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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
parentb1c3576961847da26c91b1e97f226bb66be5fa3f (diff)
downloadlinux-0-day-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')
-rw-r--r--block/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/block/Kconfig b/block/Kconfig
index 6ba1a8e..e20fbde 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -90,6 +90,15 @@ config BLK_CGROUP
control disk bandwidth allocation (proportional time slice allocation)
to such task groups.
+config DEBUG_BLK_CGROUP
+ bool
+ depends on BLK_CGROUP
+ default n
+ ---help---
+ Enable some debugging help. Currently it stores the cgroup path
+ in the blk group which can be used by cfq for tracing various
+ group related activity.
+
endif # BLOCK
config BLOCK_COMPAT