netdev - Re: [PATCH net-next] l2tp: give proper headroom in pppol2tp

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Message-ID: <1318996826.19139.11.camel@edumazet-laptop>
Date:	Wed, 19 Oct 2011 06:00:26 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next] l2tp: give proper headroom in pppol2tp_xmit()

Le mardi 18 octobre 2011 à 23:34 -0400, David Miller a écrit :
> From: Eric Dumazet <eric.dumazet@...il.com>
> > Maybe we should add a counter to help diagnose too many
> > pskb_expand_head() calls...
> 

> I think it's the kind of event that deserves a tracepoint, this way one
> could use perf to notice and diagnose such problems.

Target of the patch is an embedded device, MIPS based. 

I am not sure perf is available on it.

Thanks


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