Messages in this thread | | | From | Jose Miguel Pereira Tavares <> | Subject | Re: accurate timing | Date | Wed, 8 Sep 1999 15:32:24 +0100 |
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On Wed, 08 Sep 1999, Oliver Xymoron wrote: >On Tue, 7 Sep 1999, Virginie Galtier wrote: > >> Is it possible to know the time spent by a process into the processor >> with a better accuracy than jiffies (100 jiffies in one second)? > >Not in general. You can recompile with a faster HZ, however.
Or you could take a look into the APIC of the pentium and pentium-pro (and after). Althoug most pentium MB don't enable the APIC (so probably only if you are using a p6 could you use it).
Have a look in Intel Pentium Pro software developer's manual volume 3.
-------------------- Jose Miguel Pereira Tavares --------------------
Talking much about oneself can also be a means to conceal oneself. -- Friedrich Nietzsche
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