Command to start and stop a cpu

[Kris Kennaway]

On Tue, Jan 17, 2006 at 01:14:03PM -0500, John Baldwin wrote:
> On Tuesday 17 January 2006 12:28, Joseph Koshy wrote:
> > > I think that is x86-only though.  I don't think there is
> > > support for that on sparc64.
> >
> > SCHED_4BSD uses hlt_cpus_mask.
> 
> Yes, but only i386 and amd64 actually set it and use it to keep CPUs idle:

I'd love a way to halt/disable CPUs on sparc64, because then I could
run comparative benchmarks with 1-14 cpus enabled to test scaling.

Kris
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