Re: Accurately measure CPU cycles used by a program? thanks

J.A. Magallon
2002-04-29T22:22:51Z

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

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J.A. Magallon # Let the source be with you...
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