netdev - RE: [Bugme-new] [Bug 10600] New: e1000 updates rx

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Message-ID: <36D9DB17C6DE9E40B059440DB8D95F52051AB314@orsmsx418.amr.corp.intel.com>
Date:	Tue, 6 May 2008 13:49:13 -0700
From:	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>
To:	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
	"Ben Liblit" <liblit@....org>, "Michael Chan" <mchan@...adcom.com>
Cc:	"David Miller" <davem@...emloft.net>, <akpm@...ux-foundation.org>,
	"netdev" <netdev@...r.kernel.org>,
	<bugme-daemon@...zilla.kernel.org>,
	"Ronciak, John" <john.ronciak@...el.com>
Subject: RE: [Bugme-new] [Bug 10600] New: e1000 updates rx_bytes infrequently

Brandeburg, Jesse wrote:
>Ben Liblit wrote:
>> Michael Chan wrote:
>>> "ethtool -C eth0 stats-block-usecs" can be used to control
statistics
>>> update frequency on most tg3 and bnx2 devices.
>> 
>> But not on my e1000-driven Intel 82566DC, sadly:

> e1000 commit ef90e4eca9fcade05dd03f853df75cf459a75422

> and for e1000e (which you should be using for 82566)
> commit 419886927796dfeca87c1fd11d1fe2ed442103cc

> I'm not sure if this patch is in 2.6.24 and my git foo is lacking...
> is this patch not working for you?  if so we need to figure out why.

I found that these commits (to do real time stats update) are in
2.6.25-rc1, not 2.6.24, it would be great if you were able to try a
newer kernel version to verify that these fixes work for you.

an ethtool -C parameter implementation to support modifiable polling
frequency for the other stats is in progress.

Jesse
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