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[opensuse] irq_balancer service on single cpu
  • From: Tom Patton <thpnalb@xxxxxxxxxxxxx>
  • Date: Tue, 13 Feb 2007 00:08:29 -0700
  • Message-id: <1171350509.16925.21.camel@xxxxxxxxxxx>
thpnalb@master:~> uname -a
Linux master 2.6.18.2-34-default #1 SMP Mon Nov 27 11:46:27 UTC 2006
i686 athlon i386 GNU/Linux

As mentioned in other threads, the default kernel is SMP.

I noticed that the irq_balancer service was enabled with an *,
indicating that it was _not_ running. I disabled it in two 10.2 pc's
here, YAST did its "stop" thing, and the return was "success". Seems
like it _was_ running, I think...

The result so far has been dramatic. A very simple example is kpat, the
card game...with the service off, X response is smooth and fast. With
the service on, card movement is slightly jerky. This is an ATI 9800
graphics card with 3d enabled.

Perhaps a contributing factor is that I have 3 pci video cards, 2 of
which are motion-detecting 6 cameras in zoneminder & mysql & apache, so
my system is heavy on the irq's.

But for whatever reason, I can say for certain it is better off without
the irq_balancer enabled!

Tom in NM






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