interesting(?) data on network interrupt servicing

Paolo Pisati p.pisati at oltrelinux.com
Thu Mar 23 00:32:56 UTC 2006


On Wed, Mar 22, 2006 at 03:45:12PM -0500, John Baldwin wrote:
> This is going out to the I/O APIC and writing a bit to mask the
> interrupt until the handler has run.  Is he using a kernel that
> has SMP enabled?  If so, turning SMP off might make things
> slightly better.

7.x:
SMP is on, PREEMPTION if off

4.x:
SMP is off (doesn't boot on a UP box with SMP turned on)

-- 

Paolo

"le influenze esterne sono troppe, il mondo reale non e' mica 
quello fatato dei komunisti :-p" - Anonymous Lumbard


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