linux-kernel - Re: [PATCH 5/5] workqueue: use system_highpri_wq for unbind

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Message-ID: <CAAmzW4MW_O1LRqJ41zQ47sXAjAyi6U=9LPB=Vbrtj+WhtSU2LQ@mail.gmail.com>
Date:	Tue, 14 Aug 2012 02:02:31 +0900
From:	JoonSoo Kim <js1304@...il.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 5/5] workqueue: use system_highpri_wq for unbind_work

2012/8/14 Tejun Heo <tj@...nel.org>:
> On Tue, Aug 14, 2012 at 01:17:52AM +0900, Joonsoo Kim wrote:
>> To speed cpu down processing up, use system_highpri_wq.
>> As scheduling priority of workers on it is higher than system_wq and
>> it is not contended by other normal works on this cpu, work on it
>> is processed faster than system_wq.
>
> Is this from an actual workload?  ie. do you have a test case where
> this matters?

No. it is not from an actual workload.
I got this idea suddenly, during implementing others.
I will do a test for this tomorrow.
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