From: "Chris Friesen" <cfriesen@nortel.com>
To: Eric Dumazet <dada1@cosmosbay.com>
Cc: Lee Revell <rlrevell@joe-job.com>,
linux-kernel@vger.kernel.org, linux-net@vger.kernel.org
Subject: Re: posible latency issues in seq_read
Date: Mon, 23 Jul 2007 11:45:46 -0600 [thread overview]
Message-ID: <46A4E94A.3030301@nortel.com> (raw)
In-Reply-To: <46A181A5.5010203@cosmosbay.com>
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
prev parent reply other threads:[~2007-07-23 17:46 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-20 21:15 posible latency issues in seq_read Chris Friesen
2007-07-20 22:18 ` Lee Revell
2007-07-20 22:39 ` Chris Friesen
2007-07-21 3:46 ` Eric Dumazet
2007-07-23 17:45 ` Chris Friesen [this message]
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