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). Results and data at http://www.tancsa.com/ule-bsd.html ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/
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