instrumentation/events/lttng-module/kvm.h

   1 #if !defined(LTTNG_TRACE_KVM_MAIN_H) || defined(TRACE_HEADER_MULTI_READ)
   2 #define LTTNG_TRACE_KVM_MAIN_H
   3
   4 #include "../../../probes/lttng-tracepoint-event.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 LTTNG_TRACEPOINT_EVENT(kvm_userspace_exit,
  13             TP_PROTO(__u32 reason, int errno),
  14             TP_ARGS(reason, errno),
  15
  16         TP_FIELDS(
  17                 ctf_integer(__u32, reason, reason)
  18                 ctf_integer(int, errno, errno)
  19         )
  20 )
  21 #endif
  22
  23 #if (LINUX_VERSION_CODE < KERNEL_VERSION(3,6,0))
  24 #if defined(__KVM_HAVE_IOAPIC)
  25 #undef __KVM_HAVE_IRQ_LINE
  26 #define __KVM_HAVE_IRQ_LINE
  27 #endif
  28 #endif
  29
  30 #if defined(__KVM_HAVE_IRQ_LINE)
  31 LTTNG_TRACEPOINT_EVENT(kvm_set_irq,
  32         TP_PROTO(unsigned int gsi, int level, int irq_source_id),
  33         TP_ARGS(gsi, level, irq_source_id),
  34
  35         TP_FIELDS(
  36                 ctf_integer(unsigned int, gsi, gsi)
  37                 ctf_integer(int, level, level)
  38                 ctf_integer(int, irq_source_id, irq_source_id)
  39         )
  40 )
  41 #endif
  42
  43 #if defined(__KVM_HAVE_IOAPIC)
  44
  45 LTTNG_TRACEPOINT_EVENT(kvm_ioapic_set_irq,
  46             TP_PROTO(__u64 e, int pin, bool coalesced),
  47             TP_ARGS(e, pin, coalesced),
  48
  49         TP_FIELDS(
  50                 ctf_integer(__u64, e, e)
  51                 ctf_integer(int, pin, pin)
  52                 ctf_integer(bool, coalesced, coalesced)
  53         )
  54 )
  55
  56 LTTNG_TRACEPOINT_EVENT(kvm_msi_set_irq,
  57             TP_PROTO(__u64 address, __u64 data),
  58             TP_ARGS(address, data),
  59
  60         TP_FIELDS(
  61                 ctf_integer(__u64, address, address)
  62                 ctf_integer(__u64, data, data)
  63         )
  64 )
  65
  66 LTTNG_TRACEPOINT_EVENT(kvm_ack_irq,
  67         TP_PROTO(unsigned int irqchip, unsigned int pin),
  68         TP_ARGS(irqchip, pin),
  69
  70         TP_FIELDS(
  71                 ctf_integer(unsigned int, irqchip, irqchip)
  72                 ctf_integer(unsigned int, pin, pin)
  73         )
  74 )
  75
  76 #endif /* defined(__KVM_HAVE_IOAPIC) */
  77
  78 #define KVM_TRACE_MMIO_READ_UNSATISFIED 0
  79 #define KVM_TRACE_MMIO_READ 1
  80 #define KVM_TRACE_MMIO_WRITE 2
  81
  82 #define kvm_trace_symbol_mmio \
  83         { KVM_TRACE_MMIO_READ_UNSATISFIED, "unsatisfied-read" }, \
  84         { KVM_TRACE_MMIO_READ, "read" }, \
  85         { KVM_TRACE_MMIO_WRITE, "write" }
  86
  87 LTTNG_TRACEPOINT_EVENT(kvm_mmio,
  88         TP_PROTO(int type, int len, u64 gpa, u64 val),
  89         TP_ARGS(type, len, gpa, val),
  90
  91         TP_FIELDS(
  92                 ctf_integer(u32, type, type)
  93                 ctf_integer(u32, len, len)
  94                 ctf_integer(u64, gpa, gpa)
  95                 ctf_integer(u64, val, val)
  96         )
  97 )
  98
  99 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
 100
 101 #define kvm_fpu_load_symbol     \
 102         {0, "unload"},          \
 103         {1, "load"}
 104
 105 LTTNG_TRACEPOINT_EVENT(kvm_fpu,
 106         TP_PROTO(int load),
 107         TP_ARGS(load),
 108
 109         TP_FIELDS(
 110                 ctf_integer(u32, load, load)
 111         )
 112 )
 113
 114 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,18,0))
 115
 116 LTTNG_TRACEPOINT_EVENT(kvm_age_page,
 117         TP_PROTO(ulong gfn, int level, struct kvm_memory_slot *slot, int ref),
 118         TP_ARGS(gfn, level, slot, ref),
 119
 120         TP_STRUCT__entry(
 121                 __field(        u64,    hva             )
 122                 __field(        u64,    gfn             )
 123                 __field(        u8,     level           )
 124                 __field(        u8,     referenced      )
 125         ),
 126
 127         TP_fast_assign(
 128                 tp_assign(gfn, gfn)
 129                 tp_assign(level, level)
 130                 tp_assign(hva, ((gfn - slot->base_gfn) <<
 131                         PAGE_SHIFT) + slot->userspace_addr)
 132                 tp_assign(referenced, ref)
 133         ),
 134
 135         TP_printk("hva %llx gfn %llx level %u %s",
 136                 __entry->hva, __entry->gfn, __entry->level,
 137                 __entry->referenced ? "YOUNG" : "OLD")
 138 )
 139
 140 #else
 141
 142 LTTNG_TRACEPOINT_EVENT(kvm_age_page,
 143         TP_PROTO(ulong hva, struct kvm_memory_slot *slot, int ref),
 144         TP_ARGS(hva, slot, ref),
 145
 146         TP_FIELDS(
 147                 ctf_integer(u64, hva, hva)
 148                 ctf_integer(u64, gfn,
 149                         slot->base_gfn + ((hva - slot->userspace_addr) >> PAGE_SHIFT))
 150                 ctf_integer(u8, referenced, ref)
 151         )
 152 )
 153 #endif
 154 #endif
 155
 156 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
 157
 158 #ifdef CONFIG_KVM_ASYNC_PF
 159 LTTNG_TRACEPOINT_EVENT_CLASS(kvm_async_get_page_class,
 160
 161         TP_PROTO(u64 gva, u64 gfn),
 162
 163         TP_ARGS(gva, gfn),
 164
 165         TP_FIELDS(
 166                 ctf_integer(__u64, gva, gva)
 167                 ctf_integer(u64, gfn, gfn)
 168         )
 169 )
 170
 171 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_async_get_page_class, kvm_try_async_get_page,
 172
 173         TP_PROTO(u64 gva, u64 gfn),
 174
 175         TP_ARGS(gva, gfn)
 176 )
 177
 178 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_async_get_page_class, kvm_async_pf_doublefault,
 179
 180         TP_PROTO(u64 gva, u64 gfn),
 181
 182         TP_ARGS(gva, gfn)
 183 )
 184
 185 LTTNG_TRACEPOINT_EVENT_CLASS(kvm_async_pf_nopresent_ready,
 186
 187         TP_PROTO(u64 token, u64 gva),
 188
 189         TP_ARGS(token, gva),
 190
 191         TP_FIELDS(
 192                 ctf_integer(__u64, token, token)
 193                 ctf_integer(__u64, gva, gva)
 194         )
 195 )
 196
 197 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_async_pf_nopresent_ready, kvm_async_pf_not_present,
 198
 199         TP_PROTO(u64 token, u64 gva),
 200
 201         TP_ARGS(token, gva)
 202 )
 203
 204 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_async_pf_nopresent_ready, kvm_async_pf_ready,
 205
 206         TP_PROTO(u64 token, u64 gva),
 207
 208         TP_ARGS(token, gva)
 209 )
 210
 211 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0))
 212
 213 LTTNG_TRACEPOINT_EVENT(
 214         kvm_async_pf_completed,
 215         TP_PROTO(unsigned long address, u64 gva),
 216         TP_ARGS(address, gva),
 217
 218         TP_FIELDS(
 219                 ctf_integer(unsigned long, address, address)
 220                 ctf_integer(u64, gva, gva)
 221         )
 222 )
 223
 224 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0)) */
 225
 226 LTTNG_TRACEPOINT_EVENT(
 227         kvm_async_pf_completed,
 228         TP_PROTO(unsigned long address, struct page *page, u64 gva),
 229         TP_ARGS(address, page, gva),
 230
 231         TP_FIELDS(
 232                 ctf_integer(unsigned long, address, address)
 233                 ctf_integer(pfn_t, pfn, page ? page_to_pfn(page) : 0)
 234                 ctf_integer(u64, gva, gva)
 235         )
 236 )
 237
 238 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,13,0)) */
 239
 240 #endif
 241
 242 #endif
 243
 244 #endif /* LTTNG_TRACE_KVM_MAIN_H */
 245
 246 /* This part must be outside protection */
 247 #include "../../../probes/define_trace.h"