netdev - Re: ixgbe question

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Message-ID: <19210.54486.353397.804028@gargle.gargle.HOWL>
Date:	Mon, 23 Nov 2009 19:30:46 +0100
From:	robert@...julf.net
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Jesper Dangaard Brouer <hawk@...u.dk>,
	Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: ixgbe question


Eric Dumazet writes:

 > Jesper Dangaard Brouer a écrit :
 > 
 > > How is your smp_affinity mask's set?
 > > 
 > > grep . /proc/irq/*/fiber1-*/../smp_affinity
 > 

 Weird... set clone_skb to 1 to be sure and vary dst or something so 
 the HW classifier selects different queues and with proper RX affinty. 
 
 You should see in /proc/net/softnet_stat something like:

012a7bb9 00000000 000000ae 00000000 00000000 00000000 00000000 00000000 00000000
01288d4c 00000000 00000049 00000000 00000000 00000000 00000000 00000000 00000000
0128fe28 00000000 00000043 00000000 00000000 00000000 00000000 00000000 00000000
01295387 00000000 00000047 00000000 00000000 00000000 00000000 00000000 00000000
0129a722 00000000 0000004a 00000000 00000000 00000000 00000000 00000000 00000000
0128c5e4 00000000 00000046 00000000 00000000 00000000 00000000 00000000 00000000
0128f718 00000000 00000043 00000000 00000000 00000000 00000000 00000000 00000000
012993e3 00000000 0000004a 00000000 00000000 00000000 00000000 00000000 00000000

Or something is...
 
Cheers

					--ro
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