include/trace/events/xen.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM xen
   3
   4 #if !defined(_TRACE_XEN_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_XEN_H
   6
   7 #include <linux/tracepoint.h>
   8 #include <asm/paravirt_types.h>
   9 #include <asm/xen/trace_types.h>
  10
  11 struct multicall_entry;
  12
  13 /* Multicalls */
  14 DECLARE_EVENT_CLASS(xen_mc__batch,
  15             TP_PROTO(enum paravirt_lazy_mode mode),
  16             TP_ARGS(mode),
  17             TP_STRUCT__entry(
  18                     __field(enum paravirt_lazy_mode, mode)
  19                     ),
  20             TP_fast_assign(__entry->mode = mode),
  21             TP_printk("start batch LAZY_%s",
  22                       (__entry->mode == PARAVIRT_LAZY_MMU) ? "MMU" :
  23                       (__entry->mode == PARAVIRT_LAZY_CPU) ? "CPU" : "NONE")
  24         );
  25 #define DEFINE_XEN_MC_BATCH(name)                       \
  26         DEFINE_EVENT(xen_mc__batch, name,               \
  27                 TP_PROTO(enum paravirt_lazy_mode mode), \
  28                      TP_ARGS(mode))
  29
  30 DEFINE_XEN_MC_BATCH(xen_mc_batch);
  31 DEFINE_XEN_MC_BATCH(xen_mc_issue);
  32
  33 TRACE_DEFINE_SIZEOF(ulong);
  34
  35 TRACE_EVENT(xen_mc_entry,
  36             TP_PROTO(struct multicall_entry *mc, unsigned nargs),
  37             TP_ARGS(mc, nargs),
  38             TP_STRUCT__entry(
  39                     __field(unsigned int, op)
  40                     __field(unsigned int, nargs)
  41                     __array(unsigned long, args, 6)
  42                     ),
  43             TP_fast_assign(__entry->op = mc->op;
  44                            __entry->nargs = nargs;
  45                            memcpy(__entry->args, mc->args, sizeof(ulong) * nargs);
  46                            memset(__entry->args + nargs, 0, sizeof(ulong) * (6 - nargs));
  47                     ),
  48             TP_printk("op %u%s args [%lx, %lx, %lx, %lx, %lx, %lx]",
  49                       __entry->op, xen_hypercall_name(__entry->op),
  50                       __entry->args[0], __entry->args[1], __entry->args[2],
  51                       __entry->args[3], __entry->args[4], __entry->args[5])
  52         );
  53
  54 TRACE_EVENT(xen_mc_entry_alloc,
  55             TP_PROTO(size_t args),
  56             TP_ARGS(args),
  57             TP_STRUCT__entry(
  58                     __field(size_t, args)
  59                     ),
  60             TP_fast_assign(__entry->args = args),
  61             TP_printk("alloc entry %zu arg bytes", __entry->args)
  62         );
  63
  64 TRACE_EVENT(xen_mc_callback,
  65             TP_PROTO(xen_mc_callback_fn_t fn, void *data),
  66             TP_ARGS(fn, data),
  67             TP_STRUCT__entry(
  68                     __field(xen_mc_callback_fn_t, fn)
  69                     __field(void *, data)
  70                     ),
  71             TP_fast_assign(
  72                     __entry->fn = fn;
  73                     __entry->data = data;
  74                     ),
  75             TP_printk("callback %pf, data %p",
  76                       __entry->fn, __entry->data)
  77         );
  78
  79 TRACE_EVENT(xen_mc_flush_reason,
  80             TP_PROTO(enum xen_mc_flush_reason reason),
  81             TP_ARGS(reason),
  82             TP_STRUCT__entry(
  83                     __field(enum xen_mc_flush_reason, reason)
  84                     ),
  85             TP_fast_assign(__entry->reason = reason),
  86             TP_printk("flush reason %s",
  87                       (__entry->reason == XEN_MC_FL_NONE) ? "NONE" :
  88                       (__entry->reason == XEN_MC_FL_BATCH) ? "BATCH" :
  89                       (__entry->reason == XEN_MC_FL_ARGS) ? "ARGS" :
  90                       (__entry->reason == XEN_MC_FL_CALLBACK) ? "CALLBACK" : "??")
  91         );
  92
  93 TRACE_EVENT(xen_mc_flush,
  94             TP_PROTO(unsigned mcidx, unsigned argidx, unsigned cbidx),
  95             TP_ARGS(mcidx, argidx, cbidx),
  96             TP_STRUCT__entry(
  97                     __field(unsigned, mcidx)
  98                     __field(unsigned, argidx)
  99                     __field(unsigned, cbidx)
 100                     ),
 101             TP_fast_assign(__entry->mcidx = mcidx;
 102                            __entry->argidx = argidx;
 103                            __entry->cbidx = cbidx),
 104             TP_printk("flushing %u hypercalls, %u arg bytes, %u callbacks",
 105                       __entry->mcidx, __entry->argidx, __entry->cbidx)
 106         );
 107
 108 TRACE_EVENT(xen_mc_extend_args,
 109             TP_PROTO(unsigned long op, size_t args, enum xen_mc_extend_args res),
 110             TP_ARGS(op, args, res),
 111             TP_STRUCT__entry(
 112                     __field(unsigned int, op)
 113                     __field(size_t, args)
 114                     __field(enum xen_mc_extend_args, res)
 115                     ),
 116             TP_fast_assign(__entry->op = op;
 117                            __entry->args = args;
 118                            __entry->res = res),
 119             TP_printk("extending op %u%s by %zu bytes res %s",
 120                       __entry->op, xen_hypercall_name(__entry->op),
 121                       __entry->args,
 122                       __entry->res == XEN_MC_XE_OK ? "OK" :
 123                       __entry->res == XEN_MC_XE_BAD_OP ? "BAD_OP" :
 124                       __entry->res == XEN_MC_XE_NO_SPACE ? "NO_SPACE" : "???")
 125         );
 126
 127 TRACE_DEFINE_SIZEOF(pteval_t);
 128 /* mmu */
 129 DECLARE_EVENT_CLASS(xen_mmu__set_pte,
 130             TP_PROTO(pte_t *ptep, pte_t pteval),
 131             TP_ARGS(ptep, pteval),
 132             TP_STRUCT__entry(
 133                     __field(pte_t *, ptep)
 134                     __field(pteval_t, pteval)
 135                     ),
 136             TP_fast_assign(__entry->ptep = ptep;
 137                            __entry->pteval = pteval.pte),
 138             TP_printk("ptep %p pteval %0*llx (raw %0*llx)",
 139                       __entry->ptep,
 140                       (int)sizeof(pteval_t) * 2, (unsigned long long)pte_val(native_make_pte(__entry->pteval)),
 141                       (int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval)
 142         );
 143
 144 #define DEFINE_XEN_MMU_SET_PTE(name)                            \
 145         DEFINE_EVENT(xen_mmu__set_pte, name,                    \
 146                      TP_PROTO(pte_t *ptep, pte_t pteval),       \
 147                      TP_ARGS(ptep, pteval))
 148
 149 DEFINE_XEN_MMU_SET_PTE(xen_mmu_set_pte);
 150 DEFINE_XEN_MMU_SET_PTE(xen_mmu_set_pte_atomic);
 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_EVENT(xen_mmu_pte_clear,
 173             TP_PROTO(struct mm_struct *mm, unsigned long addr, pte_t *ptep),
 174             TP_ARGS(mm, addr, ptep),
 175             TP_STRUCT__entry(
 176                     __field(struct mm_struct *, mm)
 177                     __field(unsigned long, addr)
 178                     __field(pte_t *, ptep)
 179                     ),
 180             TP_fast_assign(__entry->mm = mm;
 181                            __entry->addr = addr;
 182                            __entry->ptep = ptep),
 183             TP_printk("mm %p addr %lx ptep %p",
 184                       __entry->mm, __entry->addr, __entry->ptep)
 185         );
 186
 187 TRACE_DEFINE_SIZEOF(pmdval_t);
 188
 189 TRACE_EVENT(xen_mmu_set_pmd,
 190             TP_PROTO(pmd_t *pmdp, pmd_t pmdval),
 191             TP_ARGS(pmdp, pmdval),
 192             TP_STRUCT__entry(
 193                     __field(pmd_t *, pmdp)
 194                     __field(pmdval_t, pmdval)
 195                     ),
 196             TP_fast_assign(__entry->pmdp = pmdp;
 197                            __entry->pmdval = pmdval.pmd),
 198             TP_printk("pmdp %p pmdval %0*llx (raw %0*llx)",
 199                       __entry->pmdp,
 200                       (int)sizeof(pmdval_t) * 2, (unsigned long long)pmd_val(native_make_pmd(__entry->pmdval)),
 201                       (int)sizeof(pmdval_t) * 2, (unsigned long long)__entry->pmdval)
 202         );
 203
 204 TRACE_EVENT(xen_mmu_pmd_clear,
 205             TP_PROTO(pmd_t *pmdp),
 206             TP_ARGS(pmdp),
 207             TP_STRUCT__entry(
 208                     __field(pmd_t *, pmdp)
 209                     ),
 210             TP_fast_assign(__entry->pmdp = pmdp),
 211             TP_printk("pmdp %p", __entry->pmdp)
 212         );
 213
 214 #if CONFIG_PGTABLE_LEVELS >= 4
 215
 216 TRACE_DEFINE_SIZEOF(pudval_t);
 217
 218 TRACE_EVENT(xen_mmu_set_pud,
 219             TP_PROTO(pud_t *pudp, pud_t pudval),
 220             TP_ARGS(pudp, pudval),
 221             TP_STRUCT__entry(
 222                     __field(pud_t *, pudp)
 223                     __field(pudval_t, pudval)
 224                     ),
 225             TP_fast_assign(__entry->pudp = pudp;
 226                            __entry->pudval = native_pud_val(pudval)),
 227             TP_printk("pudp %p pudval %0*llx (raw %0*llx)",
 228                       __entry->pudp,
 229                       (int)sizeof(pudval_t) * 2, (unsigned long long)pud_val(native_make_pud(__entry->pudval)),
 230                       (int)sizeof(pudval_t) * 2, (unsigned long long)__entry->pudval)
 231         );
 232
 233 TRACE_DEFINE_SIZEOF(p4dval_t);
 234
 235 TRACE_EVENT(xen_mmu_set_p4d,
 236             TP_PROTO(p4d_t *p4dp, p4d_t *user_p4dp, p4d_t p4dval),
 237             TP_ARGS(p4dp, user_p4dp, p4dval),
 238             TP_STRUCT__entry(
 239                     __field(p4d_t *, p4dp)
 240                     __field(p4d_t *, user_p4dp)
 241                     __field(p4dval_t, p4dval)
 242                     ),
 243             TP_fast_assign(__entry->p4dp = p4dp;
 244                            __entry->user_p4dp = user_p4dp;
 245                            __entry->p4dval = p4d_val(p4dval)),
 246             TP_printk("p4dp %p user_p4dp %p p4dval %0*llx (raw %0*llx)",
 247                       __entry->p4dp, __entry->user_p4dp,
 248                       (int)sizeof(p4dval_t) * 2, (unsigned long long)pgd_val(native_make_pgd(__entry->p4dval)),
 249                       (int)sizeof(p4dval_t) * 2, (unsigned long long)__entry->p4dval)
 250         );
 251 #else
 252
 253 TRACE_EVENT(xen_mmu_set_pud,
 254             TP_PROTO(pud_t *pudp, pud_t pudval),
 255             TP_ARGS(pudp, pudval),
 256             TP_STRUCT__entry(
 257                     __field(pud_t *, pudp)
 258                     __field(pudval_t, pudval)
 259                     ),
 260             TP_fast_assign(__entry->pudp = pudp;
 261                            __entry->pudval = native_pud_val(pudval)),
 262             TP_printk("pudp %p pudval %0*llx (raw %0*llx)",
 263                       __entry->pudp,
 264                       (int)sizeof(pudval_t) * 2, (unsigned long long)pgd_val(native_make_pgd(__entry->pudval)),
 265                       (int)sizeof(pudval_t) * 2, (unsigned long long)__entry->pudval)
 266         );
 267
 268 #endif
 269
 270 DECLARE_EVENT_CLASS(xen_mmu_ptep_modify_prot,
 271             TP_PROTO(struct mm_struct *mm, unsigned long addr,
 272                      pte_t *ptep, pte_t pteval),
 273             TP_ARGS(mm, addr, ptep, pteval),
 274             TP_STRUCT__entry(
 275                     __field(struct mm_struct *, mm)
 276                     __field(unsigned long, addr)
 277                     __field(pte_t *, ptep)
 278                     __field(pteval_t, pteval)
 279                     ),
 280             TP_fast_assign(__entry->mm = mm;
 281                            __entry->addr = addr;
 282                            __entry->ptep = ptep;
 283                            __entry->pteval = pteval.pte),
 284             TP_printk("mm %p addr %lx ptep %p pteval %0*llx (raw %0*llx)",
 285                       __entry->mm, __entry->addr, __entry->ptep,
 286                       (int)sizeof(pteval_t) * 2, (unsigned long long)pte_val(native_make_pte(__entry->pteval)),
 287                       (int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval)
 288         );
 289 #define DEFINE_XEN_MMU_PTEP_MODIFY_PROT(name)                           \
 290         DEFINE_EVENT(xen_mmu_ptep_modify_prot, name,                    \
 291                      TP_PROTO(struct mm_struct *mm, unsigned long addr, \
 292                               pte_t *ptep, pte_t pteval),               \
 293                      TP_ARGS(mm, addr, ptep, pteval))
 294
 295 DEFINE_XEN_MMU_PTEP_MODIFY_PROT(xen_mmu_ptep_modify_prot_start);
 296 DEFINE_XEN_MMU_PTEP_MODIFY_PROT(xen_mmu_ptep_modify_prot_commit);
 297
 298 TRACE_EVENT(xen_mmu_alloc_ptpage,
 299             TP_PROTO(struct mm_struct *mm, unsigned long pfn, unsigned level, bool pinned),
 300             TP_ARGS(mm, pfn, level, pinned),
 301             TP_STRUCT__entry(
 302                     __field(struct mm_struct *, mm)
 303                     __field(unsigned long, pfn)
 304                     __field(unsigned, level)
 305                     __field(bool, pinned)
 306                     ),
 307             TP_fast_assign(__entry->mm = mm;
 308                            __entry->pfn = pfn;
 309                            __entry->level = level;
 310                            __entry->pinned = pinned),
 311             TP_printk("mm %p  pfn %lx  level %d  %spinned",
 312                       __entry->mm, __entry->pfn, __entry->level,
 313                       __entry->pinned ? "" : "un")
 314         );
 315
 316 TRACE_EVENT(xen_mmu_release_ptpage,
 317             TP_PROTO(unsigned long pfn, unsigned level, bool pinned),
 318             TP_ARGS(pfn, level, pinned),
 319             TP_STRUCT__entry(
 320                     __field(unsigned long, pfn)
 321                     __field(unsigned, level)
 322                     __field(bool, pinned)
 323                     ),
 324             TP_fast_assign(__entry->pfn = pfn;
 325                            __entry->level = level;
 326                            __entry->pinned = pinned),
 327             TP_printk("pfn %lx  level %d  %spinned",
 328                       __entry->pfn, __entry->level,
 329                       __entry->pinned ? "" : "un")
 330         );
 331
 332 DECLARE_EVENT_CLASS(xen_mmu_pgd,
 333             TP_PROTO(struct mm_struct *mm, pgd_t *pgd),
 334             TP_ARGS(mm, pgd),
 335             TP_STRUCT__entry(
 336                     __field(struct mm_struct *, mm)
 337                     __field(pgd_t *, pgd)
 338                     ),
 339             TP_fast_assign(__entry->mm = mm;
 340                            __entry->pgd = pgd),
 341             TP_printk("mm %p pgd %p", __entry->mm, __entry->pgd)
 342         );
 343 #define DEFINE_XEN_MMU_PGD_EVENT(name)                          \
 344         DEFINE_EVENT(xen_mmu_pgd, name,                         \
 345                 TP_PROTO(struct mm_struct *mm, pgd_t *pgd),     \
 346                      TP_ARGS(mm, pgd))
 347
 348 DEFINE_XEN_MMU_PGD_EVENT(xen_mmu_pgd_pin);
 349 DEFINE_XEN_MMU_PGD_EVENT(xen_mmu_pgd_unpin);
 350
 351 TRACE_EVENT(xen_mmu_flush_tlb_all,
 352             TP_PROTO(int x),
 353             TP_ARGS(x),
 354             TP_STRUCT__entry(__array(char, x, 0)),
 355             TP_fast_assign((void)x),
 356             TP_printk("%s", "")
 357         );
 358
 359 TRACE_EVENT(xen_mmu_flush_tlb,
 360             TP_PROTO(int x),
 361             TP_ARGS(x),
 362             TP_STRUCT__entry(__array(char, x, 0)),
 363             TP_fast_assign((void)x),
 364             TP_printk("%s", "")
 365         );
 366
 367 TRACE_EVENT(xen_mmu_flush_tlb_single,
 368             TP_PROTO(unsigned long addr),
 369             TP_ARGS(addr),
 370             TP_STRUCT__entry(
 371                     __field(unsigned long, addr)
 372                     ),
 373             TP_fast_assign(__entry->addr = addr),
 374             TP_printk("addr %lx", __entry->addr)
 375         );
 376
 377 TRACE_EVENT(xen_mmu_flush_tlb_others,
 378             TP_PROTO(const struct cpumask *cpus, struct mm_struct *mm,
 379                      unsigned long addr, unsigned long end),
 380             TP_ARGS(cpus, mm, addr, end),
 381             TP_STRUCT__entry(
 382                     __field(unsigned, ncpus)
 383                     __field(struct mm_struct *, mm)
 384                     __field(unsigned long, addr)
 385                     __field(unsigned long, end)
 386                     ),
 387             TP_fast_assign(__entry->ncpus = cpumask_weight(cpus);
 388                            __entry->mm = mm;
 389                            __entry->addr = addr,
 390                            __entry->end = end),
 391             TP_printk("ncpus %d mm %p addr %lx, end %lx",
 392                       __entry->ncpus, __entry->mm, __entry->addr, __entry->end)
 393         );
 394
 395 TRACE_EVENT(xen_mmu_write_cr3,
 396             TP_PROTO(bool kernel, unsigned long cr3),
 397             TP_ARGS(kernel, cr3),
 398             TP_STRUCT__entry(
 399                     __field(bool, kernel)
 400                     __field(unsigned long, cr3)
 401                     ),
 402             TP_fast_assign(__entry->kernel = kernel;
 403                            __entry->cr3 = cr3),
 404             TP_printk("%s cr3 %lx",
 405                       __entry->kernel ? "kernel" : "user", __entry->cr3)
 406         );
 407
 408
 409 /* CPU */
 410 TRACE_EVENT(xen_cpu_write_ldt_entry,
 411             TP_PROTO(struct desc_struct *dt, int entrynum, u64 desc),
 412             TP_ARGS(dt, entrynum, desc),
 413             TP_STRUCT__entry(
 414                     __field(struct desc_struct *, dt)
 415                     __field(int, entrynum)
 416                     __field(u64, desc)
 417                     ),
 418             TP_fast_assign(__entry->dt = dt;
 419                            __entry->entrynum = entrynum;
 420                            __entry->desc = desc;
 421                     ),
 422             TP_printk("dt %p  entrynum %d  entry %016llx",
 423                       __entry->dt, __entry->entrynum,
 424                       (unsigned long long)__entry->desc)
 425         );
 426
 427 TRACE_EVENT(xen_cpu_write_idt_entry,
 428             TP_PROTO(gate_desc *dt, int entrynum, const gate_desc *ent),
 429             TP_ARGS(dt, entrynum, ent),
 430             TP_STRUCT__entry(
 431                     __field(gate_desc *, dt)
 432                     __field(int, entrynum)
 433                     ),
 434             TP_fast_assign(__entry->dt = dt;
 435                            __entry->entrynum = entrynum;
 436                     ),
 437             TP_printk("dt %p  entrynum %d",
 438                       __entry->dt, __entry->entrynum)
 439         );
 440
 441 TRACE_EVENT(xen_cpu_load_idt,
 442             TP_PROTO(const struct desc_ptr *desc),
 443             TP_ARGS(desc),
 444             TP_STRUCT__entry(
 445                     __field(unsigned long, addr)
 446                     ),
 447             TP_fast_assign(__entry->addr = desc->address),
 448             TP_printk("addr %lx", __entry->addr)
 449         );
 450
 451 TRACE_EVENT(xen_cpu_write_gdt_entry,
 452             TP_PROTO(struct desc_struct *dt, int entrynum, const void *desc, int type),
 453             TP_ARGS(dt, entrynum, desc, type),
 454             TP_STRUCT__entry(
 455                     __field(u64, desc)
 456                     __field(struct desc_struct *, dt)
 457                     __field(int, entrynum)
 458                     __field(int, type)
 459                     ),
 460             TP_fast_assign(__entry->dt = dt;
 461                            __entry->entrynum = entrynum;
 462                            __entry->desc = *(u64 *)desc;
 463                            __entry->type = type;
 464                     ),
 465             TP_printk("dt %p  entrynum %d  type %d  desc %016llx",
 466                       __entry->dt, __entry->entrynum, __entry->type,
 467                       (unsigned long long)__entry->desc)
 468         );
 469
 470 TRACE_EVENT(xen_cpu_set_ldt,
 471             TP_PROTO(const void *addr, unsigned entries),
 472             TP_ARGS(addr, entries),
 473             TP_STRUCT__entry(
 474                     __field(const void *, addr)
 475                     __field(unsigned, entries)
 476                     ),
 477             TP_fast_assign(__entry->addr = addr;
 478                            __entry->entries = entries),
 479             TP_printk("addr %p  entries %u",
 480                       __entry->addr, __entry->entries)
 481         );
 482
 483
 484 #endif /*  _TRACE_XEN_H */
 485
 486 /* This part must be outside protection */
 487 #include <trace/define_trace.h>