| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | #if !defined(LTTNG_TRACE_KVM_MMU_H) || defined(TRACE_HEADER_MULTI_READ) |
| 3 | #define LTTNG_TRACE_KVM_MMU_H |
| 4 | |
| 5 | #include <lttng/lttng-tracepoint-event.h> |
| 6 | |
| 7 | #include <linux/trace_events.h> |
| 8 | |
| 9 | #undef TRACE_SYSTEM |
| 10 | #define TRACE_SYSTEM kvm_mmu |
| 11 | |
| 12 | #define LTTNG_KVM_MMU_PAGE_FIELDS \ |
| 13 | ctf_integer(__u64, gfn, (sp)->gfn) \ |
| 14 | ctf_integer(__u32, role, (sp)->role.word) \ |
| 15 | ctf_integer(__u32, root_count, (sp)->root_count) \ |
| 16 | ctf_integer(bool, unsync, (sp)->unsync) |
| 17 | |
| 18 | /* |
| 19 | * A pagetable walk has started |
| 20 | */ |
| 21 | LTTNG_TRACEPOINT_EVENT( |
| 22 | kvm_mmu_pagetable_walk, |
| 23 | TP_PROTO(u64 addr, u32 pferr), |
| 24 | TP_ARGS(addr, pferr), |
| 25 | |
| 26 | TP_FIELDS( |
| 27 | ctf_integer_hex(__u64, addr, addr) |
| 28 | ctf_integer(__u32, pferr, pferr) |
| 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 | LTTNG_TRACEPOINT_EVENT_MAP( |
| 122 | mark_mmio_spte, |
| 123 | |
| 124 | kvm_mmu_mark_mmio_spte, |
| 125 | |
| 126 | TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access, unsigned int gen), |
| 127 | TP_ARGS(sptep, gfn, access, gen), |
| 128 | |
| 129 | TP_FIELDS( |
| 130 | ctf_integer_hex(void *, sptep, sptep) |
| 131 | ctf_integer(gfn_t, gfn, gfn) |
| 132 | ctf_integer(unsigned, access, access) |
| 133 | ctf_integer(unsigned int, gen, gen) |
| 134 | ) |
| 135 | ) |
| 136 | |
| 137 | LTTNG_TRACEPOINT_EVENT_MAP( |
| 138 | handle_mmio_page_fault, |
| 139 | |
| 140 | kvm_mmu_handle_mmio_page_fault, |
| 141 | |
| 142 | TP_PROTO(u64 addr, gfn_t gfn, unsigned access), |
| 143 | TP_ARGS(addr, gfn, access), |
| 144 | |
| 145 | TP_FIELDS( |
| 146 | ctf_integer_hex(u64, addr, addr) |
| 147 | ctf_integer(gfn_t, gfn, gfn) |
| 148 | ctf_integer(unsigned, access, access) |
| 149 | ) |
| 150 | ) |
| 151 | |
| 152 | LTTNG_TRACEPOINT_EVENT_MAP( |
| 153 | fast_page_fault, |
| 154 | |
| 155 | kvm_mmu_fast_page_fault, |
| 156 | |
| 157 | TP_PROTO(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u32 error_code, |
| 158 | u64 *sptep, u64 old_spte, bool retry), |
| 159 | TP_ARGS(vcpu, cr2_or_gpa, error_code, sptep, old_spte, retry), |
| 160 | |
| 161 | TP_FIELDS( |
| 162 | ctf_integer(int, vcpu_id, vcpu->vcpu_id) |
| 163 | ctf_integer(gpa_t, cr2_or_gpa, cr2_or_gpa) |
| 164 | ctf_integer(u32, error_code, error_code) |
| 165 | ctf_integer_hex(u64 *, sptep, sptep) |
| 166 | ctf_integer(u64, old_spte, old_spte) |
| 167 | ctf_integer(u64, new_spte, *sptep) |
| 168 | ctf_integer(bool, retry, retry) |
| 169 | ) |
| 170 | ) |
| 171 | |
| 172 | #endif /* LTTNG_TRACE_KVM_MMU_H */ |
| 173 | |
| 174 | #undef TRACE_INCLUDE_PATH |
| 175 | #define TRACE_INCLUDE_PATH instrumentation/events/lttng-module/arch/x86/kvm |
| 176 | #undef TRACE_INCLUDE_FILE |
| 177 | #define TRACE_INCLUDE_FILE mmutrace |
| 178 | |
| 179 | /* This part must be outside protection */ |
| 180 | #include <lttng/define_trace.h> |