Date: Mon, 09 May 2005 13:03:23 -0400 From: "M. Parsons" <mrparsons@gmail.com> To: freebsd-questions@freebsd.org Subject: Re: Is this a high interrupt rate for nics? Message-ID: <427F97DB.1040402@gmail.com> In-Reply-To: <20050509144426.GD981@eucla.lemis.com> References: <427E0DD0.4010806@gmail.com> <20050509144426.GD981@eucla.lemis.com>
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Greg 'groggy' Lehey wrote: >On Sunday, 8 May 2005 at 9:02:08 -0400, M. Parsons wrote: > > >>Freebsd-5.3 SMP Kernel. Polling enabled. >> >>bash-2.05b$ vmstat -i >>interrupt total rate >>irq5: ep0 2937064 1 >>irq11: ed0 298318862 165 >>irq10: de0 276544892 152 >> >>Are those normal for ed0 and de0? Compared to the ep0 nic of rate >>of 1 (although the ep0 nic is not used as much as the other two nics >>obviously). >> >> > >Depends on what you mean by "normal". You'll get one interrupt per >packet, and those rates are perfectly normal. If you're not >transferring anything, you shouldn't be getting any interrupts. > > > Ok, thats what I thought. Just seeing the difference between ep0 and the other two made me a little confused. And seeing as ed0 and de0 are used about 100x more often than the ep0, those numbers seem about right then. Thanks for the answer. Mark
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