svn commit: r210444 - head/sys/x86/x86
Doug Barton
dougb at FreeBSD.org
Sat Jul 24 19:26:49 UTC 2010
On Sat, 24 Jul 2010, Alexander Motin wrote:
> Author: mav
> Date: Sat Jul 24 10:49:59 2010
> New Revision: 210444
> URL: http://svn.freebsd.org/changeset/base/210444
>
> Log:
> Increment td->td_intr_nesting_level for LAPIC timer interrupts. Among other
> things it hints SCHED_ULE to run clock swi handlers on their native CPUs,
> avoiding many unneeded IPI_PREEMPT calls.
Will this help SCHED_4BSD at all? I'm finding it to be slightly better
for interactivity on a loaded system, but frankly at this point they
both leave a lot to be desired.
Doug
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