| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| 2 | #undef TRACE_SYSTEM |
| 3 | #define TRACE_SYSTEM kmem |
| 4 | |
| 5 | #if !defined(LTTNG_TRACE_KMEM_H) || defined(TRACE_HEADER_MULTI_READ) |
| 6 | #define LTTNG_TRACE_KMEM_H |
| 7 | |
| 8 | #include <lttng/tracepoint-event.h> |
| 9 | #include <linux/types.h> |
| 10 | #include <lttng/kernel-version.h> |
| 11 | |
| 12 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,0,0)) |
| 13 | #include <../../mm/slab.h> |
| 14 | #endif |
| 15 | |
| 16 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,1,0)) |
| 17 | LTTNG_TRACEPOINT_EVENT_MAP(kmalloc, |
| 18 | |
| 19 | kmem_kmalloc, |
| 20 | |
| 21 | TP_PROTO(unsigned long call_site, |
| 22 | const void *ptr, |
| 23 | size_t bytes_req, |
| 24 | size_t bytes_alloc, |
| 25 | gfp_t gfp_flags, |
| 26 | int node), |
| 27 | |
| 28 | TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node), |
| 29 | |
| 30 | TP_FIELDS( |
| 31 | ctf_integer_hex(unsigned long, call_site, call_site) |
| 32 | ctf_integer_hex(const void *, ptr, ptr) |
| 33 | ctf_integer(size_t, bytes_req, bytes_req) |
| 34 | ctf_integer(size_t, bytes_alloc, bytes_alloc) |
| 35 | ctf_integer(gfp_t, gfp_flags, gfp_flags) |
| 36 | ctf_integer(int, node, node) |
| 37 | ctf_integer(bool, accounted, (IS_ENABLED(CONFIG_MEMCG_KMEM) && |
| 38 | (gfp_flags & __GFP_ACCOUNT) ? true : false)) |
| 39 | ) |
| 40 | ) |
| 41 | |
| 42 | LTTNG_TRACEPOINT_EVENT(kmem_cache_alloc, |
| 43 | |
| 44 | TP_PROTO(unsigned long call_site, |
| 45 | const void *ptr, |
| 46 | struct kmem_cache *s, |
| 47 | gfp_t gfp_flags, |
| 48 | int node), |
| 49 | |
| 50 | TP_ARGS(call_site, ptr, s, gfp_flags, node), |
| 51 | |
| 52 | TP_FIELDS( |
| 53 | ctf_integer_hex(unsigned long, call_site, call_site) |
| 54 | ctf_integer_hex(const void *, ptr, ptr) |
| 55 | ctf_integer(size_t, bytes_req, s->object_size) |
| 56 | ctf_integer(size_t, bytes_alloc, s->size) |
| 57 | ctf_integer(gfp_t, gfp_flags, gfp_flags) |
| 58 | ctf_integer(int, node, node) |
| 59 | ctf_integer(bool, accounted, IS_ENABLED(CONFIG_MEMCG_KMEM) ? |
| 60 | ((gfp_flags & __GFP_ACCOUNT) || |
| 61 | (s->flags & SLAB_ACCOUNT)) : false) |
| 62 | ) |
| 63 | ) |
| 64 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,0,0)) |
| 65 | LTTNG_TRACEPOINT_EVENT_CLASS(kmem_alloc, |
| 66 | |
| 67 | TP_PROTO(unsigned long call_site, |
| 68 | const void *ptr, |
| 69 | struct kmem_cache *s, |
| 70 | size_t bytes_req, |
| 71 | size_t bytes_alloc, |
| 72 | gfp_t gfp_flags), |
| 73 | |
| 74 | TP_ARGS(call_site, ptr, s, bytes_req, bytes_alloc, gfp_flags), |
| 75 | |
| 76 | TP_FIELDS( |
| 77 | ctf_integer_hex(unsigned long, call_site, call_site) |
| 78 | ctf_integer_hex(const void *, ptr, ptr) |
| 79 | ctf_integer(size_t, bytes_req, bytes_req) |
| 80 | ctf_integer(size_t, bytes_alloc, bytes_alloc) |
| 81 | ctf_integer(gfp_t, gfp_flags, gfp_flags) |
| 82 | ctf_integer(bool, accounted, IS_ENABLED(CONFIG_MEMCG_KMEM) ? |
| 83 | ((gfp_flags & __GFP_ACCOUNT) || |
| 84 | (s && s->flags & SLAB_ACCOUNT)) : false) |
| 85 | ) |
| 86 | ) |
| 87 | |
| 88 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_alloc, kmalloc, |
| 89 | |
| 90 | kmem_kmalloc, |
| 91 | |
| 92 | TP_PROTO(unsigned long call_site, const void *ptr, struct kmem_cache *s, |
| 93 | size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags), |
| 94 | |
| 95 | TP_ARGS(call_site, ptr, s, bytes_req, bytes_alloc, gfp_flags) |
| 96 | ) |
| 97 | |
| 98 | LTTNG_TRACEPOINT_EVENT_INSTANCE(kmem_alloc, kmem_cache_alloc, |
| 99 | |
| 100 | TP_PROTO(unsigned long call_site, const void *ptr, struct kmem_cache *s, |
| 101 | size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags), |
| 102 | |
| 103 | TP_ARGS(call_site, ptr, s, bytes_req, bytes_alloc, gfp_flags) |
| 104 | ) |
| 105 | #else |
| 106 | LTTNG_TRACEPOINT_EVENT_CLASS(kmem_alloc, |
| 107 | |
| 108 | TP_PROTO(unsigned long call_site, |
| 109 | const void *ptr, |
| 110 | size_t bytes_req, |
| 111 | size_t bytes_alloc, |
| 112 | gfp_t gfp_flags), |
| 113 | |
| 114 | TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags), |
| 115 | |
| 116 | TP_FIELDS( |
| 117 | ctf_integer_hex(unsigned long, call_site, call_site) |
| 118 | ctf_integer_hex(const void *, ptr, ptr) |
| 119 | ctf_integer(size_t, bytes_req, bytes_req) |
| 120 | ctf_integer(size_t, bytes_alloc, bytes_alloc) |
| 121 | ctf_integer(gfp_t, gfp_flags, gfp_flags) |
| 122 | ) |
| 123 | ) |
| 124 | |
| 125 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_alloc, kmalloc, |
| 126 | |
| 127 | kmem_kmalloc, |
| 128 | |
| 129 | TP_PROTO(unsigned long call_site, const void *ptr, |
| 130 | size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags), |
| 131 | |
| 132 | TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags) |
| 133 | ) |
| 134 | |
| 135 | LTTNG_TRACEPOINT_EVENT_INSTANCE(kmem_alloc, kmem_cache_alloc, |
| 136 | |
| 137 | TP_PROTO(unsigned long call_site, const void *ptr, |
| 138 | size_t bytes_req, size_t bytes_alloc, gfp_t gfp_flags), |
| 139 | |
| 140 | TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags) |
| 141 | ) |
| 142 | #endif |
| 143 | |
| 144 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,0,0)) |
| 145 | LTTNG_TRACEPOINT_EVENT_CLASS(kmem_alloc_node, |
| 146 | |
| 147 | TP_PROTO(unsigned long call_site, |
| 148 | const void *ptr, |
| 149 | struct kmem_cache *s, |
| 150 | size_t bytes_req, |
| 151 | size_t bytes_alloc, |
| 152 | gfp_t gfp_flags, |
| 153 | int node), |
| 154 | |
| 155 | TP_ARGS(call_site, ptr, s, bytes_req, bytes_alloc, gfp_flags, node), |
| 156 | |
| 157 | TP_FIELDS( |
| 158 | ctf_integer_hex(unsigned long, call_site, call_site) |
| 159 | ctf_integer_hex(const void *, ptr, ptr) |
| 160 | ctf_integer(size_t, bytes_req, bytes_req) |
| 161 | ctf_integer(size_t, bytes_alloc, bytes_alloc) |
| 162 | ctf_integer(gfp_t, gfp_flags, gfp_flags) |
| 163 | ctf_integer(int, node, node) |
| 164 | ctf_integer(bool, accounted, IS_ENABLED(CONFIG_MEMCG_KMEM) ? |
| 165 | ((gfp_flags & __GFP_ACCOUNT) || |
| 166 | (s && s->flags & SLAB_ACCOUNT)) : false) |
| 167 | ) |
| 168 | ) |
| 169 | |
| 170 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_alloc_node, kmalloc_node, |
| 171 | |
| 172 | kmem_kmalloc_node, |
| 173 | |
| 174 | TP_PROTO(unsigned long call_site, const void *ptr, |
| 175 | struct kmem_cache *s, size_t bytes_req, size_t bytes_alloc, |
| 176 | gfp_t gfp_flags, int node), |
| 177 | |
| 178 | TP_ARGS(call_site, ptr, s, bytes_req, bytes_alloc, gfp_flags, node) |
| 179 | ) |
| 180 | |
| 181 | LTTNG_TRACEPOINT_EVENT_INSTANCE(kmem_alloc_node, kmem_cache_alloc_node, |
| 182 | |
| 183 | TP_PROTO(unsigned long call_site, const void *ptr, |
| 184 | struct kmem_cache *s, size_t bytes_req, size_t bytes_alloc, |
| 185 | gfp_t gfp_flags, int node), |
| 186 | |
| 187 | TP_ARGS(call_site, ptr, s, bytes_req, bytes_alloc, gfp_flags, node) |
| 188 | ) |
| 189 | #else |
| 190 | LTTNG_TRACEPOINT_EVENT_CLASS(kmem_alloc_node, |
| 191 | |
| 192 | TP_PROTO(unsigned long call_site, |
| 193 | const void *ptr, |
| 194 | size_t bytes_req, |
| 195 | size_t bytes_alloc, |
| 196 | gfp_t gfp_flags, |
| 197 | int node), |
| 198 | |
| 199 | TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node), |
| 200 | |
| 201 | TP_FIELDS( |
| 202 | ctf_integer_hex(unsigned long, call_site, call_site) |
| 203 | ctf_integer_hex(const void *, ptr, ptr) |
| 204 | ctf_integer(size_t, bytes_req, bytes_req) |
| 205 | ctf_integer(size_t, bytes_alloc, bytes_alloc) |
| 206 | ctf_integer(gfp_t, gfp_flags, gfp_flags) |
| 207 | ctf_integer(int, node, node) |
| 208 | ) |
| 209 | ) |
| 210 | |
| 211 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_alloc_node, kmalloc_node, |
| 212 | |
| 213 | kmem_kmalloc_node, |
| 214 | |
| 215 | TP_PROTO(unsigned long call_site, const void *ptr, |
| 216 | size_t bytes_req, size_t bytes_alloc, |
| 217 | gfp_t gfp_flags, int node), |
| 218 | |
| 219 | TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node) |
| 220 | ) |
| 221 | |
| 222 | LTTNG_TRACEPOINT_EVENT_INSTANCE(kmem_alloc_node, kmem_cache_alloc_node, |
| 223 | |
| 224 | TP_PROTO(unsigned long call_site, const void *ptr, |
| 225 | size_t bytes_req, size_t bytes_alloc, |
| 226 | gfp_t gfp_flags, int node), |
| 227 | |
| 228 | TP_ARGS(call_site, ptr, bytes_req, bytes_alloc, gfp_flags, node) |
| 229 | ) |
| 230 | #endif |
| 231 | |
| 232 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,12,0) || \ |
| 233 | LTTNG_RHEL_KERNEL_RANGE(4,18,0,372,0,0, 4,19,0,0,0,0)) |
| 234 | LTTNG_TRACEPOINT_EVENT_MAP(kfree, |
| 235 | |
| 236 | kmem_kfree, |
| 237 | |
| 238 | TP_PROTO(unsigned long call_site, const void *ptr), |
| 239 | |
| 240 | TP_ARGS(call_site, ptr), |
| 241 | |
| 242 | TP_FIELDS( |
| 243 | ctf_integer_hex(unsigned long, call_site, call_site) |
| 244 | ctf_integer_hex(const void *, ptr, ptr) |
| 245 | ) |
| 246 | ) |
| 247 | #else |
| 248 | LTTNG_TRACEPOINT_EVENT_CLASS(kmem_free, |
| 249 | |
| 250 | TP_PROTO(unsigned long call_site, const void *ptr), |
| 251 | |
| 252 | TP_ARGS(call_site, ptr), |
| 253 | |
| 254 | TP_FIELDS( |
| 255 | ctf_integer_hex(unsigned long, call_site, call_site) |
| 256 | ctf_integer_hex(const void *, ptr, ptr) |
| 257 | ) |
| 258 | ) |
| 259 | |
| 260 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_free, kfree, |
| 261 | |
| 262 | kmem_kfree, |
| 263 | |
| 264 | TP_PROTO(unsigned long call_site, const void *ptr), |
| 265 | |
| 266 | TP_ARGS(call_site, ptr) |
| 267 | ) |
| 268 | |
| 269 | LTTNG_TRACEPOINT_EVENT_INSTANCE(kmem_free, kmem_cache_free, |
| 270 | |
| 271 | TP_PROTO(unsigned long call_site, const void *ptr), |
| 272 | |
| 273 | TP_ARGS(call_site, ptr) |
| 274 | ) |
| 275 | #endif |
| 276 | |
| 277 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,1,0)) |
| 278 | LTTNG_TRACEPOINT_EVENT(kmem_cache_free, |
| 279 | |
| 280 | TP_PROTO(unsigned long call_site, const void *ptr, const struct kmem_cache *s), |
| 281 | |
| 282 | TP_ARGS(call_site, ptr, s), |
| 283 | |
| 284 | TP_FIELDS( |
| 285 | ctf_integer_hex(unsigned long, call_site, call_site) |
| 286 | ctf_integer_hex(const void *, ptr, ptr) |
| 287 | ctf_string(name, s->name) |
| 288 | ) |
| 289 | ) |
| 290 | #elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,12,0)) |
| 291 | LTTNG_TRACEPOINT_EVENT(kmem_cache_free, |
| 292 | |
| 293 | TP_PROTO(unsigned long call_site, const void *ptr, const char *name), |
| 294 | |
| 295 | TP_ARGS(call_site, ptr, name), |
| 296 | |
| 297 | TP_FIELDS( |
| 298 | ctf_integer_hex(unsigned long, call_site, call_site) |
| 299 | ctf_integer_hex(const void *, ptr, ptr) |
| 300 | ctf_string(name, name) |
| 301 | ) |
| 302 | ) |
| 303 | #endif |
| 304 | |
| 305 | LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free, kmem_mm_page_free, |
| 306 | |
| 307 | TP_PROTO(struct page *page, unsigned int order), |
| 308 | |
| 309 | TP_ARGS(page, order), |
| 310 | |
| 311 | TP_FIELDS( |
| 312 | ctf_integer_hex(struct page *, page, page) |
| 313 | ctf_integer(unsigned long, pfn, page_to_pfn(page)) |
| 314 | ctf_integer(unsigned int, order, order) |
| 315 | ) |
| 316 | ) |
| 317 | |
| 318 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,15,0)) |
| 319 | LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free_batched, kmem_mm_page_free_batched, |
| 320 | |
| 321 | TP_PROTO(struct page *page), |
| 322 | |
| 323 | TP_ARGS(page), |
| 324 | |
| 325 | TP_FIELDS( |
| 326 | ctf_integer_hex(struct page *, page, page) |
| 327 | ctf_integer(unsigned long, pfn, page_to_pfn(page)) |
| 328 | ) |
| 329 | ) |
| 330 | #else |
| 331 | LTTNG_TRACEPOINT_EVENT_MAP(mm_page_free_batched, kmem_mm_page_free_batched, |
| 332 | |
| 333 | TP_PROTO(struct page *page, int cold), |
| 334 | |
| 335 | TP_ARGS(page, cold), |
| 336 | |
| 337 | TP_FIELDS( |
| 338 | ctf_integer_hex(struct page *, page, page) |
| 339 | ctf_integer(unsigned long, pfn, page_to_pfn(page)) |
| 340 | ctf_integer(int, cold, cold) |
| 341 | ) |
| 342 | ) |
| 343 | #endif |
| 344 | |
| 345 | LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc, kmem_mm_page_alloc, |
| 346 | |
| 347 | TP_PROTO(struct page *page, unsigned int order, |
| 348 | gfp_t gfp_flags, int migratetype), |
| 349 | |
| 350 | TP_ARGS(page, order, gfp_flags, migratetype), |
| 351 | |
| 352 | TP_FIELDS( |
| 353 | ctf_integer_hex(struct page *, page, page) |
| 354 | ctf_integer(unsigned long, pfn, |
| 355 | page ? page_to_pfn(page) : -1UL) |
| 356 | ctf_integer(unsigned int, order, order) |
| 357 | ctf_integer(gfp_t, gfp_flags, gfp_flags) |
| 358 | ctf_integer(int, migratetype, migratetype) |
| 359 | ) |
| 360 | ) |
| 361 | |
| 362 | #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,19,0)) |
| 363 | LTTNG_TRACEPOINT_EVENT_CLASS(kmem_mm_page, |
| 364 | |
| 365 | TP_PROTO(struct page *page, unsigned int order, int migratetype, |
| 366 | int percpu_refill), |
| 367 | |
| 368 | TP_ARGS(page, order, migratetype, percpu_refill), |
| 369 | |
| 370 | TP_FIELDS( |
| 371 | ctf_integer_hex(struct page *, page, page) |
| 372 | ctf_integer(unsigned long, pfn, |
| 373 | page ? page_to_pfn(page) : -1UL) |
| 374 | ctf_integer(unsigned int, order, order) |
| 375 | ctf_integer(int, migratetype, migratetype) |
| 376 | ctf_integer(int, percpu_refill, percpu_refill) |
| 377 | ) |
| 378 | ) |
| 379 | |
| 380 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_mm_page, mm_page_alloc_zone_locked, |
| 381 | |
| 382 | kmem_mm_page_alloc_zone_locked, |
| 383 | |
| 384 | TP_PROTO(struct page *page, unsigned int order, int migratetype, |
| 385 | int percpu_refill), |
| 386 | |
| 387 | TP_ARGS(page, order, migratetype, percpu_refill) |
| 388 | ) |
| 389 | |
| 390 | LTTNG_TRACEPOINT_EVENT_MAP(mm_page_pcpu_drain, |
| 391 | |
| 392 | kmem_mm_page_pcpu_drain, |
| 393 | |
| 394 | TP_PROTO(struct page *page, unsigned int order, int migratetype), |
| 395 | |
| 396 | TP_ARGS(page, order, migratetype), |
| 397 | |
| 398 | TP_FIELDS( |
| 399 | ctf_integer(unsigned long, pfn, |
| 400 | page ? page_to_pfn(page) : -1UL) |
| 401 | ctf_integer(unsigned int, order, order) |
| 402 | ctf_integer(int, migratetype, migratetype) |
| 403 | ) |
| 404 | ) |
| 405 | #else |
| 406 | LTTNG_TRACEPOINT_EVENT_CLASS(kmem_mm_page, |
| 407 | |
| 408 | TP_PROTO(struct page *page, unsigned int order, int migratetype), |
| 409 | |
| 410 | TP_ARGS(page, order, migratetype), |
| 411 | |
| 412 | TP_FIELDS( |
| 413 | ctf_integer_hex(struct page *, page, page) |
| 414 | ctf_integer(unsigned long, pfn, |
| 415 | page ? page_to_pfn(page) : -1UL) |
| 416 | ctf_integer(unsigned int, order, order) |
| 417 | ctf_integer(int, migratetype, migratetype) |
| 418 | ) |
| 419 | ) |
| 420 | |
| 421 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_mm_page, mm_page_alloc_zone_locked, |
| 422 | |
| 423 | kmem_mm_page_alloc_zone_locked, |
| 424 | |
| 425 | TP_PROTO(struct page *page, unsigned int order, int migratetype), |
| 426 | |
| 427 | TP_ARGS(page, order, migratetype) |
| 428 | ) |
| 429 | |
| 430 | LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(kmem_mm_page, mm_page_pcpu_drain, |
| 431 | |
| 432 | kmem_mm_page_pcpu_drain, |
| 433 | |
| 434 | TP_PROTO(struct page *page, unsigned int order, int migratetype), |
| 435 | |
| 436 | TP_ARGS(page, order, migratetype) |
| 437 | ) |
| 438 | #endif |
| 439 | |
| 440 | LTTNG_TRACEPOINT_EVENT_MAP(mm_page_alloc_extfrag, |
| 441 | |
| 442 | kmem_mm_page_alloc_extfrag, |
| 443 | |
| 444 | TP_PROTO(struct page *page, |
| 445 | int alloc_order, int fallback_order, |
| 446 | int alloc_migratetype, int fallback_migratetype), |
| 447 | |
| 448 | TP_ARGS(page, |
| 449 | alloc_order, fallback_order, |
| 450 | alloc_migratetype, fallback_migratetype), |
| 451 | |
| 452 | TP_FIELDS( |
| 453 | ctf_integer_hex(struct page *, page, page) |
| 454 | ctf_integer(unsigned long, pfn, page_to_pfn(page)) |
| 455 | ctf_integer(int, alloc_order, alloc_order) |
| 456 | ctf_integer(int, fallback_order, fallback_order) |
| 457 | ctf_integer(int, alloc_migratetype, alloc_migratetype) |
| 458 | ctf_integer(int, fallback_migratetype, fallback_migratetype) |
| 459 | ctf_integer(int, change_ownership, |
| 460 | (alloc_migratetype == get_pageblock_migratetype(page))) |
| 461 | ) |
| 462 | ) |
| 463 | |
| 464 | #endif /* LTTNG_TRACE_KMEM_H */ |
| 465 | |
| 466 | /* This part must be outside protection */ |
| 467 | #include <lttng/define_trace.h> |