Date: Mon, 12 Dec 2011 14:23:02 -0500 From: Garrett Wollman <wollman@hergotha.csail.mit.edu> To: bruce@cran.org.uk Cc: stable@freebsd.org Subject: Re: SCHED_ULE should not be the default Message-ID: <20198.21654.915449.536365@hergotha.csail.mit.edu> In-Reply-To: <4EE6295B.3020308@cran.org.uk> References: <4EE1EAFE.3070408@m5p.com> <4EE22421.9060707@gmail.com> <4EE6060D.5060201@mail.zedat.fu-berlin.de> <20111212155159.GB73597@troutmask.apl.washington.edu>
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In article <4EE6295B.3020308@cran.org.uk>, brucecran.org.uk writes: >This isn't something that can be fixed by tuning ULE? For example for >desktop applications kern.sched.preempt_thresh should be set to 224 from >its default. Where do you get that idea? I've never seen any evidence for this proposition (although the claim is repeated often enough). What are the specific circumstances that make this useful? Where did the number come from? -GAWollman
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