On Thu, 7 Jun 2007, Bruce Evans wrote:
(Cold client):
834.39 real 1300.21 user 192.19 sys
1323006 voluntary context switches
1526348 involuntary context switches
...
This is with 4BSD, no PREEMPTION, and pagezero disabled. With the
...
The next run will have pagezero resetting its priority when this priority
gets clobbered.
That gave only mainly more voluntary context switches (13.5+ million instead
of the best observed value of 1.3+ million or the value of 2.9+ million
without priority resetting. It reduced the pagezero time from 30 seconds to
24. It didn't change the real time significantly.
Bruce
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