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Date: Sun, 5 Jun 2011 02:31:18 +0200 From: Andi Kleen <andi@...stfloor.org> To: George Spelvin <linux@...izon.com> Cc: andi@...stfloor.org, linux-kernel@...r.kernel.org Subject: Re: How to measure enable_kernel_fpu overhead? On Sat, Jun 04, 2011 at 08:23:23PM -0400, George Spelvin wrote: > > This seems to clever for its own good. Even if you come up with some > > number on one CPU it could be completely different on another. > > I would suggest KISS. > > I don't understand. Do you mean different CPUs of the same SMP system? > That would be really bad... Different CPU models. This years CPUs does this and next years that. > on my systems, it would be easy. But that's so obviously not useful > that I didn't bother to mention it. AFAIK you cannot merge anyways as anonymous, so it's moot. -Andi -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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