1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #undef TRACE_SYSTEM 3 #define TRACE_SYSTEM xen 4 5 #if !defined(_TRACE_XEN_H) || defined(TRACE_HEADER_MULTI_READ) 6 #define _TRACE_XEN_H 7 8 #include <linux/tracepoint.h> 9 #include <asm/paravirt_types.h> 10 #include <asm/xen/trace_types.h> 11 12 struct multicall_entry; 13 14 /* Multicalls */ 15 DECLARE_EVENT_CLASS(xen_mc__batch, 16 TP_PROTO(enum paravirt_lazy_mode mode), 17 TP_ARGS(mode), 18 TP_STRUCT__entry( 19 __field(enum paravirt_lazy_mode, mode) 20 ), 21 TP_fast_assign(__entry->mode = mode), 22 TP_printk("start batch LAZY_%s", 23 (__entry->mode == PARAVIRT_LAZY_MMU) ? "MMU" : 24 (__entry->mode == PARAVIRT_LAZY_CPU) ? "CPU" : "NONE") 25 ); 26 #define DEFINE_XEN_MC_BATCH(name) \ 27 DEFINE_EVENT(xen_mc__batch, name, \ 28 TP_PROTO(enum paravirt_lazy_mode mode), \ 29 TP_ARGS(mode)) 30 31 DEFINE_XEN_MC_BATCH(xen_mc_batch); 32 DEFINE_XEN_MC_BATCH(xen_mc_issue); 33 34 TRACE_DEFINE_SIZEOF(ulong); 35 36 TRACE_EVENT(xen_mc_entry, 37 TP_PROTO(struct multicall_entry *mc, unsigned nargs), 38 TP_ARGS(mc, nargs), 39 TP_STRUCT__entry( 40 __field(unsigned int, op) 41 __field(unsigned int, nargs) 42 __array(unsigned long, args, 6) 43 ), 44 TP_fast_assign(__entry->op = mc->op; 45 __entry->nargs = nargs; 46 memcpy(__entry->args, mc->args, sizeof(ulong) * nargs); 47 memset(__entry->args + nargs, 0, sizeof(ulong) * (6 - nargs)); 48 ), 49 TP_printk("op %u%s args [%lx, %lx, %lx, %lx, %lx, %lx]", 50 __entry->op, xen_hypercall_name(__entry->op), 51 __entry->args[0], __entry->args[1], __entry->args[2], 52 __entry->args[3], __entry->args[4], __entry->args[5]) 53 ); 54 55 TRACE_EVENT(xen_mc_entry_alloc, 56 TP_PROTO(size_t args), 57 TP_ARGS(args), 58 TP_STRUCT__entry( 59 __field(size_t, args) 60 ), 61 TP_fast_assign(__entry->args = args), 62 TP_printk("alloc entry %zu arg bytes", __entry->args) 63 ); 64 65 TRACE_EVENT(xen_mc_callback, 66 TP_PROTO(xen_mc_callback_fn_t fn, void *data), 67 TP_ARGS(fn, data), 68 TP_STRUCT__entry( 69 __field(xen_mc_callback_fn_t, fn) 70 __field(void *, data) 71 ), 72 TP_fast_assign( 73 __entry->fn = fn; 74 __entry->data = data; 75 ), 76 TP_printk("callback %ps, data %p", 77 __entry->fn, __entry->data) 78 ); 79 80 TRACE_EVENT(xen_mc_flush_reason, 81 TP_PROTO(enum xen_mc_flush_reason reason), 82 TP_ARGS(reason), 83 TP_STRUCT__entry( 84 __field(enum xen_mc_flush_reason, reason) 85 ), 86 TP_fast_assign(__entry->reason = reason), 87 TP_printk("flush reason %s", 88 (__entry->reason == XEN_MC_FL_NONE) ? "NONE" : 89 (__entry->reason == XEN_MC_FL_BATCH) ? "BATCH" : 90 (__entry->reason == XEN_MC_FL_ARGS) ? "ARGS" : 91 (__entry->reason == XEN_MC_FL_CALLBACK) ? "CALLBACK" : "??") 92 ); 93 94 TRACE_EVENT(xen_mc_flush, 95 TP_PROTO(unsigned mcidx, unsigned argidx, unsigned cbidx), 96 TP_ARGS(mcidx, argidx, cbidx), 97 TP_STRUCT__entry( 98 __field(unsigned, mcidx) 99 __field(unsigned, argidx) 100 __field(unsigned, cbidx) 101 ), 102 TP_fast_assign(__entry->mcidx = mcidx; 103 __entry->argidx = argidx; 104 __entry->cbidx = cbidx), 105 TP_printk("flushing %u hypercalls, %u arg bytes, %u callbacks", 106 __entry->mcidx, __entry->argidx, __entry->cbidx) 107 ); 108 109 TRACE_EVENT(xen_mc_extend_args, 110 TP_PROTO(unsigned long op, size_t args, enum xen_mc_extend_args res), 111 TP_ARGS(op, args, res), 112 TP_STRUCT__entry( 113 __field(unsigned int, op) 114 __field(size_t, args) 115 __field(enum xen_mc_extend_args, res) 116 ), 117 TP_fast_assign(__entry->op = op; 118 __entry->args = args; 119 __entry->res = res), 120 TP_printk("extending op %u%s by %zu bytes res %s", 121 __entry->op, xen_hypercall_name(__entry->op), 122 __entry->args, 123 __entry->res == XEN_MC_XE_OK ? "OK" : 124 __entry->res == XEN_MC_XE_BAD_OP ? "BAD_OP" : 125 __entry->res == XEN_MC_XE_NO_SPACE ? "NO_SPACE" : "???") 126 ); 127 128 TRACE_DEFINE_SIZEOF(pteval_t); 129 /* mmu */ 130 DECLARE_EVENT_CLASS(xen_mmu__set_pte, 131 TP_PROTO(pte_t *ptep, pte_t pteval), 132 TP_ARGS(ptep, pteval), 133 TP_STRUCT__entry( 134 __field(pte_t *, ptep) 135 __field(pteval_t, pteval) 136 ), 137 TP_fast_assign(__entry->ptep = ptep; 138 __entry->pteval = pteval.pte), 139 TP_printk("ptep %p pteval %0*llx (raw %0*llx)", 140 __entry->ptep, 141 (int)sizeof(pteval_t) * 2, (unsigned long long)pte_val(native_make_pte(__entry->pteval)), 142 (int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval) 143 ); 144 145 #define DEFINE_XEN_MMU_SET_PTE(name) \ 146 DEFINE_EVENT(xen_mmu__set_pte, name, \ 147 TP_PROTO(pte_t *ptep, pte_t pteval), \ 148 TP_ARGS(ptep, pteval)) 149 150 DEFINE_XEN_MMU_SET_PTE(xen_mmu_set_pte); 151 152 TRACE_EVENT(xen_mmu_set_pte_at, 153 TP_PROTO(struct mm_struct *mm, unsigned long addr, 154 pte_t *ptep, pte_t pteval), 155 TP_ARGS(mm, addr, ptep, pteval), 156 TP_STRUCT__entry( 157 __field(struct mm_struct *, mm) 158 __field(unsigned long, addr) 159 __field(pte_t *, ptep) 160 __field(pteval_t, pteval) 161 ), 162 TP_fast_assign(__entry->mm = mm; 163 __entry->addr = addr; 164 __entry->ptep = ptep; 165 __entry->pteval = pteval.pte), 166 TP_printk("mm %p addr %lx ptep %p pteval %0*llx (raw %0*llx)", 167 __entry->mm, __entry->addr, __entry->ptep, 168 (int)sizeof(pteval_t) * 2, (unsigned long long)pte_val(native_make_pte(__entry->pteval)), 169 (int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval) 170 ); 171 172 TRACE_DEFINE_SIZEOF(pmdval_t); 173 174 TRACE_EVENT(xen_mmu_set_pmd, 175 TP_PROTO(pmd_t *pmdp, pmd_t pmdval), 176 TP_ARGS(pmdp, pmdval), 177 TP_STRUCT__entry( 178 __field(pmd_t *, pmdp) 179 __field(pmdval_t, pmdval) 180 ), 181 TP_fast_assign(__entry->pmdp = pmdp; 182 __entry->pmdval = pmdval.pmd), 183 TP_printk("pmdp %p pmdval %0*llx (raw %0*llx)", 184 __entry->pmdp, 185 (int)sizeof(pmdval_t) * 2, (unsigned long long)pmd_val(native_make_pmd(__entry->pmdval)), 186 (int)sizeof(pmdval_t) * 2, (unsigned long long)__entry->pmdval) 187 ); 188 189 #ifdef CONFIG_X86_PAE 190 DEFINE_XEN_MMU_SET_PTE(xen_mmu_set_pte_atomic); 191 192 TRACE_EVENT(xen_mmu_pte_clear, 193 TP_PROTO(struct mm_struct *mm, unsigned long addr, pte_t *ptep), 194 TP_ARGS(mm, addr, ptep), 195 TP_STRUCT__entry( 196 __field(struct mm_struct *, mm) 197 __field(unsigned long, addr) 198 __field(pte_t *, ptep) 199 ), 200 TP_fast_assign(__entry->mm = mm; 201 __entry->addr = addr; 202 __entry->ptep = ptep), 203 TP_printk("mm %p addr %lx ptep %p", 204 __entry->mm, __entry->addr, __entry->ptep) 205 ); 206 207 TRACE_EVENT(xen_mmu_pmd_clear, 208 TP_PROTO(pmd_t *pmdp), 209 TP_ARGS(pmdp), 210 TP_STRUCT__entry( 211 __field(pmd_t *, pmdp) 212 ), 213 TP_fast_assign(__entry->pmdp = pmdp), 214 TP_printk("pmdp %p", __entry->pmdp) 215 ); 216 #endif 217 218 #if CONFIG_PGTABLE_LEVELS >= 4 219 220 TRACE_DEFINE_SIZEOF(pudval_t); 221 222 TRACE_EVENT(xen_mmu_set_pud, 223 TP_PROTO(pud_t *pudp, pud_t pudval), 224 TP_ARGS(pudp, pudval), 225 TP_STRUCT__entry( 226 __field(pud_t *, pudp) 227 __field(pudval_t, pudval) 228 ), 229 TP_fast_assign(__entry->pudp = pudp; 230 __entry->pudval = native_pud_val(pudval)), 231 TP_printk("pudp %p pudval %0*llx (raw %0*llx)", 232 __entry->pudp, 233 (int)sizeof(pudval_t) * 2, (unsigned long long)pud_val(native_make_pud(__entry->pudval)), 234 (int)sizeof(pudval_t) * 2, (unsigned long long)__entry->pudval) 235 ); 236 237 TRACE_DEFINE_SIZEOF(p4dval_t); 238 239 TRACE_EVENT(xen_mmu_set_p4d, 240 TP_PROTO(p4d_t *p4dp, p4d_t *user_p4dp, p4d_t p4dval), 241 TP_ARGS(p4dp, user_p4dp, p4dval), 242 TP_STRUCT__entry( 243 __field(p4d_t *, p4dp) 244 __field(p4d_t *, user_p4dp) 245 __field(p4dval_t, p4dval) 246 ), 247 TP_fast_assign(__entry->p4dp = p4dp; 248 __entry->user_p4dp = user_p4dp; 249 __entry->p4dval = p4d_val(p4dval)), 250 TP_printk("p4dp %p user_p4dp %p p4dval %0*llx (raw %0*llx)", 251 __entry->p4dp, __entry->user_p4dp, 252 (int)sizeof(p4dval_t) * 2, (unsigned long long)pgd_val(native_make_pgd(__entry->p4dval)), 253 (int)sizeof(p4dval_t) * 2, (unsigned long long)__entry->p4dval) 254 ); 255 #else 256 257 TRACE_EVENT(xen_mmu_set_pud, 258 TP_PROTO(pud_t *pudp, pud_t pudval), 259 TP_ARGS(pudp, pudval), 260 TP_STRUCT__entry( 261 __field(pud_t *, pudp) 262 __field(pudval_t, pudval) 263 ), 264 TP_fast_assign(__entry->pudp = pudp; 265 __entry->pudval = native_pud_val(pudval)), 266 TP_printk("pudp %p pudval %0*llx (raw %0*llx)", 267 __entry->pudp, 268 (int)sizeof(pudval_t) * 2, (unsigned long long)pgd_val(native_make_pgd(__entry->pudval)), 269 (int)sizeof(pudval_t) * 2, (unsigned long long)__entry->pudval) 270 ); 271 272 #endif 273 274 DECLARE_EVENT_CLASS(xen_mmu_ptep_modify_prot, 275 TP_PROTO(struct mm_struct *mm, unsigned long addr, 276 pte_t *ptep, pte_t pteval), 277 TP_ARGS(mm, addr, ptep, pteval), 278 TP_STRUCT__entry( 279 __field(struct mm_struct *, mm) 280 __field(unsigned long, addr) 281 __field(pte_t *, ptep) 282 __field(pteval_t, pteval) 283 ), 284 TP_fast_assign(__entry->mm = mm; 285 __entry->addr = addr; 286 __entry->ptep = ptep; 287 __entry->pteval = pteval.pte), 288 TP_printk("mm %p addr %lx ptep %p pteval %0*llx (raw %0*llx)", 289 __entry->mm, __entry->addr, __entry->ptep, 290 (int)sizeof(pteval_t) * 2, (unsigned long long)pte_val(native_make_pte(__entry->pteval)), 291 (int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval) 292 ); 293 #define DEFINE_XEN_MMU_PTEP_MODIFY_PROT(name) \ 294 DEFINE_EVENT(xen_mmu_ptep_modify_prot, name, \ 295 TP_PROTO(struct mm_struct *mm, unsigned long addr, \ 296 pte_t *ptep, pte_t pteval), \ 297 TP_ARGS(mm, addr, ptep, pteval)) 298 299 DEFINE_XEN_MMU_PTEP_MODIFY_PROT(xen_mmu_ptep_modify_prot_start); 300 DEFINE_XEN_MMU_PTEP_MODIFY_PROT(xen_mmu_ptep_modify_prot_commit); 301 302 TRACE_EVENT(xen_mmu_alloc_ptpage, 303 TP_PROTO(struct mm_struct *mm, unsigned long pfn, unsigned level, bool pinned), 304 TP_ARGS(mm, pfn, level, pinned), 305 TP_STRUCT__entry( 306 __field(struct mm_struct *, mm) 307 __field(unsigned long, pfn) 308 __field(unsigned, level) 309 __field(bool, pinned) 310 ), 311 TP_fast_assign(__entry->mm = mm; 312 __entry->pfn = pfn; 313 __entry->level = level; 314 __entry->pinned = pinned), 315 TP_printk("mm %p pfn %lx level %d %spinned", 316 __entry->mm, __entry->pfn, __entry->level, 317 __entry->pinned ? "" : "un") 318 ); 319 320 TRACE_EVENT(xen_mmu_release_ptpage, 321 TP_PROTO(unsigned long pfn, unsigned level, bool pinned), 322 TP_ARGS(pfn, level, pinned), 323 TP_STRUCT__entry( 324 __field(unsigned long, pfn) 325 __field(unsigned, level) 326 __field(bool, pinned) 327 ), 328 TP_fast_assign(__entry->pfn = pfn; 329 __entry->level = level; 330 __entry->pinned = pinned), 331 TP_printk("pfn %lx level %d %spinned", 332 __entry->pfn, __entry->level, 333 __entry->pinned ? "" : "un") 334 ); 335 336 DECLARE_EVENT_CLASS(xen_mmu_pgd, 337 TP_PROTO(struct mm_struct *mm, pgd_t *pgd), 338 TP_ARGS(mm, pgd), 339 TP_STRUCT__entry( 340 __field(struct mm_struct *, mm) 341 __field(pgd_t *, pgd) 342 ), 343 TP_fast_assign(__entry->mm = mm; 344 __entry->pgd = pgd), 345 TP_printk("mm %p pgd %p", __entry->mm, __entry->pgd) 346 ); 347 #define DEFINE_XEN_MMU_PGD_EVENT(name) \ 348 DEFINE_EVENT(xen_mmu_pgd, name, \ 349 TP_PROTO(struct mm_struct *mm, pgd_t *pgd), \ 350 TP_ARGS(mm, pgd)) 351 352 DEFINE_XEN_MMU_PGD_EVENT(xen_mmu_pgd_pin); 353 DEFINE_XEN_MMU_PGD_EVENT(xen_mmu_pgd_unpin); 354 355 TRACE_EVENT(xen_mmu_flush_tlb_one_user, 356 TP_PROTO(unsigned long addr), 357 TP_ARGS(addr), 358 TP_STRUCT__entry( 359 __field(unsigned long, addr) 360 ), 361 TP_fast_assign(__entry->addr = addr), 362 TP_printk("addr %lx", __entry->addr) 363 ); 364 365 TRACE_EVENT(xen_mmu_flush_tlb_others, 366 TP_PROTO(const struct cpumask *cpus, struct mm_struct *mm, 367 unsigned long addr, unsigned long end), 368 TP_ARGS(cpus, mm, addr, end), 369 TP_STRUCT__entry( 370 __field(unsigned, ncpus) 371 __field(struct mm_struct *, mm) 372 __field(unsigned long, addr) 373 __field(unsigned long, end) 374 ), 375 TP_fast_assign(__entry->ncpus = cpumask_weight(cpus); 376 __entry->mm = mm; 377 __entry->addr = addr, 378 __entry->end = end), 379 TP_printk("ncpus %d mm %p addr %lx, end %lx", 380 __entry->ncpus, __entry->mm, __entry->addr, __entry->end) 381 ); 382 383 TRACE_EVENT(xen_mmu_write_cr3, 384 TP_PROTO(bool kernel, unsigned long cr3), 385 TP_ARGS(kernel, cr3), 386 TP_STRUCT__entry( 387 __field(bool, kernel) 388 __field(unsigned long, cr3) 389 ), 390 TP_fast_assign(__entry->kernel = kernel; 391 __entry->cr3 = cr3), 392 TP_printk("%s cr3 %lx", 393 __entry->kernel ? "kernel" : "user", __entry->cr3) 394 ); 395 396 397 /* CPU */ 398 TRACE_EVENT(xen_cpu_write_ldt_entry, 399 TP_PROTO(struct desc_struct *dt, int entrynum, u64 desc), 400 TP_ARGS(dt, entrynum, desc), 401 TP_STRUCT__entry( 402 __field(struct desc_struct *, dt) 403 __field(int, entrynum) 404 __field(u64, desc) 405 ), 406 TP_fast_assign(__entry->dt = dt; 407 __entry->entrynum = entrynum; 408 __entry->desc = desc; 409 ), 410 TP_printk("dt %p entrynum %d entry %016llx", 411 __entry->dt, __entry->entrynum, 412 (unsigned long long)__entry->desc) 413 ); 414 415 TRACE_EVENT(xen_cpu_write_idt_entry, 416 TP_PROTO(gate_desc *dt, int entrynum, const gate_desc *ent), 417 TP_ARGS(dt, entrynum, ent), 418 TP_STRUCT__entry( 419 __field(gate_desc *, dt) 420 __field(int, entrynum) 421 ), 422 TP_fast_assign(__entry->dt = dt; 423 __entry->entrynum = entrynum; 424 ), 425 TP_printk("dt %p entrynum %d", 426 __entry->dt, __entry->entrynum) 427 ); 428 429 TRACE_EVENT(xen_cpu_load_idt, 430 TP_PROTO(const struct desc_ptr *desc), 431 TP_ARGS(desc), 432 TP_STRUCT__entry( 433 __field(unsigned long, addr) 434 ), 435 TP_fast_assign(__entry->addr = desc->address), 436 TP_printk("addr %lx", __entry->addr) 437 ); 438 439 TRACE_EVENT(xen_cpu_write_gdt_entry, 440 TP_PROTO(struct desc_struct *dt, int entrynum, const void *desc, int type), 441 TP_ARGS(dt, entrynum, desc, type), 442 TP_STRUCT__entry( 443 __field(u64, desc) 444 __field(struct desc_struct *, dt) 445 __field(int, entrynum) 446 __field(int, type) 447 ), 448 TP_fast_assign(__entry->dt = dt; 449 __entry->entrynum = entrynum; 450 __entry->desc = *(u64 *)desc; 451 __entry->type = type; 452 ), 453 TP_printk("dt %p entrynum %d type %d desc %016llx", 454 __entry->dt, __entry->entrynum, __entry->type, 455 (unsigned long long)__entry->desc) 456 ); 457 458 TRACE_EVENT(xen_cpu_set_ldt, 459 TP_PROTO(const void *addr, unsigned entries), 460 TP_ARGS(addr, entries), 461 TP_STRUCT__entry( 462 __field(const void *, addr) 463 __field(unsigned, entries) 464 ), 465 TP_fast_assign(__entry->addr = addr; 466 __entry->entries = entries), 467 TP_printk("addr %p entries %u", 468 __entry->addr, __entry->entries) 469 ); 470 471 472 #endif /* _TRACE_XEN_H */ 473 474 /* This part must be outside protection */ 475 #include <trace/define_trace.h> 476