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authorJens Axboe <jaxboe@fusionio.com>2011-04-12 10:06:33 +0200
committerJens Axboe <jaxboe@fusionio.com>2011-04-12 10:06:33 +0200
commitd9c97833179036408e53ef5f3f5c7eaf781769bc (patch)
tree3c0a6d7942f61fcdbeb029664400c3a9b7d65494 /kernel
parent109b81296c63228578d4760794d8dd46e02eddfb (diff)
block: remove block_unplug_timer() trace point
We no longer have an unplug timer running, so no point in keeping the trace point. Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/trace/blktrace.c17
1 files changed, 0 insertions, 17 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 7aa40f8e182d..824708cbfb7b 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -863,19 +863,6 @@ static void blk_add_trace_unplug_io(void *ignore, struct request_queue *q)
}
}
-static void blk_add_trace_unplug_timer(void *ignore, struct request_queue *q)
-{
- struct blk_trace *bt = q->blk_trace;
-
- if (bt) {
- unsigned int pdu = q->rq.count[READ] + q->rq.count[WRITE];
- __be64 rpdu = cpu_to_be64(pdu);
-
- __blk_add_trace(bt, 0, 0, 0, BLK_TA_UNPLUG_TIMER, 0,
- sizeof(rpdu), &rpdu);
- }
-}
-
static void blk_add_trace_split(void *ignore,
struct request_queue *q, struct bio *bio,
unsigned int pdu)
@@ -1015,8 +1002,6 @@ static void blk_register_tracepoints(void)
WARN_ON(ret);
ret = register_trace_block_plug(blk_add_trace_plug, NULL);
WARN_ON(ret);
- ret = register_trace_block_unplug_timer(blk_add_trace_unplug_timer, NULL);
- WARN_ON(ret);
ret = register_trace_block_unplug_io(blk_add_trace_unplug_io, NULL);
WARN_ON(ret);
ret = register_trace_block_split(blk_add_trace_split, NULL);
@@ -1033,7 +1018,6 @@ static void blk_unregister_tracepoints(void)
unregister_trace_block_bio_remap(blk_add_trace_bio_remap, NULL);
unregister_trace_block_split(blk_add_trace_split, NULL);
unregister_trace_block_unplug_io(blk_add_trace_unplug_io, NULL);
- unregister_trace_block_unplug_timer(blk_add_trace_unplug_timer, 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);
@@ -1348,7 +1332,6 @@ static const struct {
[__BLK_TA_COMPLETE] = {{ "C", "complete" }, blk_log_with_error },
[__BLK_TA_PLUG] = {{ "P", "plug" }, blk_log_plug },
[__BLK_TA_UNPLUG_IO] = {{ "U", "unplug_io" }, blk_log_unplug },
- [__BLK_TA_UNPLUG_TIMER] = {{ "UT", "unplug_timer" }, blk_log_unplug },
[__BLK_TA_INSERT] = {{ "I", "insert" }, blk_log_generic },
[__BLK_TA_SPLIT] = {{ "X", "split" }, blk_log_split },
[__BLK_TA_BOUNCE] = {{ "B", "bounce" }, blk_log_generic },

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