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