diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/jbd2.h | 6 | ||||
| -rw-r--r-- | include/trace/events/jbd2.h | 168 |
2 files changed, 174 insertions, 0 deletions
diff --git a/include/linux/jbd2.h b/include/linux/jbd2.h index cc02393bfce8..d97eb652d6ca 100644 --- a/include/linux/jbd2.h +++ b/include/linux/jbd2.h @@ -1315,6 +1315,12 @@ extern int jbd_blocks_per_page(struct inode *inode); #define BUFFER_TRACE2(bh, bh2, info) do {} while (0) #define JBUFFER_TRACE(jh, info) do {} while (0) +/* + * jbd2_dev_to_name is a utility function used by the jbd2 and ext4 + * tracing infrastructure to map a dev_t to a device name. + */ +extern const char *jbd2_dev_to_name(dev_t device); + #endif /* __KERNEL__ */ #endif /* _LINUX_JBD2_H */ diff --git a/include/trace/events/jbd2.h b/include/trace/events/jbd2.h new file mode 100644 index 000000000000..845b0b4b48fd --- /dev/null +++ b/include/trace/events/jbd2.h @@ -0,0 +1,168 @@ +#if !defined(_TRACE_JBD2_H) || defined(TRACE_HEADER_MULTI_READ) +#define _TRACE_JBD2_H + +#include <linux/jbd2.h> +#include <linux/tracepoint.h> + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM jbd2 + +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) +); + +TRACE_EVENT(jbd2_start_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) +); + +TRACE_EVENT(jbd2_commit_locking, + + 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) +); + +TRACE_EVENT(jbd2_commit_flushing, + + 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) +); + +TRACE_EVENT(jbd2_commit_logging, + + 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) +); + +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), __entry->ino) +); + +#endif /* _TRACE_JBD2_H */ + +/* This part must be outside protection */ +#include <trace/define_trace.h> |