From: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
To: Mike Galbraith <efault@gmx.de>
Cc: Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Dhaval Giani <dhaval@linux.vnet.ibm.com>,
Dmitry Adamushko <dmitry.adamushko@gmail.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [git] CFS-devel, latest code
Date: Tue, 25 Sep 2007 14:41:05 +0530 [thread overview]
Message-ID: <20070925091105.GA1674@linux.vnet.ibm.com> (raw)
In-Reply-To: <20070925085329.GJ26289@linux.vnet.ibm.com>
On Tue, Sep 25, 2007 at 02:23:29PM +0530, Srivatsa Vaddagiri wrote:
> On Tue, Sep 25, 2007 at 10:33:27AM +0200, Mike Galbraith wrote:
> > > Darn, have news: latency thing isn't dead. Two busy loops, one at nice
> > > 0 pinned to CPU0, and one at nice 19 pinned to CPU1 produced the
> > > latencies below for nice -5 Xorg. Didn't kill the box though.
These busy loops - are they spawned by the same user? Is it the root
user? Also is this seen in UP mode also?
Can you also pls check if tuning root user's cpu share helps? Basically,
# echo 4096 > /proc/root_user_share
[or any other higher value]
> Also how do you check se.wait_max?
Ok ..I see that it is in /proc/sched_debug.
--
Regards,
vatsa
next prev parent reply other threads:[~2007-09-25 9:00 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-24 21:45 [git] CFS-devel, latest code Ingo Molnar
2007-09-24 21:55 ` Andrew Morton
2007-09-24 21:59 ` Ingo Molnar
2007-09-25 0:08 ` Daniel Walker
2007-09-25 6:45 ` Ingo Molnar
2007-09-25 15:17 ` Daniel Walker
2007-09-25 6:10 ` Mike Galbraith
2007-09-25 7:35 ` Mike Galbraith
2007-09-25 8:33 ` Mike Galbraith
2007-09-25 8:53 ` Srivatsa Vaddagiri
2007-09-25 9:11 ` Srivatsa Vaddagiri [this message]
2007-09-25 9:15 ` Mike Galbraith
2007-09-25 9:12 ` Mike Galbraith
2007-09-25 9:13 ` Ingo Molnar
2007-09-25 9:17 ` Mike Galbraith
2007-09-25 9:47 ` Ingo Molnar
2007-09-25 10:02 ` Mike Galbraith
2007-09-26 8:04 ` Mike Galbraith
2007-09-28 21:46 ` Bill Davidsen
2007-09-25 9:44 ` Srivatsa Vaddagiri
2007-09-25 9:40 ` Ingo Molnar
2007-09-25 10:10 ` Ingo Molnar
2007-09-25 10:28 ` Srivatsa Vaddagiri
2007-09-25 10:36 ` Ingo Molnar
2007-09-25 11:33 ` Ingo Molnar
2007-09-25 14:48 ` Srivatsa Vaddagiri
2007-09-25 12:51 ` Srivatsa Vaddagiri
2007-09-25 13:35 ` Mike Galbraith
2007-09-25 14:07 ` Srivatsa Vaddagiri
2007-09-25 12:28 ` Mike Galbraith
2007-09-25 12:54 ` Mike Galbraith
[not found] ` <20070925131717.GM26289@linux.vnet.ibm.com>
[not found] ` <1190725693.13716.10.camel@Homer.simpson.net>
[not found] ` <20070925132528.GN26289@linux.vnet.ibm.com>
[not found] ` <1190726682.11260.1.camel@Homer.simpson.net>
[not found] ` <20070925140559.GB26310@linux.vnet.ibm.com>
[not found] ` <20070925143755.GA15594@elte.hu>
[not found] ` <20070926210737.GA8663@elte.hu>
2007-10-01 14:04 ` [RFC/PATCH] Add sysfs control to modify a user's cpu share Dhaval Giani
2007-10-01 14:44 ` Ingo Molnar
2007-10-01 15:32 ` Srivatsa Vaddagiri
2007-10-02 22:12 ` Eric St-Laurent
2007-10-03 4:09 ` Srivatsa Vaddagiri
2007-10-03 17:10 ` [RFC/PATCH -v2] " Dhaval Giani
2007-10-04 7:57 ` Ingo Molnar
2007-10-04 8:54 ` Heiko Carstens
2007-10-04 16:02 ` Bill Davidsen
2007-10-04 17:20 ` Srivatsa Vaddagiri
2007-10-04 21:32 ` Valdis.Kletnieks
2007-10-05 7:01 ` Srivatsa Vaddagiri
2007-10-09 15:12 ` [PATCH sched-devel] Generate uevents for user creation/destruction Srivatsa Vaddagiri
2007-10-10 7:42 ` Ingo Molnar
2007-10-01 16:12 ` [RFC/PATCH] Add sysfs control to modify a user's cpu share Dave Jones
2007-10-01 16:37 ` Srivatsa Vaddagiri
2007-09-25 6:50 ` [git] CFS-devel, latest code S.Çağlar Onur
2007-09-25 9:17 ` Ingo Molnar
2007-09-25 7:41 ` Andrew Morton
2007-09-25 8:43 ` Srivatsa Vaddagiri
2007-09-25 8:48 ` Andrew Morton
2007-09-25 11:00 ` Ingo Molnar
-- strict thread matches above, loose matches on Subject: below --
2007-09-25 14:44 Ingo Molnar
2007-09-25 16:04 ` Srivatsa Vaddagiri
2007-09-25 16:08 ` Srivatsa Vaddagiri
2007-09-25 21:35 Dmitry Adamushko
2007-09-27 7:56 ` Ingo Molnar
2007-09-30 19:13 Dmitry Adamushko
2007-10-01 6:11 ` Ingo Molnar
2007-09-30 19:15 Dmitry Adamushko
2007-10-01 5:53 ` Mike Galbraith
2007-10-01 5:55 ` Ingo Molnar
2007-09-30 19:18 Dmitry Adamushko
2007-10-02 19:49 Dmitry Adamushko
2007-10-02 19:59 ` Dmitry Adamushko
2007-10-03 4:15 ` Srivatsa Vaddagiri
2007-10-04 7:40 ` Ingo Molnar
2007-10-04 7:41 ` Ingo Molnar
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