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| author | Ingo Molnar <mingo@elte.hu> | 2008-11-26 13:59:56 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-11-26 15:04:35 +0300 |
| commit | 0bfc24559d7945506184d86739fe365a181f06b7 (patch) | |
| tree | 5c152128faac7080f4802ce03d1c6b6bc7173227 /block | |
| parent | 5f3ea37c7716db4e894a480e0c18b24399595b6b (diff) | |
| download | linux-0bfc24559d7945506184d86739fe365a181f06b7.tar.xz | |
blktrace: port to tracepoints, update
Port to the new tracepoints API: split DEFINE_TRACE() and DECLARE_TRACE()
sites. Spread them out to the usage sites, as suggested by
Mathieu Desnoyers.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-core.c | 13 | ||||
| -rw-r--r-- | block/elevator.c | 5 |
2 files changed, 18 insertions, 0 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index 04267d66a2b9..0c06cf5aaaf8 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -32,6 +32,19 @@ #include "blk.h" +DEFINE_TRACE(block_plug); +DEFINE_TRACE(block_unplug_io); +DEFINE_TRACE(block_unplug_timer); +DEFINE_TRACE(block_getrq); +DEFINE_TRACE(block_sleeprq); +DEFINE_TRACE(block_rq_requeue); +DEFINE_TRACE(block_bio_backmerge); +DEFINE_TRACE(block_bio_frontmerge); +DEFINE_TRACE(block_bio_queue); +DEFINE_TRACE(block_rq_complete); +DEFINE_TRACE(block_remap); /* Also used in drivers/md/dm.c */ +EXPORT_TRACEPOINT_SYMBOL_GPL(block_remap); + static int __make_request(struct request_queue *q, struct bio *bio); /* diff --git a/block/elevator.c b/block/elevator.c index 530fcfe2ef07..e5677fe4f412 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -42,6 +42,8 @@ static DEFINE_SPINLOCK(elv_list_lock); static LIST_HEAD(elv_list); +DEFINE_TRACE(block_rq_abort); + /* * Merge hash stuff. */ @@ -53,6 +55,9 @@ static const int elv_hash_shift = 6; #define rq_hash_key(rq) ((rq)->sector + (rq)->nr_sectors) #define ELV_ON_HASH(rq) (!hlist_unhashed(&(rq)->hash)) +DEFINE_TRACE(block_rq_insert); +DEFINE_TRACE(block_rq_issue); + /* * Query io scheduler to see if the current process issuing bio may be * merged with rq. |