr, int i)
5400 struct device *dev = kobj_to_dev(kobj);
5401 struct x86_hybrid_pmu *pmu =
5402 container_of(dev_get_drvdata(dev), struct x86_hybrid_pmu, pmu);
5403 struct perf_pmu_format_hybrid_attr *pmu_attr =
5404 container_of(attr, struct perf_pmu_format_hybrid_attr, attr.attr);
5405 int cpu = hybrid_find_supported_cpu(pmu);
5407 return (cpu >= 0) && (pmu->cpu_type & pmu_attr->pmu_type) ? attr->mode : 0;
5410 static struct attribute_group hybrid_group_events_td = {
5412 .is_visible = hybrid_events_is_visible,
5415 static struct attribute_group hybrid_group_events_mem = {
5417 .is_visible = hybrid_events_is_visible,
5420 static struct attribute_group hybrid_group_events_tsx = {
5422 .is_visible = hybrid_tsx_is_visible,
5425 static struct attribute_group hybrid_group_format_extra = {
5427 .is_visible = hybrid_format_is_visible,
5430 static ssize_t intel_hybrid_get_attr_cpus(struct device *dev,
5431 struct device_attribute *attr,
5434 struct x86_hybrid_pmu *pmu =
5435 container_of(dev_get_drvdata(dev), struct x86_hybrid_pmu, pmu);
5437 return cpumap_print_to_pagebuf(true, buf, &pmu->supported_cpus);
5440 static DEVICE_ATTR(cpus, S_IRUGO, intel_hybrid_get_attr_cpus, NULL);
5441 static struct attribute *intel_hybrid_cpus_attrs[] = {
5442 &dev_attr_cpus.attr,
5446 static struct attribute_group hybrid_group_cpus = {
5447 .attrs = intel_hybrid_cpus_attrs,
5450 static const struct attribute_group *hybrid_attr_update[] = {
5451 &hybrid_group_events_td,
5452 &hybrid_group_events_mem,
5453 &hybrid_group_events_tsx,
5456 &hybrid_group_format_extra,
5462 static struct attribute *empty_attrs;
5464 static void intel_pmu_check_num_counters(int *num_counters,
5465 int *num_counters_fixed,
5466 u64 *intel_ctrl, u64 fixed_mask)
5468 if (*num_counters > INTEL_PMC_MAX_GENERIC) {
5469 WARN(1, KERN_ERR "hw perf events %d > max(%d), clipping!",
5470 *num_counters, INTEL_PMC_MAX_GENERIC);
5471 *num_counters = INTEL_PMC_MAX_GENERIC;
5473 *intel_ctrl = (1ULL << *num_counters) - 1;
5475 if (*num_counters_fixed > INTEL_PMC_MAX_FIXED) {
5476 WARN(1, KERN_ERR "hw perf events fixed %d > max(%d), clipping!",
5477 *num_counters_fixed, INTEL_PMC_MAX_FIXED);
5478 *num_counters_fixed = INTEL_PMC_MAX_FIXED;
5481 *intel_ctrl |= fixed_mask << INTEL_PMC_IDX_FIXED;
5484 static void intel_pmu_check_event_constraints(struct event_constraint *event_constraints,
5486 int num_counters_fixed,
5489 struct event_constraint *c;
5491 if (!event_constraints)
5495 * event on fixed counter2 (REF_CYCLES) only works on this
5496 * counter, so do not extend mask to generic counters
5498 for_each_event_constraint(c, event_constraints) {
5500 * Don't extend the topdown slots and metrics
5501 * events to the generic counters.
5503 if (c->idxmsk64 & INTEL_PMC_MSK_TOPDOWN) {
5505 * Disable topdown slots and metrics events,
5506 * if slots event is not in CPUID.
5508 if (!(INTEL_PMC_MSK_FIXED_SLOTS & intel_ctrl))
5510 c->weight = hweight64(c->idxmsk64);
5514 if (c->cmask == FIXED_EVENT_FLAGS) {
5515 /* Disabled fixed counters which are not in CPUID */
5516 c->idxmsk64 &= intel_ctrl;
5518 if (c->idxmsk64 != INTEL_PMC_MSK_FIXED_REF_CYCLES)
5519 c->idxmsk64 |= (1ULL << num_counters) - 1;
5522 ~(~0ULL << (INTEL_PMC_IDX_FIXED + num_counters_fixed));
5523 c->weight = hweight64(c->idxmsk64);
5527 static void intel_pmu_check_extra_regs(struct extra_reg *extra_regs)
5529 struct extra_reg *er;
5532 * Access extra MSR may cause #GP under certain circumstances.
5533 * E.g. KVM doesn't support offcore event
5534 * Check all extra_regs here.
5539 for (er = extra_regs; er->msr; er++) {
5540 er->extra_msr_access = check_msr(er->msr, 0x11UL);
5541 /* Disable LBR select mapping */
5542 if ((er->idx == EXTRA_REG_LBR) && !er->extra_msr_access)
5543 x86_pmu.lbr_sel_map = NULL;
5547 static void intel_pmu_check_hybrid_pmus(u64 fixed_mask)
5549 struct x86_hybrid_pmu *pmu;
5552 for (i = 0; i < x86_pmu.num_hybrid_pmus; i++) {
5553 pmu = &x86_pmu.hybrid_pmu[i];
5555 intel_pmu_check_num_counters(&pmu->num_counters,
5556 &pmu->num_counters_fixed,
5560 if (pmu->intel_cap.perf_metrics) {
5561 pmu->intel_ctrl |= 1ULL << GLOBAL_CTRL_EN_PERF_METRICS;
5562 pmu->intel_ctrl |= INTEL_PMC_MSK_FIXED_SLOTS;
5565 if (pmu->intel_cap.pebs_output_pt_available)
5566 pmu->pmu.capabilities |= PERF_PMU_CAP_AUX_OUTPUT;
5568 intel_pmu_check_event_constraints(pmu->event_constraints,
5570 pmu->num_counters_fixed,
5573 intel_pmu_check_extra_regs(pmu->extra_regs);
5577 __init int intel_pmu_init(void)
5579 struct attribute **extra_skl_attr = &empty_attrs;
5580 struct attribute **extra_attr = &empty_attrs;
5581 struct attribute **td_attr = &empty_attrs;
5582 struct attribute **mem_attr = &empty_attrs;
5583 struct attribute **tsx_attr = &empty_attrs;
5584 union cpuid10_edx edx;
5585 union cpuid10_eax eax;
5586 union cpuid10_ebx ebx;
5587 unsigned int fixed_mask;
5591 struct x86_hybrid_pmu *pmu;
5593 if (!cpu_has(&boot_cpu_data, X86_FEATURE_ARCH_PERFMON)) {
5594 switch (boot_cpu_data.x86) {
5596 return p6_pmu_init();
5598 return knc_pmu_init();
5600 return p4_pmu_init();
5606 * Check whether the Architectural PerfMon supports
5607 * Branch Misses Retired hw_event or not.
5609 cpuid(10, &eax.full, &ebx.full, &fixed_mask, &edx.full);
5610 if (eax.split.mask_length < ARCH_PERFMON_EVENTS_COUNT)
5613 version = eax.split.version_id;
5617 x86_pmu = intel_pmu;
5619 x86_pmu.version = version;
5620 x86_pmu.num_counters = eax.split.num_counters;
5621 x86_pmu.cntval_bits = eax.split.bit_width;
5622 x86_pmu.cntval_mask = (1ULL << eax.split.bit_width) - 1;
5624 x86_pmu.events_maskl = ebx.full;
5625 x86_pmu.events_mask_len = eax.split.mask_length;
5627 x86_pmu.max_pebs_events = min_t(unsigned, MAX_PEBS_EVENTS, x86_pmu.num_counters);
5630 * Quirk: v2 perfmon does not report fixed-purpose events, so
5631 * assume at least 3 events, when not running in a hypervisor:
5633 if (version > 1 && version < 5) {
5634 int assume = 3 * !boot_cpu_has(X86_FEATURE_HYPERVISOR);
5636 x86_pmu.num_counters_fixed =
5637 max((int)edx.split.num_counters_fixed, assume);
5639 fixed_mask = (1L << x86_pmu.num_counters_fixed) - 1;
5640 } else if (version >= 5)
5641 x86_pmu.num_counters_fixed = fls(fixed_mask);
5643 if (boot_cpu_has(X86_FEATURE_PDCM)) {
5646 rdmsrl(MSR_IA32_PERF_CAPABILITIES, capabilities);
5647 x86_pmu.intel_cap.capabilities = capabilities;
5650 if (x86_pmu.intel_cap.lbr_format == LBR_FORMAT_32) {
5651 x86_pmu.lbr_reset = intel_pmu_lbr_reset_32;
5652 x86_pmu.lbr_read = intel_pmu_lbr_read_32;
5655 if (boot_cpu_has(X86_FEATURE_ARCH_LBR))
5656 intel_pmu_arch_lbr_init();
5660 x86_add_quirk(intel_arch_events_quirk); /* Install first, so it runs last */
5663 x86_pmu.intel_cap.anythread_deprecated = edx.split.anythread_deprecated;
5664 if (x86_pmu.intel_cap.anythread_deprecated)
5665 pr_cont(" AnyThread deprecated, ");
5669 * Install the hw-cache-events table:
5671 switch (boot_cpu_data.x86_model) {
5672 case INTEL_FAM6_CORE_YONAH:
5673 pr_cont("Core events, ");
5677 case INTEL_FAM6_CORE2_MEROM:
5678 x86_add_quirk(intel_clovertown_quirk);
5681 case INTEL_FAM6_CORE2_MEROM_L:
5682 case INTEL_FAM6_CORE2_PENRYN:
5683 case INTEL_FAM6_CORE2_DUNNINGTON:
5684 memcpy(hw_cache_event_ids, core2_hw_cache_event_ids,
5685 sizeof(hw_cache_event_ids));
5687 intel_pmu_lbr_init_core();
5689 x86_pmu.event_constraints = intel_core2_event_constraints;
5690 x86_pmu.pebs_constraints = intel_core2_pebs_event_constraints;
5691 pr_cont("Core2 events, ");
5695 case INTEL_FAM6_NEHALEM:
5696 case INTEL_FAM6_NEHALEM_EP:
5697 case INTEL_FAM6_NEHALEM_EX:
5698 memcpy(hw_cache_event_ids, nehalem_hw_cache_event_ids,
5699 sizeof(hw_cache_event_ids));
5700 memcpy(hw_cache_extra_regs, nehalem_hw_cache_extra_regs,
5701 sizeof(hw_cache_extra_regs));
5703 intel_pmu_lbr_init_nhm();
5705 x86_pmu.event_constraints = intel_nehalem_event_constraints;
5706 x86_pmu.pebs_constraints = intel_nehalem_pebs_event_constraints;
5707 x86_pmu.enable_all = intel_pmu_nhm_enable_all;
5708 x86_pmu.extra_regs = intel_nehalem_extra_regs;
5709 x86_pmu.limit_period = nhm_limit_period;
5711 mem_attr = nhm_mem_events_attrs;
5713 /* UOPS_ISSUED.STALLED_CYCLES */
5714 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] =
5715 X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1);
5716 /* UOPS_EXECUTED.CORE_ACTIVE_CYCLES,c=1,i=1 */
5717 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] =
5718 X86_CONFIG(.event=0xb1, .umask=0x3f, .inv=1, .cmask=1);
5720 intel_pmu_pebs_data_source_nhm();
5721 x86_add_quirk(intel_nehalem_quirk);
5722 x86_pmu.pebs_no_tlb = 1;
5723 extra_attr = nhm_format_attr;
5725 pr_cont("Nehalem events, ");
5729 case INTEL_FAM6_ATOM_BONNELL:
5730 case INTEL_FAM6_ATOM_BONNELL_MID:
5731 case INTEL_FAM6_ATOM_SALTWELL:
5732 case INTEL_FAM6_ATOM_SALTWELL_MID:
5733 case INTEL_FAM6_ATOM_SALTWELL_TABLET:
5734 memcpy(hw_cache_event_ids, atom_hw_cache_event_ids,
5735 sizeof(hw_cache_event_ids));
5737 intel_pmu_lbr_init_atom();
5739 x86_pmu.event_constraints = intel_gen_event_constraints;
5740 x86_pmu.pebs_constraints = intel_atom_pebs_event_constraints;
5741 x86_pmu.pebs_aliases = intel_pebs_aliases_core2;
5742 pr_cont("Atom events, ");
5746 case INTEL_FAM6_ATOM_SILVERMONT:
5747 case INTEL_FAM6_ATOM_SILVERMONT_D:
5748 case INTEL_FAM6_ATOM_SILVERMONT_MID:
5749 case INTEL_FAM6_ATOM_AIRMONT:
5750 case INTEL_FAM6_ATOM_AIRMONT_MID:
5751 memcpy(hw_cache_event_ids, slm_hw_cache_event_ids,
5752 sizeof(hw_cache_event_ids));
5753 memcpy(hw_cache_extra_regs, slm_hw_cache_extra_regs,
5754 sizeof(hw_cache_extra_regs));
5756 intel_pmu_lbr_init_slm();
5758 x86_pmu.event_constraints = intel_slm_event_constraints;
5759 x86_pmu.pebs_constraints = intel_slm_pebs_event_constraints;
5760 x86_pmu.extra_regs = intel_slm_extra_regs;
5761 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
5762 td_attr = slm_events_attrs;
5763 extra_attr = slm_format_attr;
5764 pr_cont("Silvermont events, ");
5765 name = "silvermont";
5768 case INTEL_FAM6_ATOM_GOLDMONT:
5769 case INTEL_FAM6_ATOM_GOLDMONT_D:
5770 memcpy(hw_cache_event_ids, glm_hw_cache_event_ids,
5771 sizeof(hw_cache_event_ids));
5772 memcpy(hw_cache_extra_regs, glm_hw_cache_extra_regs,
5773 sizeof(hw_cache_extra_regs));
5775 intel_pmu_lbr_init_skl();
5777 x86_pmu.event_constraints = intel_slm_event_constraints;
5778 x86_pmu.pebs_constraints = intel_glm_pebs_event_constraints;
5779 x86_pmu.extra_regs = intel_glm_extra_regs;
5781 * It's recommended to use CPU_CLK_UNHALTED.CORE_P + NPEBS
5782 * for precise cycles.
5783 * :pp is identical to :ppp
5785 x86_pmu.pebs_aliases = NULL;
5786 x86_pmu.pebs_prec_dist = true;
5787 x86_pmu.lbr_pt_coexist = true;
5788 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
5789 td_attr = glm_events_attrs;
5790 extra_attr = slm_format_attr;
5791 pr_cont("Goldmont events, ");
5795 case INTEL_FAM6_ATOM_GOLDMONT_PLUS:
5796 memcpy(hw_cache_event_ids, glp_hw_cache_event_ids,
5797 sizeof(hw_cache_event_ids));
5798 memcpy(hw_cache_extra_regs, glp_hw_cache_extra_regs,
5799 sizeof(hw_cache_extra_regs));
5801 intel_pmu_lbr_init_skl();
5803 x86_pmu.event_constraints = intel_slm_event_constraints;
5804 x86_pmu.extra_regs = intel_glm_extra_regs;
5806 * It's recommended to use CPU_CLK_UNHALTED.CORE_P + NPEBS
5807 * for precise cycles.
5809 x86_pmu.pebs_aliases = NULL;
5810 x86_pmu.pebs_prec_dist = true;
5811 x86_pmu.lbr_pt_coexist = true;
5812 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
5813 x86_pmu.flags |= PMU_FL_PEBS_ALL;
5814 x86_pmu.get_event_constraints = glp_get_event_constraints;
5815 td_attr = glm_events_attrs;
5816 /* Goldmont Plus has 4-wide pipeline */
5817 event_attr_td_total_slots_scale_glm.event_str = "4";
5818 extra_attr = slm_format_attr;
5819 pr_cont("Goldmont plus events, ");
5820 name = "goldmont_plus";
5823 case INTEL_FAM6_ATOM_TREMONT_D:
5824 case INTEL_FAM6_ATOM_TREMONT:
5825 case INTEL_FAM6_ATOM_TREMONT_L:
5826 x86_pmu.late_ack = true;
5827 memcpy(hw_cache_event_ids, glp_hw_cache_event_ids,
5828 sizeof(hw_cache_event_ids));
5829 memcpy(hw_cache_extra_regs, tnt_hw_cache_extra_regs,
5830 sizeof(hw_cache_extra_regs));
5831 hw_cache_event_ids[C(ITLB)][C(OP_READ)][C(RESULT_ACCESS)] = -1;
5833 intel_pmu_lbr_init_skl();
5835 x86_pmu.event_constraints = intel_slm_event_constraints;
5836 x86_pmu.extra_regs = intel_tnt_extra_regs;
5838 * It's recommended to use CPU_CLK_UNHALTED.CORE_P + NPEBS
5839 * for precise cycles.
5841 x86_pmu.pebs_aliases = NULL;
5842 x86_pmu.pebs_prec_dist = true;
5843 x86_pmu.lbr_pt_coexist = true;
5844 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
5845 x86_pmu.get_event_constraints = tnt_get_event_constraints;
5846 td_attr = tnt_events_attrs;
5847 extra_attr = slm_format_attr;
5848 pr_cont("Tremont events, ");
5852 case INTEL_FAM6_WESTMERE:
5853 case INTEL_FAM6_WESTMERE_EP:
5854 case INTEL_FAM6_WESTMERE_EX:
5855 memcpy(hw_cache_event_ids, westmere_hw_cache_event_ids,
5856 sizeof(hw_cache_event_ids));
5857 memcpy(hw_cache_extra_regs, nehalem_hw_cache_extra_regs,
5858 sizeof(hw_cache_extra_regs));
5860 intel_pmu_lbr_init_nhm();
5862 x86_pmu.event_constraints = intel_westmere_event_constraints;
5863 x86_pmu.enable_all = intel_pmu_nhm_enable_all;
5864 x86_pmu.pebs_constraints = intel_westmere_pebs_event_constraints;
5865 x86_pmu.extra_regs = intel_westmere_extra_regs;
5866 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
5868 mem_attr = nhm_mem_events_attrs;
5870 /* UOPS_ISSUED.STALLED_CYCLES */
5871 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] =
5872 X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1);
5873 /* UOPS_EXECUTED.CORE_ACTIVE_CYCLES,c=1,i=1 */
5874 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] =
5875 X86_CONFIG(.event=0xb1, .umask=0x3f, .inv=1, .cmask=1);
5877 intel_pmu_pebs_data_source_nhm();
5878 extra_attr = nhm_format_attr;
5879 pr_cont("Westmere events, ");
5883 case INTEL_FAM6_SANDYBRIDGE:
5884 case INTEL_FAM6_SANDYBRIDGE_X:
5885 x86_add_quirk(intel_sandybridge_quirk);
5886 x86_add_quirk(intel_ht_bug);
5887 memcpy(hw_cache_event_ids, snb_hw_cache_event_ids,
5888 sizeof(hw_cache_event_ids));
5889 memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs,
5890 sizeof(hw_cache_extra_regs));
5892 intel_pmu_lbr_init_snb();
5894 x86_pmu.event_constraints = intel_snb_event_constraints;
5895 x86_pmu.pebs_constraints = intel_snb_pebs_event_constraints;
5896 x86_pmu.pebs_aliases = intel_pebs_aliases_snb;
5897 if (boot_cpu_data.x86_model == INTEL_FAM6_SANDYBRIDGE_X)
5898 x86_pmu.extra_regs = intel_snbep_extra_regs;
5900 x86_pmu.extra_regs = intel_snb_extra_regs;
5903 /* all extra regs are per-cpu when HT is on */
5904 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
5905 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
5907 td_attr = snb_events_attrs;
5908 mem_attr = snb_mem_events_attrs;
5910 /* UOPS_ISSUED.ANY,c=1,i=1 to count stall cycles */
5911 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] =
5912 X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1);
5913 /* UOPS_DISPATCHED.THREAD,c=1,i=1 to count stall cycles*/
5914 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_BACKEND] =
5915 X86_CONFIG(.event=0xb1, .umask=0x01, .inv=1, .cmask=1);
5917 extra_attr = nhm_format_attr;
5919 pr_cont("SandyBridge events, ");
5920 name = "sandybridge";
5923 case INTEL_FAM6_IVYBRIDGE:
5924 case INTEL_FAM6_IVYBRIDGE_X:
5925 x86_add_quirk(intel_ht_bug);
5926 memcpy(hw_cache_event_ids, snb_hw_cache_event_ids,
5927 sizeof(hw_cache_event_ids));
5928 /* dTLB-load-misses on IVB is different than SNB */
5929 hw_cache_event_ids[C(DTLB)][C(OP_READ)][C(RESULT_MISS)] = 0x8108; /* DTLB_LOAD_MISSES.DEMAND_LD_MISS_CAUSES_A_WALK */
5931 memcpy(hw_cache_extra_regs, snb_hw_cache_extra_regs,
5932 sizeof(hw_cache_extra_regs));
5934 intel_pmu_lbr_init_snb();
5936 x86_pmu.event_constraints = intel_ivb_event_constraints;
5937 x86_pmu.pebs_constraints = intel_ivb_pebs_event_constraints;
5938 x86_pmu.pebs_aliases = intel_pebs_aliases_ivb;
5939 x86_pmu.pebs_prec_dist = true;
5940 if (boot_cpu_data.x86_model == INTEL_FAM6_IVYBRIDGE_X)
5941 x86_pmu.extra_regs = intel_snbep_extra_regs;
5943 x86_pmu.extra_regs = intel_snb_extra_regs;
5944 /* all extra regs are per-cpu when HT is on */
5945 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
5946 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
5948 td_attr = snb_events_attrs;
5949 mem_attr = snb_mem_events_attrs;
5951 /* UOPS_ISSUED.ANY,c=1,i=1 to count stall cycles */
5952 intel_perfmon_event_map[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND] =
5953 X86_CONFIG(.event=0x0e, .umask=0x01, .inv=1, .cmask=1);
5955 extra_attr = nhm_format_attr;
5957 pr_cont("IvyBridge events, ");
5962 case INTEL_FAM6_HASWELL:
5963 case INTEL_FAM6_HASWELL_X:
5964 case INTEL_FAM6_HASWELL_L:
5965 case INTEL_FAM6_HASWELL_G:
5966 x86_add_quirk(intel_ht_bug);
5967 x86_add_quirk(intel_pebs_isolation_quirk);
5968 x86_pmu.late_ack = true;
5969 memcpy(hw_cache_event_ids, hsw_hw_cache_event_ids, sizeof(hw_cache_event_ids));
5970 memcpy(hw_cache_extra_regs, hsw_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
5972 intel_pmu_lbr_init_hsw();
5974 x86_pmu.event_constraints = intel_hsw_event_constraints;
5975 x86_pmu.pebs_constraints = intel_hsw_pebs_event_constraints;
5976 x86_pmu.extra_regs = intel_snbep_extra_regs;
5977 x86_pmu.pebs_aliases = intel_pebs_aliases_ivb;
5978 x86_pmu.pebs_prec_dist = true;
5979 /* all extra regs are per-cpu when HT is on */
5980 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
5981 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
5983 x86_pmu.hw_config = hsw_hw_config;
5984 x86_pmu.get_event_constraints = hsw_get_event_constraints;
5985 x86_pmu.lbr_double_abort = true;
5986 extra_attr = boot_cpu_has(X86_FEATURE_RTM) ?
5987 hsw_format_attr : nhm_format_attr;
5988 td_attr = hsw_events_attrs;
5989 mem_attr = hsw_mem_events_attrs;
5990 tsx_attr = hsw_tsx_events_attrs;
5991 pr_cont("Haswell events, ");
5995 case INTEL_FAM6_BROADWELL:
5996 case INTEL_FAM6_BROADWELL_D:
5997 case INTEL_FAM6_BROADWELL_G:
5998 case INTEL_FAM6_BROADWELL_X:
5999 x86_add_quirk(intel_pebs_isolation_quirk);
6000 x86_pmu.late_ack = true;
6001 memcpy(hw_cache_event_ids, hsw_hw_cache_event_ids, sizeof(hw_cache_event_ids));
6002 memcpy(hw_cache_extra_regs, hsw_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
6004 /* L3_MISS_LOCAL_DRAM is BIT(26) in Broadwell */
6005 hw_cache_extra_regs[C(LL)][C(OP_READ)][C(RESULT_MISS)] = HSW_DEMAND_READ |
6006 BDW_L3_MISS|HSW_SNOOP_DRAM;
6007 hw_cache_extra_regs[C(LL)][C(OP_WRITE)][C(RESULT_MISS)] = HSW_DEMAND_WRITE|BDW_L3_MISS|
6009 hw_cache_extra_regs[C(NODE)][C(OP_READ)][C(RESULT_ACCESS)] = HSW_DEMAND_READ|
6010 BDW_L3_MISS_LOCAL|HSW_SNOOP_DRAM;
6011 hw_cache_extra_regs[C(NODE)][C(OP_WRITE)][C(RESULT_ACCESS)] = HSW_DEMAND_WRITE|
6012 BDW_L3_MISS_LOCAL|HSW_SNOOP_DRAM;
6014 intel_pmu_lbr_init_hsw();
6016 x86_pmu.event_constraints = intel_bdw_event_constraints;
6017 x86_pmu.pebs_constraints = intel_bdw_pebs_event_constraints;
6018 x86_pmu.extra_regs = intel_snbep_extra_regs;
6019 x86_pmu.pebs_aliases = intel_pebs_aliases_ivb;
6020 x86_pmu.pebs_prec_dist = true;
6021 /* all extra regs are per-cpu when HT is on */
6022 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
6023 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
6025 x86_pmu.hw_config = hsw_hw_config;
6026 x86_pmu.get_event_constraints = hsw_get_event_constraints;
6027 x86_pmu.limit_period = bdw_limit_period;
6028 extra_attr = boot_cpu_has(X86_FEATURE_RTM) ?
6029 hsw_format_attr : nhm_format_attr;
6030 td_attr = hsw_events_attrs;
6031 mem_attr = hsw_mem_events_attrs;
6032 tsx_attr = hsw_tsx_events_attrs;
6033 pr_cont("Broadwell events, ");
6037 case INTEL_FAM6_XEON_PHI_KNL:
6038 case INTEL_FAM6_XEON_PHI_KNM:
6039 memcpy(hw_cache_event_ids,
6040 slm_hw_cache_event_ids, sizeof(hw_cache_event_ids));
6041 memcpy(hw_cache_extra_regs,
6042 knl_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
6043 intel_pmu_lbr_init_knl();
6045 x86_pmu.event_constraints = intel_slm_event_constraints;
6046 x86_pmu.pebs_constraints = intel_slm_pebs_event_constraints;
6047 x86_pmu.extra_regs = intel_knl_extra_regs;
6049 /* all extra regs are per-cpu when HT is on */
6050 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
6051 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
6052 extra_attr = slm_format_attr;
6053 pr_cont("Knights Landing/Mill events, ");
6054 name = "knights-landing";
6057 case INTEL_FAM6_SKYLAKE_X:
6060 case INTEL_FAM6_SKYLAKE_L:
6061 case INTEL_FAM6_SKYLAKE:
6062 case INTEL_FAM6_KABYLAKE_L:
6063 case INTEL_FAM6_KABYLAKE:
6064 case INTEL_FAM6_COMETLAKE_L:
6065 case INTEL_FAM6_COMETLAKE:
6066 x86_add_quirk(intel_pebs_isolation_quirk);
6067 x86_pmu.late_ack = true;
6068 memcpy(hw_cache_event_ids, skl_hw_cache_event_ids, sizeof(hw_cache_event_ids));
6069 memcpy(hw_cache_extra_regs, skl_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
6070 intel_pmu_lbr_init_skl();
6072 /* INT_MISC.RECOVERY_CYCLES has umask 1 in Skylake */
6073 event_attr_td_recovery_bubbles.event_str_noht =
6074 "event=0xd,umask=0x1,cmask=1";
6075 event_attr_td_recovery_bubbles.event_str_ht =
6076 "event=0xd,umask=0x1,cmask=1,any=1";
6078 x86_pmu.event_constraints = intel_skl_event_constraints;
6079 x86_pmu.pebs_constraints = intel_skl_pebs_event_constraints;
6080 x86_pmu.extra_regs = intel_skl_extra_regs;
6081 x86_pmu.pebs_aliases = intel_pebs_aliases_skl;
6082 x86_pmu.pebs_prec_dist = true;
6083 /* all extra regs are per-cpu when HT is on */
6084 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
6085 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
6087 x86_pmu.hw_config = hsw_hw_config;
6088 x86_pmu.get_event_constraints = hsw_get_event_constraints;
6089 extra_attr = boot_cpu_has(X86_FEATURE_RTM) ?
6090 hsw_format_attr : nhm_format_attr;
6091 extra_skl_attr = skl_format_attr;
6092 td_attr = hsw_events_attrs;
6093 mem_attr = hsw_mem_events_attrs;
6094 tsx_attr = hsw_tsx_events_attrs;
6095 intel_pmu_pebs_data_source_skl(pmem);
6098 * Processors with CPUID.RTM_ALWAYS_ABORT have TSX deprecated by default.
6099 * TSX force abort hooks are not required on these systems. Only deploy
6100 * workaround when microcode has not enabled X86_FEATURE_RTM_ALWAYS_ABORT.
6102 if (boot_cpu_has(X86_FEATURE_TSX_FORCE_ABORT) &&
6103 !boot_cpu_has(X86_FEATURE_RTM_ALWAYS_ABORT)) {
6104 x86_pmu.flags |= PMU_FL_TFA;
6105 x86_pmu.get_event_constraints = tfa_get_event_constraints;
6106 x86_pmu.enable_all = intel_tfa_pmu_enable_all;
6107 x86_pmu.commit_scheduling = intel_tfa_commit_scheduling;
6110 pr_cont("Skylake events, ");
6114 case INTEL_FAM6_ICELAKE_X:
6115 case INTEL_FAM6_ICELAKE_D:
6118 case INTEL_FAM6_ICELAKE_L:
6119 case INTEL_FAM6_ICELAKE:
6120 case INTEL_FAM6_TIGERLAKE_L:
6121 case INTEL_FAM6_TIGERLAKE:
6122 case INTEL_FAM6_ROCKETLAKE:
6123 x86_pmu.late_ack = true;
6124 memcpy(hw_cache_event_ids, skl_hw_cache_event_ids, sizeof(hw_cache_event_ids));
6125 memcpy(hw_cache_extra_regs, skl_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
6126 hw_cache_event_ids[C(ITLB)][C(OP_READ)][C(RESULT_ACCESS)] = -1;
6127 intel_pmu_lbr_init_skl();
6129 x86_pmu.event_constraints = intel_icl_event_constraints;
6130 x86_pmu.pebs_constraints = intel_icl_pebs_event_constraints;
6131 x86_pmu.extra_regs = intel_icl_extra_regs;
6132 x86_pmu.pebs_aliases = NULL;
6133 x86_pmu.pebs_prec_dist = true;
6134 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
6135 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
6137 x86_pmu.hw_config = hsw_hw_config;
6138 x86_pmu.get_event_constraints = icl_get_event_constraints;
6139 extra_attr = boot_cpu_has(X86_FEATURE_RTM) ?
6140 hsw_format_attr : nhm_format_attr;
6141 extra_skl_attr = skl_format_attr;
6142 mem_attr = icl_events_attrs;
6143 td_attr = icl_td_events_attrs;
6144 tsx_attr = icl_tsx_events_attrs;
6145 x86_pmu.rtm_abort_event = X86_CONFIG(.event=0xc9, .umask=0x04);
6146 x86_pmu.lbr_pt_coexist = true;
6147 intel_pmu_pebs_data_source_skl(pmem);
6148 x86_pmu.num_topdown_events = 4;
6149 x86_pmu.update_topdown_event = icl_update_topdown_event;
6150 x86_pmu.set_topdown_event_period = icl_set_topdown_event_period;
6151 pr_cont("Icelake events, ");
6155 case INTEL_FAM6_SAPPHIRERAPIDS_X:
6157 x86_pmu.late_ack = true;
6158 memcpy(hw_cache_event_ids, spr_hw_cache_event_ids, sizeof(hw_cache_event_ids));
6159 memcpy(hw_cache_extra_regs, spr_hw_cache_extra_regs, sizeof(hw_cache_extra_regs));
6161 x86_pmu.event_constraints = intel_spr_event_constraints;
6162 x86_pmu.pebs_constraints = intel_spr_pebs_event_constraints;
6163 x86_pmu.extra_regs = intel_spr_extra_regs;
6164 x86_pmu.limit_period = spr_limit_period;
6165 x86_pmu.pebs_aliases = NULL;
6166 x86_pmu.pebs_prec_dist = true;
6167 x86_pmu.pebs_block = true;
6168 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
6169 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
6170 x86_pmu.flags |= PMU_FL_PEBS_ALL;
6171 x86_pmu.flags |= PMU_FL_INSTR_LATENCY;
6172 x86_pmu.flags |= PMU_FL_MEM_LOADS_AUX;
6174 x86_pmu.hw_config = hsw_hw_config;
6175 x86_pmu.get_event_constraints = spr_get_event_constraints;
6176 extra_attr = boot_cpu_has(X86_FEATURE_RTM) ?
6177 hsw_format_attr : nhm_format_attr;
6178 extra_skl_attr = skl_format_attr;
6179 mem_attr = spr_events_attrs;
6180 td_attr = spr_td_events_attrs;
6181 tsx_attr = spr_tsx_events_attrs;
6182 x86_pmu.rtm_abort_event = X86_CONFIG(.event=0xc9, .umask=0x04);
6183 x86_pmu.lbr_pt_coexist = true;
6184 intel_pmu_pebs_data_source_skl(pmem);
6185 x86_pmu.num_topdown_events = 8;
6186 x86_pmu.update_topdown_event = icl_update_topdown_event;
6187 x86_pmu.set_topdown_event_period = icl_set_topdown_event_period;
6188 pr_cont("Sapphire Rapids events, ");
6189 name = "sapphire_rapids";
6192 case INTEL_FAM6_ALDERLAKE:
6193 case INTEL_FAM6_ALDERLAKE_L:
6195 * Alder Lake has 2 types of CPU, core and atom.
6197 * Initialize the common PerfMon capabilities here.
6199 x86_pmu.hybrid_pmu = kcalloc(X86_HYBRID_NUM_PMUS,
6200 sizeof(struct x86_hybrid_pmu),
6202 if (!x86_pmu.hybrid_pmu)
6204 static_branch_enable(&perf_is_hybrid);
6205 x86_pmu.num_hybrid_pmus = X86_HYBRID_NUM_PMUS;
6207 x86_pmu.pebs_aliases = NULL;
6208 x86_pmu.pebs_prec_dist = true;
6209 x86_pmu.pebs_block = true;
6210 x86_pmu.flags |= PMU_FL_HAS_RSP_1;
6211 x86_pmu.flags |= PMU_FL_NO_HT_SHARING;
6212 x86_pmu.flags |= PMU_FL_PEBS_ALL;
6213 x86_pmu.flags |= PMU_FL_INSTR_LATENCY;
6214 x86_pmu.flags |= PMU_FL_MEM_LOADS_AUX;
6215 x86_pmu.lbr_pt_coexist = true;
6216 intel_pmu_pebs_data_source_skl(false);
6217 x86_pmu.num_topdown_events = 8;
6218 x86_pmu.update_topdown_event = adl_update_topdown_event;
6219 x86_pmu.set_topdown_event_period = adl_set_topdown_event_period;
6221 x86_pmu.filter_match = intel_pmu_filter_match;
6222 x86_pmu.get_event_constraints = adl_get_event_constraints;
6223 x86_pmu.hw_config = adl_hw_config;
6224 x86_pmu.limit_period = spr_limit_period;
6225 x86_pmu.get_hybrid_cpu_type = adl_get_hybrid_cpu_type;
6227 * The rtm_abort_event is used to check whether to enable GPRs
6228 * for the RTM abort event. Atom doesn't have the RTM abort
6229 * event. There is no harmful to set it in the common
6230 * x86_pmu.rtm_abort_event.
6232 x86_pmu.rtm_abort_event = X86_CONFIG(.event=0xc9, .umask=0x04);
6234 td_attr = adl_hybrid_events_attrs;
6235 mem_attr = adl_hybrid_mem_attrs;
6236 tsx_attr = adl_hybrid_tsx_attrs;
6237 extra_attr = boot_cpu_has(X86_FEATURE_RTM) ?
6238 adl_hybrid_extra_attr_rtm : adl_hybrid_extra_attr;
6240 /* Initialize big core specific PerfMon capabilities.*/
6241 pmu = &x86_pmu.hybrid_pmu[X86_HYBRID_PMU_CORE_IDX];
6242 pmu->name = "cpu_core";
6243 pmu->cpu_type = hybrid_big;
6244 pmu->late_ack = true;
6245 if (cpu_feature_enabled(X86_FEATURE_HYBRID_CPU)) {
6246 pmu->num_counters = x86_pmu.num_counters + 2;
6247 pmu->num_counters_fixed = x86_pmu.num_counters_fixed + 1;
6249 pmu->num_counters = x86_pmu.num_counters;
6250 pmu->num_counters_fixed = x86_pmu.num_counters_fixed;
6254 * Quirk: For some Alder Lake machine, when all E-cores are disabled in
6255 * a BIOS, the leaf 0xA will enumerate all counters of P-cores. However,
6256 * the X86_FEATURE_HYBRID_CPU is still set. The above codes will
6257 * mistakenly add extra counters for P-cores. Correct the number of
6260 if ((pmu->num_counters > 8) || (pmu->num_counters_fixed > 4)) {
6261 pmu->num_counters = x86_pmu.num_counters;
6262 pmu->num_counters_fixed = x86_pmu.num_counters_fixed;
6265 pmu->max_pebs_events = min_t(unsigned, MAX_PEBS_EVENTS, pmu->num_counters);
6266 pmu->unconstrained = (struct event_constraint)
6267 __EVENT_CONSTRAINT(0, (1ULL << pmu->num_counters) - 1,
6268 0, pmu->num_counters, 0, 0);
6269 pmu->intel_cap.capabilities = x86_pmu.intel_cap.capabilities;
6270 pmu->intel_cap.perf_metrics = 1;
6271 pmu->intel_cap.pebs_output_pt_available = 0;
6273 memcpy(pmu->hw_cache_event_ids, spr_hw_cache_event_ids, sizeof(pmu->hw_cache_event_ids));
6274 memcpy(pmu->hw_cache_extra_regs, spr_hw_cache_extra_regs, sizeof(pmu->hw_cache_extra_regs));
6275 pmu->event_constraints = intel_spr_event_constraints;
6276 pmu->pebs_constraints = intel_spr_pebs_event_constraints;
6277 pmu->extra_regs = intel_spr_extra_regs;
6279 /* Initialize Atom core specific PerfMon capabilities.*/
6280 pmu = &x86_pmu.hybrid_pmu[X86_HYBRID_PMU_ATOM_IDX];
6281 pmu->name = "cpu_atom";
6282 pmu->cpu_type = hybrid_small;
6283 pmu->mid_ack = true;
6284 pmu->num_counters = x86_pmu.num_counters;
6285 pmu->num_counters_fixed = x86_pmu.num_counters_fixed;
6286 pmu->max_pebs_events = x86_pmu.max_pebs_events;
6287 pmu->unconstrained = (struct event_constraint)
6288 __EVENT_CONSTRAINT(0, (1ULL << pmu->num_counters) - 1,
6289 0, pmu->num_counters, 0, 0);
6290 pmu->intel_cap.capabilities = x86_pmu.intel_cap.capabilities;
6291 pmu->intel_cap.perf_metrics = 0;
6292 pmu->intel_cap.pebs_output_pt_available = 1;
6294 memcpy(pmu->hw_cache_event_ids, glp_hw_cache_event_ids, sizeof(pmu->hw_cache_event_ids));
6295 memcpy(pmu->hw_cache_extra_regs, tnt_hw_cache_extra_regs, sizeof(pmu->hw_cache_extra_regs));
6296 pmu->hw_cache_event_ids[C(ITLB)][C(OP_READ)][C(RESULT_ACCESS)] = -1;
6297 pmu->event_constraints = intel_slm_event_constraints;
6298 pmu->pebs_constraints = intel_grt_pebs_event_constraints;
6299 pmu->extra_regs = intel_grt_extra_regs;
6300 pr_cont("Alderlake Hybrid events, ");
6301 name = "alderlake_hybrid";
6305 switch (x86_pmu.version) {
6307 x86_pmu.event_constraints = intel_v1_event_constraints;
6308 pr_cont("generic architected perfmon v1, ");
6309 name = "generic_arch_v1";
6313 * default constraints for v2 and up
6315 x86_pmu.event_constraints = intel_gen_event_constraints;
6316 pr_cont("generic architected perfmon, ");
6317 name = "generic_arch_v2+";
6322 snprintf(pmu_name_str, sizeof(pmu_name_str), "%s", name);
6325 group_events_td.attrs = td_attr;
6326 group_events_mem.attrs = mem_attr;
6327 group_events_tsx.attrs = tsx_attr;
6328 group_format_extra.attrs = extra_attr;
6329 group_format_extra_skl.attrs = extra_skl_attr;
6331 x86_pmu.attr_update = attr_update;
6333 hybrid_group_events_td.attrs = td_attr;
6334 hybrid_group_events_mem.attrs = mem_attr;
6335 hybrid_group_events_tsx.attrs = tsx_attr;
6336 hybrid_group_format_extra.attrs = extra_attr;
6338 x86_pmu.attr_update = hybrid_attr_update;
6341 intel_pmu_check_num_counters(&x86_pmu.num_counters,
6342 &x86_pmu.num_counters_fixed,
6343 &x86_pmu.intel_ctrl,
6346 /* AnyThread may be deprecated on arch perfmon v5 or later */
6347 if (x86_pmu.intel_cap.anythread_deprecated)
6348 x86_pmu.format_attrs = intel_arch_formats_attr;
6350 intel_pmu_check_event_constraints(x86_pmu.event_constraints,
6351 x86_pmu.num_counters,
6352 x86_pmu.num_counters_fixed,
6353 x86_pmu.intel_ctrl);
6355 * Access LBR MSR may cause #GP under certain circumstances.
6356 * E.g. KVM doesn't support LBR MSR
6357 * Check all LBT MSR here.
6358 * Disable LBR access if any LBR MSRs can not be accessed.
6360 if (x86_pmu.lbr_tos && !check_msr(x86_pmu.lbr_tos, 0x3UL))
6362 for (i = 0; i < x86_pmu.lbr_nr; i++) {
6363 if (!(check_msr(x86_pmu.lbr_from + i, 0xffffUL) &&
6364 check_msr(x86_pmu.lbr_to + i, 0xffffUL)))
6368 if (x86_pmu.lbr_nr) {
6369 intel_pmu_lbr_init();
6371 pr_cont("%d-deep LBR, ", x86_pmu.lbr_nr);
6373 /* only support branch_stack snapshot for perfmon >= v2 */
6374 if (x86_pmu.disable_all == intel_pmu_disable_all) {
6375 if (boot_cpu_has(X86_FEATURE_ARCH_LBR)) {
6376 static_call_update(perf_snapshot_branch_stack,
6377 intel_pmu_snapshot_arch_branch_stack);
6379 static_call_update(perf_snapshot_branch_stack,
6380 intel_pmu_snapshot_branch_stack);
6385 intel_pmu_check_extra_regs(x86_pmu.extra_regs);
6387 /* Support full width counters using alternative MSR range */
6388 if (x86_pmu.intel_cap.full_width_write) {
6389 x86_pmu.max_period = x86_pmu.cntval_mask >> 1;
6390 x86_pmu.perfctr = MSR_IA32_PMC0;
6391 pr_cont("full-width counters, ");
6394 if (!is_hybrid() && x86_pmu.intel_cap.perf_metrics)
6395 x86_pmu.intel_ctrl |= 1ULL << GLOBAL_CTRL_EN_PERF_METRICS;
6398 intel_pmu_check_hybrid_pmus((u64)fixed_mask);
6400 intel_aux_output_init();
6406 * HT bug: phase 2 init
6407 * Called once we have valid topology information to check
6408 * whether or not HT is enabled
6409 * If HT is off, then we disable the workaround
6411 static __init int fixup_ht_bug(void)
6415 * problem not present on this CPU model, nothing to do
6417 if (!(x86_pmu.flags & PMU_FL_EXCL_ENABLED))
6420 if (topology_max_smt_threads() > 1) {
6421 pr_info("PMU erratum BJ122, BV98, HSD29 worked around, HT is on\n");
6427 hardlockup_detector_perf_stop();
6429 x86_pmu.flags &= ~(PMU_FL_EXCL_CNTRS | PMU_FL_EXCL_ENABLED);
6431 x86_pmu.start_scheduling = NULL;
6432 x86_pmu.commit_scheduling = NULL;
6433 x86_pmu.stop_scheduling = NULL;
6435 hardlockup_detector_perf_restart();
6437 for_each_online_cpu(c)
6438 free_excl_cntrs(&per_cpu(cpu_hw_events, c));
6441 pr_info("PMU erratum BJ122, BV98, HSD29 workaround disabled, HT off\n");
6444 subsys_initcall(fixup_ht_bug)