Date: Tue, 13 Dec 2011 20:37:42 -0500 From: George Mitchell <george+freebsd@m5p.com> To: freebsd-stable@freebsd.org Subject: Re: SCHED_ULE should not be the default Message-ID: <4EE7FDE6.2010006@m5p.com> In-Reply-To: <20111213230215.GA83159@blazingdot.com> References: <4EE1EAFE.3070408@m5p.com> <4EE22421.9060707@gmail.com> <4EE6060D.5060201@mail.zedat.fu-berlin.de> <4EE69C5A.3090005@FreeBSD.org> <20111213230215.GA83159@blazingdot.com>
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On 12/13/11 18:02, Marcus Reid wrote: > [...] > The issues that I've seen with ULE on the desktop seem to be caused by X > taking up a steady amount of CPU, and being demoted from being an > "interactive" process. X then becomes the bottleneck for other > processes that would otherwise be "interactive". Try 'renice -20 > <pid_of_X>' and see if that makes your problems go away. > > Marcus > [...] renice on X has no effect. Stopping my compute-bound dnetc process immediately speeds everything up; restarting it slows it back down. On 12/13/11 19:01, mdf@freebsd.org wrote: > [...] > Has anyone experiencing problems tried to set sysctl kern.sched.steal_thresh=1 ? > [...] 1 appears to be the default value for kern.sched.steal_thresh. -- George Mitchell
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