instrumentation/events/lttng-module/jbd2.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM jbd2
   4
   5 #if !defined(LTTNG_TRACE_JBD2_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define LTTNG_TRACE_JBD2_H
   7
   8 #include <probes/lttng-tracepoint-event.h>
   9 #include <linux/jbd2.h>
  10 #include <linux/version.h>
  11
  12 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
  13 #ifndef _TRACE_JBD2_DEF
  14 #define _TRACE_JBD2_DEF
  15 struct transaction_chp_stats_s;
  16 struct transaction_run_stats_s;
  17 #endif
  18 #endif
  19
  20 LTTNG_TRACEPOINT_EVENT(jbd2_checkpoint,
  21
  22         TP_PROTO(journal_t *journal, int result),
  23
  24         TP_ARGS(journal, result),
  25
  26         TP_FIELDS(
  27                 ctf_integer(dev_t, dev, journal->j_fs_dev->bd_dev)
  28                 ctf_integer(int, result, result)
  29         )
  30 )
  31
  32 LTTNG_TRACEPOINT_EVENT_CLASS(jbd2_commit,
  33
  34         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  35
  36         TP_ARGS(journal, commit_transaction),
  37
  38         TP_FIELDS(
  39                 ctf_integer(dev_t, dev, journal->j_fs_dev->bd_dev)
  40                 ctf_integer(char, sync_commit, commit_transaction->t_synchronous_commit)
  41                 ctf_integer(int, transaction, commit_transaction->t_tid)
  42         )
  43 )
  44
  45 LTTNG_TRACEPOINT_EVENT_INSTANCE(jbd2_commit, jbd2_start_commit,
  46
  47         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  48
  49         TP_ARGS(journal, commit_transaction)
  50 )
  51
  52 LTTNG_TRACEPOINT_EVENT_INSTANCE(jbd2_commit, jbd2_commit_locking,
  53
  54         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  55
  56         TP_ARGS(journal, commit_transaction)
  57 )
  58
  59 LTTNG_TRACEPOINT_EVENT_INSTANCE(jbd2_commit, jbd2_commit_flushing,
  60
  61         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  62
  63         TP_ARGS(journal, commit_transaction)
  64 )
  65
  66 LTTNG_TRACEPOINT_EVENT_INSTANCE(jbd2_commit, jbd2_commit_logging,
  67
  68         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  69
  70         TP_ARGS(journal, commit_transaction)
  71 )
  72
  73 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
  74 LTTNG_TRACEPOINT_EVENT_INSTANCE(jbd2_commit, jbd2_drop_transaction,
  75
  76         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  77
  78         TP_ARGS(journal, commit_transaction)
  79 )
  80 #endif
  81
  82 LTTNG_TRACEPOINT_EVENT(jbd2_end_commit,
  83         TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
  84
  85         TP_ARGS(journal, commit_transaction),
  86
  87         TP_FIELDS(
  88                 ctf_integer(dev_t, dev, journal->j_fs_dev->bd_dev)
  89                 ctf_integer(char, sync_commit, commit_transaction->t_synchronous_commit)
  90                 ctf_integer(int, transaction, commit_transaction->t_tid)
  91                 ctf_integer(int, head, journal->j_tail_sequence)
  92         )
  93 )
  94
  95 LTTNG_TRACEPOINT_EVENT(jbd2_submit_inode_data,
  96         TP_PROTO(struct inode *inode),
  97
  98         TP_ARGS(inode),
  99
 100         TP_FIELDS(
 101                 ctf_integer(dev_t, dev, inode->i_sb->s_dev)
 102                 ctf_integer(ino_t, ino, inode->i_ino)
 103         )
 104 )
 105
 106 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,32))
 107 LTTNG_TRACEPOINT_EVENT(jbd2_run_stats,
 108         TP_PROTO(dev_t dev, unsigned long tid,
 109                  struct transaction_run_stats_s *stats),
 110
 111         TP_ARGS(dev, tid, stats),
 112
 113         TP_FIELDS(
 114                 ctf_integer(dev_t, dev, dev)
 115                 ctf_integer(unsigned long, tid, tid)
 116                 ctf_integer(unsigned long, wait, stats->rs_wait)
 117                 ctf_integer(unsigned long, running, stats->rs_running)
 118                 ctf_integer(unsigned long, locked, stats->rs_locked)
 119                 ctf_integer(unsigned long, flushing, stats->rs_flushing)
 120                 ctf_integer(unsigned long, logging, stats->rs_logging)
 121                 ctf_integer(__u32, handle_count, stats->rs_handle_count)
 122                 ctf_integer(__u32, blocks, stats->rs_blocks)
 123                 ctf_integer(__u32, blocks_logged, stats->rs_blocks_logged)
 124         )
 125 )
 126
 127 LTTNG_TRACEPOINT_EVENT(jbd2_checkpoint_stats,
 128         TP_PROTO(dev_t dev, unsigned long tid,
 129                  struct transaction_chp_stats_s *stats),
 130
 131         TP_ARGS(dev, tid, stats),
 132
 133         TP_FIELDS(
 134                 ctf_integer(dev_t, dev, dev)
 135                 ctf_integer(unsigned long, tid, tid)
 136                 ctf_integer(unsigned long, chp_time, stats->cs_chp_time)
 137                 ctf_integer(__u32, forced_to_close, stats->cs_forced_to_close)
 138                 ctf_integer(__u32, written, stats->cs_written)
 139                 ctf_integer(__u32, dropped, stats->cs_dropped)
 140         )
 141 )
 142 #endif
 143
 144 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,34))
 145 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
 146 LTTNG_TRACEPOINT_EVENT(jbd2_update_log_tail,
 147 #else
 148 LTTNG_TRACEPOINT_EVENT(jbd2_cleanup_journal_tail,
 149 #endif
 150
 151         TP_PROTO(journal_t *journal, tid_t first_tid,
 152                  unsigned long block_nr, unsigned long freed),
 153
 154         TP_ARGS(journal, first_tid, block_nr, freed),
 155
 156         TP_FIELDS(
 157                 ctf_integer(dev_t, dev, journal->j_fs_dev->bd_dev)
 158                 ctf_integer(tid_t, tail_sequence, journal->j_tail_sequence)
 159                 ctf_integer(tid_t, first_tid, first_tid)
 160                 ctf_integer(unsigned long, block_nr, block_nr)
 161                 ctf_integer(unsigned long, freed, freed)
 162         )
 163 )
 164 #endif
 165
 166 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
 167 LTTNG_TRACEPOINT_EVENT(jbd2_write_superblock,
 168
 169         TP_PROTO(journal_t *journal, int write_op),
 170
 171         TP_ARGS(journal, write_op),
 172
 173         TP_FIELDS(
 174                 ctf_integer(dev_t, dev, journal->j_fs_dev->bd_dev)
 175                 ctf_integer(int, write_op, write_op)
 176         )
 177 )
 178 #endif
 179
 180 #endif /* LTTNG_TRACE_JBD2_H */
 181
 182 /* This part must be outside protection */
 183 #include <probes/define_trace.h>