instrumentation/events/lttng-module/arch/x86/kvm/mmutrace.h

   1 #if !defined(LTTNG_TRACE_KVM_MMU_H) || defined(TRACE_HEADER_MULTI_READ)
   2 #define LTTNG_TRACE_KVM_MMU_H
   3
   4 #include "../../../../../../probes/lttng-tracepoint-event.h"
   5 #include <linux/ftrace_event.h>
   6 #include <linux/version.h>
   7
   8 #undef TRACE_SYSTEM
   9 #define TRACE_SYSTEM kvm_mmu
  10
  11 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
  12
  13 #define LTTNG_KVM_MMU_PAGE_FIELDS \
  14         ctf_integer(unsigned long, mmu_valid_gen, (sp)->mmu_valid_gen) \
  15         ctf_integer(__u64, gfn, (sp)->gfn) \
  16         ctf_integer(__u32, role, (sp)->role.word) \
  17         ctf_integer(__u32, root_count, (sp)->root_count) \
  18         ctf_integer(bool, unsync, (sp)->unsync)
  19
  20 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
  21
  22 #define LTTNG_KVM_MMU_PAGE_FIELDS \
  23         ctf_integer(__u64, gfn, (sp)->gfn) \
  24         ctf_integer(__u32, role, (sp)->role.word) \
  25         ctf_integer(__u32, root_count, (sp)->root_count) \
  26         ctf_integer(bool, unsync, (sp)->unsync)
  27
  28 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
  29
  30 /*
  31  * A pagetable walk has started
  32  */
  33 LTTNG_TRACEPOINT_EVENT(
  34         kvm_mmu_pagetable_walk,
  35         TP_PROTO(u64 addr, u32 pferr),
  36         TP_ARGS(addr, pferr),
  37
  38         TP_FIELDS(
  39                 ctf_integer(__u64, addr, addr)
  40                 ctf_integer(__u32, pferr, pferr)
  41         )
  42 )
  43
  44
  45 /* We just walked a paging element */
  46 LTTNG_TRACEPOINT_EVENT(
  47         kvm_mmu_paging_element,
  48         TP_PROTO(u64 pte, int level),
  49         TP_ARGS(pte, level),
  50
  51         TP_FIELDS(
  52                 ctf_integer(__u64, pte, pte)
  53                 ctf_integer(__u32, level, level)
  54         )
  55 )
  56
  57 LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_set_bit_class,
  58
  59         TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
  60
  61         TP_ARGS(table_gfn, index, size),
  62
  63         TP_FIELDS(
  64                 ctf_integer(__u64, gpa,
  65                         ((u64)table_gfn << PAGE_SHIFT) + index * size)
  66         )
  67 )
  68
  69 /* We set a pte accessed bit */
  70 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class, kvm_mmu_set_accessed_bit,
  71
  72         TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
  73
  74         TP_ARGS(table_gfn, index, size)
  75 )
  76
  77 /* We set a pte dirty bit */
  78 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class, kvm_mmu_set_dirty_bit,
  79
  80         TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
  81
  82         TP_ARGS(table_gfn, index, size)
  83 )
  84
  85 LTTNG_TRACEPOINT_EVENT(
  86         kvm_mmu_walker_error,
  87         TP_PROTO(u32 pferr),
  88         TP_ARGS(pferr),
  89
  90         TP_FIELDS(
  91                 ctf_integer(__u32, pferr, pferr)
  92         )
  93 )
  94
  95 LTTNG_TRACEPOINT_EVENT(
  96         kvm_mmu_get_page,
  97         TP_PROTO(struct kvm_mmu_page *sp, bool created),
  98         TP_ARGS(sp, created),
  99
 100         TP_FIELDS(
 101                 LTTNG_KVM_MMU_PAGE_FIELDS
 102                 ctf_integer(bool, created, created)
 103         )
 104 )
 105
 106 LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_page_class,
 107
 108         TP_PROTO(struct kvm_mmu_page *sp),
 109         TP_ARGS(sp),
 110
 111         TP_FIELDS(
 112                 LTTNG_KVM_MMU_PAGE_FIELDS
 113         )
 114 )
 115
 116 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_sync_page,
 117         TP_PROTO(struct kvm_mmu_page *sp),
 118
 119         TP_ARGS(sp)
 120 )
 121
 122 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_unsync_page,
 123         TP_PROTO(struct kvm_mmu_page *sp),
 124
 125         TP_ARGS(sp)
 126 )
 127
 128 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_prepare_zap_page,
 129         TP_PROTO(struct kvm_mmu_page *sp),
 130
 131         TP_ARGS(sp)
 132 )
 133
 134 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
 135
 136 LTTNG_TRACEPOINT_EVENT_MAP(
 137         mark_mmio_spte,
 138
 139         kvm_mmu_mark_mmio_spte,
 140
 141         TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access, unsigned int gen),
 142         TP_ARGS(sptep, gfn, access, gen),
 143
 144         TP_FIELDS(
 145                 ctf_integer(void *, sptep, sptep)
 146                 ctf_integer(gfn_t, gfn, gfn)
 147                 ctf_integer(unsigned, access, access)
 148                 ctf_integer(unsigned int, gen, gen)
 149         )
 150 )
 151
 152 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
 153
 154 LTTNG_TRACEPOINT_EVENT_MAP(
 155         mark_mmio_spte,
 156
 157         kvm_mmu_mark_mmio_spte,
 158
 159         TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access),
 160         TP_ARGS(sptep, gfn, access),
 161
 162         TP_FIELDS(
 163                 ctf_integer(void *, sptep, sptep)
 164                 ctf_integer(gfn_t, gfn, gfn)
 165                 ctf_integer(unsigned, access, access)
 166         )
 167 )
 168
 169 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
 170
 171 LTTNG_TRACEPOINT_EVENT_MAP(
 172         handle_mmio_page_fault,
 173
 174         kvm_mmu_handle_mmio_page_fault,
 175
 176         TP_PROTO(u64 addr, gfn_t gfn, unsigned access),
 177         TP_ARGS(addr, gfn, access),
 178
 179         TP_FIELDS(
 180                 ctf_integer(u64, addr, addr)
 181                 ctf_integer(gfn_t, gfn, gfn)
 182                 ctf_integer(unsigned, access, access)
 183         )
 184 )
 185
 186 LTTNG_TRACEPOINT_EVENT_MAP(
 187         fast_page_fault,
 188
 189         kvm_mmu_fast_page_fault,
 190
 191         TP_PROTO(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code,
 192                  u64 *sptep, u64 old_spte, bool retry),
 193         TP_ARGS(vcpu, gva, error_code, sptep, old_spte, retry),
 194
 195         TP_FIELDS(
 196                 ctf_integer(int, vcpu_id, vcpu->vcpu_id)
 197                 ctf_integer(gva_t, gva, gva)
 198                 ctf_integer(u32, error_code, error_code)
 199                 ctf_integer(u64 *, sptep, sptep)
 200                 ctf_integer(u64, old_spte, old_spte)
 201                 ctf_integer(u64, new_spte, *sptep)
 202                 ctf_integer(bool, retry, retry)
 203         )
 204 )
 205 #endif /* LTTNG_TRACE_KVM_MMU_H */
 206
 207 #undef TRACE_INCLUDE_PATH
 208 #define TRACE_INCLUDE_PATH ../instrumentation/events/lttng-module/arch/x86/kvm
 209 #undef TRACE_INCLUDE_FILE
 210 #define TRACE_INCLUDE_FILE mmutrace
 211
 212 /* This part must be outside protection */
 213 #include "../../../../../../probes/define_trace.h"