From: Eric Dumazet <eric.dumazet@gmail.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: Tom Herbert <therbert@google.com>,
davem@davemloft.net, netdev@vger.kernel.org,
Yakov Lerner <iler.ml@gmail.com>
Subject: Re: [PATCH] tcp: Fix slowness in read /proc/net/tcp
Date: Mon, 07 Jun 2010 12:32:11 +0200 [thread overview]
Message-ID: <1275906731.2545.47.camel@edumazet-laptop> (raw)
In-Reply-To: <87eigjgrcw.fsf@basil.nowhere.org>
Le lundi 07 juin 2010 à 10:49 +0200, Andi Kleen a écrit :
> Eric Dumazet <eric.dumazet@gmail.com> writes:
> >
> > BTW, another problem of /proc/net/tcp is the buffer size used by netstat
> > utility : 1024 bytes instead of PAGE_SIZE, making O(N^2) behavior even
> > more palpable.
>
> That would be easily fixable in netstat.
>
> But I'm not sure net-tools is still maintained as a separate package,
> afaik the standard procedure is to submit a patch to a big distribution
> and the others take it from there.
Well, it seems this is fixed in latest netstat, sorry for the noise (I
still have machines with RHEL 4)
prev parent reply other threads:[~2010-06-07 10:32 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-07 3:27 [PATCH] tcp: Fix slowness in read /proc/net/tcp Tom Herbert
2010-06-07 7:19 ` Eric Dumazet
2010-06-07 7:55 ` David Miller
2010-06-07 8:49 ` Andi Kleen
2010-06-07 10:32 ` Eric Dumazet [this message]
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