Hi,
On 8/17/05, Peter Williams <[email protected]> wrote:
> I was intrigued by the fact that zaphod(d,d) and zaphod(d,0) take longer
> in real time but use less cpu. I was assuming that this meant that some
> other job was getting some cpu but the schedstats data doesn't support
> that. Also it wouldn't make sense anyway as you'd expect jobs doing the
> same amount of work to use roughly the same amount of cpu. My latest
> theory is that your machine has hyper threads and this artifact is
> caused by the mechanism in the scheduler for handling tasks with
> differing priority in sibling hyper thread channels. Does your system
> have hyper threads?
Yes. Please see my first mail:
> info:
> distro: debian 3.1
> cpu: pentium 4 (ht enabled)
Regards,
Michal Piotrowski
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