From 99cb1a318c37bf462c53d43f4dacb7b4896ce0c9 Mon Sep 17 00:00:00 2001 From: Lukas Czerner Date: Mon, 23 May 2011 18:33:02 +0200 Subject: 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 Cc: Jan Kara Signed-off-by: Jan Kara --- include/trace/events/jbd.h | 203 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 203 insertions(+) create mode 100644 include/trace/events/jbd.h (limited to 'include/trace') diff --git a/include/trace/events/jbd.h b/include/trace/events/jbd.h new file mode 100644 index 000000000000..aff64d82d713 --- /dev/null +++ b/include/trace/events/jbd.h @@ -0,0 +1,203 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM jbd + +#if !defined(_TRACE_JBD_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_JBD_H + +#include +#include + +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 -- cgit v1.2.3