From: Tejun Heo <tj@kernel.org>
To: Vivek Goyal <vgoyal@redhat.com>
Cc: linux-kernel@vger.kernel.org, axboe@kernel.dk, jmoyer@redhat.com
Subject: Re: [PATCH 6/6] cfq-iosched: Print sync-noidle information in blktrace messages
Date: Thu, 6 Dec 2012 11:21:35 -0800 [thread overview]
Message-ID: <20121206192135.GE3676@htj.dyndns.org> (raw)
In-Reply-To: <1349297821-30078-7-git-send-email-vgoyal@redhat.com>
On Wed, Oct 03, 2012 at 04:57:01PM -0400, Vivek Goyal wrote:
> Currently we attach a character "S" or "A" to the cfqq<pid>, to represent
> whether queues is sync or async. Add one more character "N" to represent
> whether it is sync-noidle queue or sync queue. So now three different
> type of queues will look as follows.
>
> cfq1234S --> sync queus
> cfq1234SN --> sync noidle queue
> cfq1234A --> Async queue
>
> Previously S/A classification was being printed only if group scheduling
> was enabled. This patch also makes sure that this classification is
> displayed even if group idling is disabled.
>
> Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
> Acked-by: Jeff Moyer <jmoyer@redhat.com>
Acked-by: Tejun Heo <tj@kernel.org>
Thanks.
--
tejun
next prev parent reply other threads:[~2012-12-06 19:28 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-03 20:56 [PATCH 0/6] cfq-iosched: Some minor cleanups Vivek Goyal
2012-10-03 20:56 ` [PATCH 1/6] cfq-iosched: Properly name all references to IO class Vivek Goyal
2012-10-03 20:56 ` [PATCH 2/6] cfq-iosched: More renaming to better represent wl_class and wl_type Vivek Goyal
2012-12-06 19:17 ` Tejun Heo
2012-10-03 20:56 ` [PATCH 3/6] cfq-iosched: Rename "service_tree" to "st" at some places Vivek Goyal
2012-12-06 19:18 ` Tejun Heo
2012-10-03 20:56 ` [PATCH 4/6] cfq-iosched: Rename few functions related to selecting workload Vivek Goyal
2012-12-06 19:19 ` Tejun Heo
2012-10-03 20:57 ` [PATCH 5/6] cfq-iosched: Get rid of unnecessary local variable Vivek Goyal
2012-12-06 19:20 ` Tejun Heo
2012-10-03 20:57 ` [PATCH 6/6] cfq-iosched: Print sync-noidle information in blktrace messages Vivek Goyal
2012-12-06 19:21 ` Tejun Heo [this message]
2012-12-06 19:23 ` [PATCH 0/6] cfq-iosched: Some minor cleanups Tejun Heo
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