instrumentation/events/lttng-module/kvm.h

   1 #if !defined(_TRACE_KVM_MAIN_H) || defined(TRACE_HEADER_MULTI_READ)
   2 #define _TRACE_KVM_MAIN_H
   3
   4 #include <linux/tracepoint.h>
   5 #include <linux/version.h>
   6
   7 #undef TRACE_SYSTEM
   8 #define TRACE_SYSTEM kvm
   9
  10 #define ERSN(x) { KVM_EXIT_##x, "KVM_EXIT_" #x }
  11
  12 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
  13
  14 #define kvm_trace_exit_reason                                           \
  15         ERSN(UNKNOWN), ERSN(EXCEPTION), ERSN(IO), ERSN(HYPERCALL),      \
  16         ERSN(DEBUG), ERSN(HLT), ERSN(MMIO), ERSN(IRQ_WINDOW_OPEN),      \
  17         ERSN(SHUTDOWN), ERSN(FAIL_ENTRY), ERSN(INTR), ERSN(SET_TPR),    \
  18         ERSN(TPR_ACCESS), ERSN(S390_SIEIC), ERSN(S390_RESET), ERSN(DCR),\
  19         ERSN(NMI), ERSN(INTERNAL_ERROR), ERSN(OSI), ERSN(PAPR_HCALL),   \
  20         ERSN(S390_UCONTROL), ERSN(WATCHDOG), ERSN(S390_TSCH)
  21
  22 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
  23
  24 #define kvm_trace_exit_reason                                           \
  25         ERSN(UNKNOWN), ERSN(EXCEPTION), ERSN(IO), ERSN(HYPERCALL),      \
  26         ERSN(DEBUG), ERSN(HLT), ERSN(MMIO), ERSN(IRQ_WINDOW_OPEN),      \
  27         ERSN(SHUTDOWN), ERSN(FAIL_ENTRY), ERSN(INTR), ERSN(SET_TPR),    \
  28         ERSN(TPR_ACCESS), ERSN(S390_SIEIC), ERSN(S390_RESET), ERSN(DCR),\
  29         ERSN(NMI), ERSN(INTERNAL_ERROR), ERSN(OSI), ERSN(PAPR_HCALL),   \
  30         ERSN(S390_UCONTROL)
  31
  32 #else
  33
  34 #define kvm_trace_exit_reason                                           \
  35         ERSN(UNKNOWN), ERSN(EXCEPTION), ERSN(IO), ERSN(HYPERCALL),      \
  36         ERSN(DEBUG), ERSN(HLT), ERSN(MMIO), ERSN(IRQ_WINDOW_OPEN),      \
  37         ERSN(SHUTDOWN), ERSN(FAIL_ENTRY), ERSN(INTR), ERSN(SET_TPR),    \
  38         ERSN(TPR_ACCESS), ERSN(S390_SIEIC), ERSN(S390_RESET), ERSN(DCR),\
  39         ERSN(NMI), ERSN(INTERNAL_ERROR), ERSN(OSI)
  40
  41 #endif
  42
  43 TRACE_EVENT(kvm_userspace_exit,
  44             TP_PROTO(__u32 reason, int errno),
  45             TP_ARGS(reason, errno),
  46
  47         TP_STRUCT__entry(
  48                 __field(        __u32,          reason          )
  49                 __field(        int,            errno           )
  50         ),
  51
  52         TP_fast_assign(
  53                 tp_assign(reason, reason)
  54                 tp_assign(errno, errno)
  55         ),
  56
  57         TP_printk("reason %s (%d)",
  58                   __entry->errno < 0 ?
  59                   (__entry->errno == -EINTR ? "restart" : "error") :
  60                   __print_symbolic(__entry->reason, kvm_trace_exit_reason),
  61                   __entry->errno < 0 ? -__entry->errno : __entry->reason)
  62 )
  63
  64 #if defined(__KVM_HAVE_IOAPIC)
  65 TRACE_EVENT(kvm_set_irq,
  66         TP_PROTO(unsigned int gsi, int level, int irq_source_id),
  67         TP_ARGS(gsi, level, irq_source_id),
  68
  69         TP_STRUCT__entry(
  70                 __field(        unsigned int,   gsi             )
  71                 __field(        int,            level           )
  72                 __field(        int,            irq_source_id   )
  73         ),
  74
  75         TP_fast_assign(
  76                 tp_assign(gsi, gsi)
  77                 tp_assign(level, level)
  78                 tp_assign(irq_source_id, irq_source_id)
  79         ),
  80
  81         TP_printk("gsi %u level %d source %d",
  82                   __entry->gsi, __entry->level, __entry->irq_source_id)
  83 )
  84
  85 #define kvm_deliver_mode                \
  86         {0x0, "Fixed"},                 \
  87         {0x1, "LowPrio"},               \
  88         {0x2, "SMI"},                   \
  89         {0x3, "Res3"},                  \
  90         {0x4, "NMI"},                   \
  91         {0x5, "INIT"},                  \
  92         {0x6, "SIPI"},                  \
  93         {0x7, "ExtINT"}
  94
  95 TRACE_EVENT(kvm_ioapic_set_irq,
  96             TP_PROTO(__u64 e, int pin, bool coalesced),
  97             TP_ARGS(e, pin, coalesced),
  98
  99         TP_STRUCT__entry(
 100                 __field(        __u64,          e               )
 101                 __field(        int,            pin             )
 102                 __field(        bool,           coalesced       )
 103         ),
 104
 105         TP_fast_assign(
 106                 tp_assign(e, e)
 107                 tp_assign(pin, pin)
 108                 tp_assign(coalesced, coalesced)
 109         ),
 110
 111         TP_printk("pin %u dst %x vec=%u (%s|%s|%s%s)%s",
 112                   __entry->pin, (u8)(__entry->e >> 56), (u8)__entry->e,
 113                   __print_symbolic((__entry->e >> 8 & 0x7), kvm_deliver_mode),
 114                   (__entry->e & (1<<11)) ? "logical" : "physical",
 115                   (__entry->e & (1<<15)) ? "level" : "edge",
 116                   (__entry->e & (1<<16)) ? "|masked" : "",
 117                   __entry->coalesced ? " (coalesced)" : "")
 118 )
 119
 120 TRACE_EVENT(kvm_msi_set_irq,
 121             TP_PROTO(__u64 address, __u64 data),
 122             TP_ARGS(address, data),
 123
 124         TP_STRUCT__entry(
 125                 __field(        __u64,          address         )
 126                 __field(        __u64,          data            )
 127         ),
 128
 129         TP_fast_assign(
 130                 tp_assign(address, address)
 131                 tp_assign(data, data)
 132         ),
 133
 134         TP_printk("dst %u vec %x (%s|%s|%s%s)",
 135                   (u8)(__entry->address >> 12), (u8)__entry->data,
 136                   __print_symbolic((__entry->data >> 8 & 0x7), kvm_deliver_mode),
 137                   (__entry->address & (1<<2)) ? "logical" : "physical",
 138                   (__entry->data & (1<<15)) ? "level" : "edge",
 139                   (__entry->address & (1<<3)) ? "|rh" : "")
 140 )
 141
 142 #define kvm_irqchips                                            \
 143         {KVM_IRQCHIP_PIC_MASTER,        "PIC master"},          \
 144         {KVM_IRQCHIP_PIC_SLAVE,         "PIC slave"},           \
 145         {KVM_IRQCHIP_IOAPIC,            "IOAPIC"}
 146
 147 TRACE_EVENT(kvm_ack_irq,
 148         TP_PROTO(unsigned int irqchip, unsigned int pin),
 149         TP_ARGS(irqchip, pin),
 150
 151         TP_STRUCT__entry(
 152                 __field(        unsigned int,   irqchip         )
 153                 __field(        unsigned int,   pin             )
 154         ),
 155
 156         TP_fast_assign(
 157                 tp_assign(irqchip, irqchip)
 158                 tp_assign(pin, pin)
 159         ),
 160
 161         TP_printk("irqchip %s pin %u",
 162                   __print_symbolic(__entry->irqchip, kvm_irqchips),
 163                  __entry->pin)
 164 )
 165
 166
 167
 168 #endif /* defined(__KVM_HAVE_IOAPIC) */
 169
 170 #define KVM_TRACE_MMIO_READ_UNSATISFIED 0
 171 #define KVM_TRACE_MMIO_READ 1
 172 #define KVM_TRACE_MMIO_WRITE 2
 173
 174 #define kvm_trace_symbol_mmio \
 175         { KVM_TRACE_MMIO_READ_UNSATISFIED, "unsatisfied-read" }, \
 176         { KVM_TRACE_MMIO_READ, "read" }, \
 177         { KVM_TRACE_MMIO_WRITE, "write" }
 178
 179 TRACE_EVENT(kvm_mmio,
 180         TP_PROTO(int type, int len, u64 gpa, u64 val),
 181         TP_ARGS(type, len, gpa, val),
 182
 183         TP_STRUCT__entry(
 184                 __field(        u32,    type            )
 185                 __field(        u32,    len             )
 186                 __field(        u64,    gpa             )
 187                 __field(        u64,    val             )
 188         ),
 189
 190         TP_fast_assign(
 191                 tp_assign(type, type)
 192                 tp_assign(len, len)
 193                 tp_assign(gpa, gpa)
 194                 tp_assign(val, val)
 195         ),
 196
 197         TP_printk("mmio %s len %u gpa 0x%llx val 0x%llx",
 198                   __print_symbolic(__entry->type, kvm_trace_symbol_mmio),
 199                   __entry->len, __entry->gpa, __entry->val)
 200 )
 201
 202 #define kvm_fpu_load_symbol     \
 203         {0, "unload"},          \
 204         {1, "load"}
 205
 206 TRACE_EVENT(kvm_fpu,
 207         TP_PROTO(int load),
 208         TP_ARGS(load),
 209
 210         TP_STRUCT__entry(
 211                 __field(        u32,            load            )
 212         ),
 213
 214         TP_fast_assign(
 215                 tp_assign(load, load)
 216         ),
 217
 218         TP_printk("%s", __print_symbolic(__entry->load, kvm_fpu_load_symbol))
 219 )
 220
 221 TRACE_EVENT(kvm_age_page,
 222         TP_PROTO(ulong hva, struct kvm_memory_slot *slot, int ref),
 223         TP_ARGS(hva, slot, ref),
 224
 225         TP_STRUCT__entry(
 226                 __field(        u64,    hva             )
 227                 __field(        u64,    gfn             )
 228                 __field(        u8,     referenced      )
 229         ),
 230
 231         TP_fast_assign(
 232                 tp_assign(hva, hva)
 233                 tp_assign(gfn,
 234                   slot->base_gfn + ((hva - slot->userspace_addr) >> PAGE_SHIFT))
 235                 tp_assign(referenced, ref)
 236         ),
 237
 238         TP_printk("hva %llx gfn %llx %s",
 239                   __entry->hva, __entry->gfn,
 240                   __entry->referenced ? "YOUNG" : "OLD")
 241 )
 242
 243 #ifdef CONFIG_KVM_ASYNC_PF
 244 DECLARE_EVENT_CLASS(kvm_async_get_page_class,
 245
 246         TP_PROTO(u64 gva, u64 gfn),
 247
 248         TP_ARGS(gva, gfn),
 249
 250         TP_STRUCT__entry(
 251                 __field(__u64, gva)
 252                 __field(u64, gfn)
 253         ),
 254
 255         TP_fast_assign(
 256                 tp_assign(gva, gva)
 257                 tp_assign(gfn, gfn)
 258         ),
 259
 260         TP_printk("gva = %#llx, gfn = %#llx", __entry->gva, __entry->gfn)
 261 )
 262
 263 DEFINE_EVENT(kvm_async_get_page_class, kvm_try_async_get_page,
 264
 265         TP_PROTO(u64 gva, u64 gfn),
 266
 267         TP_ARGS(gva, gfn)
 268 )
 269
 270 DEFINE_EVENT(kvm_async_get_page_class, kvm_async_pf_doublefault,
 271
 272         TP_PROTO(u64 gva, u64 gfn),
 273
 274         TP_ARGS(gva, gfn)
 275 )
 276
 277 DECLARE_EVENT_CLASS(kvm_async_pf_nopresent_ready,
 278
 279         TP_PROTO(u64 token, u64 gva),
 280
 281         TP_ARGS(token, gva),
 282
 283         TP_STRUCT__entry(
 284                 __field(__u64, token)
 285                 __field(__u64, gva)
 286         ),
 287
 288         TP_fast_assign(
 289                 tp_assign(token, token)
 290                 tp_assign(gva, gva)
 291         ),
 292
 293         TP_printk("token %#llx gva %#llx", __entry->token, __entry->gva)
 294
 295 )
 296
 297 DEFINE_EVENT(kvm_async_pf_nopresent_ready, kvm_async_pf_not_present,
 298
 299         TP_PROTO(u64 token, u64 gva),
 300
 301         TP_ARGS(token, gva)
 302 )
 303
 304 DEFINE_EVENT(kvm_async_pf_nopresent_ready, kvm_async_pf_ready,
 305
 306         TP_PROTO(u64 token, u64 gva),
 307
 308         TP_ARGS(token, gva)
 309 )
 310
 311 TRACE_EVENT(
 312         kvm_async_pf_completed,
 313         TP_PROTO(unsigned long address, struct page *page, u64 gva),
 314         TP_ARGS(address, page, gva),
 315
 316         TP_STRUCT__entry(
 317                 __field(unsigned long, address)
 318                 __field(pfn_t, pfn)
 319                 __field(u64, gva)
 320                 ),
 321
 322         TP_fast_assign(
 323                 tp_assign(address, address)
 324                 tp_assign(pfn, page ? page_to_pfn(page) : 0)
 325                 tp_assign(gva, gva)
 326                 ),
 327
 328         TP_printk("gva %#llx address %#lx pfn %#llx",  __entry->gva,
 329                   __entry->address, __entry->pfn)
 330 )
 331
 332 #endif
 333
 334 #endif /* _TRACE_KVM_MAIN_H */
 335
 336 /* This part must be outside protection */
 337 #include "../../../probes/define_trace.h"