Messages in this thread | | | Subject | RE: Large increase in context switch rate | From | Peter Zijlstra <> | Date | Thu, 17 Jul 2008 17:21:43 +0200 |
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On Thu, 2008-07-17 at 16:14 +0100, Alex Nixon (Intern) wrote: > Yeah I've checked - the number of context switches seems to be around > 60k regardless of whether CONFIG_PARAVIRT is switched on, and regardless > of whether it's running in domu or native (-j4 on dual core)
I'm seeing:
procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu------ r b swpd free buff cache si so bi bo in cs us sy id wa st
4 0 0 1148916 120340 472040 0 0 0 1912 2225 3662 78 22 0 0 0 4 0 0 1130192 120556 489844 0 0 0 1974 2220 3461 77 22 0 0 0
doing make -j4
This is on x86_64 SMP PREEMPT HZ=1000 !PARAVIRT (Linus' tree as of somewhere earlier today)
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