include/trace/events/xen.h

   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 %pf, 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>