netdev - Re: TCP connection stops after high load.

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Message-ID: <p73y7kx7iol.fsf@bingen.suse.de>
Date:	12 Apr 2007 16:48:10 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Ben Greear <greearb@...delatech.com>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: TCP connection stops after high load.

Ben Greear <greearb@...delatech.com> writes:
> 
> I don't mind adding printks...and I've started reading through the code,
> but there is a lot of it, and indiscriminate printks will likely just
> hide the problem because it will slow down performance so much.

You could add /proc/net/snmp counters for interesting events (e.g. GFP_ATOMIC
allocations failing). Perhaps netstat -s already shows something interesting.

-Andi
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