Date: Wed, 27 Aug 2008 11:40:05 GMT From: "Remko Lodder" <remko@elvandar.org> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/126880: CPU usages are unbalanced Message-ID: <200808271140.m7RBe5RN023341@freefall.freebsd.org>
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The following reply was made to PR kern/126880; it has been noted by GNATS.
From: "Remko Lodder" <remko@elvandar.org>
To: "KOIE Hidetaka" <koie@suri.co.jp>
Cc: freebsd-gnats-submit@freebsd.org
Subject: Re: kern/126880: CPU usages are unbalanced
Date: Wed, 27 Aug 2008 13:31:36 +0200 (CEST)
On Wed, August 27, 2008 12:51 pm, KOIE Hidetaka wrote:
>
>>How-To-Repeat:
> This machine is dual-core opteron and dual-socket.
> koie@guriandgura% top -HSn|grep idle
> 11 root 171 ki31 0K 64K RUN 0 26.7H 41.55% {idle:
> cpu0}
> 11 root 171 ki31 0K 64K RUN 2 23.5H 31.88% {idle:
> cpu2}
> 11 root 171 ki31 0K 64K RUN 1 19.9H 15.19% {idle:
> cpu1}
> 11 root 171 ki31 0K 64K RUN 3 20.8H 9.18% {idle:
> cpu3}
> koie@guriandgura%
>
Hello,
What exactly do you want to show/tell us with this? Yes the idle times
are unbalanced, some CPU's can be more busy then others, and thus have
less IDLE time recorded and less CPU spending on being idle (sounds
contradictive :-)), but I do not see that as a problem, remember that
there are unthreaded applications that just work on a single CPU , which
might have been CPU3....
Thanks,
remko
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