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    SubjectRe: [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@tmr.com>
    "We have more to fear from the bungling of the incompetent than from
    the machinations of the wicked." - from Slashdot
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