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Date: Wed, 22 Oct 2008 10:37:44 -0700 From: Rick Jones <rick.jones2@...com> To: "Brandeburg, Jesse" <jesse.brandeburg@...el.com> CC: Stephen Hemminger <shemminger@...tta.com>, "jeffery.t.kirsher@...el.com" <jeffery.t.kirsher@...el.com>, "Allan, Bruce W" <bruce.w.allan@...el.com>, "Waskiewicz Jr, Peter P" <peter.p.waskiewicz.jr@...el.com>, "e1000-devel@...ts.sourceforge.net" <e1000-devel@...ts.sourceforge.net>, "netdev@...r.kernel.org" <netdev@...r.kernel.org> Subject: Re: [RFC 1/2] igb: statistic optimization > I don't think you want to put this in the code that can be called directly > from IOCTL from userspace. This function can take a lot of cycles and > some silly applications like gkrellm call it quite frequently. The > update_stats function will be called as part of the watchdog anyway, and > you already got the interesting stats for realtime with the tx and rx > bytes/packets. On the flip side aren't there "out of phase" issues with pulling stats based on a timer vs something like a netstat -i 1 command? rick jones -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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