Messages in this thread | | | From | Bodo Eggert <> | Subject | Re: [PATCH] Re: Bad network performance over 2Gbps | Date | Sat, 19 Apr 2008 17:05:06 +0200 |
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Kok, Auke <auke-jan.h.kok@intel.com> wrote:
> [X86] IRQBALANCE: Mark as BROKEN and disable by default > > The IRQBALANCE option causes interrupts to bounce all around on SMP systems > quickly burying the CPU in migration cost and cache misses. Mainly affected > are network interrupts and this results in one CPU pegged in softirqd > completely.
If this is the problem, maybe it would help to only balance the IRQs each e.g. ten seconds? Unfortunately I have no SMP system to try it out.
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