[PATCH 10/23] io-controller: Debug hierarchical IO scheduling
Rik van Riel
riel at redhat.com
Sat Aug 29 17:10:34 PDT 2009
Vivek Goyal wrote:
> o Littile debugging aid for hierarchical IO scheduling.
> o Enabled under CONFIG_DEBUG_GROUP_IOSCHED
> o Currently it outputs more debug messages in blktrace output which helps
> a great deal in debugging in hierarchical setup. It also creates additional
> cgroup interfaces io.disk_queue and io.disk_dequeue to output some more
> debugging data.
> Signed-off-by: Gui Jianfeng <guijianfeng at cn.fujitsu.com>
> Signed-off-by: Vivek Goyal <vgoyal at redhat.com>
Acked-by: Rik van Riel <riel at redhat.com>
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