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blkio: Some debugging aids for CFQ

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o Some debugging aids for CFQ.

Signed-off-by: Vivek Goyal <[email protected]>
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Vivek Goyal 2009-12-03 12:59:48 -05:00 • committed by Jens Axboe
commit 2868ef7b39
5 changed files with 53 additions and 1 deletions
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9
block/Kconfig
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@ -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