From: Mika Liljeberg <Mika.Liljeberg@welho.com>
To: Ingo Oeser <ingo.oeser@informatik.tu-chemnitz.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>,
Benjamin LaHaise <bcrl@redhat.com>,
Linus Torvalds <torvalds@transmeta.com>,
linux-kernel@vger.kernel.org
Subject: Re: Context switch times
Date: Sun, 07 Oct 2001 17:33:31 +0300 [thread overview]
Message-ID: <3BC067BB.73AF1EB5@welho.com> (raw)
In-Reply-To: <E15pWfR-0006g5-00@the-village.bc.nu> <3BC02709.A8E6F999@welho.com> <20011007150358.G30515@nightmaster.csn.tu-chemnitz.de> <3BC05D2E.94F05935@welho.com> <20011007162439.P748@nightmaster.csn.tu-chemnitz.de>
Ingo Oeser wrote:
> There are idle tasks per CPU. If there are runnable tasks and the
> idle-task of a CPU is running it, it is not fully loaded at this
> time.
>
> No idle task is running, if all CPUs are fully loaded AFAIR.
Yes. However, you still want to balance the queues even if all CPUs are
100% utilized. It's a fairness issue. Otherwise you could have 1 task
running on one CPU and 49 tasks on another.
MikaL
next prev parent reply other threads:[~2001-10-07 14:33 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-04 21:04 Context switch times Mike Kravetz
2001-10-04 21:14 ` arjan
2001-10-04 21:25 ` David S. Miller
2001-10-04 21:39 ` Richard Gooch
2001-10-04 21:52 ` David S. Miller
2001-10-04 21:55 ` Benjamin LaHaise
2001-10-04 22:35 ` Davide Libenzi
2001-10-04 22:49 ` Mike Kravetz
2001-10-04 22:42 ` Linus Torvalds
2001-10-04 22:53 ` Benjamin LaHaise
2001-10-05 15:13 ` Alan Cox
2001-10-05 17:49 ` george anzinger
2001-10-05 22:29 ` Alan Cox
2001-10-05 22:56 ` Davide Libenzi
2001-10-05 23:04 ` Alan Cox
2001-10-05 23:16 ` Davide Libenzi
2001-10-05 23:17 ` Alan Cox
2001-10-05 23:21 ` Davide Libenzi
2001-10-05 23:43 ` Roger Larsson
2001-10-07 1:20 ` george anzinger
2001-10-07 1:33 ` Bill Davidsen
2001-10-07 9:56 ` Alan Cox
2001-10-06 2:24 ` Albert D. Cahalan
2001-10-06 2:57 ` Davide Libenzi
2001-10-07 9:57 ` Mika Liljeberg
2001-10-07 13:03 ` Ingo Oeser
2001-10-07 13:48 ` Mika Liljeberg
2001-10-07 14:24 ` Ingo Oeser
2001-10-07 14:33 ` Mika Liljeberg [this message]
2001-10-07 18:00 ` george anzinger
2001-10-07 22:06 ` Mika Liljeberg
2001-10-07 22:31 ` Davide Libenzi
2001-10-07 22:33 ` Mika Liljeberg
2001-10-07 23:49 ` george anzinger
2001-10-08 21:07 ` Mika Liljeberg
2001-10-08 22:54 ` discontig physical memory Petko Manolov
2001-10-08 23:05 ` David S. Miller
2001-10-08 23:18 ` Petko Manolov
2001-10-08 23:29 ` David S. Miller
2001-10-09 0:34 ` Petko Manolov
2001-10-09 0:36 ` Petko Manolov
2001-10-09 1:37 ` David S. Miller
2001-10-09 2:43 ` Petko Manolov
2001-10-08 15:19 ` Context switch times bill davidsen
2001-10-10 6:07 ` Mike Fedyk
2001-10-07 18:39 ` Davide Libenzi
2001-10-09 20:37 ` Hubertus Franke
2001-10-09 23:50 ` george anzinger
2001-10-11 10:52 ` Hubertus Franke
2001-10-04 23:41 ` Mike Kravetz
2001-10-04 23:50 ` Linus Torvalds
2001-10-05 15:15 ` Eric W. Biederman
2001-10-04 23:56 ` Davide Libenzi
2001-10-05 0:45 ` Andrea Arcangeli
2001-10-05 4:35 ` Mike Kravetz
2001-10-07 17:59 ` Andrea Arcangeli
2001-10-07 19:54 ` george anzinger
2001-10-07 20:24 ` Andrea Arcangeli
2001-10-09 4:55 ` Richard Gooch
2001-10-09 5:00 ` David S. Miller
2001-10-09 13:49 ` bill davidsen
-- strict thread matches above, loose matches on Subject: below --
2001-10-05 6:31 Michailidis, Dimitrios
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