Re: Error in x86 CPU capabilities starting with test5/6

[Andi Kleen]

On Fri, Nov 17, 2000 at 08:40:27AM -0500, Jeff Garzik wrote:
> Andi Kleen wrote:
> > No it would not. Often you want cycle accurate couting for profiling
> > purposes.
> 
> Isn't that why /dev/cpu/%d/msr exists?

Requires either root privileges or is a big security hole.

[of course rdtsc only works properly on UP or with bind_cpu()]
-Andi
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