From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: [PATCH net-next] tcp: TCP_NOSENT_LOWAT socket option
Date: Mon, 22 Jul 2013 17:40:13 -0700
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Cc: 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>
To: Rick Jones <rick.jones2@hp.com>
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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.