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Re: [PATCH][v2] cfq-iosched: Add additional blktrace log messages in CFQ for easier debugging.
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From: Jens Axboe
Subject:
Re: [PATCH][v2] cfq-iosched: Add additional blktrace log messages in CFQ for easier debugging.
Date: Thursday, March 25, 2010 - 7:44 am
On Wed, Mar 24 2010, Divyesh Shah wrote:
quoted text
> These have helped us debug some issues we've noticed in earlier IO > controller versions and should be useful now as well. The extra logging > covers: > - idling behavior. Since there are so many conditions based on which we decide > to idle or not, this patch adds a log message for some conditions that we've > found useful. > - workload slices and current prio and workload type > > Changelog from v1: > o moved log message from cfq_set_active_queue() to __cfq_set_active_queue() > o changed queue_count to st->count
Definitely makes sense, thanks I'll queue it up. -- Jens Axboe --
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Messages in current thread:
[PATCH][v2] cfq-iosched: Add additional blktrace log messa ...
, Divyesh Shah
, (Wed Mar 24, 6:38 pm)
Re: [PATCH][v2] cfq-iosched: Add additional blktrace log m ...
, Jens Axboe
, (Thu Mar 25, 7:44 am)
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