Messages in this thread | ![/](/images/icornerl.gif) | | Date | Sat, 28 Apr 2001 15:55:24 +0200 | From | Andi Kleen <> | Subject | Re: X15 alpha release: as fast as TUX but in user space |
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On Sat, Apr 28, 2001 at 04:30:30PM +0300, Ville Herva wrote: > Yes, that's vaguely resembles what I had in mind. Of course I had no idea > about the data structures Tux or X15 use internally, so I couldn't think it > too thoroughly.
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, ...)
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