drivers/staging/lttng/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 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
  11
  12 #define ERSN(x) { KVM_EXIT_##x, "KVM_EXIT_" #x }
  13
  14 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,9,0))
  15
  16 #define kvm_trace_exit_reason                                           \
  17         ERSN(UNKNOWN), ERSN(EXCEPTION), ERSN(IO), ERSN(HYPERCALL),      \
  18         ERSN(DEBUG), ERSN(HLT), ERSN(MMIO), ERSN(IRQ_WINDOW_OPEN),      \
  19         ERSN(SHUTDOWN), ERSN(FAIL_ENTRY), ERSN(INTR), ERSN(SET_TPR),    \
  20         ERSN(TPR_ACCESS), ERSN(S390_SIEIC), ERSN(S390_RESET), ERSN(DCR),\
  21         ERSN(NMI), ERSN(INTERNAL_ERROR), ERSN(OSI), ERSN(PAPR_HCALL),   \
  22         ERSN(S390_UCONTROL), ERSN(WATCHDOG), ERSN(S390_TSCH)
  23
  24 #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0))
  25
  26 #define kvm_trace_exit_reason                                           \
  27         ERSN(UNKNOWN), ERSN(EXCEPTION), ERSN(IO), ERSN(HYPERCALL),      \
  28         ERSN(DEBUG), ERSN(HLT), ERSN(MMIO), ERSN(IRQ_WINDOW_OPEN),      \
  29         ERSN(SHUTDOWN), ERSN(FAIL_ENTRY), ERSN(INTR), ERSN(SET_TPR),    \
  30         ERSN(TPR_ACCESS), ERSN(S390_SIEIC), ERSN(S390_RESET), ERSN(DCR),\
  31         ERSN(NMI), ERSN(INTERNAL_ERROR), ERSN(OSI), ERSN(PAPR_HCALL),   \
  32         ERSN(S390_UCONTROL)
  33
  34 #else
  35
  36 #define kvm_trace_exit_reason                                           \
  37         ERSN(UNKNOWN), ERSN(EXCEPTION), ERSN(IO), ERSN(HYPERCALL),      \
  38         ERSN(DEBUG), ERSN(HLT), ERSN(MMIO), ERSN(IRQ_WINDOW_OPEN),      \
  39         ERSN(SHUTDOWN), ERSN(FAIL_ENTRY), ERSN(INTR), ERSN(SET_TPR),    \
  40         ERSN(TPR_ACCESS), ERSN(S390_SIEIC), ERSN(S390_RESET), ERSN(DCR),\
  41         ERSN(NMI), ERSN(INTERNAL_ERROR), ERSN(OSI)
  42
  43 #endif
  44
  45 TRACE_EVENT(kvm_userspace_exit,
  46             TP_PROTO(__u32 reason, int errno),
  47             TP_ARGS(reason, errno),
  48
  49         TP_STRUCT__entry(
  50                 __field(        __u32,          reason          )
  51                 __field(        int,            errno           )
  52         ),
  53
  54         TP_fast_assign(
  55                 tp_assign(reason, reason)
  56                 tp_assign(errno, errno)
  57         ),
  58
  59         TP_printk("reason %s (%d)",
  60                   __entry->errno < 0 ?
  61                   (__entry->errno == -EINTR ? "restart" : "error") :
  62                   __print_symbolic(__entry->reason, kvm_trace_exit_reason),
  63                   __entry->errno < 0 ? -__entry->errno : __entry->reason)
  64 )
  65 #endif
  66
  67 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0))
  68 #if defined(__KVM_HAVE_IOAPIC)
  69 #undef __KVM_HAVE_IRQ_LINE
  70 #define __KVM_HAVE_IRQ_LINE
  71 #endif
  72 #endif
  73
  74 #if defined(__KVM_HAVE_IRQ_LINE)
  75 TRACE_EVENT(kvm_set_irq,
  76         TP_PROTO(unsigned int gsi, int level, int irq_source_id),
  77         TP_ARGS(gsi, level, irq_source_id),
  78
  79         TP_STRUCT__entry(
  80                 __field(        unsigned int,   gsi             )
  81                 __field(        int,            level           )
  82                 __field(        int,            irq_source_id   )
  83         ),
  84
  85         TP_fast_assign(
  86                 tp_assign(gsi, gsi)
  87                 tp_assign(level, level)
  88                 tp_assign(irq_source_id, irq_source_id)
  89         ),
  90
  91         TP_printk("gsi %u level %d source %d",
  92                   __entry->gsi, __entry->level, __entry->irq_source_id)
  93 )
  94 #endif
  95
  96 #if defined(__KVM_HAVE_IOAPIC)
  97 #define kvm_deliver_mode                \
  98         {0x0, "Fixed"},                 \
  99         {0x1, "LowPrio"},               \
 100         {0x2, "SMI"},                   \
 101         {0x3, "Res3"},                  \
 102         {0x4, "NMI"},                   \
 103         {0x5, "INIT"},                  \
 104         {0x6, "SIPI"},                  \
 105         {0x7, "ExtINT"}
 106
 107 TRACE_EVENT(kvm_ioapic_set_irq,
 108             TP_PROTO(__u64 e, int pin, bool coalesced),
 109             TP_ARGS(e, pin, coalesced),
 110
 111         TP_STRUCT__entry(
 112                 __field(        __u64,          e               )
 113                 __field(        int,            pin             )
 114                 __field(        bool,           coalesced       )
 115         ),
 116
 117         TP_fast_assign(
 118                 tp_assign(e, e)
 119                 tp_assign(pin, pin)
 120                 tp_assign(coalesced, coalesced)
 121         ),
 122
 123         TP_printk("pin %u dst %x vec=%u (%s|%s|%s%s)%s",
 124                   __entry->pin, (u8)(__entry->e >> 56), (u8)__entry->e,
 125                   __print_symbolic((__entry->e >> 8 & 0x7), kvm_deliver_mode),
 126                   (__entry->e & (1<<11)) ? "logical" : "physical",
 127                   (__entry->e & (1<<15)) ? "level" : "edge",
 128                   (__entry->e & (1<<16)) ? "|masked" : "",
 129                   __entry->coalesced ? " (coalesced)" : "")
 130 )
 131
 132 TRACE_EVENT(kvm_msi_set_irq,
 133             TP_PROTO(__u64 address, __u64 data),
 134             TP_ARGS(address, data),
 135
 136         TP_STRUCT__entry(
 137                 __field(        __u64,          address         )
 138                 __field(        __u64,          data            )
 139         ),
 140
 141         TP_fast_assign(
 142                 tp_assign(address, address)
 143                 tp_assign(data, data)
 144         ),
 145
 146         TP_printk("dst %u vec %x (%s|%s|%s%s)",
 147                   (u8)(__entry->address >> 12), (u8)__entry->data,
 148                   __print_symbolic((__entry->data >> 8 & 0x7), kvm_deliver_mode),
 149                   (__entry->address & (1<<2)) ? "logical" : "physical",
 150                   (__entry->data & (1<<15)) ? "level" : "edge",
 151                   (__entry->address & (1<<3)) ? "|rh" : "")
 152 )
 153
 154 #define kvm_irqchips                                            \
 155         {KVM_IRQCHIP_PIC_MASTER,        "PIC master"},          \
 156         {KVM_IRQCHIP_PIC_SLAVE,         "PIC slave"},           \
 157         {KVM_IRQCHIP_IOAPIC,            "IOAPIC"}
 158
 159 TRACE_EVENT(kvm_ack_irq,
 160         TP_PROTO(unsigned int irqchip, unsigned int pin),
 161         TP_ARGS(irqchip, pin),
 162
 163         TP_STRUCT__entry(
 164                 __field(        unsigned int,   irqchip         )
 165                 __field(        unsigned int,   pin             )
 166         ),
 167
 168         TP_fast_assign(
 169                 tp_assign(irqchip, irqchip)
 170                 tp_assign(pin, pin)
 171         ),
 172
 173         TP_printk("irqchip %s pin %u",
 174                   __print_symbolic(__entry->irqchip, kvm_irqchips),
 175                  __entry->pin)
 176 )
 177
 178
 179
 180 #endif /* defined(__KVM_HAVE_IOAPIC) */
 181
 182 #define KVM_TRACE_MMIO_READ_UNSATISFIED 0
 183 #define KVM_TRACE_MMIO_READ 1
 184 #define KVM_TRACE_MMIO_WRITE 2
 185
 186 #define kvm_trace_symbol_mmio \
 187         { KVM_TRACE_MMIO_READ_UNSATISFIED, "unsatisfied-read" }, \
 188         { KVM_TRACE_MMIO_READ, "read" }, \
 189         { KVM_TRACE_MMIO_WRITE, "write" }
 190
 191 TRACE_EVENT(kvm_mmio,
 192         TP_PROTO(int type, int len, u64 gpa, u64 val),
 193         TP_ARGS(type, len, gpa, val),
 194
 195         TP_STRUCT__entry(
 196                 __field(        u32,    type            )
 197                 __field(        u32,    len             )
 198                 __field(        u64,    gpa             )
 199                 __field(        u64,    val             )
 200         ),
 201
 202         TP_fast_assign(
 203                 tp_assign(type, type)
 204                 tp_assign(len, len)
 205                 tp_assign(gpa, gpa)
 206                 tp_assign(val, val)
 207         ),
 208
 209         TP_printk("mmio %s len %u gpa 0x%llx val 0x%llx",
 210                   __print_symbolic(__entry->type, kvm_trace_symbol_mmio),
 211                   __entry->len, __entry->gpa, __entry->val)
 212 )
 213
 214 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
 215
 216 #define kvm_fpu_load_symbol     \
 217         {0, "unload"},          \
 218         {1, "load"}
 219
 220 TRACE_EVENT(kvm_fpu,
 221         TP_PROTO(int load),
 222         TP_ARGS(load),
 223
 224         TP_STRUCT__entry(
 225                 __field(        u32,            load            )
 226         ),
 227
 228         TP_fast_assign(
 229                 tp_assign(load, load)
 230         ),
 231
 232         TP_printk("%s", __print_symbolic(__entry->load, kvm_fpu_load_symbol))
 233 )
 234
 235 TRACE_EVENT(kvm_age_page,
 236         TP_PROTO(ulong hva, struct kvm_memory_slot *slot, int ref),
 237         TP_ARGS(hva, slot, ref),
 238
 239         TP_STRUCT__entry(
 240                 __field(        u64,    hva             )
 241                 __field(        u64,    gfn             )
 242                 __field(        u8,     referenced      )
 243         ),
 244
 245         TP_fast_assign(
 246                 tp_assign(hva, hva)
 247                 tp_assign(gfn,
 248                   slot->base_gfn + ((hva - slot->userspace_addr) >> PAGE_SHIFT))
 249                 tp_assign(referenced, ref)
 250         ),
 251
 252         TP_printk("hva %llx gfn %llx %s",
 253                   __entry->hva, __entry->gfn,
 254                   __entry->referenced ? "YOUNG" : "OLD")
 255 )
 256 #endif
 257
 258 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
 259
 260 #ifdef CONFIG_KVM_ASYNC_PF
 261 DECLARE_EVENT_CLASS(kvm_async_get_page_class,
 262
 263         TP_PROTO(u64 gva, u64 gfn),
 264
 265         TP_ARGS(gva, gfn),
 266
 267         TP_STRUCT__entry(
 268                 __field(__u64, gva)
 269                 __field(u64, gfn)
 270         ),
 271
 272         TP_fast_assign(
 273                 tp_assign(gva, gva)
 274                 tp_assign(gfn, gfn)
 275         ),
 276
 277         TP_printk("gva = %#llx, gfn = %#llx", __entry->gva, __entry->gfn)
 278 )
 279
 280 DEFINE_EVENT(kvm_async_get_page_class, kvm_try_async_get_page,
 281
 282         TP_PROTO(u64 gva, u64 gfn),
 283
 284         TP_ARGS(gva, gfn)
 285 )
 286
 287 DEFINE_EVENT(kvm_async_get_page_class, kvm_async_pf_doublefault,
 288
 289         TP_PROTO(u64 gva, u64 gfn),
 290
 291         TP_ARGS(gva, gfn)
 292 )
 293
 294 DECLARE_EVENT_CLASS(kvm_async_pf_nopresent_ready,
 295
 296         TP_PROTO(u64 token, u64 gva),
 297
 298         TP_ARGS(token, gva),
 299
 300         TP_STRUCT__entry(
 301                 __field(__u64, token)
 302                 __field(__u64, gva)
 303         ),
 304
 305         TP_fast_assign(
 306                 tp_assign(token, token)
 307                 tp_assign(gva, gva)
 308         ),
 309
 310         TP_printk("token %#llx gva %#llx", __entry->token, __entry->gva)
 311
 312 )
 313
 314 DEFINE_EVENT(kvm_async_pf_nopresent_ready, kvm_async_pf_not_present,
 315
 316         TP_PROTO(u64 token, u64 gva),
 317
 318         TP_ARGS(token, gva)
 319 )
 320
 321 DEFINE_EVENT(kvm_async_pf_nopresent_ready, kvm_async_pf_ready,
 322
 323         TP_PROTO(u64 token, u64 gva),
 324
 325         TP_ARGS(token, gva)
 326 )
 327
 328 TRACE_EVENT(
 329         kvm_async_pf_completed,
 330         TP_PROTO(unsigned long address, struct page *page, u64 gva),
 331         TP_ARGS(address, page, gva),
 332
 333         TP_STRUCT__entry(
 334                 __field(unsigned long, address)
 335                 __field(pfn_t, pfn)
 336                 __field(u64, gva)
 337                 ),
 338
 339         TP_fast_assign(
 340                 tp_assign(address, address)
 341                 tp_assign(pfn, page ? page_to_pfn(page) : 0)
 342                 tp_assign(gva, gva)
 343                 ),
 344
 345         TP_printk("gva %#llx address %#lx pfn %#llx",  __entry->gva,
 346                   __entry->address, __entry->pfn)
 347 )
 348
 349 #endif
 350
 351 #endif
 352
 353 #endif /* _TRACE_KVM_MAIN_H */
 354
 355 /* This part must be outside protection */
 356 #include "../../../probes/define_trace.h"