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authorVivek Goyal <vgoyal@redhat.com>2009-12-03 12:59:48 -0500
committerJens Axboe <jens.axboe@oracle.com>2009-12-03 19:28:52 +0100
commit2868ef7b39490e6b41c2c61cd9a5cd891e778b54 (patch)
treee50e169e984d8bd201de2f73f98e31a65c028feb /block/Kconfig.iosched
parentb1c3576961847da26c91b1e97f226bb66be5fa3f (diff)
downloadkernel-2868ef7b39490e6b41c2c61cd9a5cd891e778b54.tar.gz
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.iosched9
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