| 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(5,1,0)) |
| 17 | |
| 18 | #define LTTNG_KVM_MMU_PAGE_FIELDS \ |
| 19 | ctf_integer(__u64, gfn, (sp)->gfn) \ |
| 20 | ctf_integer(__u32, role, (sp)->role.word) \ |
| 21 | ctf_integer(__u32, root_count, (sp)->root_count) \ |
| 22 | ctf_integer(bool, unsync, (sp)->unsync) |
| 23 | |
| 24 | #elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) |
| 25 | |
| 26 | #define LTTNG_KVM_MMU_PAGE_FIELDS \ |
| 27 | ctf_integer(unsigned long, mmu_valid_gen, (sp)->mmu_valid_gen) \ |
| 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 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */ |
| 34 | |
| 35 | #define LTTNG_KVM_MMU_PAGE_FIELDS \ |
| 36 | ctf_integer(__u64, gfn, (sp)->gfn) \ |
| 37 | ctf_integer(__u32, role, (sp)->role.word) \ |
| 38 | ctf_integer(__u32, root_count, (sp)->root_count) \ |
| 39 | ctf_integer(bool, unsync, (sp)->unsync) |
| 40 | |
| 41 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */ |
| 42 | |
| 43 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) |
| 44 | /* |
| 45 | * A pagetable walk has started |
| 46 | */ |
| 47 | LTTNG_TRACEPOINT_EVENT( |
| 48 | kvm_mmu_pagetable_walk, |
| 49 | TP_PROTO(u64 addr, u32 pferr), |
| 50 | TP_ARGS(addr, pferr), |
| 51 | |
| 52 | TP_FIELDS( |
| 53 | ctf_integer(__u64, addr, addr) |
| 54 | ctf_integer(__u32, pferr, pferr) |
| 55 | ) |
| 56 | ) |
| 57 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) */ |
| 58 | /* |
| 59 | * A pagetable walk has started |
| 60 | */ |
| 61 | LTTNG_TRACEPOINT_EVENT( |
| 62 | kvm_mmu_pagetable_walk, |
| 63 | TP_PROTO(u64 addr, int write_fault, int user_fault, int fetch_fault), |
| 64 | TP_ARGS(addr, write_fault, user_fault, fetch_fault), |
| 65 | |
| 66 | TP_FIELDS( |
| 67 | ctf_integer(__u64, addr, addr) |
| 68 | ctf_integer(__u32, pferr, |
| 69 | (!!write_fault << 1) | (!!user_fault << 2) |
| 70 | | (!!fetch_fault << 4)) |
| 71 | ) |
| 72 | ) |
| 73 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,6,0)) */ |
| 74 | |
| 75 | /* We just walked a paging element */ |
| 76 | LTTNG_TRACEPOINT_EVENT( |
| 77 | kvm_mmu_paging_element, |
| 78 | TP_PROTO(u64 pte, int level), |
| 79 | TP_ARGS(pte, level), |
| 80 | |
| 81 | TP_FIELDS( |
| 82 | ctf_integer(__u64, pte, pte) |
| 83 | ctf_integer(__u32, level, level) |
| 84 | ) |
| 85 | ) |
| 86 | |
| 87 | LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_set_bit_class, |
| 88 | |
| 89 | TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size), |
| 90 | |
| 91 | TP_ARGS(table_gfn, index, size), |
| 92 | |
| 93 | TP_FIELDS( |
| 94 | ctf_integer(__u64, gpa, |
| 95 | ((u64)table_gfn << PAGE_SHIFT) + index * size) |
| 96 | ) |
| 97 | ) |
| 98 | |
| 99 | /* We set a pte accessed bit */ |
| 100 | LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class, kvm_mmu_set_accessed_bit, |
| 101 | |
| 102 | TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size), |
| 103 | |
| 104 | TP_ARGS(table_gfn, index, size) |
| 105 | ) |
| 106 | |
| 107 | /* We set a pte dirty bit */ |
| 108 | LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_set_bit_class, kvm_mmu_set_dirty_bit, |
| 109 | |
| 110 | TP_PROTO(unsigned long table_gfn, unsigned index, unsigned size), |
| 111 | |
| 112 | TP_ARGS(table_gfn, index, size) |
| 113 | ) |
| 114 | |
| 115 | LTTNG_TRACEPOINT_EVENT( |
| 116 | kvm_mmu_walker_error, |
| 117 | TP_PROTO(u32 pferr), |
| 118 | TP_ARGS(pferr), |
| 119 | |
| 120 | TP_FIELDS( |
| 121 | ctf_integer(__u32, pferr, pferr) |
| 122 | ) |
| 123 | ) |
| 124 | |
| 125 | LTTNG_TRACEPOINT_EVENT( |
| 126 | kvm_mmu_get_page, |
| 127 | TP_PROTO(struct kvm_mmu_page *sp, bool created), |
| 128 | TP_ARGS(sp, created), |
| 129 | |
| 130 | TP_FIELDS( |
| 131 | LTTNG_KVM_MMU_PAGE_FIELDS |
| 132 | ctf_integer(bool, created, created) |
| 133 | ) |
| 134 | ) |
| 135 | |
| 136 | LTTNG_TRACEPOINT_EVENT_CLASS(kvm_mmu_page_class, |
| 137 | |
| 138 | TP_PROTO(struct kvm_mmu_page *sp), |
| 139 | TP_ARGS(sp), |
| 140 | |
| 141 | TP_FIELDS( |
| 142 | LTTNG_KVM_MMU_PAGE_FIELDS |
| 143 | ) |
| 144 | ) |
| 145 | |
| 146 | LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_sync_page, |
| 147 | TP_PROTO(struct kvm_mmu_page *sp), |
| 148 | |
| 149 | TP_ARGS(sp) |
| 150 | ) |
| 151 | |
| 152 | LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_unsync_page, |
| 153 | TP_PROTO(struct kvm_mmu_page *sp), |
| 154 | |
| 155 | TP_ARGS(sp) |
| 156 | ) |
| 157 | |
| 158 | LTTNG_TRACEPOINT_EVENT_INSTANCE(kvm_mmu_page_class, kvm_mmu_prepare_zap_page, |
| 159 | TP_PROTO(struct kvm_mmu_page *sp), |
| 160 | |
| 161 | TP_ARGS(sp) |
| 162 | ) |
| 163 | |
| 164 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) |
| 165 | |
| 166 | LTTNG_TRACEPOINT_EVENT_MAP( |
| 167 | mark_mmio_spte, |
| 168 | |
| 169 | kvm_mmu_mark_mmio_spte, |
| 170 | |
| 171 | TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access, unsigned int gen), |
| 172 | TP_ARGS(sptep, gfn, access, gen), |
| 173 | |
| 174 | TP_FIELDS( |
| 175 | ctf_integer_hex(void *, sptep, sptep) |
| 176 | ctf_integer(gfn_t, gfn, gfn) |
| 177 | ctf_integer(unsigned, access, access) |
| 178 | ctf_integer(unsigned int, gen, gen) |
| 179 | ) |
| 180 | ) |
| 181 | |
| 182 | #else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */ |
| 183 | |
| 184 | LTTNG_TRACEPOINT_EVENT_MAP( |
| 185 | mark_mmio_spte, |
| 186 | |
| 187 | kvm_mmu_mark_mmio_spte, |
| 188 | |
| 189 | TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access), |
| 190 | TP_ARGS(sptep, gfn, access), |
| 191 | |
| 192 | TP_FIELDS( |
| 193 | ctf_integer_hex(void *, sptep, sptep) |
| 194 | ctf_integer(gfn_t, gfn, gfn) |
| 195 | ctf_integer(unsigned, access, access) |
| 196 | ) |
| 197 | ) |
| 198 | |
| 199 | #endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,11,0)) */ |
| 200 | |
| 201 | LTTNG_TRACEPOINT_EVENT_MAP( |
| 202 | handle_mmio_page_fault, |
| 203 | |
| 204 | kvm_mmu_handle_mmio_page_fault, |
| 205 | |
| 206 | TP_PROTO(u64 addr, gfn_t gfn, unsigned access), |
| 207 | TP_ARGS(addr, gfn, access), |
| 208 | |
| 209 | TP_FIELDS( |
| 210 | ctf_integer(u64, addr, addr) |
| 211 | ctf_integer(gfn_t, gfn, gfn) |
| 212 | ctf_integer(unsigned, access, access) |
| 213 | ) |
| 214 | ) |
| 215 | |
| 216 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,6,0) || \ |
| 217 | LTTNG_KERNEL_RANGE(4,19,103, 4,20,0) || \ |
| 218 | LTTNG_KERNEL_RANGE(5,4,19, 5,5,0) || \ |
| 219 | LTTNG_KERNEL_RANGE(5,5,3, 5,6,0) || \ |
| 220 | LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,92, 4,16,0,0)) |
| 221 | LTTNG_TRACEPOINT_EVENT_MAP( |
| 222 | fast_page_fault, |
| 223 | |
| 224 | kvm_mmu_fast_page_fault, |
| 225 | |
| 226 | TP_PROTO(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u32 error_code, |
| 227 | u64 *sptep, u64 old_spte, bool retry), |
| 228 | TP_ARGS(vcpu, cr2_or_gpa, error_code, sptep, old_spte, retry), |
| 229 | |
| 230 | TP_FIELDS( |
| 231 | ctf_integer(int, vcpu_id, vcpu->vcpu_id) |
| 232 | ctf_integer(gpa_t, cr2_or_gpa, cr2_or_gpa) |
| 233 | ctf_integer(u32, error_code, error_code) |
| 234 | ctf_integer_hex(u64 *, sptep, sptep) |
| 235 | ctf_integer(u64, old_spte, old_spte) |
| 236 | ctf_integer(u64, new_spte, *sptep) |
| 237 | ctf_integer(bool, retry, retry) |
| 238 | ) |
| 239 | ) |
| 240 | #else |
| 241 | LTTNG_TRACEPOINT_EVENT_MAP( |
| 242 | fast_page_fault, |
| 243 | |
| 244 | kvm_mmu_fast_page_fault, |
| 245 | |
| 246 | TP_PROTO(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code, |
| 247 | u64 *sptep, u64 old_spte, bool retry), |
| 248 | TP_ARGS(vcpu, gva, error_code, sptep, old_spte, retry), |
| 249 | |
| 250 | TP_FIELDS( |
| 251 | ctf_integer(int, vcpu_id, vcpu->vcpu_id) |
| 252 | ctf_integer(gva_t, gva, gva) |
| 253 | ctf_integer(u32, error_code, error_code) |
| 254 | ctf_integer_hex(u64 *, sptep, sptep) |
| 255 | ctf_integer(u64, old_spte, old_spte) |
| 256 | ctf_integer(u64, new_spte, *sptep) |
| 257 | ctf_integer(bool, retry, retry) |
| 258 | ) |
| 259 | ) |
| 260 | #endif |
| 261 | |
| 262 | #endif /* LTTNG_TRACE_KVM_MMU_H */ |
| 263 | |
| 264 | #undef TRACE_INCLUDE_PATH |
| 265 | #define TRACE_INCLUDE_PATH instrumentation/events/lttng-module/arch/x86/kvm |
| 266 | #undef TRACE_INCLUDE_FILE |
| 267 | #define TRACE_INCLUDE_FILE mmutrace |
| 268 | |
| 269 | /* This part must be outside protection */ |
| 270 | #include <probes/define_trace.h> |