kernel-fxtec-pro1x/include/trace/events/jbd.h
Lukas Czerner 99cb1a318c jbd: Add fixed tracepoints
This commit adds fixed tracepoint for jbd. It has been based on fixed
tracepoints for jbd2, however there are missing those for collecting
statistics, since I think that it will require more intrusive patch so I
should have its own commit, if someone decide that it is needed. Also
there are new tracepoints in __journal_drop_transaction() and
journal_update_superblock().

The list of jbd tracepoints:

jbd_checkpoint
jbd_start_commit
jbd_commit_locking
jbd_commit_flushing
jbd_commit_logging
jbd_drop_transaction
jbd_end_commit
jbd_do_submit_data
jbd_cleanup_journal_tail
jbd_update_superblock_end

Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Cc: Jan Kara <jack@suse.cz>
Signed-off-by: Jan Kara <jack@suse.cz>
2011-06-25 17:29:51 +02:00

203 lines
4.8 KiB
C

#undef TRACE_SYSTEM
#define TRACE_SYSTEM jbd
#if !defined(_TRACE_JBD_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_JBD_H
#include <linux/jbd.h>
#include <linux/tracepoint.h>
TRACE_EVENT(jbd_checkpoint,
TP_PROTO(journal_t *journal, int result),
TP_ARGS(journal, result),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( int, result )
),
TP_fast_assign(
__entry->dev = journal->j_fs_dev->bd_dev;
__entry->result = result;
),
TP_printk("dev %d,%d result %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->result)
);
DECLARE_EVENT_CLASS(jbd_commit,
TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
TP_ARGS(journal, commit_transaction),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( char, sync_commit )
__field( int, transaction )
),
TP_fast_assign(
__entry->dev = journal->j_fs_dev->bd_dev;
__entry->sync_commit = commit_transaction->t_synchronous_commit;
__entry->transaction = commit_transaction->t_tid;
),
TP_printk("dev %d,%d transaction %d sync %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->transaction, __entry->sync_commit)
);
DEFINE_EVENT(jbd_commit, jbd_start_commit,
TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
TP_ARGS(journal, commit_transaction)
);
DEFINE_EVENT(jbd_commit, jbd_commit_locking,
TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
TP_ARGS(journal, commit_transaction)
);
DEFINE_EVENT(jbd_commit, jbd_commit_flushing,
TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
TP_ARGS(journal, commit_transaction)
);
DEFINE_EVENT(jbd_commit, jbd_commit_logging,
TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
TP_ARGS(journal, commit_transaction)
);
TRACE_EVENT(jbd_drop_transaction,
TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
TP_ARGS(journal, commit_transaction),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( char, sync_commit )
__field( int, transaction )
),
TP_fast_assign(
__entry->dev = journal->j_fs_dev->bd_dev;
__entry->sync_commit = commit_transaction->t_synchronous_commit;
__entry->transaction = commit_transaction->t_tid;
),
TP_printk("dev %d,%d transaction %d sync %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->transaction, __entry->sync_commit)
);
TRACE_EVENT(jbd_end_commit,
TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
TP_ARGS(journal, commit_transaction),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( char, sync_commit )
__field( int, transaction )
__field( int, head )
),
TP_fast_assign(
__entry->dev = journal->j_fs_dev->bd_dev;
__entry->sync_commit = commit_transaction->t_synchronous_commit;
__entry->transaction = commit_transaction->t_tid;
__entry->head = journal->j_tail_sequence;
),
TP_printk("dev %d,%d transaction %d sync %d head %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->transaction, __entry->sync_commit, __entry->head)
);
TRACE_EVENT(jbd_do_submit_data,
TP_PROTO(journal_t *journal, transaction_t *commit_transaction),
TP_ARGS(journal, commit_transaction),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( char, sync_commit )
__field( int, transaction )
),
TP_fast_assign(
__entry->dev = journal->j_fs_dev->bd_dev;
__entry->sync_commit = commit_transaction->t_synchronous_commit;
__entry->transaction = commit_transaction->t_tid;
),
TP_printk("dev %d,%d transaction %d sync %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->transaction, __entry->sync_commit)
);
TRACE_EVENT(jbd_cleanup_journal_tail,
TP_PROTO(journal_t *journal, tid_t first_tid,
unsigned long block_nr, unsigned long freed),
TP_ARGS(journal, first_tid, block_nr, freed),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( tid_t, tail_sequence )
__field( tid_t, first_tid )
__field(unsigned long, block_nr )
__field(unsigned long, freed )
),
TP_fast_assign(
__entry->dev = journal->j_fs_dev->bd_dev;
__entry->tail_sequence = journal->j_tail_sequence;
__entry->first_tid = first_tid;
__entry->block_nr = block_nr;
__entry->freed = freed;
),
TP_printk("dev %d,%d from %u to %u offset %lu freed %lu",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->tail_sequence, __entry->first_tid,
__entry->block_nr, __entry->freed)
);
TRACE_EVENT(jbd_update_superblock_end,
TP_PROTO(journal_t *journal, int wait),
TP_ARGS(journal, wait),
TP_STRUCT__entry(
__field( dev_t, dev )
__field( int, wait )
),
TP_fast_assign(
__entry->dev = journal->j_fs_dev->bd_dev;
__entry->wait = wait;
),
TP_printk("dev %d,%d wait %d",
MAJOR(__entry->dev), MINOR(__entry->dev),
__entry->wait)
);
#endif /* _TRACE_JBD_H */
/* This part must be outside protection */
#include <trace/define_trace.h>