netdev - Re: r8169 regression: UDP packets dropped intermittantly

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Message-ID: <20151119005608.GB4882@electric-eye.fr.zoreil.com>
Date:	Thu, 19 Nov 2015 01:56:08 +0100
From:	Francois Romieu <romieu@...zoreil.com>
To:	Jonathan Woithe <jwoithe@...ad.com.au>
Cc:	netdev@...r.kernel.org
Subject: Re: r8169 regression: UDP packets dropped intermittantly

Jonathan Woithe <jwoithe@...ad.com.au> :
[...]
> I could try.  What's the most reliable way to determine this?  Use regular
> ethtool queries about the time of the failures?

If you are neither space nor cpu constrained:

while : ; do
	echo $(date +%s.%N):$(ethtool -d eth0 raw on | base64 -w 0):$(ethtool -S eth0 | base64 -w 0)
	sleep 1
done > gloubi

Expect 2.5~3Mo per hour.

(I like gnuplot with lots of points and repetitive patterns)

-- 
Ueimor
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