diff options
| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2008-10-30 08:34:33 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-11-26 12:13:34 +0100 |
| commit | 5f3ea37c7716db4e894a480e0c18b24399595b6b (patch) | |
| tree | db6784635d024894f641b340dcd7c5060c446077 /block/Kconfig | |
| parent | 509dceef6470442d8c7b8a43ec34125205840b3c (diff) | |
| download | lwn-5f3ea37c7716db4e894a480e0c18b24399595b6b.tar.gz lwn-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/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/block/Kconfig b/block/Kconfig index 1ab7c15c8d7a..290b219fad9c 100644 --- a/block/Kconfig +++ b/block/Kconfig @@ -47,6 +47,7 @@ config BLK_DEV_IO_TRACE depends on SYSFS select RELAY select DEBUG_FS + select TRACEPOINTS help Say Y here if you want to be able to trace the block layer actions on a given queue. Tracing allows you to see any traffic happening |