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Date:      Thu, 15 Dec 2011 15:58:04 -0500
From:      Mike Tancsa <mike@sentex.net>
To:        Attilio Rao <attilio@freebsd.org>
Cc:        Ivan Klymenko <fidaj@ukr.net>, mdf@freebsd.org, Doug Barton <dougb@freebsd.org>, freebsd-stable@freebsd.org, Jilles Tjoelker <jilles@stack.nl>, "O. Hartmann" <ohartman@mail.zedat.fu-berlin.de>, Current FreeBSD <freebsd-current@freebsd.org>, freebsd-performance@freebsd.org
Subject:   Re: SCHED_ULE should not be the default
Message-ID:  <4EEA5F5C.8080503@sentex.net>
In-Reply-To: <CAJ-FndCsGUTHM2AY3C%2B2ucup9=B5k0WPKmfcy4SDKNb0xv85BQ@mail.gmail.com>
References:  <4EE1EAFE.3070408@m5p.com>	<4EE22421.9060707@gmail.com>	<4EE6060D.5060201@mail.zedat.fu-berlin.de>	<4EE69C5A.3090005@FreeBSD.org>	<20111213104048.40f3e3de@nonamehost.>	<20111213230441.GB42285@stack.nl>	<4ee7e2d3.0a3c640a.4617.4a33SMTPIN_ADDED@mx.google.com>	<CAMBSHm89SkzGVgk9kNwBQoR62pXKjhJ%2BqXJK0qwC20r9p%2Bu-bw@mail.gmail.com>	<4EE8D607.1000504@sentex.net>	<CAJ-FndBP1C5W-LAB4QF-ro%2BuaEaTx7ZzAAS3nXFY_82WXt53YQ@mail.gmail.com>	<4EEA227E.7080704@sentex.net>	<CAJ-FndAR10dwgtb11BLG2savNc8ZX9_nSkaj%2B5_RthDhsOgTnQ@mail.gmail.com>	<4EEA25BB.7040706@sentex.net> <CAJ-FndCsGUTHM2AY3C%2B2ucup9=B5k0WPKmfcy4SDKNb0xv85BQ@mail.gmail.com>

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On 12/15/2011 11:56 AM, Attilio Rao wrote:
> So, as very first thing, can you try the following:
> - Same codebase, etc. etc.
> - Make the test 4 times, discard the first and ministat for the other 3
> - Reboot
> - Change the steal_thresh value
> - Make the test 4 times, discard the first and ministat for the other 3
> 
> Then report discarded values and the ministated one and we will have
> more informations I guess
> (also, I don't think devfs contention should play a role here, thus
> nevermind about it for now).


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	---Mike


-- 
-------------------
Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike@sentex.net
Providing Internet services since 1994 www.sentex.net
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