diff options
| -rw-r--r-- | include/trace/events/block.h | 18 | ||||
| -rw-r--r-- | kernel/trace/blktrace.c | 22 |
2 files changed, 0 insertions, 40 deletions
diff --git a/include/trace/events/block.h b/include/trace/events/block.h index 34d64ca306b1..76459cf750e1 100644 --- a/include/trace/events/block.h +++ b/include/trace/events/block.h @@ -442,24 +442,6 @@ DEFINE_EVENT(block_get_rq, block_getrq, ); /** - * block_sleeprq - waiting to get a free request entry in queue for block IO operation - * @q: queue for operation - * @bio: pending block IO operation (can be %NULL) - * @rw: low bit indicates a read (%0) or a write (%1) - * - * In the case where a request struct cannot be provided for queue @q - * the process needs to wait for an request struct to become - * available. This tracepoint event is generated each time the - * process goes to sleep waiting for request struct become available. - */ -DEFINE_EVENT(block_get_rq, block_sleeprq, - - TP_PROTO(struct request_queue *q, struct bio *bio, int rw), - - TP_ARGS(q, bio, rw) -); - -/** * block_plug - keep operations requests in request queue * @q: request queue to plug * diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index a482a37848bf..ced589df304b 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -959,25 +959,6 @@ static void blk_add_trace_getrq(void *ignore, } } - -static void blk_add_trace_sleeprq(void *ignore, - struct request_queue *q, - struct bio *bio, int rw) -{ - if (bio) - blk_add_trace_bio(q, bio, BLK_TA_SLEEPRQ, 0); - else { - struct blk_trace *bt; - - rcu_read_lock(); - bt = rcu_dereference(q->blk_trace); - if (bt) - __blk_add_trace(bt, 0, 0, rw, 0, BLK_TA_SLEEPRQ, - 0, 0, NULL, 0); - rcu_read_unlock(); - } -} - static void blk_add_trace_plug(void *ignore, struct request_queue *q) { struct blk_trace *bt; @@ -1164,8 +1145,6 @@ static void blk_register_tracepoints(void) WARN_ON(ret); ret = register_trace_block_getrq(blk_add_trace_getrq, NULL); WARN_ON(ret); - ret = register_trace_block_sleeprq(blk_add_trace_sleeprq, NULL); - WARN_ON(ret); ret = register_trace_block_plug(blk_add_trace_plug, NULL); WARN_ON(ret); ret = register_trace_block_unplug(blk_add_trace_unplug, NULL); @@ -1185,7 +1164,6 @@ static void blk_unregister_tracepoints(void) unregister_trace_block_split(blk_add_trace_split, NULL); unregister_trace_block_unplug(blk_add_trace_unplug, NULL); unregister_trace_block_plug(blk_add_trace_plug, NULL); - unregister_trace_block_sleeprq(blk_add_trace_sleeprq, NULL); unregister_trace_block_getrq(blk_add_trace_getrq, NULL); unregister_trace_block_bio_queue(blk_add_trace_bio_queue, NULL); unregister_trace_block_bio_frontmerge(blk_add_trace_bio_frontmerge, NULL); |