Date: Mon, 9 May 2005 11:55:53 -0400 From: Kenneth Culver <culverk@sweetdreamsracing.biz> To: Greg 'groggy' Lehey <grog@FreeBSD.org> Cc: freebsd-questions@freebsd.org Subject: Re: Is this a high interrupt rate for nics? Message-ID: <20050509115553.zl2x8lrc00skgoss@www.sweetdreamsracing.biz> In-Reply-To: <20050509144426.GD981@eucla.lemis.com> References: <427E0DD0.4010806@gmail.com> <20050509144426.GD981@eucla.lemis.com>
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Quoting Greg 'groggy' Lehey <grog@FreeBSD.org>: > 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. > These are actually a bit low in my experience for full-speed 100 Mbit/sec traffic... I'll go up to the 2000-3000 range at full 100 Mbit speeds. Ken
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