fs/nfsd/trace.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /*
   3  * Copyright (c) 2014 Christoph Hellwig.
   4  */
   5 #undef TRACE_SYSTEM
   6 #define TRACE_SYSTEM nfsd
   7
   8 #if !defined(_NFSD_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
   9 #define _NFSD_TRACE_H
  10
  11 #include <linux/tracepoint.h>
  12 #include "export.h"
  13 #include "nfsfh.h"
  14
  15 TRACE_EVENT(nfsd_compound,
  16         TP_PROTO(const struct svc_rqst *rqst,
  17                  u32 args_opcnt),
  18         TP_ARGS(rqst, args_opcnt),
  19         TP_STRUCT__entry(
  20                 __field(u32, xid)
  21                 __field(u32, args_opcnt)
  22         ),
  23         TP_fast_assign(
  24                 __entry->xid = be32_to_cpu(rqst->rq_xid);
  25                 __entry->args_opcnt = args_opcnt;
  26         ),
  27         TP_printk("xid=0x%08x opcnt=%u",
  28                 __entry->xid, __entry->args_opcnt)
  29 )
  30
  31 TRACE_EVENT(nfsd_compound_status,
  32         TP_PROTO(u32 args_opcnt,
  33                  u32 resp_opcnt,
  34                  __be32 status,
  35                  const char *name),
  36         TP_ARGS(args_opcnt, resp_opcnt, status, name),
  37         TP_STRUCT__entry(
  38                 __field(u32, args_opcnt)
  39                 __field(u32, resp_opcnt)
  40                 __field(int, status)
  41                 __string(name, name)
  42         ),
  43         TP_fast_assign(
  44                 __entry->args_opcnt = args_opcnt;
  45                 __entry->resp_opcnt = resp_opcnt;
  46                 __entry->status = be32_to_cpu(status);
  47                 __assign_str(name, name);
  48         ),
  49         TP_printk("op=%u/%u %s status=%d",
  50                 __entry->resp_opcnt, __entry->args_opcnt,
  51                 __get_str(name), __entry->status)
  52 )
  53
  54 DECLARE_EVENT_CLASS(nfsd_fh_err_class,
  55         TP_PROTO(struct svc_rqst *rqstp,
  56                  struct svc_fh  *fhp,
  57                  int            status),
  58         TP_ARGS(rqstp, fhp, status),
  59         TP_STRUCT__entry(
  60                 __field(u32, xid)
  61                 __field(u32, fh_hash)
  62                 __field(int, status)
  63         ),
  64         TP_fast_assign(
  65                 __entry->xid = be32_to_cpu(rqstp->rq_xid);
  66                 __entry->fh_hash = knfsd_fh_hash(&fhp->fh_handle);
  67                 __entry->status = status;
  68         ),
  69         TP_printk("xid=0x%08x fh_hash=0x%08x status=%d",
  70                   __entry->xid, __entry->fh_hash,
  71                   __entry->status)
  72 )
  73
  74 #define DEFINE_NFSD_FH_ERR_EVENT(name)          \
  75 DEFINE_EVENT(nfsd_fh_err_class, nfsd_##name,    \
  76         TP_PROTO(struct svc_rqst *rqstp,        \
  77                  struct svc_fh  *fhp,           \
  78                  int            status),        \
  79         TP_ARGS(rqstp, fhp, status))
  80
  81 DEFINE_NFSD_FH_ERR_EVENT(set_fh_dentry_badexport);
  82 DEFINE_NFSD_FH_ERR_EVENT(set_fh_dentry_badhandle);
  83
  84 TRACE_EVENT(nfsd_exp_find_key,
  85         TP_PROTO(const struct svc_expkey *key,
  86                  int status),
  87         TP_ARGS(key, status),
  88         TP_STRUCT__entry(
  89                 __field(int, fsidtype)
  90                 __array(u32, fsid, 6)
  91                 __string(auth_domain, key->ek_client->name)
  92                 __field(int, status)
  93         ),
  94         TP_fast_assign(
  95                 __entry->fsidtype = key->ek_fsidtype;
  96                 memcpy(__entry->fsid, key->ek_fsid, 4*6);
  97                 __assign_str(auth_domain, key->ek_client->name);
  98                 __entry->status = status;
  99         ),
 100         TP_printk("fsid=%x::%s domain=%s status=%d",
 101                 __entry->fsidtype,
 102                 __print_array(__entry->fsid, 6, 4),
 103                 __get_str(auth_domain),
 104                 __entry->status
 105         )
 106 );
 107
 108 TRACE_EVENT(nfsd_expkey_update,
 109         TP_PROTO(const struct svc_expkey *key, const char *exp_path),
 110         TP_ARGS(key, exp_path),
 111         TP_STRUCT__entry(
 112                 __field(int, fsidtype)
 113                 __array(u32, fsid, 6)
 114                 __string(auth_domain, key->ek_client->name)
 115                 __string(path, exp_path)
 116                 __field(bool, cache)
 117         ),
 118         TP_fast_assign(
 119                 __entry->fsidtype = key->ek_fsidtype;
 120                 memcpy(__entry->fsid, key->ek_fsid, 4*6);
 121                 __assign_str(auth_domain, key->ek_client->name);
 122                 __assign_str(path, exp_path);
 123                 __entry->cache = !test_bit(CACHE_NEGATIVE, &key->h.flags);
 124         ),
 125         TP_printk("fsid=%x::%s domain=%s path=%s cache=%s",
 126                 __entry->fsidtype,
 127                 __print_array(__entry->fsid, 6, 4),
 128                 __get_str(auth_domain),
 129                 __get_str(path),
 130                 __entry->cache ? "pos" : "neg"
 131         )
 132 );
 133
 134 TRACE_EVENT(nfsd_exp_get_by_name,
 135         TP_PROTO(const struct svc_export *key,
 136                  int status),
 137         TP_ARGS(key, status),
 138         TP_STRUCT__entry(
 139                 __string(path, key->ex_path.dentry->d_name.name)
 140                 __string(auth_domain, key->ex_client->name)
 141                 __field(int, status)
 142         ),
 143         TP_fast_assign(
 144                 __assign_str(path, key->ex_path.dentry->d_name.name);
 145                 __assign_str(auth_domain, key->ex_client->name);
 146                 __entry->status = status;
 147         ),
 148         TP_printk("path=%s domain=%s status=%d",
 149                 __get_str(path),
 150                 __get_str(auth_domain),
 151                 __entry->status
 152         )
 153 );
 154
 155 TRACE_EVENT(nfsd_export_update,
 156         TP_PROTO(const struct svc_export *key),
 157         TP_ARGS(key),
 158         TP_STRUCT__entry(
 159                 __string(path, key->ex_path.dentry->d_name.name)
 160                 __string(auth_domain, key->ex_client->name)
 161                 __field(bool, cache)
 162         ),
 163         TP_fast_assign(
 164                 __assign_str(path, key->ex_path.dentry->d_name.name);
 165                 __assign_str(auth_domain, key->ex_client->name);
 166                 __entry->cache = !test_bit(CACHE_NEGATIVE, &key->h.flags);
 167         ),
 168         TP_printk("path=%s domain=%s cache=%s",
 169                 __get_str(path),
 170                 __get_str(auth_domain),
 171                 __entry->cache ? "pos" : "neg"
 172         )
 173 );
 174
 175 DECLARE_EVENT_CLASS(nfsd_io_class,
 176         TP_PROTO(struct svc_rqst *rqstp,
 177                  struct svc_fh  *fhp,
 178                  loff_t         offset,
 179                  unsigned long  len),
 180         TP_ARGS(rqstp, fhp, offset, len),
 181         TP_STRUCT__entry(
 182                 __field(u32, xid)
 183                 __field(u32, fh_hash)
 184                 __field(loff_t, offset)
 185                 __field(unsigned long, len)
 186         ),
 187         TP_fast_assign(
 188                 __entry->xid = be32_to_cpu(rqstp->rq_xid);
 189                 __entry->fh_hash = knfsd_fh_hash(&fhp->fh_handle);
 190                 __entry->offset = offset;
 191                 __entry->len = len;
 192         ),
 193         TP_printk("xid=0x%08x fh_hash=0x%08x offset=%lld len=%lu",
 194                   __entry->xid, __entry->fh_hash,
 195                   __entry->offset, __entry->len)
 196 )
 197
 198 #define DEFINE_NFSD_IO_EVENT(name)              \
 199 DEFINE_EVENT(nfsd_io_class, nfsd_##name,        \
 200         TP_PROTO(struct svc_rqst *rqstp,        \
 201                  struct svc_fh  *fhp,           \
 202                  loff_t         offset,         \
 203                  unsigned long  len),           \
 204         TP_ARGS(rqstp, fhp, offset, len))
 205
 206 DEFINE_NFSD_IO_EVENT(read_start);
 207 DEFINE_NFSD_IO_EVENT(read_splice);
 208 DEFINE_NFSD_IO_EVENT(read_vector);
 209 DEFINE_NFSD_IO_EVENT(read_io_done);
 210 DEFINE_NFSD_IO_EVENT(read_done);
 211 DEFINE_NFSD_IO_EVENT(write_start);
 212 DEFINE_NFSD_IO_EVENT(write_opened);
 213 DEFINE_NFSD_IO_EVENT(write_io_done);
 214 DEFINE_NFSD_IO_EVENT(write_done);
 215
 216 DECLARE_EVENT_CLASS(nfsd_err_class,
 217         TP_PROTO(struct svc_rqst *rqstp,
 218                  struct svc_fh  *fhp,
 219                  loff_t         offset,
 220                  int            status),
 221         TP_ARGS(rqstp, fhp, offset, status),
 222         TP_STRUCT__entry(
 223                 __field(u32, xid)
 224                 __field(u32, fh_hash)
 225                 __field(loff_t, offset)
 226                 __field(int, status)
 227         ),
 228         TP_fast_assign(
 229                 __entry->xid = be32_to_cpu(rqstp->rq_xid);
 230                 __entry->fh_hash = knfsd_fh_hash(&fhp->fh_handle);
 231                 __entry->offset = offset;
 232                 __entry->status = status;
 233         ),
 234         TP_printk("xid=0x%08x fh_hash=0x%08x offset=%lld status=%d",
 235                   __entry->xid, __entry->fh_hash,
 236                   __entry->offset, __entry->status)
 237 )
 238
 239 #define DEFINE_NFSD_ERR_EVENT(name)             \
 240 DEFINE_EVENT(nfsd_err_class, nfsd_##name,       \
 241         TP_PROTO(struct svc_rqst *rqstp,        \
 242                  struct svc_fh  *fhp,           \
 243                  loff_t         offset,         \
 244                  int            len),           \
 245         TP_ARGS(rqstp, fhp, offset, len))
 246
 247 DEFINE_NFSD_ERR_EVENT(read_err);
 248 DEFINE_NFSD_ERR_EVENT(write_err);
 249
 250 #include "state.h"
 251 #include "filecache.h"
 252 #include "vfs.h"
 253
 254 DECLARE_EVENT_CLASS(nfsd_stateid_class,
 255         TP_PROTO(stateid_t *stp),
 256         TP_ARGS(stp),
 257         TP_STRUCT__entry(
 258                 __field(u32, cl_boot)
 259                 __field(u32, cl_id)
 260                 __field(u32, si_id)
 261                 __field(u32, si_generation)
 262         ),
 263         TP_fast_assign(
 264                 __entry->cl_boot = stp->si_opaque.so_clid.cl_boot;
 265                 __entry->cl_id = stp->si_opaque.so_clid.cl_id;
 266                 __entry->si_id = stp->si_opaque.so_id;
 267                 __entry->si_generation = stp->si_generation;
 268         ),
 269         TP_printk("client %08x:%08x stateid %08x:%08x",
 270                 __entry->cl_boot,
 271                 __entry->cl_id,
 272                 __entry->si_id,
 273                 __entry->si_generation)
 274 )
 275
 276 #define DEFINE_STATEID_EVENT(name) \
 277 DEFINE_EVENT(nfsd_stateid_class, nfsd_##name, \
 278         TP_PROTO(stateid_t *stp), \
 279         TP_ARGS(stp))
 280 DEFINE_STATEID_EVENT(layoutstate_alloc);
 281 DEFINE_STATEID_EVENT(layoutstate_unhash);
 282 DEFINE_STATEID_EVENT(layoutstate_free);
 283 DEFINE_STATEID_EVENT(layout_get_lookup_fail);
 284 DEFINE_STATEID_EVENT(layout_commit_lookup_fail);
 285 DEFINE_STATEID_EVENT(layout_return_lookup_fail);
 286 DEFINE_STATEID_EVENT(layout_recall);
 287 DEFINE_STATEID_EVENT(layout_recall_done);
 288 DEFINE_STATEID_EVENT(layout_recall_fail);
 289 DEFINE_STATEID_EVENT(layout_recall_release);
 290
 291 TRACE_DEFINE_ENUM(NFSD_FILE_HASHED);
 292 TRACE_DEFINE_ENUM(NFSD_FILE_PENDING);
 293 TRACE_DEFINE_ENUM(NFSD_FILE_BREAK_READ);
 294 TRACE_DEFINE_ENUM(NFSD_FILE_BREAK_WRITE);
 295 TRACE_DEFINE_ENUM(NFSD_FILE_REFERENCED);
 296
 297 #define show_nf_flags(val)                                              \
 298         __print_flags(val, "|",                                         \
 299                 { 1 << NFSD_FILE_HASHED,        "HASHED" },             \
 300                 { 1 << NFSD_FILE_PENDING,       "PENDING" },            \
 301                 { 1 << NFSD_FILE_BREAK_READ,    "BREAK_READ" },         \
 302                 { 1 << NFSD_FILE_BREAK_WRITE,   "BREAK_WRITE" },        \
 303                 { 1 << NFSD_FILE_REFERENCED,    "REFERENCED"})
 304
 305 /* FIXME: This should probably be fleshed out in the future. */
 306 #define show_nf_may(val)                                                \
 307         __print_flags(val, "|",                                         \
 308                 { NFSD_MAY_READ,                "READ" },               \
 309                 { NFSD_MAY_WRITE,               "WRITE" },              \
 310                 { NFSD_MAY_NOT_BREAK_LEASE,     "NOT_BREAK_LEASE" })
 311
 312 DECLARE_EVENT_CLASS(nfsd_file_class,
 313         TP_PROTO(struct nfsd_file *nf),
 314         TP_ARGS(nf),
 315         TP_STRUCT__entry(
 316                 __field(unsigned int, nf_hashval)
 317                 __field(void *, nf_inode)
 318                 __field(int, nf_ref)
 319                 __field(unsigned long, nf_flags)
 320                 __field(unsigned char, nf_may)
 321                 __field(struct file *, nf_file)
 322         ),
 323         TP_fast_assign(
 324                 __entry->nf_hashval = nf->nf_hashval;
 325                 __entry->nf_inode = nf->nf_inode;
 326                 __entry->nf_ref = refcount_read(&nf->nf_ref);
 327                 __entry->nf_flags = nf->nf_flags;
 328                 __entry->nf_may = nf->nf_may;
 329                 __entry->nf_file = nf->nf_file;
 330         ),
 331         TP_printk("hash=0x%x inode=0x%p ref=%d flags=%s may=%s file=%p",
 332                 __entry->nf_hashval,
 333                 __entry->nf_inode,
 334                 __entry->nf_ref,
 335                 show_nf_flags(__entry->nf_flags),
 336                 show_nf_may(__entry->nf_may),
 337                 __entry->nf_file)
 338 )
 339
 340 #define DEFINE_NFSD_FILE_EVENT(name) \
 341 DEFINE_EVENT(nfsd_file_class, name, \
 342         TP_PROTO(struct nfsd_file *nf), \
 343         TP_ARGS(nf))
 344
 345 DEFINE_NFSD_FILE_EVENT(nfsd_file_alloc);
 346 DEFINE_NFSD_FILE_EVENT(nfsd_file_put_final);
 347 DEFINE_NFSD_FILE_EVENT(nfsd_file_unhash);
 348 DEFINE_NFSD_FILE_EVENT(nfsd_file_put);
 349 DEFINE_NFSD_FILE_EVENT(nfsd_file_unhash_and_release_locked);
 350
 351 TRACE_EVENT(nfsd_file_acquire,
 352         TP_PROTO(struct svc_rqst *rqstp, unsigned int hash,
 353                  struct inode *inode, unsigned int may_flags,
 354                  struct nfsd_file *nf, __be32 status),
 355
 356         TP_ARGS(rqstp, hash, inode, may_flags, nf, status),
 357
 358         TP_STRUCT__entry(
 359                 __field(u32, xid)
 360                 __field(unsigned int, hash)
 361                 __field(void *, inode)
 362                 __field(unsigned int, may_flags)
 363                 __field(int, nf_ref)
 364                 __field(unsigned long, nf_flags)
 365                 __field(unsigned char, nf_may)
 366                 __field(struct file *, nf_file)
 367                 __field(u32, status)
 368         ),
 369
 370         TP_fast_assign(
 371                 __entry->xid = be32_to_cpu(rqstp->rq_xid);
 372                 __entry->hash = hash;
 373                 __entry->inode = inode;
 374                 __entry->may_flags = may_flags;
 375                 __entry->nf_ref = nf ? refcount_read(&nf->nf_ref) : 0;
 376                 __entry->nf_flags = nf ? nf->nf_flags : 0;
 377                 __entry->nf_may = nf ? nf->nf_may : 0;
 378                 __entry->nf_file = nf ? nf->nf_file : NULL;
 379                 __entry->status = be32_to_cpu(status);
 380         ),
 381
 382         TP_printk("xid=0x%x hash=0x%x inode=0x%p may_flags=%s ref=%d nf_flags=%s nf_may=%s nf_file=0x%p status=%u",
 383                         __entry->xid, __entry->hash, __entry->inode,
 384                         show_nf_may(__entry->may_flags), __entry->nf_ref,
 385                         show_nf_flags(__entry->nf_flags),
 386                         show_nf_may(__entry->nf_may), __entry->nf_file,
 387                         __entry->status)
 388 );
 389
 390 DECLARE_EVENT_CLASS(nfsd_file_search_class,
 391         TP_PROTO(struct inode *inode, unsigned int hash, int found),
 392         TP_ARGS(inode, hash, found),
 393         TP_STRUCT__entry(
 394                 __field(struct inode *, inode)
 395                 __field(unsigned int, hash)
 396                 __field(int, found)
 397         ),
 398         TP_fast_assign(
 399                 __entry->inode = inode;
 400                 __entry->hash = hash;
 401                 __entry->found = found;
 402         ),
 403         TP_printk("hash=0x%x inode=0x%p found=%d", __entry->hash,
 404                         __entry->inode, __entry->found)
 405 );
 406
 407 #define DEFINE_NFSD_FILE_SEARCH_EVENT(name)                             \
 408 DEFINE_EVENT(nfsd_file_search_class, name,                              \
 409         TP_PROTO(struct inode *inode, unsigned int hash, int found),    \
 410         TP_ARGS(inode, hash, found))
 411
 412 DEFINE_NFSD_FILE_SEARCH_EVENT(nfsd_file_close_inode_sync);
 413 DEFINE_NFSD_FILE_SEARCH_EVENT(nfsd_file_close_inode);
 414 DEFINE_NFSD_FILE_SEARCH_EVENT(nfsd_file_is_cached);
 415
 416 TRACE_EVENT(nfsd_file_fsnotify_handle_event,
 417         TP_PROTO(struct inode *inode, u32 mask),
 418         TP_ARGS(inode, mask),
 419         TP_STRUCT__entry(
 420                 __field(struct inode *, inode)
 421                 __field(unsigned int, nlink)
 422                 __field(umode_t, mode)
 423                 __field(u32, mask)
 424         ),
 425         TP_fast_assign(
 426                 __entry->inode = inode;
 427                 __entry->nlink = inode->i_nlink;
 428                 __entry->mode = inode->i_mode;
 429                 __entry->mask = mask;
 430         ),
 431         TP_printk("inode=0x%p nlink=%u mode=0%ho mask=0x%x", __entry->inode,
 432                         __entry->nlink, __entry->mode, __entry->mask)
 433 );
 434
 435 #endif /* _NFSD_TRACE_H */
 436
 437 #undef TRACE_INCLUDE_PATH
 438 #define TRACE_INCLUDE_PATH .
 439 #define TRACE_INCLUDE_FILE trace
 440 #include <trace/define_trace.h>