diff options
Diffstat (limited to 'include/trace/events/jbd2.h')
| -rw-r--r-- | include/trace/events/jbd2.h | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/include/trace/events/jbd2.h b/include/trace/events/jbd2.h new file mode 100644 index 00000000..bf16545c --- /dev/null +++ b/include/trace/events/jbd2.h @@ -0,0 +1,233 @@ +#undef TRACE_SYSTEM +#define TRACE_SYSTEM jbd2 + +#if !defined(_TRACE_JBD2_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_JBD2_H + +#include <linux/jbd2.h> +#include <linux/tracepoint.h> + +struct transaction_chp_stats_s; +struct transaction_run_stats_s; + +TRACE_EVENT(jbd2_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 %s result %d", + jbd2_dev_to_name(__entry->dev), __entry->result) +); + +DECLARE_EVENT_CLASS(jbd2_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 %s transaction %d sync %d", + jbd2_dev_to_name(__entry->dev), __entry->transaction, + __entry->sync_commit) +); + +DEFINE_EVENT(jbd2_commit, jbd2_start_commit, + + TP_PROTO(journal_t *journal, transaction_t *commit_transaction), + + TP_ARGS(journal, commit_transaction) +); + +DEFINE_EVENT(jbd2_commit, jbd2_commit_locking, + + TP_PROTO(journal_t *journal, transaction_t *commit_transaction), + + TP_ARGS(journal, commit_transaction) +); + +DEFINE_EVENT(jbd2_commit, jbd2_commit_flushing, + + TP_PROTO(journal_t *journal, transaction_t *commit_transaction), + + TP_ARGS(journal, commit_transaction) +); + +DEFINE_EVENT(jbd2_commit, jbd2_commit_logging, + + TP_PROTO(journal_t *journal, transaction_t *commit_transaction), + + TP_ARGS(journal, commit_transaction) +); + +TRACE_EVENT(jbd2_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 %s transaction %d sync %d head %d", + jbd2_dev_to_name(__entry->dev), __entry->transaction, + __entry->sync_commit, __entry->head) +); + +TRACE_EVENT(jbd2_submit_inode_data, + TP_PROTO(struct inode *inode), + + TP_ARGS(inode), + + TP_STRUCT__entry( + __field( dev_t, dev ) + __field( ino_t, ino ) + ), + + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + ), + + TP_printk("dev %s ino %lu", + jbd2_dev_to_name(__entry->dev), (unsigned long) __entry->ino) +); + +TRACE_EVENT(jbd2_run_stats, + TP_PROTO(dev_t dev, unsigned long tid, + struct transaction_run_stats_s *stats), + + TP_ARGS(dev, tid, stats), + + TP_STRUCT__entry( + __field( dev_t, dev ) + __field( unsigned long, tid ) + __field( unsigned long, wait ) + __field( unsigned long, running ) + __field( unsigned long, locked ) + __field( unsigned long, flushing ) + __field( unsigned long, logging ) + __field( __u32, handle_count ) + __field( __u32, blocks ) + __field( __u32, blocks_logged ) + ), + + TP_fast_assign( + __entry->dev = dev; + __entry->tid = tid; + __entry->wait = stats->rs_wait; + __entry->running = stats->rs_running; + __entry->locked = stats->rs_locked; + __entry->flushing = stats->rs_flushing; + __entry->logging = stats->rs_logging; + __entry->handle_count = stats->rs_handle_count; + __entry->blocks = stats->rs_blocks; + __entry->blocks_logged = stats->rs_blocks_logged; + ), + + TP_printk("dev %s tid %lu wait %u running %u locked %u flushing %u " + "logging %u handle_count %u blocks %u blocks_logged %u", + jbd2_dev_to_name(__entry->dev), __entry->tid, + jiffies_to_msecs(__entry->wait), + jiffies_to_msecs(__entry->running), + jiffies_to_msecs(__entry->locked), + jiffies_to_msecs(__entry->flushing), + jiffies_to_msecs(__entry->logging), + __entry->handle_count, __entry->blocks, + __entry->blocks_logged) +); + +TRACE_EVENT(jbd2_checkpoint_stats, + TP_PROTO(dev_t dev, unsigned long tid, + struct transaction_chp_stats_s *stats), + + TP_ARGS(dev, tid, stats), + + TP_STRUCT__entry( + __field( dev_t, dev ) + __field( unsigned long, tid ) + __field( unsigned long, chp_time ) + __field( __u32, forced_to_close ) + __field( __u32, written ) + __field( __u32, dropped ) + ), + + TP_fast_assign( + __entry->dev = dev; + __entry->tid = tid; + __entry->chp_time = stats->cs_chp_time; + __entry->forced_to_close= stats->cs_forced_to_close; + __entry->written = stats->cs_written; + __entry->dropped = stats->cs_dropped; + ), + + TP_printk("dev %s tid %lu chp_time %u forced_to_close %u " + "written %u dropped %u", + jbd2_dev_to_name(__entry->dev), __entry->tid, + jiffies_to_msecs(__entry->chp_time), + __entry->forced_to_close, __entry->written, __entry->dropped) +); + +TRACE_EVENT(jbd2_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 %s from %u to %u offset %lu freed %lu", + jbd2_dev_to_name(__entry->dev), __entry->tail_sequence, + __entry->first_tid, __entry->block_nr, __entry->freed) +); + +#endif /* _TRACE_JBD2_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |