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authorIngo Molnar <mingo@elte.hu>2008-11-26 11:59:56 +0100
committerIngo Molnar <mingo@elte.hu>2008-11-26 13:04:35 +0100
commit0bfc24559d7945506184d86739fe365a181f06b7 (patch)
tree5c152128faac7080f4802ce03d1c6b6bc7173227 /block
parent5f3ea37c7716db4e894a480e0c18b24399595b6b (diff)
downloadlinux-2.6.34-ux500-0bfc24559d7945506184d86739fe365a181f06b7.tar.gz
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.c13
-rw-r--r--block/elevator.c5
2 files changed, 18 insertions, 0 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index 04267d66a2b..0c06cf5aaaf 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 530fcfe2ef0..e5677fe4f41 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.