From: Mike Galbraith <efault@gmx.de>
To: Ingo Molnar <mingo@elte.hu>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Dmitry Adamushko <dmitry.adamushko@gmail.com>,
Linux Kernel <linux-kernel@vger.kernel.org>,
Con Kolivas <kernel@kolivas.org>
Subject: Re: SD scheduler testing hitch
Date: Sun, 08 Apr 2007 10:02:04 +0200 [thread overview]
Message-ID: <1176019324.8244.6.camel@Homer.simpson.net> (raw)
In-Reply-To: <1175966255.11408.5.camel@Homer.simpson.net>
On Sat, 2007-04-07 at 19:17 +0200, Mike Galbraith wrote:
> I lowered the time to 500us, and ran at nice -10.. it starves tenpercent
> here every time. (ran as taskset -c 1 nice -n -10 ./fairtest) The
> starving 10% duty cycle task has trouble getting 1% CPU.
Hmm. Playing with it some more today, it still happens, but it's not
very repeatable. Something is odd. I wonder if any SD using readers
will try it.
-Mike
next prev parent reply other threads:[~2007-04-08 8:02 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-04 14:04 [sched] redundant reschedule when set_user_nice() boosts a prio of a task from the "expired" array Dmitry Adamushko
2007-04-04 14:15 ` Ingo Molnar
2007-04-04 15:23 ` Dmitry Adamushko
2007-04-04 20:05 ` [PATCH] " Dmitry Adamushko
2007-04-07 0:03 ` Andrew Morton
2007-04-07 9:16 ` Dmitry Adamushko
2007-04-07 9:24 ` Ingo Molnar
2007-04-07 16:20 ` SD scheduler testing hitch Mike Galbraith
2007-04-07 17:17 ` Mike Galbraith
2007-04-08 8:02 ` Mike Galbraith [this message]
2007-04-09 0:14 ` Dmitry Adamushko
2007-04-09 0:23 ` Dmitry Adamushko
2007-04-09 5:54 ` Mike Galbraith
2007-04-07 9:19 ` [PATCH] [sched] redundant reschedule when set_user_nice() boosts a prio of a task from the "expired" array Ingo Molnar
-- strict thread matches above, loose matches on Subject: below --
2007-04-08 18:34 SD scheduler testing hitch Al Boldi
2007-04-09 6:23 ` Mike Galbraith
2007-04-09 9:20 ` Dmitry Adamushko
2007-04-09 9:57 ` Mike Galbraith
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