[PATCH 23/23] io-controller: debug elevator fair queuing support
vgoyal at redhat.com
Mon Aug 31 14:01:54 PDT 2009
On Mon, Aug 31, 2009 at 04:57:53PM -0400, Rik van Riel wrote:
> Vivek Goyal wrote:
>> o More debugging help to debug elevator fair queuing support. Enabled under
>> CONFIG_DEBUG_ELV_FAIR_QUEUING. Currently it prints vdisktime related
>> trace messages in blktrace.
>> Signed-off-by: Vivek Goyal <vgoyal at redhat.com>
> Is this meant for merging upstream, or just as a temporary
> debugging help while this sits in a subsystem tree or -mm?
I think it would be good if this also is merged upstream. A useful
debugging help to track fairness and latecy related issues.
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