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/version.h>
   6
   7 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0))
   8 #include <linux/trace_events.h>
   9 #else /* if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
  10 #include <linux/ftrace_event.h>
  11 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)) */
  12
  13 #undef TRACE_SYSTEM
  14 #define TRACE_SYSTEM kvm_mmu
  15
  16 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0))
  17
  18 #define LTTNG_KVM_MMU_PAGE_FIELDS \
  19         ctf_integer(unsigned long, mmu_valid_gen, (sp)->mmu_valid_gen) \
  20         ctf_integer(__u64, gfn, (sp)->gfn) \
  21         ctf_integer(__u32, role, (sp)->role.word) \
  22         ctf_integer(__u32, root_count, (sp)->root_count) \
  23         ctf_integer(bool, unsync, (sp)->unsync)
  24
  25 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
  26
  27 #define LTTNG_KVM_MMU_PAGE_FIELDS \
  28         ctf_integer(__u64, gfn, (sp)->gfn) \
  29         ctf_integer(__u32, role, (sp)->role.word) \
  30         ctf_integer(__u32, root_count, (sp)->root_count) \
  31         ctf_integer(bool, unsync, (sp)->unsync)
  32
  33 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
  34
  35 /*
  36  * A pagetable walk has started
  37  */
  38 LTTNG_TRACEPOINT_EVENT(
  39         kvm_mmu_pagetable_walk,
  40         TP_PROTO(u64 addr, u32 pferr),
  41         TP_ARGS(addr, pferr),
  42
  43         TP_FIELDS(
  44                 ctf_integer(__u64, addr, addr)
  45                 ctf_integer(__u32, pferr, pferr)
  46         )
  47 )
  48
  49
  50 /* We just walked a paging element */
  51 LTTNG_TRACEPOINT_EVENT(
  52         kvm_mmu_paging_element,
  53         TP_PROTO(u64 pte, int level),
  54         TP_ARGS(pte, level),
  55
  56         TP_FIELDS(
  57                 ctf_integer(__u64, pte, pte)
  58                 ctf_integer(__u32, level, level)
  59         )
  60 )
  61
  62 LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_set_bit_class,
  63
  64         TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
  65
  66         TP_ARGS(table_gfn, index, size),
  67
  68         TP_FIELDS(
  69                 ctf_integer(__u64, gpa,
  70                         ((u64)table_gfn << PAGE_SHIFT) + index * size)
  71         )
  72 )
  73
  74 /* We set a pte accessed bit */
  75 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class, kvm_mmu_set_accessed_bit,
  76
  77         TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
  78
  79         TP_ARGS(table_gfn, index, size)
  80 )
  81
  82 /* We set a pte dirty bit */
  83 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class, kvm_mmu_set_dirty_bit,
  84
  85         TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size),
  86
  87         TP_ARGS(table_gfn, index, size)
  88 )
  89
  90 LTTNG_TRACEPOINT_EVENT(
  91         kvm_mmu_walker_error,
  92         TP_PROTO(u32 pferr),
  93         TP_ARGS(pferr),
  94
  95         TP_FIELDS(
  96                 ctf_integer(__u32, pferr, pferr)
  97         )
  98 )
  99
 100 LTTNG_TRACEPOINT_EVENT(
 101         kvm_mmu_get_page,
 102         TP_PROTO(struct kvm_mmu_page *sp, bool created),
 103         TP_ARGS(sp, created),
 104
 105         TP_FIELDS(
 106                 LTTNG_KVM_MMU_PAGE_FIELDS
 107                 ctf_integer(bool, created, created)
 108         )
 109 )
 110
 111 LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_page_class,
 112
 113         TP_PROTO(struct kvm_mmu_page *sp),
 114         TP_ARGS(sp),
 115
 116         TP_FIELDS(
 117                 LTTNG_KVM_MMU_PAGE_FIELDS
 118         )
 119 )
 120
 121 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_sync_page,
 122         TP_PROTO(struct kvm_mmu_page *sp),
 123
 124         TP_ARGS(sp)
 125 )
 126
 127 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_unsync_page,
 128         TP_PROTO(struct kvm_mmu_page *sp),
 129
 130         TP_ARGS(sp)
 131 )
 132
 133 LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_prepare_zap_page,
 134         TP_PROTO(struct kvm_mmu_page *sp),
 135
 136         TP_ARGS(sp)
 137 )
 138
 139 #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, unsigned int gen),
 147         TP_ARGS(sptep, gfn, access, gen),
 148
 149         TP_FIELDS(
 150                 ctf_integer(void *, sptep, sptep)
 151                 ctf_integer(gfn_t, gfn, gfn)
 152                 ctf_integer(unsigned, access, access)
 153                 ctf_integer(unsigned int, gen, gen)
 154         )
 155 )
 156
 157 #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
 158
 159 LTTNG_TRACEPOINT_EVENT_MAP(
 160         mark_mmio_spte,
 161
 162         kvm_mmu_mark_mmio_spte,
 163
 164         TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access),
 165         TP_ARGS(sptep, gfn, access),
 166
 167         TP_FIELDS(
 168                 ctf_integer(void *, sptep, sptep)
 169                 ctf_integer(gfn_t, gfn, gfn)
 170                 ctf_integer(unsigned, access, access)
 171         )
 172 )
 173
 174 #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */
 175
 176 LTTNG_TRACEPOINT_EVENT_MAP(
 177         handle_mmio_page_fault,
 178
 179         kvm_mmu_handle_mmio_page_fault,
 180
 181         TP_PROTO(u64 addr, gfn_t gfn, unsigned access),
 182         TP_ARGS(addr, gfn, access),
 183
 184         TP_FIELDS(
 185                 ctf_integer(u64, addr, addr)
 186                 ctf_integer(gfn_t, gfn, gfn)
 187                 ctf_integer(unsigned, access, access)
 188         )
 189 )
 190
 191 LTTNG_TRACEPOINT_EVENT_MAP(
 192         fast_page_fault,
 193
 194         kvm_mmu_fast_page_fault,
 195
 196         TP_PROTO(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code,
 197                  u64 *sptep, u64 old_spte, bool retry),
 198         TP_ARGS(vcpu, gva, error_code, sptep, old_spte, retry),
 199
 200         TP_FIELDS(
 201                 ctf_integer(int, vcpu_id, vcpu->vcpu_id)
 202                 ctf_integer(gva_t, gva, gva)
 203                 ctf_integer(u32, error_code, error_code)
 204                 ctf_integer(u64 *, sptep, sptep)
 205                 ctf_integer(u64, old_spte, old_spte)
 206                 ctf_integer(u64, new_spte, *sptep)
 207                 ctf_integer(bool, retry, retry)
 208         )
 209 )
 210 #endif /* LTTNG_TRACE_KVM_MMU_H */
 211
 212 #undef TRACE_INCLUDE_PATH
 213 #define TRACE_INCLUDE_PATH ../instrumentation/events/lttng-module/arch/x86/kvm
 214 #undef TRACE_INCLUDE_FILE
 215 #define TRACE_INCLUDE_FILE mmutrace
 216
 217 /* This part must be outside protection */
 218 #include "../../../../../../probes/define_trace.h"