From: Hannes Frederic Sowa <hannes@stressinduktion.org>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Rick Jones <rick.jones2@hp.com>,
David Miller <davem@davemloft.net>,
netdev <netdev@vger.kernel.org>,
Yuchung Cheng <ycheng@google.com>,
Neal Cardwell <ncardwell@google.com>,
Michael Kerrisk <mtk.manpages@gmail.com>
Subject: Re: [PATCH net-next] tcp: TCP_NOSENT_LOWAT socket option
Date: Tue, 23 Jul 2013 03:20:02 +0200 [thread overview]
Message-ID: <20130723012002.GA30719@order.stressinduktion.org> (raw)
In-Reply-To: <1374540013.4990.100.camel@edumazet-glaptop>
On Mon, Jul 22, 2013 at 05:40:13PM -0700, Eric Dumazet wrote:
> On Mon, 2013-07-22 at 17:13 -0700, Eric Dumazet wrote:
>
> >
> > Performance counter stats for './netperf -H 10.246.17.84 -l 20 -t TCP_SENDFILE -c':
> >
> > 714,395 context-switches
>
> Hmm, actually I need to send a v3, because sk_stream_write_space() is
> waking sockets too often.
Do you implement SO_SNDLOWAT? :)
Greetings,
Hannes
next prev parent reply other threads:[~2013-07-23 1:20 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-07-22 19:13 [PATCH net-next] tcp: TCP_NOSENT_LOWAT socket option Eric Dumazet
2013-07-22 19:28 ` Eric Dumazet
2013-07-22 20:43 ` Rick Jones
2013-07-22 22:44 ` Eric Dumazet
2013-07-22 23:08 ` Rick Jones
2013-07-23 0:13 ` Eric Dumazet
2013-07-23 0:40 ` Eric Dumazet
2013-07-23 1:20 ` Hannes Frederic Sowa [this message]
2013-07-23 1:33 ` Eric Dumazet
2013-07-23 2:32 ` Eric Dumazet
2013-07-23 15:25 ` Rick Jones
2013-07-23 15:28 ` Eric Dumazet
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