linux-kernel - Re: posible latency issues in seq

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Message-ID: <46A4E94A.3030301@nortel.com>
Date:	Mon, 23 Jul 2007 11:45:46 -0600
From:	"Chris Friesen" <cfriesen@...tel.com>
To:	Eric Dumazet <dada1@...mosbay.com>
CC:	Lee Revell <rlrevell@...-job.com>, linux-kernel@...r.kernel.org,
	linux-net@...r.kernel.org
Subject: Re: posible latency issues in seq_read

Eric Dumazet wrote:

> The problem is in established_get_next() and established_get_first() not 
> allowing softirq processing, while scanning a possibly huge hash table, 
> even if few sockets are hashed in.
> 
> As cond_resched_softirq() was added in linux-2.6.11, you probably *need* 
> to check the diffs between linux-2.6.10 & linux-2.6.11

Thanks for the pointers to the likely culprits.

Chris
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