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