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authorJens Axboe2006-03-23 13:00:26 -0600
committerJens Axboe2006-03-23 13:00:26 -0600
commit2056a782f8e7e65fd4bfd027506b4ce1c5e9ccd4 (patch)
treed4fe59a7ca0c110690937085548936a4535c39db /block/Kconfig
parent6dac40a7ce2483a47b54af07afebeb84131c7228 (diff)
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[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/Kconfig12
1 files changed, 12 insertions, 0 deletions
diff --git a/block/Kconfig b/block/Kconfig
index 377f6dd20e1..96783645092 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -11,4 +11,16 @@ config LBD
11 your machine, or if you want to have a raid or loopback device 11 your machine, or if you want to have a raid or loopback device
12 bigger than 2TB. Otherwise say N. 12 bigger than 2TB. Otherwise say N.
13 13
14config BLK_DEV_IO_TRACE
15 bool "Support for tracing block io actions"
16 select RELAY
17 select DEBUG_FS
18 help
19 Say Y here, if you want to be able to trace the block layer actions
20 on a given queue. Tracing allows you to see any traffic happening
21 on a block device queue. For more information (and the user space
22 support tools needed), fetch the blktrace app from:
23
24 git://brick.kernel.dk/data/git/blktrace.git
25
14source block/Kconfig.iosched 26source block/Kconfig.iosched