Re: strange `time' results on dual-processor P6 systems

Alan Cox (alan@lxorguk.ukuu.org.uk)
Fri, 31 Jan 1997 20:13:23 +0000 (GMT)

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In reply to: Marco Bravi: "AHA-2940UW Nightmares - Further info..."

> The CPU's are spinning in kernel mode on the master kernel lock we
> have for SMP. Userland is of course multi threaded on SMP, but the
> kernel is simgle threaded so all those faults being done by your test
> program must be processed serially.

Actually dave the kernel/user accounting for CPU > 0 is backwards ;)

Alan

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