arch/arm64/kvm/trace_arm.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #if !defined(_TRACE_ARM_ARM64_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
   3 #define _TRACE_ARM_ARM64_KVM_H
   4
   5 #include <kvm/arm_arch_timer.h>
   6 #include <linux/tracepoint.h>
   7
   8 #undef TRACE_SYSTEM
   9 #define TRACE_SYSTEM kvm
  10
  11 /*
  12  * Tracepoints for entry/exit to guest
  13  */
  14 TRACE_EVENT(kvm_entry,
  15         TP_PROTO(unsigned long vcpu_pc),
  16         TP_ARGS(vcpu_pc),
  17
  18         TP_STRUCT__entry(
  19                 __field(        unsigned long,  vcpu_pc         )
  20         ),
  21
  22         TP_fast_assign(
  23                 __entry->vcpu_pc                = vcpu_pc;
  24         ),
  25
  26         TP_printk("PC: 0x%016lx", __entry->vcpu_pc)
  27 );
  28
  29 TRACE_EVENT(kvm_exit,
  30         TP_PROTO(int ret, unsigned int esr_ec, unsigned long vcpu_pc),
  31         TP_ARGS(ret, esr_ec, vcpu_pc),
  32
  33         TP_STRUCT__entry(
  34                 __field(        int,            ret             )
  35                 __field(        unsigned int,   esr_ec          )
  36                 __field(        unsigned long,  vcpu_pc         )
  37         ),
  38
  39         TP_fast_assign(
  40                 __entry->ret                    = ARM_EXCEPTION_CODE(ret);
  41                 __entry->esr_ec = ARM_EXCEPTION_IS_TRAP(ret) ? esr_ec : 0;
  42                 __entry->vcpu_pc                = vcpu_pc;
  43         ),
  44
  45         TP_printk("%s: HSR_EC: 0x%04x (%s), PC: 0x%016lx",
  46                   __print_symbolic(__entry->ret, kvm_arm_exception_type),
  47                   __entry->esr_ec,
  48                   __print_symbolic(__entry->esr_ec, kvm_arm_exception_class),
  49                   __entry->vcpu_pc)
  50 );
  51
  52 TRACE_EVENT(kvm_guest_fault,
  53         TP_PROTO(unsigned long vcpu_pc, unsigned long hsr,
  54                  unsigned long hxfar,
  55                  unsigned long long ipa),
  56         TP_ARGS(vcpu_pc, hsr, hxfar, ipa),
  57
  58         TP_STRUCT__entry(
  59                 __field(        unsigned long,  vcpu_pc         )
  60                 __field(        unsigned long,  hsr             )
  61                 __field(        unsigned long,  hxfar           )
  62                 __field(   unsigned long long,  ipa             )
  63         ),
  64
  65         TP_fast_assign(
  66                 __entry->vcpu_pc                = vcpu_pc;
  67                 __entry->hsr                    = hsr;
  68                 __entry->hxfar                  = hxfar;
  69                 __entry->ipa                    = ipa;
  70         ),
  71
  72         TP_printk("ipa %#llx, hsr %#08lx, hxfar %#08lx, pc %#016lx",
  73                   __entry->ipa, __entry->hsr,
  74                   __entry->hxfar, __entry->vcpu_pc)
  75 );
  76
  77 TRACE_EVENT(kvm_access_fault,
  78         TP_PROTO(unsigned long ipa),
  79         TP_ARGS(ipa),
  80
  81         TP_STRUCT__entry(
  82                 __field(        unsigned long,  ipa             )
  83         ),
  84
  85         TP_fast_assign(
  86                 __entry->ipa            = ipa;
  87         ),
  88
  89         TP_printk("IPA: %lx", __entry->ipa)
  90 );
  91
  92 TRACE_EVENT(kvm_irq_line,
  93         TP_PROTO(unsigned int type, int vcpu_idx, int irq_num, int level),
  94         TP_ARGS(type, vcpu_idx, irq_num, level),
  95
  96         TP_STRUCT__entry(
  97                 __field(        unsigned int,   type            )
  98                 __field(        int,            vcpu_idx        )
  99                 __field(        int,            irq_num         )
 100                 __field(        int,            level           )
 101         ),
 102
 103         TP_fast_assign(
 104                 __entry->type           = type;
 105                 __entry->vcpu_idx       = vcpu_idx;
 106                 __entry->irq_num        = irq_num;
 107                 __entry->level          = level;
 108         ),
 109
 110         TP_printk("Inject %s interrupt (%d), vcpu->idx: %d, num: %d, level: %d",
 111                   (__entry->type == KVM_ARM_IRQ_TYPE_CPU) ? "CPU" :
 112                   (__entry->type == KVM_ARM_IRQ_TYPE_PPI) ? "VGIC PPI" :
 113                   (__entry->type == KVM_ARM_IRQ_TYPE_SPI) ? "VGIC SPI" : "UNKNOWN",
 114                   __entry->type, __entry->vcpu_idx, __entry->irq_num, __entry->level)
 115 );
 116
 117 TRACE_EVENT(kvm_mmio_emulate,
 118         TP_PROTO(unsigned long vcpu_pc, unsigned long instr,
 119                  unsigned long cpsr),
 120         TP_ARGS(vcpu_pc, instr, cpsr),
 121
 122         TP_STRUCT__entry(
 123                 __field(        unsigned long,  vcpu_pc         )
 124                 __field(        unsigned long,  instr           )
 125                 __field(        unsigned long,  cpsr            )
 126         ),
 127
 128         TP_fast_assign(
 129                 __entry->vcpu_pc                = vcpu_pc;
 130                 __entry->instr                  = instr;
 131                 __entry->cpsr                   = cpsr;
 132         ),
 133
 134         TP_printk("Emulate MMIO at: 0x%016lx (instr: %08lx, cpsr: %08lx)",
 135                   __entry->vcpu_pc, __entry->instr, __entry->cpsr)
 136 );
 137
 138 TRACE_EVENT(kvm_unmap_hva_range,
 139         TP_PROTO(unsigned long start, unsigned long end),
 140         TP_ARGS(start, end),
 141
 142         TP_STRUCT__entry(
 143                 __field(        unsigned long,  start           )
 144                 __field(        unsigned long,  end             )
 145         ),
 146
 147         TP_fast_assign(
 148                 __entry->start          = start;
 149                 __entry->end            = end;
 150         ),
 151
 152         TP_printk("mmu notifier unmap range: %#016lx -- %#016lx",
 153                   __entry->start, __entry->end)
 154 );
 155
 156 TRACE_EVENT(kvm_set_spte_hva,
 157         TP_PROTO(unsigned long hva),
 158         TP_ARGS(hva),
 159
 160         TP_STRUCT__entry(
 161                 __field(        unsigned long,  hva             )
 162         ),
 163
 164         TP_fast_assign(
 165                 __entry->hva            = hva;
 166         ),
 167
 168         TP_printk("mmu notifier set pte hva: %#016lx", __entry->hva)
 169 );
 170
 171 TRACE_EVENT(kvm_age_hva,
 172         TP_PROTO(unsigned long start, unsigned long end),
 173         TP_ARGS(start, end),
 174
 175         TP_STRUCT__entry(
 176                 __field(        unsigned long,  start           )
 177                 __field(        unsigned long,  end             )
 178         ),
 179
 180         TP_fast_assign(
 181                 __entry->start          = start;
 182                 __entry->end            = end;
 183         ),
 184
 185         TP_printk("mmu notifier age hva: %#016lx -- %#016lx",
 186                   __entry->start, __entry->end)
 187 );
 188
 189 TRACE_EVENT(kvm_test_age_hva,
 190         TP_PROTO(unsigned long hva),
 191         TP_ARGS(hva),
 192
 193         TP_STRUCT__entry(
 194                 __field(        unsigned long,  hva             )
 195         ),
 196
 197         TP_fast_assign(
 198                 __entry->hva            = hva;
 199         ),
 200
 201         TP_printk("mmu notifier test age hva: %#016lx", __entry->hva)
 202 );
 203
 204 TRACE_EVENT(kvm_set_way_flush,
 205             TP_PROTO(unsigned long vcpu_pc, bool cache),
 206             TP_ARGS(vcpu_pc, cache),
 207
 208             TP_STRUCT__entry(
 209                     __field(    unsigned long,  vcpu_pc         )
 210                     __field(    bool,           cache           )
 211             ),
 212
 213             TP_fast_assign(
 214                     __entry->vcpu_pc            = vcpu_pc;
 215                     __entry->cache              = cache;
 216             ),
 217
 218             TP_printk("S/W flush at 0x%016lx (cache %s)",
 219                       __entry->vcpu_pc, __entry->cache ? "on" : "off")
 220 );
 221
 222 TRACE_EVENT(kvm_toggle_cache,
 223             TP_PROTO(unsigned long vcpu_pc, bool was, bool now),
 224             TP_ARGS(vcpu_pc, was, now),
 225
 226             TP_STRUCT__entry(
 227                     __field(    unsigned long,  vcpu_pc         )
 228                     __field(    bool,           was             )
 229                     __field(    bool,           now             )
 230             ),
 231
 232             TP_fast_assign(
 233                     __entry->vcpu_pc            = vcpu_pc;
 234                     __entry->was                = was;
 235                     __entry->now                = now;
 236             ),
 237
 238             TP_printk("VM op at 0x%016lx (cache was %s, now %s)",
 239                       __entry->vcpu_pc, __entry->was ? "on" : "off",
 240                       __entry->now ? "on" : "off")
 241 );
 242
 243 /*
 244  * Tracepoints for arch_timer
 245  */
 246 TRACE_EVENT(kvm_timer_update_irq,
 247         TP_PROTO(unsigned long vcpu_id, __u32 irq, int level),
 248         TP_ARGS(vcpu_id, irq, level),
 249
 250         TP_STRUCT__entry(
 251                 __field(        unsigned long,  vcpu_id )
 252                 __field(        __u32,          irq     )
 253                 __field(        int,            level   )
 254         ),
 255
 256         TP_fast_assign(
 257                 __entry->vcpu_id        = vcpu_id;
 258                 __entry->irq            = irq;
 259                 __entry->level          = level;
 260         ),
 261
 262         TP_printk("VCPU: %ld, IRQ %d, level %d",
 263                   __entry->vcpu_id, __entry->irq, __entry->level)
 264 );
 265
 266 TRACE_EVENT(kvm_get_timer_map,
 267         TP_PROTO(unsigned long vcpu_id, struct timer_map *map),
 268         TP_ARGS(vcpu_id, map),
 269
 270         TP_STRUCT__entry(
 271                 __field(        unsigned long,          vcpu_id )
 272                 __field(        int,                    direct_vtimer   )
 273                 __field(        int,                    direct_ptimer   )
 274                 __field(        int,                    emul_ptimer     )
 275         ),
 276
 277         TP_fast_assign(
 278                 __entry->vcpu_id                = vcpu_id;
 279                 __entry->direct_vtimer          = arch_timer_ctx_index(map->direct_vtimer);
 280                 __entry->direct_ptimer =
 281                         (map->direct_ptimer) ? arch_timer_ctx_index(map->direct_ptimer) : -1;
 282                 __entry->emul_ptimer =
 283                         (map->emul_ptimer) ? arch_timer_ctx_index(map->emul_ptimer) : -1;
 284         ),
 285
 286         TP_printk("VCPU: %ld, dv: %d, dp: %d, ep: %d",
 287                   __entry->vcpu_id,
 288                   __entry->direct_vtimer,
 289                   __entry->direct_ptimer,
 290                   __entry->emul_ptimer)
 291 );
 292
 293 TRACE_EVENT(kvm_timer_save_state,
 294         TP_PROTO(struct arch_timer_context *ctx),
 295         TP_ARGS(ctx),
 296
 297         TP_STRUCT__entry(
 298                 __field(        unsigned long,          ctl             )
 299                 __field(        unsigned long long,     cval            )
 300                 __field(        int,                    timer_idx       )
 301         ),
 302
 303         TP_fast_assign(
 304                 __entry->ctl                    = timer_get_ctl(ctx);
 305                 __entry->cval                   = timer_get_cval(ctx);
 306                 __entry->timer_idx              = arch_timer_ctx_index(ctx);
 307         ),
 308
 309         TP_printk("   CTL: %#08lx CVAL: %#16llx arch_timer_ctx_index: %d",
 310                   __entry->ctl,
 311                   __entry->cval,
 312                   __entry->timer_idx)
 313 );
 314
 315 TRACE_EVENT(kvm_timer_restore_state,
 316         TP_PROTO(struct arch_timer_context *ctx),
 317         TP_ARGS(ctx),
 318
 319         TP_STRUCT__entry(
 320                 __field(        unsigned long,          ctl             )
 321                 __field(        unsigned long long,     cval            )
 322                 __field(        int,                    timer_idx       )
 323         ),
 324
 325         TP_fast_assign(
 326                 __entry->ctl                    = timer_get_ctl(ctx);
 327                 __entry->cval                   = timer_get_cval(ctx);
 328                 __entry->timer_idx              = arch_timer_ctx_index(ctx);
 329         ),
 330
 331         TP_printk("CTL: %#08lx CVAL: %#16llx arch_timer_ctx_index: %d",
 332                   __entry->ctl,
 333                   __entry->cval,
 334                   __entry->timer_idx)
 335 );
 336
 337 TRACE_EVENT(kvm_timer_hrtimer_expire,
 338         TP_PROTO(struct arch_timer_context *ctx),
 339         TP_ARGS(ctx),
 340
 341         TP_STRUCT__entry(
 342                 __field(        int,                    timer_idx       )
 343         ),
 344
 345         TP_fast_assign(
 346                 __entry->timer_idx              = arch_timer_ctx_index(ctx);
 347         ),
 348
 349         TP_printk("arch_timer_ctx_index: %d", __entry->timer_idx)
 350 );
 351
 352 TRACE_EVENT(kvm_timer_emulate,
 353         TP_PROTO(struct arch_timer_context *ctx, bool should_fire),
 354         TP_ARGS(ctx, should_fire),
 355
 356         TP_STRUCT__entry(
 357                 __field(        int,                    timer_idx       )
 358                 __field(        bool,                   should_fire     )
 359         ),
 360
 361         TP_fast_assign(
 362                 __entry->timer_idx              = arch_timer_ctx_index(ctx);
 363                 __entry->should_fire            = should_fire;
 364         ),
 365
 366         TP_printk("arch_timer_ctx_index: %d (should_fire: %d)",
 367                   __entry->timer_idx, __entry->should_fire)
 368 );
 369
 370 #endif /* _TRACE_ARM_ARM64_KVM_H */
 371
 372 #undef TRACE_INCLUDE_PATH
 373 #define TRACE_INCLUDE_PATH .
 374 #undef TRACE_INCLUDE_FILE
 375 #define TRACE_INCLUDE_FILE trace_arm
 376
 377 /* This part must be outside protection */
 378 #include <trace/define_trace.h>