[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <47003742.5090604@tmr.com>
Date: Sun, 30 Sep 2007 19:54:42 -0400
From: Bill Davidsen <davidsen@....com>
To: Matthew <jackdachef@...il.com>
CC: linux-kernel@...r.kernel.org, mingo@...ara.csoma.elte.hu
Subject: Re: [patch/backport] CFS scheduler, -v22, for v2.6.23-rc8, v2.6.22.8,
v2.6.21.7, v2.6.20.20
Matthew wrote:
> Hi Ingo & everbody on the list,
>
> first of all: many thanks for developing this great scheduler (also:
> kudos to Con Kolivas for having developed SD & CK-patchset)
>
> (this is my second mail to this list and I hope I'm doing everything right)
>
> I'm doing some backup during work right now: rsyncing my home
> partition (nearly 180 GB) to another harddrive locally &
> since I'm running compiz-fusion, openoffice and gnome, therefore am in
> some real "working environment" I thought:
> give Ingo's new scheduler a test-ride during heavy load ;)
>
> first some impressions:
> cpu load balancing looks great again (pretty symmetrical loading on
> both cores - it looks pretty similar to 19.1 if not better if I recall
> right),
> v20 wasn't that "good-looking" ;) (with gnome-system-monitor)
>
> both cpus have a continous load of ~ 70% right now so I'll be
> starting up 9 instances of glxgears, below are some output & details
> of my system
> (cpu frequency switching is disabled since it doesn't work right now
> with the current bios version)
>
> short summary: unfortunately after starting glxgears everything
> stuttered a lot, don't know if it's expactable during that heavy load
> - just wanted to let you know; after having closed each instance of
> glxgears, everything was fine again ...
>
> cat /proc/sched_debug
> Sched Debug Version: v0.05-v22, 2.6.23-rc8-cfs-v22 #1
> now at 3890590.670323 msecs
> .sysctl_sched_latency : 20.000000
> .sysctl_sched_nr_latency : 0.000020
> .sysctl_sched_wakeup_granularity : 2.000000
> .sysctl_sched_batch_wakeup_granularity : 25.000000
> .sysctl_sched_child_runs_first : 0.000001
> .sysctl_sched_features : 3
>
Try setting features to 14. That helps my similar issues.
--
Bill Davidsen <davidsen@....com>
"We have more to fear from the bungling of the incompetent than from
the machinations of the wicked." - from Slashdot
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists