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