aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorArnaldo Carvalho de Melo2008-10-30 02:34:33 -0500
committerIngo Molnar2008-11-26 05:13:34 -0600
commit5f3ea37c7716db4e894a480e0c18b24399595b6b (patch)
treedb6784635d024894f641b340dcd7c5060c446077 /block/Kconfig
parent509dceef6470442d8c7b8a43ec34125205840b3c (diff)
downloadkernel-common-5f3ea37c7716db4e894a480e0c18b24399595b6b.tar.gz
kernel-common-5f3ea37c7716db4e894a480e0c18b24399595b6b.tar.xz
kernel-common-5f3ea37c7716db4e894a480e0c18b24399595b6b.zip
blktrace: port to tracepoints
This was a forward port of work done by Mathieu Desnoyers, I changed it to encode the 'what' parameter on the tracepoint name, so that one can register interest in specific events and not on classes of events to then check the 'what' parameter. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'block/Kconfig')
-rw-r--r--block/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/block/Kconfig b/block/Kconfig
index 1ab7c15c8d7..290b219fad9 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -47,6 +47,7 @@ config BLK_DEV_IO_TRACE
47 depends on SYSFS 47 depends on SYSFS
48 select RELAY 48 select RELAY
49 select DEBUG_FS 49 select DEBUG_FS
50 select TRACEPOINTS
50 help 51 help
51 Say Y here if you want to be able to trace the block layer actions 52 Say Y here if you want to be able to trace the block layer actions
52 on a given queue. Tracing allows you to see any traffic happening 53 on a given queue. Tracing allows you to see any traffic happening