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