Re: irq balancing: performance disaster

Zwane Mwaikambo (zwane@linuxpower.ca)
Sun, 11 May 2003 00:46:30 -0400 (EDT)


On Sat, 10 May 2003, Martin J. Bligh wrote:

> > While tackling bug 699, it became clear to me that irq balancing is the cause
> > of the performance problems I, and all people using the SMP kernel Mandrake
> > 9.1 ships, are dealing with. I got the problems with 2.5.69 too. After
> > disabling irq balancing, the system is remarkably faster, and much more
> > responsive.
> >
> > For those interested in the issue, please look at bug 699.
>
> Could you test out this patch from Keith Mannthey if you're having trouble?
> It makes irq balance a config option, which makes it easier to disable.
> Various people have requested it, but I don't have a box to test it on ;-(
> Pulled out of -mjb tree, but should go onto mainline easily.

What's wrong with the noirqbalance parameter?

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