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   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 struct transaction_chp_stats_s;
  11 struct transaction_run_stats_s;
  12
  13 TRACE_EVENT(jbd2_checkpoint,
  14
  15         TP_PROTO(journal_t *journal, int result),
  16
  17         TP_ARGS(journal, result),
  18
  19         TP_STRUCT__entry(
  20                 __field(        dev_t,  dev                     )
  21                 __field(        int,    result                  )
  22         ),
  23
  24         TP_fast_assign(
  25                 __entry->dev            = journal->j_fs_dev->bd_dev;
  26                 __entry->result         = result;
  27         ),
  28
  29         TP_printk("dev %s result %d",
  30                   jbd2_dev_to_name(__entry->dev), __entry->result)
  31 );
  32
  33 DECLARE_EVENT_CLASS(jbd2_commit,
  34
  35         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  36
  37         TP_ARGS(journal, commit_transaction),
  38
  39         TP_STRUCT__entry(
  40                 __field(        dev_t,  dev                     )
  41                 __field(        char,   sync_commit               )
  42                 __field(        int,    transaction               )
  43         ),
  44
  45         TP_fast_assign(
  46                 __entry->dev            = journal->j_fs_dev->bd_dev;
  47                 __entry->sync_commit = commit_transaction->t_synchronous_commit;
  48                 __entry->transaction    = commit_transaction->t_tid;
  49         ),
  50
  51         TP_printk("dev %s transaction %d sync %d",
  52                   jbd2_dev_to_name(__entry->dev), __entry->transaction,
  53                   __entry->sync_commit)
  54 );
  55
  56 DEFINE_EVENT(jbd2_commit, jbd2_start_commit,
  57
  58         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  59
  60         TP_ARGS(journal, commit_transaction)
  61 );
  62
  63 DEFINE_EVENT(jbd2_commit, jbd2_commit_locking,
  64
  65         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  66
  67         TP_ARGS(journal, commit_transaction)
  68 );
  69
  70 DEFINE_EVENT(jbd2_commit, jbd2_commit_flushing,
  71
  72         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  73
  74         TP_ARGS(journal, commit_transaction)
  75 );
  76
  77 DEFINE_EVENT(jbd2_commit, jbd2_commit_logging,
  78
  79         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  80
  81         TP_ARGS(journal, commit_transaction)
  82 );
  83
  84 TRACE_EVENT(jbd2_end_commit,
  85         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  86
  87         TP_ARGS(journal, commit_transaction),
  88
  89         TP_STRUCT__entry(
  90                 __field(        dev_t,  dev                     )
  91                 __field(        char,   sync_commit               )
  92                 __field(        int,    transaction               )
  93                 __field(        int,    head                      )
  94         ),
  95
  96         TP_fast_assign(
  97                 __entry->dev            = journal->j_fs_dev->bd_dev;
  98                 __entry->sync_commit = commit_transaction->t_synchronous_commit;
  99                 __entry->transaction    = commit_transaction->t_tid;
 100                 __entry->head           = journal->j_tail_sequence;
 101         ),
 102
 103         TP_printk("dev %s transaction %d sync %d head %d",
 104                   jbd2_dev_to_name(__entry->dev), __entry->transaction,
 105                   __entry->sync_commit, __entry->head)
 106 );
 107
 108 TRACE_EVENT(jbd2_submit_inode_data,
 109         TP_PROTO(struct inode *inode),
 110
 111         TP_ARGS(inode),
 112
 113         TP_STRUCT__entry(
 114                 __field(        dev_t,  dev                     )
 115                 __field(        ino_t,  ino                     )
 116         ),
 117
 118         TP_fast_assign(
 119                 __entry->dev    = inode->i_sb->s_dev;
 120                 __entry->ino    = inode->i_ino;
 121         ),
 122
 123         TP_printk("dev %s ino %lu",
 124                   jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino)
 125 );
 126
 127 TRACE_EVENT(jbd2_run_stats,
 128         TP_PROTO(dev_t dev, unsigned long tid,
 129                  struct transaction_run_stats_s *stats),
 130
 131         TP_ARGS(dev, tid, stats),
 132
 133         TP_STRUCT__entry(
 134                 __field(                dev_t,  dev             )
 135                 __field(        unsigned long,  tid             )
 136                 __field(        unsigned long,  wait            )
 137                 __field(        unsigned long,  running         )
 138                 __field(        unsigned long,  locked          )
 139                 __field(        unsigned long,  flushing        )
 140                 __field(        unsigned long,  logging         )
 141                 __field(                __u32,  handle_count    )
 142                 __field(                __u32,  blocks          )
 143                 __field(                __u32,  blocks_logged   )
 144         ),
 145
 146         TP_fast_assign(
 147                 __entry->dev            = dev;
 148                 __entry->tid            = tid;
 149                 __entry->wait           = stats->rs_wait;
 150                 __entry->running        = stats->rs_running;
 151                 __entry->locked         = stats->rs_locked;
 152                 __entry->flushing       = stats->rs_flushing;
 153                 __entry->logging        = stats->rs_logging;
 154                 __entry->handle_count   = stats->rs_handle_count;
 155                 __entry->blocks         = stats->rs_blocks;
 156                 __entry->blocks_logged  = stats->rs_blocks_logged;
 157         ),
 158
 159         TP_printk("dev %s tid %lu wait %u running %u locked %u flushing %u "
 160                   "logging %u handle_count %u blocks %u blocks_logged %u",
 161                   jbd2_dev_to_name(__entry->dev), __entry->tid,
 162                   jiffies_to_msecs(__entry->wait),
 163                   jiffies_to_msecs(__entry->running),
 164                   jiffies_to_msecs(__entry->locked),
 165                   jiffies_to_msecs(__entry->flushing),
 166                   jiffies_to_msecs(__entry->logging),
 167                   __entry->handle_count, __entry->blocks,
 168                   __entry->blocks_logged)
 169 );
 170
 171 TRACE_EVENT(jbd2_checkpoint_stats,
 172         TP_PROTO(dev_t dev, unsigned long tid,
 173                  struct transaction_chp_stats_s *stats),
 174
 175         TP_ARGS(dev, tid, stats),
 176
 177         TP_STRUCT__entry(
 178                 __field(                dev_t,  dev             )
 179                 __field(        unsigned long,  tid             )
 180                 __field(        unsigned long,  chp_time        )
 181                 __field(                __u32,  forced_to_close )
 182                 __field(                __u32,  written         )
 183                 __field(                __u32,  dropped         )
 184         ),
 185
 186         TP_fast_assign(
 187                 __entry->dev            = dev;
 188                 __entry->tid            = tid;
 189                 __entry->chp_time       = stats->cs_chp_time;
 190                 __entry->forced_to_close= stats->cs_forced_to_close;
 191                 __entry->written        = stats->cs_written;
 192                 __entry->dropped        = stats->cs_dropped;
 193         ),
 194
 195         TP_printk("dev %s tid %lu chp_time %u forced_to_close %u "
 196                   "written %u dropped %u",
 197                   jbd2_dev_to_name(__entry->dev), __entry->tid,
 198                   jiffies_to_msecs(__entry->chp_time),
 199                   __entry->forced_to_close, __entry->written, __entry->dropped)
 200 );
 201
 202 #endif /* _TRACE_JBD2_H */
 203
 204 /* This part must be outside protection */
 205 #include <trace/define_trace.h>