Re: [patch] latency tracer, 2.6.15-rc7

From: Lee Revell
Date: Sun Jan 01 2006 - 14:05:41 EST


On Sun, 2006-01-01 at 14:02 -0500, Lee Revell wrote:
> On Sun, 2006-01-01 at 10:56 -0800, Linus Torvalds wrote:
> > The thing is, "maxbatch" doesn't actually _work_ because what happens
> > is that the tasklet will continually re-schedule itself, and the
> > caller will keep calling it. So maxbatch is actually broken.
> >
> > However, what happens is that after kernel/softirq.c has called the
> > tasklet ten times, and it is still pending, it will do the softirq in
> > a thread (see the "max_restart" logic).
>
> Ah OK thanks for the explanation. I'll try Paul's patch (yours did not
> seem to help).
>

s/try Paul's patch/set maxbatch to 10/



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