Re: interesting(?) data on network interrupt servicing

From: Kris Kennaway <kris_at_obsecurity.org>
Date: Wed, 22 Mar 2006 21:51:34 -0500
On Thu, Mar 23, 2006 at 01:32:28AM +0100, Paolo Pisati wrote:
> 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

Both of those settings look like they should be set oppositely.

Kris

Received on Thu Mar 23 2006 - 01:51:35 UTC

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