Date: Tue, 1 Jul 2008 11:02:16 +0800 From: "Wilkinson, Alex" <alex.wilkinson@dsto.defence.gov.au> To: freebsd-net@freebsd.org Subject: Re: Freebsd IP Forwarding performance (question, and some info) [7-stable, current, em, smp] Message-ID: <20080701030216.GP3898@stlux503.dsto.defence.gov.au> In-Reply-To: <48699960.9070100@gtcomm.net> References: <4867420D.7090406@gtcomm.net> <200806301944.m5UJifJD081781@lava.sentex.ca> <20080701004346.GA3898@stlux503.dsto.defence.gov.au> <alpine.LFD.1.10.0807010257570.19444@filebunker.xip.at> <20080701010716.GF3898@stlux503.dsto.defence.gov.au> <alpine.LFD.1.10.0807010308320.19444@filebunker.xip.at> <486986D9.3000607@monkeybrains.net> <48699960.9070100@gtcomm.net>
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0n Mon, Jun 30, 2008 at 10:41:36PM -0400, Paul wrote:
>All the NIC drivers in 7 pretty much use interrupt moderation so it can
>never lock the machine anyway.. This effectively kills polling and it
>really no longer has any use except to be able to have a fraction of the
>cpu set aside for user space but you can do that anyway with SMP
what is "interrupt moderation" ?
-aW
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