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Date: Wed, 18 Jan 2006 00:24:36 -0500
From: Kris Kennaway <kris@obsecurity.org>
To: John Baldwin <jhb@freebsd.org>
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Cc: freebsd-sparc64@freebsd.org
Subject: Re: Command to start and stop a cpu
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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.
>=20
> 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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