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| author | Jens Axboe <axboe@suse.de> | 2006-03-23 20:00:26 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@suse.de> | 2006-03-23 20:00:26 +0100 |
| commit | 2056a782f8e7e65fd4bfd027506b4ce1c5e9ccd4 (patch) | |
| tree | d4fe59a7ca0c110690937085548936a4535c39db /block/Kconfig | |
| parent | 6dac40a7ce2483a47b54af07afebeb84131c7228 (diff) | |
| download | lwn-2056a782f8e7e65fd4bfd027506b4ce1c5e9ccd4.tar.gz lwn-2056a782f8e7e65fd4bfd027506b4ce1c5e9ccd4.zip | |
[PATCH] Block queue IO tracing support (blktrace) as of 2006-03-23
Signed-off-by: Jens Axboe <axboe@suse.de>
Diffstat (limited to 'block/Kconfig')
| -rw-r--r-- | block/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/block/Kconfig b/block/Kconfig index 377f6dd20e17..96783645092d 100644 --- a/block/Kconfig +++ b/block/Kconfig @@ -11,4 +11,16 @@ config LBD your machine, or if you want to have a raid or loopback device bigger than 2TB. Otherwise say N. +config BLK_DEV_IO_TRACE + bool "Support for tracing block io actions" + select RELAY + select DEBUG_FS + 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 + on a block device queue. For more information (and the user space + support tools needed), fetch the blktrace app from: + + git://brick.kernel.dk/data/git/blktrace.git + source block/Kconfig.iosched |