Date: Sun, 28 Oct 2007 06:15:27 +0100 (CET) From: "P.U.Kruppa" <ulrich@pukruppa.net> To: Kris Kennaway <kris@freebsd.org> Cc: freebsd-amd64@freebsd.org Subject: Re: Experiences with RELENG_7 Message-ID: <20071028060318.W1571@small> In-Reply-To: <4723DB8F.8060407@FreeBSD.org> References: <20071027202252.GA40377@slackbox.xs4all.nl> <4723CD55.5090307@FreeBSD.org> <20071028000917.GC47576@slackbox.xs4all.nl> <4723DB8F.8060407@FreeBSD.org>
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On Sun, 28 Oct 2007, Kris Kennaway wrote: > Roland Smith wrote: >> On Sun, Oct 28, 2007 at 01:44:21AM +0200, Kris Kennaway wrote: >>> Roland Smith wrote: >>>> Hovewer, sometimes a program seems to hog the CPU for a couple of >>>> seconds (as seen in top(1)) >>> Can you please explain (with supporting paste of command output) what you >>> mean by this? >> >> I'll save some top output next time. But what happened was this; all of >> a sudden the mouse pointer started moving erratically, and the music >> playing in audacious started skipping. All other X programs started >> responding erratically as well. It looked like the X server wasn't >> getting any CPU time. I can see that happening during portupgrade on my 7.0-BETA1 FreeBSD 7.0-BETA1 #0: Sat Oct 27 04:15:22 CEST 2007 amd64 UP-machine as well. Situation has been improved by using SCHED_ULE instead of SCHED_4BSD . >> It also happened with cc1 when I was compiling a port. In that case the >> situation returned to normal when that particular instance was >> finished. That compilation was running in a terminal window that was >> iconified at the time. > > This may be unrelated. The new version of gcc has higher memory > requirements, and it is common for it to access swap during compilation when > the system is also busy running other tasks. If you see it happening with cc > again, make sure to check this. My swap space remains untouched, I have got 2 GB of RAM. Is there - perhaps - some way to tune down gcc's CPU greediness? Regards, Uli. > > Kris > _______________________________________________ > freebsd-amd64@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-amd64 > To unsubscribe, send any mail to "freebsd-amd64-unsubscribe@freebsd.org" > Peter Ulrich Kruppa Wuppertal Germany
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