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 #define TRACE_INCLUDE_PATH arch/x86/kvm
   9 #define TRACE_INCLUDE_FILE trace
  10
  11 /*
  12  * Tracepoint for guest mode entry.
  13  */
  14 TRACE_EVENT(kvm_entry,
  15         TP_PROTO(unsigned int vcpu_id),
  16         TP_ARGS(vcpu_id),
  17
  18         TP_STRUCT__entry(
  19                 __field(        unsigned int,   vcpu_id         )
  20         ),
  21
  22         TP_fast_assign(
  23                 __entry->vcpu_id        = vcpu_id;
  24         ),
  25
  26         TP_printk("vcpu %u", __entry->vcpu_id)
  27 );
  28
  29 /*
  30  * Tracepoint for hypercall.
  31  */
  32 TRACE_EVENT(kvm_hypercall,
  33         TP_PROTO(unsigned long nr, unsigned long a0, unsigned long a1,
  34                  unsigned long a2, unsigned long a3),
  35         TP_ARGS(nr, a0, a1, a2, a3),
  36
  37         TP_STRUCT__entry(
  38                 __field(        unsigned long,  nr              )
  39                 __field(        unsigned long,  a0              )
  40                 __field(        unsigned long,  a1              )
  41                 __field(        unsigned long,  a2              )
  42                 __field(        unsigned long,  a3              )
  43         ),
  44
  45         TP_fast_assign(
  46                 __entry->nr             = nr;
  47                 __entry->a0             = a0;
  48                 __entry->a1             = a1;
  49                 __entry->a2             = a2;
  50                 __entry->a3             = a3;
  51         ),
  52
  53         TP_printk("nr 0x%lx a0 0x%lx a1 0x%lx a2 0x%lx a3 0x%lx",
  54                  __entry->nr, __entry->a0, __entry->a1,  __entry->a2,
  55                  __entry->a3)
  56 );
  57
  58 /*
  59  * Tracepoint for PIO.
  60  */
  61 TRACE_EVENT(kvm_pio,
  62         TP_PROTO(unsigned int rw, unsigned int port, unsigned int size,
  63                  unsigned int count),
  64         TP_ARGS(rw, port, size, count),
  65
  66         TP_STRUCT__entry(
  67                 __field(        unsigned int,   rw              )
  68                 __field(        unsigned int,   port            )
  69                 __field(        unsigned int,   size            )
  70                 __field(        unsigned int,   count           )
  71         ),
  72
  73         TP_fast_assign(
  74                 __entry->rw             = rw;
  75                 __entry->port           = port;
  76                 __entry->size           = size;
  77                 __entry->count          = count;
  78         ),
  79
  80         TP_printk("pio_%s at 0x%x size %d count %d",
  81                   __entry->rw ? "write" : "read",
  82                   __entry->port, __entry->size, __entry->count)
  83 );
  84
  85 /*
  86  * Tracepoint for cpuid.
  87  */
  88 TRACE_EVENT(kvm_cpuid,
  89         TP_PROTO(unsigned int function, unsigned long rax, unsigned long rbx,
  90                  unsigned long rcx, unsigned long rdx),
  91         TP_ARGS(function, rax, rbx, rcx, rdx),
  92
  93         TP_STRUCT__entry(
  94                 __field(        unsigned int,   function        )
  95                 __field(        unsigned long,  rax             )
  96                 __field(        unsigned long,  rbx             )
  97                 __field(        unsigned long,  rcx             )
  98                 __field(        unsigned long,  rdx             )
  99         ),
 100
 101         TP_fast_assign(
 102                 __entry->function       = function;
 103                 __entry->rax            = rax;
 104                 __entry->rbx            = rbx;
 105                 __entry->rcx            = rcx;
 106                 __entry->rdx            = rdx;
 107         ),
 108
 109         TP_printk("func %x rax %lx rbx %lx rcx %lx rdx %lx",
 110                   __entry->function, __entry->rax,
 111                   __entry->rbx, __entry->rcx, __entry->rdx)
 112 );
 113
 114 #define AREG(x) { APIC_##x, "APIC_" #x }
 115
 116 #define kvm_trace_symbol_apic                                               \
 117         AREG(ID), AREG(LVR), AREG(TASKPRI), AREG(ARBPRI), AREG(PROCPRI),    \
 118         AREG(EOI), AREG(RRR), AREG(LDR), AREG(DFR), AREG(SPIV), AREG(ISR),  \
 119         AREG(TMR), AREG(IRR), AREG(ESR), AREG(ICR), AREG(ICR2), AREG(LVTT), \
 120         AREG(LVTTHMR), AREG(LVTPC), AREG(LVT0), AREG(LVT1), AREG(LVTERR),   \
 121         AREG(TMICT), AREG(TMCCT), AREG(TDCR), AREG(SELF_IPI), AREG(EFEAT),  \
 122         AREG(ECTRL)
 123 /*
 124  * Tracepoint for apic access.
 125  */
 126 TRACE_EVENT(kvm_apic,
 127         TP_PROTO(unsigned int rw, unsigned int reg, unsigned int val),
 128         TP_ARGS(rw, reg, val),
 129
 130         TP_STRUCT__entry(
 131                 __field(        unsigned int,   rw              )
 132                 __field(        unsigned int,   reg             )
 133                 __field(        unsigned int,   val             )
 134         ),
 135
 136         TP_fast_assign(
 137                 __entry->rw             = rw;
 138                 __entry->reg            = reg;
 139                 __entry->val            = val;
 140         ),
 141
 142         TP_printk("apic_%s %s = 0x%x",
 143                   __entry->rw ? "write" : "read",
 144                   __print_symbolic(__entry->reg, kvm_trace_symbol_apic),
 145                   __entry->val)
 146 );
 147
 148 #define trace_kvm_apic_read(reg, val)           trace_kvm_apic(0, reg, val)
 149 #define trace_kvm_apic_write(reg, val)          trace_kvm_apic(1, reg, val)
 150
 151 /*
 152  * Tracepoint for kvm guest exit:
 153  */
 154 TRACE_EVENT(kvm_exit,
 155         TP_PROTO(unsigned int exit_reason, unsigned long guest_rip),
 156         TP_ARGS(exit_reason, guest_rip),
 157
 158         TP_STRUCT__entry(
 159                 __field(        unsigned int,   exit_reason     )
 160                 __field(        unsigned long,  guest_rip       )
 161         ),
 162
 163         TP_fast_assign(
 164                 __entry->exit_reason    = exit_reason;
 165                 __entry->guest_rip      = guest_rip;
 166         ),
 167
 168         TP_printk("reason %s rip 0x%lx",
 169                  ftrace_print_symbols_seq(p, __entry->exit_reason,
 170                                           kvm_x86_ops->exit_reasons_str),
 171                  __entry->guest_rip)
 172 );
 173
 174 /*
 175  * Tracepoint for kvm interrupt injection:
 176  */
 177 TRACE_EVENT(kvm_inj_virq,
 178         TP_PROTO(unsigned int irq),
 179         TP_ARGS(irq),
 180
 181         TP_STRUCT__entry(
 182                 __field(        unsigned int,   irq             )
 183         ),
 184
 185         TP_fast_assign(
 186                 __entry->irq            = irq;
 187         ),
 188
 189         TP_printk("irq %u", __entry->irq)
 190 );
 191
 192 /*
 193  * Tracepoint for page fault.
 194  */
 195 TRACE_EVENT(kvm_page_fault,
 196         TP_PROTO(unsigned long fault_address, unsigned int error_code),
 197         TP_ARGS(fault_address, error_code),
 198
 199         TP_STRUCT__entry(
 200                 __field(        unsigned long,  fault_address   )
 201                 __field(        unsigned int,   error_code      )
 202         ),
 203
 204         TP_fast_assign(
 205                 __entry->fault_address  = fault_address;
 206                 __entry->error_code     = error_code;
 207         ),
 208
 209         TP_printk("address %lx error_code %x",
 210                   __entry->fault_address, __entry->error_code)
 211 );
 212
 213 /*
 214  * Tracepoint for guest MSR access.
 215  */
 216 TRACE_EVENT(kvm_msr,
 217         TP_PROTO(unsigned int rw, unsigned int ecx, unsigned long data),
 218         TP_ARGS(rw, ecx, data),
 219
 220         TP_STRUCT__entry(
 221                 __field(        unsigned int,   rw              )
 222                 __field(        unsigned int,   ecx             )
 223                 __field(        unsigned long,  data            )
 224         ),
 225
 226         TP_fast_assign(
 227                 __entry->rw             = rw;
 228                 __entry->ecx            = ecx;
 229                 __entry->data           = data;
 230         ),
 231
 232         TP_printk("msr_%s %x = 0x%lx",
 233                   __entry->rw ? "write" : "read",
 234                   __entry->ecx, __entry->data)
 235 );
 236
 237 #define trace_kvm_msr_read(ecx, data)           trace_kvm_msr(0, ecx, data)
 238 #define trace_kvm_msr_write(ecx, data)          trace_kvm_msr(1, ecx, data)
 239
 240 /*
 241  * Tracepoint for guest CR access.
 242  */
 243 TRACE_EVENT(kvm_cr,
 244         TP_PROTO(unsigned int rw, unsigned int cr, unsigned long val),
 245         TP_ARGS(rw, cr, val),
 246
 247         TP_STRUCT__entry(
 248                 __field(        unsigned int,   rw              )
 249                 __field(        unsigned int,   cr              )
 250                 __field(        unsigned long,  val             )
 251         ),
 252
 253         TP_fast_assign(
 254                 __entry->rw             = rw;
 255                 __entry->cr             = cr;
 256                 __entry->val            = val;
 257         ),
 258
 259         TP_printk("cr_%s %x = 0x%lx",
 260                   __entry->rw ? "write" : "read",
 261                   __entry->cr, __entry->val)
 262 );
 263
 264 #define trace_kvm_cr_read(cr, val)              trace_kvm_cr(0, cr, val)
 265 #define trace_kvm_cr_write(cr, val)             trace_kvm_cr(1, cr, val)
 266
 267 TRACE_EVENT(kvm_pic_set_irq,
 268             TP_PROTO(__u8 chip, __u8 pin, __u8 elcr, __u8 imr, bool coalesced),
 269             TP_ARGS(chip, pin, elcr, imr, coalesced),
 270
 271         TP_STRUCT__entry(
 272                 __field(        __u8,           chip            )
 273                 __field(        __u8,           pin             )
 274                 __field(        __u8,           elcr            )
 275                 __field(        __u8,           imr             )
 276                 __field(        bool,           coalesced       )
 277         ),
 278
 279         TP_fast_assign(
 280                 __entry->chip           = chip;
 281                 __entry->pin            = pin;
 282                 __entry->elcr           = elcr;
 283                 __entry->imr            = imr;
 284                 __entry->coalesced      = coalesced;
 285         ),
 286
 287         TP_printk("chip %u pin %u (%s%s)%s",
 288                   __entry->chip, __entry->pin,
 289                   (__entry->elcr & (1 << __entry->pin)) ? "level":"edge",
 290                   (__entry->imr & (1 << __entry->pin)) ? "|masked":"",
 291                   __entry->coalesced ? " (coalesced)" : "")
 292 );
 293
 294 #define kvm_apic_dst_shorthand          \
 295         {0x0, "dst"},                   \
 296         {0x1, "self"},                  \
 297         {0x2, "all"},                   \
 298         {0x3, "all-but-self"}
 299
 300 TRACE_EVENT(kvm_apic_ipi,
 301             TP_PROTO(__u32 icr_low, __u32 dest_id),
 302             TP_ARGS(icr_low, dest_id),
 303
 304         TP_STRUCT__entry(
 305                 __field(        __u32,          icr_low         )
 306                 __field(        __u32,          dest_id         )
 307         ),
 308
 309         TP_fast_assign(
 310                 __entry->icr_low        = icr_low;
 311                 __entry->dest_id        = dest_id;
 312         ),
 313
 314         TP_printk("dst %x vec %u (%s|%s|%s|%s|%s)",
 315                   __entry->dest_id, (u8)__entry->icr_low,
 316                   __print_symbolic((__entry->icr_low >> 8 & 0x7),
 317                                    kvm_deliver_mode),
 318                   (__entry->icr_low & (1<<11)) ? "logical" : "physical",
 319                   (__entry->icr_low & (1<<14)) ? "assert" : "de-assert",
 320                   (__entry->icr_low & (1<<15)) ? "level" : "edge",
 321                   __print_symbolic((__entry->icr_low >> 18 & 0x3),
 322                                    kvm_apic_dst_shorthand))
 323 );
 324
 325 TRACE_EVENT(kvm_apic_accept_irq,
 326             TP_PROTO(__u32 apicid, __u16 dm, __u8 tm, __u8 vec, bool coalesced),
 327             TP_ARGS(apicid, dm, tm, vec, coalesced),
 328
 329         TP_STRUCT__entry(
 330                 __field(        __u32,          apicid          )
 331                 __field(        __u16,          dm              )
 332                 __field(        __u8,           tm              )
 333                 __field(        __u8,           vec             )
 334                 __field(        bool,           coalesced       )
 335         ),
 336
 337         TP_fast_assign(
 338                 __entry->apicid         = apicid;
 339                 __entry->dm             = dm;
 340                 __entry->tm             = tm;
 341                 __entry->vec            = vec;
 342                 __entry->coalesced      = coalesced;
 343         ),
 344
 345         TP_printk("apicid %x vec %u (%s|%s)%s",
 346                   __entry->apicid, __entry->vec,
 347                   __print_symbolic((__entry->dm >> 8 & 0x7), kvm_deliver_mode),
 348                   __entry->tm ? "level" : "edge",
 349                   __entry->coalesced ? " (coalesced)" : "")
 350 );
 351
 352 #endif /* _TRACE_KVM_H */
 353
 354 /* This part must be outside protection */
 355 #include <trace/define_trace.h>