From: Rick Jones <rick.jones2@hp.com>
To: "Brandeburg, Jesse" <jesse.brandeburg@intel.com>
Cc: "e1000-devel@lists.sourceforge.net"
<e1000-devel@lists.sourceforge.net>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
"Waskiewicz Jr, Peter P" <peter.p.waskiewicz.jr@intel.com>,
"Allan, Bruce W" <bruce.w.allan@intel.com>,
"jeffery.t.kirsher@intel.com" <jeffery.t.kirsher@intel.com>,
Stephen Hemminger <shemminger@vyatta.com>
Subject: Re: [RFC 1/2] igb: statistic optimization
Date: Wed, 22 Oct 2008 10:37:44 -0700 [thread overview]
Message-ID: <48FF64E8.4050907@hp.com> (raw)
In-Reply-To: <Pine.WNT.4.63.0810211224440.2736@jbrandeb-desk.amr.corp.intel.com>
> 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
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next prev parent reply other threads:[~2008-10-22 17:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-21 19:09 [RFC 1/2] igb: statistic optimization Stephen Hemminger
2008-10-21 19:30 ` Brandeburg, Jesse
2008-10-21 19:31 ` Waskiewicz Jr, Peter P
2008-10-22 17:37 ` Rick Jones [this message]
2008-10-22 17:54 ` Stephen Hemminger
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