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