diff options
| -rw-r--r-- | block/blk-mq.c | 4 | ||||
| -rw-r--r-- | include/trace/events/block.h | 26 |
2 files changed, 30 insertions, 0 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index 551e7760f45e..1749f5890606 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -962,6 +962,8 @@ EXPORT_SYMBOL_GPL(blk_update_request); static inline void blk_account_io_done(struct request *req, u64 now) { + trace_block_io_done(req); + /* * Account IO completion. flush_rq isn't accounted as a * normal IO on queueing nor completion. Accounting the @@ -981,6 +983,8 @@ static inline void blk_account_io_done(struct request *req, u64 now) static inline void blk_account_io_start(struct request *req) { + trace_block_io_start(req); + if (blk_do_io_stat(req)) { /* * All non-passthrough requests are created from a bio with one diff --git a/include/trace/events/block.h b/include/trace/events/block.h index 7f4dfbdf12a6..40e60c33cc6f 100644 --- a/include/trace/events/block.h +++ b/include/trace/events/block.h @@ -246,6 +246,32 @@ DEFINE_EVENT(block_rq, block_rq_merge, ); /** + * block_io_start - insert a request for execution + * @rq: block IO operation request + * + * Called when block operation request @rq is queued for execution + */ +DEFINE_EVENT(block_rq, block_io_start, + + TP_PROTO(struct request *rq), + + TP_ARGS(rq) +); + +/** + * block_io_done - block IO operation request completed + * @rq: block IO operation request + * + * Called when block operation request @rq is completed + */ +DEFINE_EVENT(block_rq, block_io_done, + + TP_PROTO(struct request *rq), + + TP_ARGS(rq) +); + +/** * block_bio_complete - completed all work on the block operation * @q: queue holding the block operation * @bio: block operation completed |