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