Messages in this thread | | | Date | Tue, 10 Apr 2001 11:33:09 +0200 | From | Martin Mares <> | Subject | Re: No 100 HZ timer ! |
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Hi!
> Just how would you do kernel/user CPU time accounting then ? It's currently done > on every timer tick, and doing it less often would make it useless.
Except for machines with very slow timers we really should account time to processes during context switch instead of sampling on timer ticks. The current values are in many situations (i.e., lots of processes or a process frequently waiting for events bound to timer) a pile of random numbers.
Have a nice fortnight -- Martin `MJ' Mares <mj@ucw.cz> <mj@suse.cz> http://atrey.karlin.mff.cuni.cz/~mj/ We all live in a yellow subroutine... - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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