Re: PATCH: POSIX 1003.1b timer minor fixes

Jamie Lokier (lkd@tantalophile.demon.co.uk)
Thu, 29 Jul 1999 01:10:04 +0200


Philipp Rumpf wrote:
> For real time processes, you don't want to have clock slowing (which isn't
> real clock slowing) the way it is implemented on Intel anyway cause it gets
> your worst-case latency up by up to 9 ms or something.

That's still ok if your real time process is to be scheduled >9ms from now..

> Debugging / profiling is the only real use for the cycle counter right
> now.

It is used in the kernel for fast gettimeofday(), which a lot of
programs use.

-- Jamie

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