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                     /*
  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>