| Date | Sat, 28 Apr 2001 17:52:42 +0200 (CEST) | From | Ingo Molnar <> | Subject | Re: X15 alpha release: as fast as TUX but in user space (fwd) |
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On Sat, 28 Apr 2001, Andi Kleen wrote:
> You can also just use the cycle counter directly in most modern CPUs. > It can be read with a single instruction. In fact modern glibc will do > it for you when you use clock_gettime(CLOCK_PROCESS_CPUTIME_ID, ...)
well, it's not reliable while using things like APM, so i'd not recommend to depend on it too much.
Ingo
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