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| author | Vivek Goyal <vgoyal@redhat.com> | 2009-12-03 12:59:48 -0500 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2009-12-03 19:28:52 +0100 |
| commit | 2868ef7b39490e6b41c2c61cd9a5cd891e778b54 (patch) | |
| tree | e50e169e984d8bd201de2f73f98e31a65c028feb /block/Kconfig.iosched | |
| parent | b1c3576961847da26c91b1e97f226bb66be5fa3f (diff) | |
| download | lwn-2868ef7b39490e6b41c2c61cd9a5cd891e778b54.tar.gz lwn-2868ef7b39490e6b41c2c61cd9a5cd891e778b54.zip | |
blkio: Some debugging aids for CFQ
o Some debugging aids for CFQ.
Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'block/Kconfig.iosched')
| -rw-r--r-- | block/Kconfig.iosched | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched index fa95fa770570..b71abfb0d726 100644 --- a/block/Kconfig.iosched +++ b/block/Kconfig.iosched @@ -40,6 +40,15 @@ config CFQ_GROUP_IOSCHED ---help--- Enable group IO scheduling in CFQ. +config DEBUG_CFQ_IOSCHED + bool "Debug CFQ Scheduling" + depends on CFQ_GROUP_IOSCHED + select DEBUG_BLK_CGROUP + default n + ---help--- + Enable CFQ IO scheduling debugging in CFQ. Currently it makes + blktrace output more verbose. + choice prompt "Default I/O scheduler" default DEFAULT_CFQ |