Date: Tue, 13 Dec 2011 00:15:13 +0000 From: Bruce Cran <bruce@cran.org.uk> To: "O. Hartmann" <ohartman@zedat.fu-berlin.de> Cc: "O. Hartmann" <ohartman@mail.zedat.fu-berlin.de>, Current FreeBSD <freebsd-current@freebsd.org>, freebsd-stable@freebsd.org, freebsd-performance@freebsd.org, Steve Kargl <sgk@troutmask.apl.washington.edu> Subject: Re: SCHED_ULE should not be the default Message-ID: <4EE69911.9040201@cran.org.uk> In-Reply-To: <4EE692D6.5010208@zedat.fu-berlin.de> References: <4EE1EAFE.3070408@m5p.com> <4EE22421.9060707@gmail.com> <4EE6060D.5060201@mail.zedat.fu-berlin.de> <20111212155159.GB73597@troutmask.apl.washington.edu> <4EE6295B.3020308@cran.org.uk> <20111212170604.GA74044@troutmask.apl.washington.edu> <4EE692D6.5010208@zedat.fu-berlin.de>
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On 12/12/2011 23:48, O. Hartmann wrote: > Is the tuning of kern.sched.preempt_thresh and a proper method of > estimating its correct value for the intended to use workload > documented in the manpages, maybe tuning()? I find it hard to crawl a > lot of pros and cons of mailing lists for evaluating a correct value > of this, seemingly, important tunable. Note that I said "for example" :) I was suggesting that there may be sysctl's that can be tweaked to improve performance. -- Bruce Cran
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