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 "nfsfh.h"
  13
  14 TRACE_EVENT(nfsd_compound,
  15         TP_PROTO(const struct svc_rqst *rqst,
  16                  u32 args_opcnt),
  17         TP_ARGS(rqst, args_opcnt),
  18         TP_STRUCT__entry(
  19                 __field(u32, xid)
  20                 __field(u32, args_opcnt)
  21         ),
  22         TP_fast_assign(
  23                 __entry->xid = be32_to_cpu(rqst->rq_xid);
  24                 __entry->args_opcnt = args_opcnt;
  25         ),
  26         TP_printk("xid=0x%08x opcnt=%u",
  27                 __entry->xid, __entry->args_opcnt)
  28 )
  29
  30 TRACE_EVENT(nfsd_compound_status,
  31         TP_PROTO(u32 args_opcnt,
  32                  u32 resp_opcnt,
  33                  __be32 status,
  34                  const char *name),
  35         TP_ARGS(args_opcnt, resp_opcnt, status, name),
  36         TP_STRUCT__entry(
  37                 __field(u32, args_opcnt)
  38                 __field(u32, resp_opcnt)
  39                 __field(int, status)
  40                 __string(name, name)
  41         ),
  42         TP_fast_assign(
  43                 __entry->args_opcnt = args_opcnt;
  44                 __entry->resp_opcnt = resp_opcnt;
  45                 __entry->status = be32_to_cpu(status);
  46                 __assign_str(name, name);
  47         ),
  48         TP_printk("op=%u/%u %s status=%d",
  49                 __entry->resp_opcnt, __entry->args_opcnt,
  50                 __get_str(name), __entry->status)
  51 )
  52
  53 DECLARE_EVENT_CLASS(nfsd_io_class,
  54         TP_PROTO(struct svc_rqst *rqstp,
  55                  struct svc_fh  *fhp,
  56                  loff_t         offset,
  57                  unsigned long  len),
  58         TP_ARGS(rqstp, fhp, offset, len),
  59         TP_STRUCT__entry(
  60                 __field(u32, xid)
  61                 __field(u32, fh_hash)
  62                 __field(loff_t, offset)
  63                 __field(unsigned long, len)
  64         ),
  65         TP_fast_assign(
  66                 __entry->xid = be32_to_cpu(rqstp->rq_xid);
  67                 __entry->fh_hash = knfsd_fh_hash(&fhp->fh_handle);
  68                 __entry->offset = offset;
  69                 __entry->len = len;
  70         ),
  71         TP_printk("xid=0x%08x fh_hash=0x%08x offset=%lld len=%lu",
  72                   __entry->xid, __entry->fh_hash,
  73                   __entry->offset, __entry->len)
  74 )
  75
  76 #define DEFINE_NFSD_IO_EVENT(name)              \
  77 DEFINE_EVENT(nfsd_io_class, nfsd_##name,        \
  78         TP_PROTO(struct svc_rqst *rqstp,        \
  79                  struct svc_fh  *fhp,           \
  80                  loff_t         offset,         \
  81                  unsigned long  len),           \
  82         TP_ARGS(rqstp, fhp, offset, len))
  83
  84 DEFINE_NFSD_IO_EVENT(read_start);
  85 DEFINE_NFSD_IO_EVENT(read_splice);
  86 DEFINE_NFSD_IO_EVENT(read_vector);
  87 DEFINE_NFSD_IO_EVENT(read_io_done);
  88 DEFINE_NFSD_IO_EVENT(read_done);
  89 DEFINE_NFSD_IO_EVENT(write_start);
  90 DEFINE_NFSD_IO_EVENT(write_opened);
  91 DEFINE_NFSD_IO_EVENT(write_io_done);
  92 DEFINE_NFSD_IO_EVENT(write_done);
  93
  94 DECLARE_EVENT_CLASS(nfsd_err_class,
  95         TP_PROTO(struct svc_rqst *rqstp,
  96                  struct svc_fh  *fhp,
  97                  loff_t         offset,
  98                  int            status),
  99         TP_ARGS(rqstp, fhp, offset, status),
 100         TP_STRUCT__entry(
 101                 __field(u32, xid)
 102                 __field(u32, fh_hash)
 103                 __field(loff_t, offset)
 104                 __field(int, status)
 105         ),
 106         TP_fast_assign(
 107                 __entry->xid = be32_to_cpu(rqstp->rq_xid);
 108                 __entry->fh_hash = knfsd_fh_hash(&fhp->fh_handle);
 109                 __entry->offset = offset;
 110                 __entry->status = status;
 111         ),
 112         TP_printk("xid=0x%08x fh_hash=0x%08x offset=%lld status=%d",
 113                   __entry->xid, __entry->fh_hash,
 114                   __entry->offset, __entry->status)
 115 )
 116
 117 #define DEFINE_NFSD_ERR_EVENT(name)             \
 118 DEFINE_EVENT(nfsd_err_class, nfsd_##name,       \
 119         TP_PROTO(struct svc_rqst *rqstp,        \
 120                  struct svc_fh  *fhp,           \
 121                  loff_t         offset,         \
 122                  int            len),           \
 123         TP_ARGS(rqstp, fhp, offset, len))
 124
 125 DEFINE_NFSD_ERR_EVENT(read_err);
 126 DEFINE_NFSD_ERR_EVENT(write_err);
 127
 128 #include "state.h"
 129 #include "filecache.h"
 130 #include "vfs.h"
 131
 132 DECLARE_EVENT_CLASS(nfsd_stateid_class,
 133         TP_PROTO(stateid_t *stp),
 134         TP_ARGS(stp),
 135         TP_STRUCT__entry(
 136                 __field(u32, cl_boot)
 137                 __field(u32, cl_id)
 138                 __field(u32, si_id)
 139                 __field(u32, si_generation)
 140         ),
 141         TP_fast_assign(
 142                 __entry->cl_boot = stp->si_opaque.so_clid.cl_boot;
 143                 __entry->cl_id = stp->si_opaque.so_clid.cl_id;
 144                 __entry->si_id = stp->si_opaque.so_id;
 145                 __entry->si_generation = stp->si_generation;
 146         ),
 147         TP_printk("client %08x:%08x stateid %08x:%08x",
 148                 __entry->cl_boot,
 149                 __entry->cl_id,
 150                 __entry->si_id,
 151                 __entry->si_generation)
 152 )
 153
 154 #define DEFINE_STATEID_EVENT(name) \
 155 DEFINE_EVENT(nfsd_stateid_class, nfsd_##name, \
 156         TP_PROTO(stateid_t *stp), \
 157         TP_ARGS(stp))
 158 DEFINE_STATEID_EVENT(layoutstate_alloc);
 159 DEFINE_STATEID_EVENT(layoutstate_unhash);
 160 DEFINE_STATEID_EVENT(layoutstate_free);
 161 DEFINE_STATEID_EVENT(layout_get_lookup_fail);
 162 DEFINE_STATEID_EVENT(layout_commit_lookup_fail);
 163 DEFINE_STATEID_EVENT(layout_return_lookup_fail);
 164 DEFINE_STATEID_EVENT(layout_recall);
 165 DEFINE_STATEID_EVENT(layout_recall_done);
 166 DEFINE_STATEID_EVENT(layout_recall_fail);
 167 DEFINE_STATEID_EVENT(layout_recall_release);
 168
 169 #define show_nf_flags(val)                                              \
 170         __print_flags(val, "|",                                         \
 171                 { 1 << NFSD_FILE_HASHED,        "HASHED" },             \
 172                 { 1 << NFSD_FILE_PENDING,       "PENDING" },            \
 173                 { 1 << NFSD_FILE_BREAK_READ,    "BREAK_READ" },         \
 174                 { 1 << NFSD_FILE_BREAK_WRITE,   "BREAK_WRITE" },        \
 175                 { 1 << NFSD_FILE_REFERENCED,    "REFERENCED"})
 176
 177 /* FIXME: This should probably be fleshed out in the future. */
 178 #define show_nf_may(val)                                                \
 179         __print_flags(val, "|",                                         \
 180                 { NFSD_MAY_READ,                "READ" },               \
 181                 { NFSD_MAY_WRITE,               "WRITE" },              \
 182                 { NFSD_MAY_NOT_BREAK_LEASE,     "NOT_BREAK_LEASE" })
 183
 184 DECLARE_EVENT_CLASS(nfsd_file_class,
 185         TP_PROTO(struct nfsd_file *nf),
 186         TP_ARGS(nf),
 187         TP_STRUCT__entry(
 188                 __field(unsigned int, nf_hashval)
 189                 __field(void *, nf_inode)
 190                 __field(int, nf_ref)
 191                 __field(unsigned long, nf_flags)
 192                 __field(unsigned char, nf_may)
 193                 __field(struct file *, nf_file)
 194         ),
 195         TP_fast_assign(
 196                 __entry->nf_hashval = nf->nf_hashval;
 197                 __entry->nf_inode = nf->nf_inode;
 198                 __entry->nf_ref = atomic_read(&nf->nf_ref);
 199                 __entry->nf_flags = nf->nf_flags;
 200                 __entry->nf_may = nf->nf_may;
 201                 __entry->nf_file = nf->nf_file;
 202         ),
 203         TP_printk("hash=0x%x inode=0x%p ref=%d flags=%s may=%s file=%p",
 204                 __entry->nf_hashval,
 205                 __entry->nf_inode,
 206                 __entry->nf_ref,
 207                 show_nf_flags(__entry->nf_flags),
 208                 show_nf_may(__entry->nf_may),
 209                 __entry->nf_file)
 210 )
 211
 212 #define DEFINE_NFSD_FILE_EVENT(name) \
 213 DEFINE_EVENT(nfsd_file_class, name, \
 214         TP_PROTO(struct nfsd_file *nf), \
 215         TP_ARGS(nf))
 216
 217 DEFINE_NFSD_FILE_EVENT(nfsd_file_alloc);
 218 DEFINE_NFSD_FILE_EVENT(nfsd_file_put_final);
 219 DEFINE_NFSD_FILE_EVENT(nfsd_file_unhash);
 220 DEFINE_NFSD_FILE_EVENT(nfsd_file_put);
 221 DEFINE_NFSD_FILE_EVENT(nfsd_file_unhash_and_release_locked);
 222
 223 TRACE_EVENT(nfsd_file_acquire,
 224         TP_PROTO(struct svc_rqst *rqstp, unsigned int hash,
 225                  struct inode *inode, unsigned int may_flags,
 226                  struct nfsd_file *nf, __be32 status),
 227
 228         TP_ARGS(rqstp, hash, inode, may_flags, nf, status),
 229
 230         TP_STRUCT__entry(
 231                 __field(__be32, xid)
 232                 __field(unsigned int, hash)
 233                 __field(void *, inode)
 234                 __field(unsigned int, may_flags)
 235                 __field(int, nf_ref)
 236                 __field(unsigned long, nf_flags)
 237                 __field(unsigned char, nf_may)
 238                 __field(struct file *, nf_file)
 239                 __field(__be32, status)
 240         ),
 241
 242         TP_fast_assign(
 243                 __entry->xid = rqstp->rq_xid;
 244                 __entry->hash = hash;
 245                 __entry->inode = inode;
 246                 __entry->may_flags = may_flags;
 247                 __entry->nf_ref = nf ? atomic_read(&nf->nf_ref) : 0;
 248                 __entry->nf_flags = nf ? nf->nf_flags : 0;
 249                 __entry->nf_may = nf ? nf->nf_may : 0;
 250                 __entry->nf_file = nf ? nf->nf_file : NULL;
 251                 __entry->status = status;
 252         ),
 253
 254         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",
 255                         be32_to_cpu(__entry->xid), __entry->hash, __entry->inode,
 256                         show_nf_may(__entry->may_flags), __entry->nf_ref,
 257                         show_nf_flags(__entry->nf_flags),
 258                         show_nf_may(__entry->nf_may), __entry->nf_file,
 259                         be32_to_cpu(__entry->status))
 260 );
 261
 262 DECLARE_EVENT_CLASS(nfsd_file_search_class,
 263         TP_PROTO(struct inode *inode, unsigned int hash, int found),
 264         TP_ARGS(inode, hash, found),
 265         TP_STRUCT__entry(
 266                 __field(struct inode *, inode)
 267                 __field(unsigned int, hash)
 268                 __field(int, found)
 269         ),
 270         TP_fast_assign(
 271                 __entry->inode = inode;
 272                 __entry->hash = hash;
 273                 __entry->found = found;
 274         ),
 275         TP_printk("hash=0x%x inode=0x%p found=%d", __entry->hash,
 276                         __entry->inode, __entry->found)
 277 );
 278
 279 #define DEFINE_NFSD_FILE_SEARCH_EVENT(name)                             \
 280 DEFINE_EVENT(nfsd_file_search_class, name,                              \
 281         TP_PROTO(struct inode *inode, unsigned int hash, int found),    \
 282         TP_ARGS(inode, hash, found))
 283
 284 DEFINE_NFSD_FILE_SEARCH_EVENT(nfsd_file_close_inode_sync);
 285 DEFINE_NFSD_FILE_SEARCH_EVENT(nfsd_file_close_inode);
 286 DEFINE_NFSD_FILE_SEARCH_EVENT(nfsd_file_is_cached);
 287
 288 TRACE_EVENT(nfsd_file_fsnotify_handle_event,
 289         TP_PROTO(struct inode *inode, u32 mask),
 290         TP_ARGS(inode, mask),
 291         TP_STRUCT__entry(
 292                 __field(struct inode *, inode)
 293                 __field(unsigned int, nlink)
 294                 __field(umode_t, mode)
 295                 __field(u32, mask)
 296         ),
 297         TP_fast_assign(
 298                 __entry->inode = inode;
 299                 __entry->nlink = inode->i_nlink;
 300                 __entry->mode = inode->i_mode;
 301                 __entry->mask = mask;
 302         ),
 303         TP_printk("inode=0x%p nlink=%u mode=0%ho mask=0x%x", __entry->inode,
 304                         __entry->nlink, __entry->mode, __entry->mask)
 305 );
 306
 307 #endif /* _NFSD_TRACE_H */
 308
 309 #undef TRACE_INCLUDE_PATH
 310 #define TRACE_INCLUDE_PATH .
 311 #define TRACE_INCLUDE_FILE trace
 312 #include <trace/define_trace.h>