drivers/staging/lttng/instrumentation/events/lttng-module/jbd2.h

   1 #undef TRACE_SYSTEM
   2 #define TRACE_SYSTEM jbd2
   3
   4 #if !defined(_TRACE_JBD2_H) || defined(TRACE_HEADER_MULTI_READ)
   5 #define _TRACE_JBD2_H
   6
   7 #include <linux/jbd2.h>
   8 #include <linux/tracepoint.h>
   9 #include <linux/version.h>
  10
  11 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
  12 #ifndef _TRACE_JBD2_DEF
  13 #define _TRACE_JBD2_DEF
  14 struct transaction_chp_stats_s;
  15 struct transaction_run_stats_s;
  16 #endif
  17 #endif
  18
  19 TRACE_EVENT(jbd2_checkpoint,
  20
  21         TP_PROTO(journal_t *journal, int result),
  22
  23         TP_ARGS(journal, result),
  24
  25         TP_STRUCT__entry(
  26                 __field(        dev_t,  dev                     )
  27                 __field(        int,    result                  )
  28         ),
  29
  30         TP_fast_assign(
  31                 tp_assign(dev, journal->j_fs_dev->bd_dev)
  32                 tp_assign(result, result)
  33         ),
  34
  35         TP_printk("dev %d,%d result %d",
  36                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->result)
  37 )
  38
  39 DECLARE_EVENT_CLASS(jbd2_commit,
  40
  41         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  42
  43         TP_ARGS(journal, commit_transaction),
  44
  45         TP_STRUCT__entry(
  46                 __field(        dev_t,  dev                     )
  47                 __field(        char,   sync_commit               )
  48                 __field(        int,    transaction               )
  49         ),
  50
  51         TP_fast_assign(
  52                 tp_assign(dev, journal->j_fs_dev->bd_dev)
  53                 tp_assign(sync_commit, commit_transaction->t_synchronous_commit)
  54                 tp_assign(transaction, commit_transaction->t_tid)
  55         ),
  56
  57         TP_printk("dev %d,%d transaction %d sync %d",
  58                   MAJOR(__entry->dev), MINOR(__entry->dev),
  59                   __entry->transaction, __entry->sync_commit)
  60 )
  61
  62 DEFINE_EVENT(jbd2_commit, jbd2_start_commit,
  63
  64         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  65
  66         TP_ARGS(journal, commit_transaction)
  67 )
  68
  69 DEFINE_EVENT(jbd2_commit, jbd2_commit_locking,
  70
  71         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  72
  73         TP_ARGS(journal, commit_transaction)
  74 )
  75
  76 DEFINE_EVENT(jbd2_commit, jbd2_commit_flushing,
  77
  78         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  79
  80         TP_ARGS(journal, commit_transaction)
  81 )
  82
  83 DEFINE_EVENT(jbd2_commit, jbd2_commit_logging,
  84
  85         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  86
  87         TP_ARGS(journal, commit_transaction)
  88 )
  89
  90 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
  91 DEFINE_EVENT(jbd2_commit, jbd2_drop_transaction,
  92
  93         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  94
  95         TP_ARGS(journal, commit_transaction)
  96 )
  97 #endif
  98
  99 TRACE_EVENT(jbd2_end_commit,
 100         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
 101
 102         TP_ARGS(journal, commit_transaction),
 103
 104         TP_STRUCT__entry(
 105                 __field(        dev_t,  dev                     )
 106                 __field(        char,   sync_commit               )
 107                 __field(        int,    transaction               )
 108                 __field(        int,    head                      )
 109         ),
 110
 111         TP_fast_assign(
 112                 tp_assign(dev, journal->j_fs_dev->bd_dev)
 113                 tp_assign(sync_commit, commit_transaction->t_synchronous_commit)
 114                 tp_assign(transaction, commit_transaction->t_tid)
 115                 tp_assign(head, journal->j_tail_sequence)
 116         ),
 117
 118         TP_printk("dev %d,%d transaction %d sync %d head %d",
 119                   MAJOR(__entry->dev), MINOR(__entry->dev),
 120                   __entry->transaction, __entry->sync_commit, __entry->head)
 121 )
 122
 123 TRACE_EVENT(jbd2_submit_inode_data,
 124         TP_PROTO(struct inode *inode),
 125
 126         TP_ARGS(inode),
 127
 128         TP_STRUCT__entry(
 129                 __field(        dev_t,  dev                     )
 130                 __field(        ino_t,  ino                     )
 131         ),
 132
 133         TP_fast_assign(
 134                 tp_assign(dev, inode->i_sb->s_dev)
 135                 tp_assign(ino, inode->i_ino)
 136         ),
 137
 138         TP_printk("dev %d,%d ino %lu",
 139                   MAJOR(__entry->dev), MINOR(__entry->dev),
 140                   (unsigned long) __entry->ino)
 141 )
 142
 143 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
 144 TRACE_EVENT(jbd2_run_stats,
 145         TP_PROTO(dev_t dev, unsigned long tid,
 146                  struct transaction_run_stats_s *stats),
 147
 148         TP_ARGS(dev, tid, stats),
 149
 150         TP_STRUCT__entry(
 151                 __field(                dev_t,  dev             )
 152                 __field(        unsigned long,  tid             )
 153                 __field(        unsigned long,  wait            )
 154                 __field(        unsigned long,  running         )
 155                 __field(        unsigned long,  locked          )
 156                 __field(        unsigned long,  flushing        )
 157                 __field(        unsigned long,  logging         )
 158                 __field(                __u32,  handle_count    )
 159                 __field(                __u32,  blocks          )
 160                 __field(                __u32,  blocks_logged   )
 161         ),
 162
 163         TP_fast_assign(
 164                 tp_assign(dev, dev)
 165                 tp_assign(tid, tid)
 166                 tp_assign(wait, stats->rs_wait)
 167                 tp_assign(running, stats->rs_running)
 168                 tp_assign(locked, stats->rs_locked)
 169                 tp_assign(flushing, stats->rs_flushing)
 170                 tp_assign(logging, stats->rs_logging)
 171                 tp_assign(handle_count, stats->rs_handle_count)
 172                 tp_assign(blocks, stats->rs_blocks)
 173                 tp_assign(blocks_logged, stats->rs_blocks_logged)
 174         ),
 175
 176         TP_printk("dev %d,%d tid %lu wait %u running %u locked %u flushing %u "
 177                   "logging %u handle_count %u blocks %u blocks_logged %u",
 178                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid,
 179                   jiffies_to_msecs(__entry->wait),
 180                   jiffies_to_msecs(__entry->running),
 181                   jiffies_to_msecs(__entry->locked),
 182                   jiffies_to_msecs(__entry->flushing),
 183                   jiffies_to_msecs(__entry->logging),
 184                   __entry->handle_count, __entry->blocks,
 185                   __entry->blocks_logged)
 186 )
 187
 188 TRACE_EVENT(jbd2_checkpoint_stats,
 189         TP_PROTO(dev_t dev, unsigned long tid,
 190                  struct transaction_chp_stats_s *stats),
 191
 192         TP_ARGS(dev, tid, stats),
 193
 194         TP_STRUCT__entry(
 195                 __field(                dev_t,  dev             )
 196                 __field(        unsigned long,  tid             )
 197                 __field(        unsigned long,  chp_time        )
 198                 __field(                __u32,  forced_to_close )
 199                 __field(                __u32,  written         )
 200                 __field(                __u32,  dropped         )
 201         ),
 202
 203         TP_fast_assign(
 204                 tp_assign(dev, dev)
 205                 tp_assign(tid, tid)
 206                 tp_assign(chp_time, stats->cs_chp_time)
 207                 tp_assign(forced_to_close, stats->cs_forced_to_close)
 208                 tp_assign(written, stats->cs_written)
 209                 tp_assign(dropped, stats->cs_dropped)
 210         ),
 211
 212         TP_printk("dev %d,%d tid %lu chp_time %u forced_to_close %u "
 213                   "written %u dropped %u",
 214                   MAJOR(__entry->dev), MINOR(__entry->dev), __entry->tid,
 215                   jiffies_to_msecs(__entry->chp_time),
 216                   __entry->forced_to_close, __entry->written, __entry->dropped)
 217 )
 218 #endif
 219
 220 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
 221 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
 222 TRACE_EVENT(jbd2_update_log_tail,
 223 #else
 224 TRACE_EVENT(jbd2_cleanup_journal_tail,
 225 #endif
 226
 227         TP_PROTO(journal_t *journal, tid_t first_tid,
 228                  unsigned long block_nr, unsigned long freed),
 229
 230         TP_ARGS(journal, first_tid, block_nr, freed),
 231
 232         TP_STRUCT__entry(
 233                 __field(        dev_t,  dev                     )
 234                 __field(        tid_t,  tail_sequence           )
 235                 __field(        tid_t,  first_tid               )
 236                 __field(unsigned long,  block_nr                )
 237                 __field(unsigned long,  freed                   )
 238         ),
 239
 240         TP_fast_assign(
 241                 tp_assign(dev, journal->j_fs_dev->bd_dev)
 242                 tp_assign(tail_sequence, journal->j_tail_sequence)
 243                 tp_assign(first_tid, first_tid)
 244                 tp_assign(block_nr, block_nr)
 245                 tp_assign(freed, freed)
 246         ),
 247
 248         TP_printk("dev %d,%d from %u to %u offset %lu freed %lu",
 249                   MAJOR(__entry->dev), MINOR(__entry->dev),
 250                   __entry->tail_sequence, __entry->first_tid,
 251                   __entry->block_nr, __entry->freed)
 252 )
 253 #endif
 254
 255 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
 256 TRACE_EVENT(jbd2_write_superblock,
 257
 258         TP_PROTO(journal_t *journal, int write_op),
 259
 260         TP_ARGS(journal, write_op),
 261
 262         TP_STRUCT__entry(
 263                 __field(        dev_t,  dev                     )
 264                 __field(          int,  write_op                )
 265         ),
 266
 267         TP_fast_assign(
 268                 tp_assign(dev, journal->j_fs_dev->bd_dev)
 269                 tp_assign(write_op, write_op)
 270         ),
 271
 272         TP_printk("dev %d,%d write_op %x", MAJOR(__entry->dev),
 273                   MINOR(__entry->dev), __entry->write_op)
 274 )
 275 #endif
 276
 277 #endif /* _TRACE_JBD2_H */
 278
 279 /* This part must be outside protection */
 280 #include "../../../probes/define_trace.h"