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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. > > 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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