From: Eric Dumazet <eric.dumazet@gmail.com>
To: Hannes Frederic Sowa <hannes@stressinduktion.org>
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: Mon, 22 Jul 2013 18:33:23 -0700 [thread overview]
Message-ID: <1374543203.4990.102.camel@edumazet-glaptop> (raw)
In-Reply-To: <20130723012002.GA30719@order.stressinduktion.org>
On Tue, 2013-07-23 at 03:20 +0200, Hannes Frederic Sowa wrote:
> 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? :)
Not exactly.
This is going to be a FAQ I guess ;)
next prev parent reply other threads:[~2013-07-23 1:33 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
2013-07-23 1:33 ` Eric Dumazet [this message]
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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