Re: Large increase in context switch rate
From: Jeremy Fitzhardinge
Date: Thu Jul 17 2008 - 11:03:17 EST
Peter Zijlstra wrote:
Is this specific to Xen?, as a native kernel doesn't do more than ~3k
cs/s with make -j3 on my dual core.
No, it doesn't seem to be. A CONFIG_PARAVIRT kernel running on bare
hardware shows the same context switch rate. Merely turning
CONFIG_PARAVIRT on should have no effect on context switch rate (though,
Alex, it would be worth double-checking, just to be sure).
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