arch/x86/kvm/trace.h

   1 #if !defined(_TRACE_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
   2 #define _TRACE_KVM_H
   3
   4 #include <linux/tracepoint.h>
   5
   6 #undef TRACE_SYSTEM
   7 #define TRACE_SYSTEM kvm
   8
   9 /*
  10  * Tracepoint for guest mode entry.
  11  */
  12 TRACE_EVENT(kvm_entry,
  13         TP_PROTO(unsigned int vcpu_id),
  14         TP_ARGS(vcpu_id),
  15
  16         TP_STRUCT__entry(
  17                 __field(        unsigned int,   vcpu_id         )
  18         ),
  19
  20         TP_fast_assign(
  21                 __entry->vcpu_id        = vcpu_id;
  22         ),
  23
  24         TP_printk("vcpu %u", __entry->vcpu_id)
  25 );
  26
  27 /*
  28  * Tracepoint for hypercall.
  29  */
  30 TRACE_EVENT(kvm_hypercall,
  31         TP_PROTO(unsigned long nr, unsigned long a0, unsigned long a1,
  32                  unsigned long a2, unsigned long a3),
  33         TP_ARGS(nr, a0, a1, a2, a3),
  34
  35         TP_STRUCT__entry(
  36                 __field(        unsigned long,  nr              )
  37                 __field(        unsigned long,  a0              )
  38                 __field(        unsigned long,  a1              )
  39                 __field(        unsigned long,  a2              )
  40                 __field(        unsigned long,  a3              )
  41         ),
  42
  43         TP_fast_assign(
  44                 __entry->nr             = nr;
  45                 __entry->a0             = a0;
  46                 __entry->a1             = a1;
  47                 __entry->a2             = a2;
  48                 __entry->a3             = a3;
  49         ),
  50
  51         TP_printk("nr 0x%lx a0 0x%lx a1 0x%lx a2 0x%lx a3 0x%lx",
  52                  __entry->nr, __entry->a0, __entry->a1,  __entry->a2,
  53                  __entry->a3)
  54 );
  55
  56 /*
  57  * Tracepoint for hypercall.
  58  */
  59 TRACE_EVENT(kvm_hv_hypercall,
  60         TP_PROTO(__u16 code, bool fast, __u16 rep_cnt, __u16 rep_idx,
  61                  __u64 ingpa, __u64 outgpa),
  62         TP_ARGS(code, fast, rep_cnt, rep_idx, ingpa, outgpa),
  63
  64         TP_STRUCT__entry(
  65                 __field(        __u16,          code            )
  66                 __field(        bool,           fast            )
  67                 __field(        __u16,          rep_cnt         )
  68                 __field(        __u16,          rep_idx         )
  69                 __field(        __u64,          ingpa           )
  70                 __field(        __u64,          outgpa          )
  71         ),
  72
  73         TP_fast_assign(
  74                 __entry->code           = code;
  75                 __entry->fast           = fast;
  76                 __entry->rep_cnt        = rep_cnt;
  77                 __entry->rep_idx        = rep_idx;
  78                 __entry->ingpa          = ingpa;
  79                 __entry->outgpa         = outgpa;
  80         ),
  81
  82         TP_printk("code 0x%x %s cnt 0x%x idx 0x%x in 0x%llx out 0x%llx",
  83                   __entry->code, __entry->fast ? "fast" : "slow",
  84                   __entry->rep_cnt, __entry->rep_idx,  __entry->ingpa,
  85                   __entry->outgpa)
  86 );
  87
  88 /*
  89  * Tracepoint for PIO.
  90  */
  91 TRACE_EVENT(kvm_pio,
  92         TP_PROTO(unsigned int rw, unsigned int port, unsigned int size,
  93                  unsigned int count),
  94         TP_ARGS(rw, port, size, count),
  95
  96         TP_STRUCT__entry(
  97                 __field(        unsigned int,   rw              )
  98                 __field(        unsigned int,   port            )
  99                 __field(        unsigned int,   size            )
 100                 __field(        unsigned int,   count           )
 101         ),
 102
 103         TP_fast_assign(
 104                 __entry->rw             = rw;
 105                 __entry->port           = port;
 106                 __entry->size           = size;
 107                 __entry->count          = count;
 108         ),
 109
 110         TP_printk("pio_%s at 0x%x size %d count %d",
 111                   __entry->rw ? "write" : "read",
 112                   __entry->port, __entry->size, __entry->count)
 113 );
 114
 115 /*
 116  * Tracepoint for cpuid.
 117  */
 118 TRACE_EVENT(kvm_cpuid,
 119         TP_PROTO(unsigned int function, unsigned long rax, unsigned long rbx,
 120                  unsigned long rcx, unsigned long rdx),
 121         TP_ARGS(function, rax, rbx, rcx, rdx),
 122
 123         TP_STRUCT__entry(
 124                 __field(        unsigned int,   function        )
 125                 __field(        unsigned long,  rax             )
 126                 __field(        unsigned long,  rbx             )
 127                 __field(        unsigned long,  rcx             )
 128                 __field(        unsigned long,  rdx             )
 129         ),
 130
 131         TP_fast_assign(
 132                 __entry->function       = function;
 133                 __entry->rax            = rax;
 134                 __entry->rbx            = rbx;
 135                 __entry->rcx            = rcx;
 136                 __entry->rdx            = rdx;
 137         ),
 138
 139         TP_printk("func %x rax %lx rbx %lx rcx %lx rdx %lx",
 140                   __entry->function, __entry->rax,
 141                   __entry->rbx, __entry->rcx, __entry->rdx)
 142 );
 143
 144 #define AREG(x) { APIC_##x, "APIC_" #x }
 145
 146 #define kvm_trace_symbol_apic                                               \
 147         AREG(ID), AREG(LVR), AREG(TASKPRI), AREG(ARBPRI), AREG(PROCPRI),    \
 148         AREG(EOI), AREG(RRR), AREG(LDR), AREG(DFR), AREG(SPIV), AREG(ISR),  \
 149         AREG(TMR), AREG(IRR), AREG(ESR), AREG(ICR), AREG(ICR2), AREG(LVTT), \
 150         AREG(LVTTHMR), AREG(LVTPC), AREG(LVT0), AREG(LVT1), AREG(LVTERR),   \
 151         AREG(TMICT), AREG(TMCCT), AREG(TDCR), AREG(SELF_IPI), AREG(EFEAT),  \
 152         AREG(ECTRL)
 153 /*
 154  * Tracepoint for apic access.
 155  */
 156 TRACE_EVENT(kvm_apic,
 157         TP_PROTO(unsigned int rw, unsigned int reg, unsigned int val),
 158         TP_ARGS(rw, reg, val),
 159
 160         TP_STRUCT__entry(
 161                 __field(        unsigned int,   rw              )
 162                 __field(        unsigned int,   reg             )
 163                 __field(        unsigned int,   val             )
 164         ),
 165
 166         TP_fast_assign(
 167                 __entry->rw             = rw;
 168                 __entry->reg            = reg;
 169                 __entry->val            = val;
 170         ),
 171
 172         TP_printk("apic_%s %s = 0x%x",
 173                   __entry->rw ? "write" : "read",
 174                   __print_symbolic(__entry->reg, kvm_trace_symbol_apic),
 175                   __entry->val)
 176 );
 177
 178 #define trace_kvm_apic_read(reg, val)           trace_kvm_apic(0, reg, val)
 179 #define trace_kvm_apic_write(reg, val)          trace_kvm_apic(1, reg, val)
 180
 181 /*
 182  * Tracepoint for kvm guest exit:
 183  */
 184 TRACE_EVENT(kvm_exit,
 185         TP_PROTO(unsigned int exit_reason, struct kvm_vcpu *vcpu),
 186         TP_ARGS(exit_reason, vcpu),
 187
 188         TP_STRUCT__entry(
 189                 __field(        unsigned int,   exit_reason     )
 190                 __field(        unsigned long,  guest_rip       )
 191         ),
 192
 193         TP_fast_assign(
 194                 __entry->exit_reason    = exit_reason;
 195                 __entry->guest_rip      = kvm_rip_read(vcpu);
 196         ),
 197
 198         TP_printk("reason %s rip 0x%lx",
 199                  ftrace_print_symbols_seq(p, __entry->exit_reason,
 200                                           kvm_x86_ops->exit_reasons_str),
 201                  __entry->guest_rip)
 202 );
 203
 204 /*
 205  * Tracepoint for kvm interrupt injection:
 206  */
 207 TRACE_EVENT(kvm_inj_virq,
 208         TP_PROTO(unsigned int irq),
 209         TP_ARGS(irq),
 210
 211         TP_STRUCT__entry(
 212                 __field(        unsigned int,   irq             )
 213         ),
 214
 215         TP_fast_assign(
 216                 __entry->irq            = irq;
 217         ),
 218
 219         TP_printk("irq %u", __entry->irq)
 220 );
 221
 222 #define EXS(x) { x##_VECTOR, "#" #x }
 223
 224 #define kvm_trace_sym_exc                                               \
 225         EXS(DE), EXS(DB), EXS(BP), EXS(OF), EXS(BR), EXS(UD), EXS(NM),  \
 226         EXS(DF), EXS(TS), EXS(NP), EXS(SS), EXS(GP), EXS(PF),           \
 227         EXS(MF), EXS(MC)
 228
 229 /*
 230  * Tracepoint for kvm interrupt injection:
 231  */
 232 TRACE_EVENT(kvm_inj_exception,
 233         TP_PROTO(unsigned exception, bool has_error, unsigned error_code),
 234         TP_ARGS(exception, has_error, error_code),
 235
 236         TP_STRUCT__entry(
 237                 __field(        u8,     exception       )
 238                 __field(        u8,     has_error       )
 239                 __field(        u32,    error_code      )
 240         ),
 241
 242         TP_fast_assign(
 243                 __entry->exception      = exception;
 244                 __entry->has_error      = has_error;
 245                 __entry->error_code     = error_code;
 246         ),
 247
 248         TP_printk("%s (0x%x)",
 249                   __print_symbolic(__entry->exception, kvm_trace_sym_exc),
 250                   /* FIXME: don't print error_code if not present */
 251                   __entry->has_error ? __entry->error_code : 0)
 252 );
 253
 254 /*
 255  * Tracepoint for page fault.
 256  */
 257 TRACE_EVENT(kvm_page_fault,
 258         TP_PROTO(unsigned long fault_address, unsigned int error_code),
 259         TP_ARGS(fault_address, error_code),
 260
 261         TP_STRUCT__entry(
 262                 __field(        unsigned long,  fault_address   )
 263                 __field(        unsigned int,   error_code      )
 264         ),
 265
 266         TP_fast_assign(
 267                 __entry->fault_address  = fault_address;
 268                 __entry->error_code     = error_code;
 269         ),
 270
 271         TP_printk("address %lx error_code %x",
 272                   __entry->fault_address, __entry->error_code)
 273 );
 274
 275 /*
 276  * Tracepoint for guest MSR access.
 277  */
 278 TRACE_EVENT(kvm_msr,
 279         TP_PROTO(unsigned write, u32 ecx, u64 data, bool exception),
 280         TP_ARGS(write, ecx, data, exception),
 281
 282         TP_STRUCT__entry(
 283                 __field(        unsigned,       write           )
 284                 __field(        u32,            ecx             )
 285                 __field(        u64,            data            )
 286                 __field(        u8,             exception       )
 287         ),
 288
 289         TP_fast_assign(
 290                 __entry->write          = write;
 291                 __entry->ecx            = ecx;
 292                 __entry->data           = data;
 293                 __entry->exception      = exception;
 294         ),
 295
 296         TP_printk("msr_%s %x = 0x%llx%s",
 297                   __entry->write ? "write" : "read",
 298                   __entry->ecx, __entry->data,
 299                   __entry->exception ? " (#GP)" : "")
 300 );
 301
 302 #define trace_kvm_msr_read(ecx, data)      trace_kvm_msr(0, ecx, data, false)
 303 #define trace_kvm_msr_write(ecx, data)     trace_kvm_msr(1, ecx, data, false)
 304 #define trace_kvm_msr_read_ex(ecx)         trace_kvm_msr(0, ecx, 0, true)
 305 #define trace_kvm_msr_write_ex(ecx, data)  trace_kvm_msr(1, ecx, data, true)
 306
 307 /*
 308  * Tracepoint for guest CR access.
 309  */
 310 TRACE_EVENT(kvm_cr,
 311         TP_PROTO(unsigned int rw, unsigned int cr, unsigned long val),
 312         TP_ARGS(rw, cr, val),
 313
 314         TP_STRUCT__entry(
 315                 __field(        unsigned int,   rw              )
 316                 __field(        unsigned int,   cr              )
 317                 __field(        unsigned long,  val             )
 318         ),
 319
 320         TP_fast_assign(
 321                 __entry->rw             = rw;
 322                 __entry->cr             = cr;
 323                 __entry->val            = val;
 324         ),
 325
 326         TP_printk("cr_%s %x = 0x%lx",
 327                   __entry->rw ? "write" : "read",
 328                   __entry->cr, __entry->val)
 329 );
 330
 331 #define trace_kvm_cr_read(cr, val)              trace_kvm_cr(0, cr, val)
 332 #define trace_kvm_cr_write(cr, val)             trace_kvm_cr(1, cr, val)
 333
 334 TRACE_EVENT(kvm_pic_set_irq,
 335             TP_PROTO(__u8 chip, __u8 pin, __u8 elcr, __u8 imr, bool coalesced),
 336             TP_ARGS(chip, pin, elcr, imr, coalesced),
 337
 338         TP_STRUCT__entry(
 339                 __field(        __u8,           chip            )
 340                 __field(        __u8,           pin             )
 341                 __field(        __u8,           elcr            )
 342                 __field(        __u8,           imr             )
 343                 __field(        bool,           coalesced       )
 344         ),
 345
 346         TP_fast_assign(
 347                 __entry->chip           = chip;
 348                 __entry->pin            = pin;
 349                 __entry->elcr           = elcr;
 350                 __entry->imr            = imr;
 351                 __entry->coalesced      = coalesced;
 352         ),
 353
 354         TP_printk("chip %u pin %u (%s%s)%s",
 355                   __entry->chip, __entry->pin,
 356                   (__entry->elcr & (1 << __entry->pin)) ? "level":"edge",
 357                   (__entry->imr & (1 << __entry->pin)) ? "|masked":"",
 358                   __entry->coalesced ? " (coalesced)" : "")
 359 );
 360
 361 #define kvm_apic_dst_shorthand          \
 362         {0x0, "dst"},                   \
 363         {0x1, "self"},                  \
 364         {0x2, "all"},                   \
 365         {0x3, "all-but-self"}
 366
 367 TRACE_EVENT(kvm_apic_ipi,
 368             TP_PROTO(__u32 icr_low, __u32 dest_id),
 369             TP_ARGS(icr_low, dest_id),
 370
 371         TP_STRUCT__entry(
 372                 __field(        __u32,          icr_low         )
 373                 __field(        __u32,          dest_id         )
 374         ),
 375
 376         TP_fast_assign(
 377                 __entry->icr_low        = icr_low;
 378                 __entry->dest_id        = dest_id;
 379         ),
 380
 381         TP_printk("dst %x vec %u (%s|%s|%s|%s|%s)",
 382                   __entry->dest_id, (u8)__entry->icr_low,
 383                   __print_symbolic((__entry->icr_low >> 8 & 0x7),
 384                                    kvm_deliver_mode),
 385                   (__entry->icr_low & (1<<11)) ? "logical" : "physical",
 386                   (__entry->icr_low & (1<<14)) ? "assert" : "de-assert",
 387                   (__entry->icr_low & (1<<15)) ? "level" : "edge",
 388                   __print_symbolic((__entry->icr_low >> 18 & 0x3),
 389                                    kvm_apic_dst_shorthand))
 390 );
 391
 392 TRACE_EVENT(kvm_apic_accept_irq,
 393             TP_PROTO(__u32 apicid, __u16 dm, __u8 tm, __u8 vec, bool coalesced),
 394             TP_ARGS(apicid, dm, tm, vec, coalesced),
 395
 396         TP_STRUCT__entry(
 397                 __field(        __u32,          apicid          )
 398                 __field(        __u16,          dm              )
 399                 __field(        __u8,           tm              )
 400                 __field(        __u8,           vec             )
 401                 __field(        bool,           coalesced       )
 402         ),
 403
 404         TP_fast_assign(
 405                 __entry->apicid         = apicid;
 406                 __entry->dm             = dm;
 407                 __entry->tm             = tm;
 408                 __entry->vec            = vec;
 409                 __entry->coalesced      = coalesced;
 410         ),
 411
 412         TP_printk("apicid %x vec %u (%s|%s)%s",
 413                   __entry->apicid, __entry->vec,
 414                   __print_symbolic((__entry->dm >> 8 & 0x7), kvm_deliver_mode),
 415                   __entry->tm ? "level" : "edge",
 416                   __entry->coalesced ? " (coalesced)" : "")
 417 );
 418
 419 /*
 420  * Tracepoint for nested VMRUN
 421  */
 422 TRACE_EVENT(kvm_nested_vmrun,
 423             TP_PROTO(__u64 rip, __u64 vmcb, __u64 nested_rip, __u32 int_ctl,
 424                      __u32 event_inj, bool npt),
 425             TP_ARGS(rip, vmcb, nested_rip, int_ctl, event_inj, npt),
 426
 427         TP_STRUCT__entry(
 428                 __field(        __u64,          rip             )
 429                 __field(        __u64,          vmcb            )
 430                 __field(        __u64,          nested_rip      )
 431                 __field(        __u32,          int_ctl         )
 432                 __field(        __u32,          event_inj       )
 433                 __field(        bool,           npt             )
 434         ),
 435
 436         TP_fast_assign(
 437                 __entry->rip            = rip;
 438                 __entry->vmcb           = vmcb;
 439                 __entry->nested_rip     = nested_rip;
 440                 __entry->int_ctl        = int_ctl;
 441                 __entry->event_inj      = event_inj;
 442                 __entry->npt            = npt;
 443         ),
 444
 445         TP_printk("rip: 0x%016llx vmcb: 0x%016llx nrip: 0x%016llx int_ctl: 0x%08x "
 446                   "event_inj: 0x%08x npt: %s",
 447                 __entry->rip, __entry->vmcb, __entry->nested_rip,
 448                 __entry->int_ctl, __entry->event_inj,
 449                 __entry->npt ? "on" : "off")
 450 );
 451
 452 TRACE_EVENT(kvm_nested_intercepts,
 453             TP_PROTO(__u16 cr_read, __u16 cr_write, __u32 exceptions, __u64 intercept),
 454             TP_ARGS(cr_read, cr_write, exceptions, intercept),
 455
 456         TP_STRUCT__entry(
 457                 __field(        __u16,          cr_read         )
 458                 __field(        __u16,          cr_write        )
 459                 __field(        __u32,          exceptions      )
 460                 __field(        __u64,          intercept       )
 461         ),
 462
 463         TP_fast_assign(
 464                 __entry->cr_read        = cr_read;
 465                 __entry->cr_write       = cr_write;
 466                 __entry->exceptions     = exceptions;
 467                 __entry->intercept      = intercept;
 468         ),
 469
 470         TP_printk("cr_read: %04x cr_write: %04x excp: %08x intercept: %016llx",
 471                 __entry->cr_read, __entry->cr_write, __entry->exceptions,
 472                 __entry->intercept)
 473 );
 474 /*
 475  * Tracepoint for #VMEXIT while nested
 476  */
 477 TRACE_EVENT(kvm_nested_vmexit,
 478             TP_PROTO(__u64 rip, __u32 exit_code,
 479                      __u64 exit_info1, __u64 exit_info2,
 480                      __u32 exit_int_info, __u32 exit_int_info_err),
 481             TP_ARGS(rip, exit_code, exit_info1, exit_info2,
 482                     exit_int_info, exit_int_info_err),
 483
 484         TP_STRUCT__entry(
 485                 __field(        __u64,          rip                     )
 486                 __field(        __u32,          exit_code               )
 487                 __field(        __u64,          exit_info1              )
 488                 __field(        __u64,          exit_info2              )
 489                 __field(        __u32,          exit_int_info           )
 490                 __field(        __u32,          exit_int_info_err       )
 491         ),
 492
 493         TP_fast_assign(
 494                 __entry->rip                    = rip;
 495                 __entry->exit_code              = exit_code;
 496                 __entry->exit_info1             = exit_info1;
 497                 __entry->exit_info2             = exit_info2;
 498                 __entry->exit_int_info          = exit_int_info;
 499                 __entry->exit_int_info_err      = exit_int_info_err;
 500         ),
 501         TP_printk("rip: 0x%016llx reason: %s ext_inf1: 0x%016llx "
 502                   "ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x",
 503                   __entry->rip,
 504                   ftrace_print_symbols_seq(p, __entry->exit_code,
 505                                            kvm_x86_ops->exit_reasons_str),
 506                   __entry->exit_info1, __entry->exit_info2,
 507                   __entry->exit_int_info, __entry->exit_int_info_err)
 508 );
 509
 510 /*
 511  * Tracepoint for #VMEXIT reinjected to the guest
 512  */
 513 TRACE_EVENT(kvm_nested_vmexit_inject,
 514             TP_PROTO(__u32 exit_code,
 515                      __u64 exit_info1, __u64 exit_info2,
 516                      __u32 exit_int_info, __u32 exit_int_info_err),
 517             TP_ARGS(exit_code, exit_info1, exit_info2,
 518                     exit_int_info, exit_int_info_err),
 519
 520         TP_STRUCT__entry(
 521                 __field(        __u32,          exit_code               )
 522                 __field(        __u64,          exit_info1              )
 523                 __field(        __u64,          exit_info2              )
 524                 __field(        __u32,          exit_int_info           )
 525                 __field(        __u32,          exit_int_info_err       )
 526         ),
 527
 528         TP_fast_assign(
 529                 __entry->exit_code              = exit_code;
 530                 __entry->exit_info1             = exit_info1;
 531                 __entry->exit_info2             = exit_info2;
 532                 __entry->exit_int_info          = exit_int_info;
 533                 __entry->exit_int_info_err      = exit_int_info_err;
 534         ),
 535
 536         TP_printk("reason: %s ext_inf1: 0x%016llx "
 537                   "ext_inf2: 0x%016llx ext_int: 0x%08x ext_int_err: 0x%08x",
 538                   ftrace_print_symbols_seq(p, __entry->exit_code,
 539                                            kvm_x86_ops->exit_reasons_str),
 540                 __entry->exit_info1, __entry->exit_info2,
 541                 __entry->exit_int_info, __entry->exit_int_info_err)
 542 );
 543
 544 /*
 545  * Tracepoint for nested #vmexit because of interrupt pending
 546  */
 547 TRACE_EVENT(kvm_nested_intr_vmexit,
 548             TP_PROTO(__u64 rip),
 549             TP_ARGS(rip),
 550
 551         TP_STRUCT__entry(
 552                 __field(        __u64,  rip     )
 553         ),
 554
 555         TP_fast_assign(
 556                 __entry->rip    =       rip
 557         ),
 558
 559         TP_printk("rip: 0x%016llx", __entry->rip)
 560 );
 561
 562 /*
 563  * Tracepoint for nested #vmexit because of interrupt pending
 564  */
 565 TRACE_EVENT(kvm_invlpga,
 566             TP_PROTO(__u64 rip, int asid, u64 address),
 567             TP_ARGS(rip, asid, address),
 568
 569         TP_STRUCT__entry(
 570                 __field(        __u64,  rip     )
 571                 __field(        int,    asid    )
 572                 __field(        __u64,  address )
 573         ),
 574
 575         TP_fast_assign(
 576                 __entry->rip            =       rip;
 577                 __entry->asid           =       asid;
 578                 __entry->address        =       address;
 579         ),
 580
 581         TP_printk("rip: 0x%016llx asid: %d address: 0x%016llx",
 582                   __entry->rip, __entry->asid, __entry->address)
 583 );
 584
 585 /*
 586  * Tracepoint for nested #vmexit because of interrupt pending
 587  */
 588 TRACE_EVENT(kvm_skinit,
 589             TP_PROTO(__u64 rip, __u32 slb),
 590             TP_ARGS(rip, slb),
 591
 592         TP_STRUCT__entry(
 593                 __field(        __u64,  rip     )
 594                 __field(        __u32,  slb     )
 595         ),
 596
 597         TP_fast_assign(
 598                 __entry->rip            =       rip;
 599                 __entry->slb            =       slb;
 600         ),
 601
 602         TP_printk("rip: 0x%016llx slb: 0x%08x",
 603                   __entry->rip, __entry->slb)
 604 );
 605
 606 #define __print_insn(insn, ilen) ({                              \
 607         int i;                                                   \
 608         const char *ret = p->buffer + p->len;                    \
 609                                                                  \
 610         for (i = 0; i < ilen; ++i)                               \
 611                 trace_seq_printf(p, " %02x", insn[i]);           \
 612         trace_seq_printf(p, "%c", 0);                            \
 613         ret;                                                     \
 614         })
 615
 616 #define KVM_EMUL_INSN_F_CR0_PE (1 << 0)
 617 #define KVM_EMUL_INSN_F_EFL_VM (1 << 1)
 618 #define KVM_EMUL_INSN_F_CS_D   (1 << 2)
 619 #define KVM_EMUL_INSN_F_CS_L   (1 << 3)
 620
 621 #define kvm_trace_symbol_emul_flags                       \
 622         { 0,                        "real" },             \
 623         { KVM_EMUL_INSN_F_CR0_PE                          \
 624           | KVM_EMUL_INSN_F_EFL_VM, "vm16" },             \
 625         { KVM_EMUL_INSN_F_CR0_PE,   "prot16" },           \
 626         { KVM_EMUL_INSN_F_CR0_PE                          \
 627           | KVM_EMUL_INSN_F_CS_D,   "prot32" },           \
 628         { KVM_EMUL_INSN_F_CR0_PE                          \
 629           | KVM_EMUL_INSN_F_CS_L,   "prot64" }
 630
 631 #define kei_decode_mode(mode) ({                        \
 632         u8 flags = 0xff;                                \
 633         switch (mode) {                                 \
 634         case X86EMUL_MODE_REAL:                         \
 635                 flags = 0;                              \
 636                 break;                                  \
 637         case X86EMUL_MODE_VM86:                         \
 638                 flags = KVM_EMUL_INSN_F_EFL_VM;         \
 639                 break;                                  \
 640         case X86EMUL_MODE_PROT16:                       \
 641                 flags = KVM_EMUL_INSN_F_CR0_PE;         \
 642                 break;                                  \
 643         case X86EMUL_MODE_PROT32:                       \
 644                 flags = KVM_EMUL_INSN_F_CR0_PE          \
 645                         | KVM_EMUL_INSN_F_CS_D;         \
 646                 break;                                  \
 647         case X86EMUL_MODE_PROT64:                       \
 648                 flags = KVM_EMUL_INSN_F_CR0_PE          \
 649                         | KVM_EMUL_INSN_F_CS_L;         \
 650                 break;                                  \
 651         }                                               \
 652         flags;                                          \
 653         })
 654
 655 TRACE_EVENT(kvm_emulate_insn,
 656         TP_PROTO(struct kvm_vcpu *vcpu, __u8 failed),
 657         TP_ARGS(vcpu, failed),
 658
 659         TP_STRUCT__entry(
 660                 __field(    __u64, rip                       )
 661                 __field(    __u32, csbase                    )
 662                 __field(    __u8,  len                       )
 663                 __array(    __u8,  insn,    15               )
 664                 __field(    __u8,  flags                     )
 665                 __field(    __u8,  failed                    )
 666                 ),
 667
 668         TP_fast_assign(
 669                 __entry->rip = vcpu->arch.emulate_ctxt.decode.fetch.start;
 670                 __entry->csbase = kvm_x86_ops->get_segment_base(vcpu, VCPU_SREG_CS);
 671                 __entry->len = vcpu->arch.emulate_ctxt.decode.eip
 672                                - vcpu->arch.emulate_ctxt.decode.fetch.start;
 673                 memcpy(__entry->insn,
 674                        vcpu->arch.emulate_ctxt.decode.fetch.data,
 675                        15);
 676                 __entry->flags = kei_decode_mode(vcpu->arch.emulate_ctxt.mode);
 677                 __entry->failed = failed;
 678                 ),
 679
 680         TP_printk("%x:%llx:%s (%s)%s",
 681                   __entry->csbase, __entry->rip,
 682                   __print_insn(__entry->insn, __entry->len),
 683                   __print_symbolic(__entry->flags,
 684                                    kvm_trace_symbol_emul_flags),
 685                   __entry->failed ? " failed" : ""
 686                 )
 687         );
 688
 689 #define trace_kvm_emulate_insn_start(vcpu) trace_kvm_emulate_insn(vcpu, 0)
 690 #define trace_kvm_emulate_insn_failed(vcpu) trace_kvm_emulate_insn(vcpu, 1)
 691
 692 #endif /* _TRACE_KVM_H */
 693
 694 #undef TRACE_INCLUDE_PATH
 695 #define TRACE_INCLUDE_PATH arch/x86/kvm
 696 #undef TRACE_INCLUDE_FILE
 697 #define TRACE_INCLUDE_FILE trace
 698
 699 /* This part must be outside protection */
 700 #include <trace/define_trace.h>