| 1 | // SPDX-FileCopyrightText: 2013 Mohamad Gebai <mohamad.gebai@polymtl.ca> |
| 2 | // |
| 3 | // SPDX-License-Identifier: GPL-2.0-only |
| 4 | |
| 5 | #if !defined(LTTNG_TRACE_KVM_MMU_H) || defined(TRACE_HEADER_MULTI_READ) |
| 6 | #define LTTNG_TRACE_KVM_MMU_H |
| 7 | |
| 8 | #include <lttng/tracepoint-event.h> |
| 9 | #include <lttng/kernel-version.h> |
| 10 | |
| 11 | #include <linux/trace_events.h> |
| 12 | |
| 13 | #undef TRACE_SYSTEM |
| 14 | #define TRACE_SYSTEM kvm_mmu |
| 15 | |
| 16 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,1,0) || \ |
| 17 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,147,0,0, 4,19,0,0,0,0)) |
| 18 | |
| 19 | #define LTTNG_KVM_MMU_PAGE_FIELDS \ |
| 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 |
| 26 | |
| 27 | #define LTTNG_KVM_MMU_PAGE_FIELDS \ |
| 28 | ctf_integer(unsigned long, mmu_valid_gen, (sp)->mmu_valid_gen) \ |
| 29 | ctf_integer(__u64, gfn, (sp)->gfn) \ |
| 30 | ctf_integer(__u32, role, (sp)->role.word) \ |
| 31 | ctf_integer(__u32, root_count, (sp)->root_count) \ |
| 32 | ctf_integer(bool, unsync, (sp)->unsync) |
| 33 | |
| 34 | #endif |
| 35 | |
| 36 | /* |
| 37 | * A pagetable walk has started |
| 38 | */ |
| 39 | LTTNG_TRACEPOINT_EVENT( |
| 40 | kvm_mmu_pagetable_walk, |
| 41 | TP_PROTO(u64 addr, u32 pferr), |
| 42 | TP_ARGS(addr, pferr), |
| 43 | |
| 44 | TP_FIELDS( |
| 45 | ctf_integer_hex(__u64, addr, addr) |
| 46 | ctf_integer(__u32, pferr, pferr) |
| 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 (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,10,0) || \ |
| 140 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0)) |
| 141 | |
| 142 | LTTNG_TRACEPOINT_EVENT_MAP( |
| 143 | mark_mmio_spte, |
| 144 | |
| 145 | kvm_mmu_mark_mmio_spte, |
| 146 | |
| 147 | TP_PROTO(u64 *sptep, gfn_t gfn, u64 spte), |
| 148 | TP_ARGS(sptep, gfn, spte), |
| 149 | |
| 150 | TP_FIELDS( |
| 151 | ctf_integer_hex(void *, sptep, sptep) |
| 152 | ctf_integer(gfn_t, gfn, gfn) |
| 153 | ctf_integer(unsigned, access, spte & ACC_ALL) |
| 154 | ctf_integer(unsigned int, gen, get_mmio_spte_generation(spte)) |
| 155 | ) |
| 156 | ) |
| 157 | |
| 158 | #else |
| 159 | |
| 160 | LTTNG_TRACEPOINT_EVENT_MAP( |
| 161 | mark_mmio_spte, |
| 162 | |
| 163 | kvm_mmu_mark_mmio_spte, |
| 164 | |
| 165 | TP_PROTO(u64 *sptep, gfn_t gfn, unsigned access, unsigned int gen), |
| 166 | TP_ARGS(sptep, gfn, access, gen), |
| 167 | |
| 168 | TP_FIELDS( |
| 169 | ctf_integer_hex(void *, sptep, sptep) |
| 170 | ctf_integer(gfn_t, gfn, gfn) |
| 171 | ctf_integer(unsigned, access, access) |
| 172 | ctf_integer(unsigned int, gen, gen) |
| 173 | ) |
| 174 | ) |
| 175 | #endif |
| 176 | |
| 177 | LTTNG_TRACEPOINT_EVENT_MAP( |
| 178 | handle_mmio_page_fault, |
| 179 | |
| 180 | kvm_mmu_handle_mmio_page_fault, |
| 181 | |
| 182 | TP_PROTO(u64 addr, gfn_t gfn, unsigned access), |
| 183 | TP_ARGS(addr, gfn, access), |
| 184 | |
| 185 | TP_FIELDS( |
| 186 | ctf_integer_hex(u64, addr, addr) |
| 187 | ctf_integer(gfn_t, gfn, gfn) |
| 188 | ctf_integer(unsigned, access, access) |
| 189 | ) |
| 190 | ) |
| 191 | |
| 192 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,16,0)) |
| 193 | LTTNG_TRACEPOINT_EVENT_MAP( |
| 194 | fast_page_fault, |
| 195 | |
| 196 | kvm_mmu_fast_page_fault, |
| 197 | |
| 198 | TP_PROTO(struct kvm_vcpu *vcpu, struct kvm_page_fault *fault, |
| 199 | u64 *sptep, u64 old_spte, int ret), |
| 200 | TP_ARGS(vcpu, fault, sptep, old_spte, ret), |
| 201 | |
| 202 | TP_FIELDS( |
| 203 | ctf_integer(int, vcpu_id, vcpu->vcpu_id) |
| 204 | ctf_integer(gpa_t, cr2_or_gpa, fault->addr) |
| 205 | ctf_integer(u32, error_code, fault->error_code) |
| 206 | ctf_integer_hex(u64 *, sptep, sptep) |
| 207 | ctf_integer(u64, old_spte, old_spte) |
| 208 | ctf_integer(u64, new_spte, *sptep) |
| 209 | ctf_integer(int, ret, ret) |
| 210 | ) |
| 211 | ) |
| 212 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,10,0) || \ |
| 213 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,305,0,0, 4,19,0,0,0,0)) |
| 214 | LTTNG_TRACEPOINT_EVENT_MAP( |
| 215 | fast_page_fault, |
| 216 | |
| 217 | kvm_mmu_fast_page_fault, |
| 218 | |
| 219 | TP_PROTO(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u32 error_code, |
| 220 | u64 *sptep, u64 old_spte, int ret), |
| 221 | TP_ARGS(vcpu, cr2_or_gpa, error_code, sptep, old_spte, ret), |
| 222 | |
| 223 | TP_FIELDS( |
| 224 | ctf_integer(int, vcpu_id, vcpu->vcpu_id) |
| 225 | ctf_integer(gpa_t, cr2_or_gpa, cr2_or_gpa) |
| 226 | ctf_integer(u32, error_code, error_code) |
| 227 | ctf_integer_hex(u64 *, sptep, sptep) |
| 228 | ctf_integer(u64, old_spte, old_spte) |
| 229 | ctf_integer(u64, new_spte, *sptep) |
| 230 | ctf_integer(int, ret, ret) |
| 231 | ) |
| 232 | ) |
| 233 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,6,0) || \ |
| 234 | LTTNG_KERNEL_RANGE(4,19,103, 4,20,0) || \ |
| 235 | LTTNG_KERNEL_RANGE(5,4,19, 5,5,0) || \ |
| 236 | LTTNG_KERNEL_RANGE(5,5,3, 5,6,0) || \ |
| 237 | LTTNG_UBUNTU_KERNEL_RANGE(4,15,18,92, 4,16,0,0) || \ |
| 238 | LTTNG_UBUNTU_KERNEL_RANGE(5,0,21,44, 5,1,0,0) || \ |
| 239 | LTTNG_UBUNTU_KERNEL_RANGE(5,3,18,43, 5,3,18,45) || \ |
| 240 | LTTNG_UBUNTU_KERNEL_RANGE(5,3,18,46, 5,4,0,0)) |
| 241 | LTTNG_TRACEPOINT_EVENT_MAP( |
| 242 | fast_page_fault, |
| 243 | |
| 244 | kvm_mmu_fast_page_fault, |
| 245 | |
| 246 | TP_PROTO(struct kvm_vcpu *vcpu, gpa_t cr2_or_gpa, u32 error_code, |
| 247 | u64 *sptep, u64 old_spte, bool retry), |
| 248 | TP_ARGS(vcpu, cr2_or_gpa, error_code, sptep, old_spte, retry), |
| 249 | |
| 250 | TP_FIELDS( |
| 251 | ctf_integer(int, vcpu_id, vcpu->vcpu_id) |
| 252 | ctf_integer(gpa_t, cr2_or_gpa, cr2_or_gpa) |
| 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 | #else |
| 261 | LTTNG_TRACEPOINT_EVENT_MAP( |
| 262 | fast_page_fault, |
| 263 | |
| 264 | kvm_mmu_fast_page_fault, |
| 265 | |
| 266 | TP_PROTO(struct kvm_vcpu *vcpu, gva_t gva, u32 error_code, |
| 267 | u64 *sptep, u64 old_spte, bool retry), |
| 268 | TP_ARGS(vcpu, gva, error_code, sptep, old_spte, retry), |
| 269 | |
| 270 | TP_FIELDS( |
| 271 | ctf_integer(int, vcpu_id, vcpu->vcpu_id) |
| 272 | ctf_integer(gva_t, gva, gva) |
| 273 | ctf_integer(u32, error_code, error_code) |
| 274 | ctf_integer_hex(u64 *, sptep, sptep) |
| 275 | ctf_integer(u64, old_spte, old_spte) |
| 276 | ctf_integer(u64, new_spte, *sptep) |
| 277 | ctf_integer(bool, retry, retry) |
| 278 | ) |
| 279 | ) |
| 280 | #endif |
| 281 | |
| 282 | #endif /* LTTNG_TRACE_KVM_MMU_H */ |
| 283 | |
| 284 | #undef TRACE_INCLUDE_PATH |
| 285 | #define TRACE_INCLUDE_PATH instrumentation/events/arch/x86/kvm |
| 286 | #undef TRACE_INCLUDE_FILE |
| 287 | #define TRACE_INCLUDE_FILE mmutrace |
| 288 | |
| 289 | /* This part must be outside protection */ |
| 290 | #include <lttng/define_trace.h> |