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[Caml-list] Profiling a function execution
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Date: 2003-11-26 (12:23)
From: Ville-Pertti Keinonen <will@e...>
Subject: Re: [Caml-list] Profiling a function execution
On Tue, Nov 25, 2003 at 07:05:53PM +0100, Xavier Leroy wrote:

> At least under Linux, getrusage() doesn't provide more accuracy than
> times(), since the kernel maintains user and system time as an
> integral number of clock ticks.  I haven't looked at other Unix
> kernels, but I suspect that the additional precision made possible by
> the getrusage() syscall is simply not exploited.  

4.4 BSD derivatives (except Darwin/MacOS X).


> (Besides, times() is part of the POSIX standard while getrusage() is not,
> meaning less portability.)

You can always use something like #ifdef HAS_GETRUSAGE

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