netdev - Re: [PATCH v3 1/6] net: pad skb data and shinfo as a whole rather than individually

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Message-ID: <1328089127.17444.9.camel@zakaz.uk.xensource.com>
Date:	Wed, 1 Feb 2012 09:38:47 +0000
From:	Ian Campbell <Ian.Campbell@...rix.com>
To:	Francois Romieu <romieu@...zoreil.com>
CC:	Eric Dumazet <eric.dumazet@...il.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: [PATCH v3 1/6] net: pad skb data and shinfo as a whole rather
 than individually

On Tue, 2012-01-31 at 14:54 +0000, Francois Romieu wrote:
> Ian Campbell <Ian.Campbell@...rix.com> :
> [...]
> > I'm using a single NIC transmitter, no delay, 1000000 clones of each skb
> > and I've tried 60 and 1500 byte packets. In the 60 byte case I see more
> > like 50k pps
> 
> At this stage 'tools/perf/perf top -G graph' sometimes helps me discover
> debug options that I had left enabled.

Thanks for the tip, I'll give it a look.

Ian.

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