Re: [PATCH 7/7] CPU controller V1 - (temporary) cpuset interface

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On Tue, 2006-08-22 at 19:31 +0530, Srivatsa Vaddagiri wrote:
> On Tue, Aug 22, 2006 at 03:23:29PM +0000, Mike Galbraith wrote:
> > > I try it with everything in either root or mikeg.
> 
> How did you transfer everything to root? By cat'ing each task pid
> (including init's) to root (or mikeg) task's file?

Yes.

> I will give your experiment a try here and find out what's happening.
> 
> You said that you spawn a task which munches ~80% cpu. Is that by
> something like:
> 
> do {
> 	gettimeofday(&t1, NULL);
> loop:
> 	gettimeofday(&t2, NULL);
> 	while (t2.tv_sec - t1.tv_sec != 48)
> 		goto loop;
> 	sleep 12
> 
> } while (1);

Yeah, a sleep/burn loop.  The proggy is a one of several scheduler
exploits posted to lkml over the years.  The reason I wanted to test
this patch set was to see how well it handles various nasty loads.

	-Mike

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