Re: [PATCH] i386: Fix softirq accounting with 4K stacks

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On Mon, 2006-06-26 at 04:23 +0200, Mike Galbraith wrote:

> Something is certainly still b0rken.  I still get three different
> answers to the question "what is my cpu usage" depending on
> configuration.  With stock UP kernel with no IO-APIC, interrupt load is
> all hi.  With your patch and IO-APIC, it's all si.  SMP shows a mix of
> both.

I didn't say that quite right.

The third case for my box is XT-PIC and your patch.  Previously, top
showed the 10% interrupt load of a flood ping as all hi.  Now it's both
hi and si when using XT-PIC, but it's no longer the 10% that agreed with
the profile, it's  10% hi, but with an added ~7% si.

	-Mike

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