Re: Accurately measure CPU cycles used by a program? thanks
J.A. Magallon (jamagallon@able.es)
Tue, 30 Apr 2002 00:22:43 +0200
On 2002.04.30 Wanghong Yuan wrote:
>Is there any package or program, which can be used to accurately measure the
>CPU cycles used by a program? I think the following code can only provide an
>inaccurate one, beause it may count on the waiting time of the program.
>
>gettimeofday(t1)
>runprogam
>gettimeofday(t2)
>t2-t1
>
>If I need to instrument the kernel, which part I should investigate? Thanks
>a lot in advance
>
man getrusage
--
J.A. Magallon # Let the source be with you...
mailto:jamagallon@able.es
Mandrake Linux release 8.3 (Cooker) for i586
Linux werewolf 2.4.19-pre7-jam7 #1 SMP jue abr 25 00:19:56 CEST 2002 i686
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