Don't know if it might help but:
http://en.wikipedia.org/wiki/RDTSC
cabal install rdtsc
http://hackage.haskell.org/packages/archive/rdtsc/1.1.1/doc/html/System-CPUTime-Rdtsc.html

Regards,
CS

2009/1/9 Bulat Ziganshin <bulat.ziganshin@gmail.com>
Hello Mauricio,

Friday, January 9, 2009, 4:01:18 PM, you wrote:

> computer has been turned on would do all I need. Or,
> maybe, how much has elapsed since the program started.

i think you should look into system counters (if you on windows). for
example, task managet in vista shows time since reboot, i think that
in registry it should be available in previous windowses too. at the
cpu level, there is cpu ticks counter, it should be readable via
special libraries


--
Best regards,
 Bulat                            mailto:Bulat.Ziganshin@gmail.com

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