netdev - Re: [PATCH iproute2] ss: display pacing_rate/max_pacing

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Message-ID: <20140609123915.657e74ed@nehalam.linuxnetplumber.net>
Date:	Mon, 9 Jun 2014 12:39:15 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH iproute2] ss: display pacing_rate/max_pacing_rate

On Thu, 05 Jun 2014 06:47:37 -0700
Eric Dumazet <eric.dumazet@...il.com> wrote:

> From: Eric Dumazet <edumazet@...gle.com>
> 
> Since linux-3.15, kernel exports tcpi_pacing_rate and
> tcpi_max_pacing_rate in tcp_info
> 
> Add TCP pacing_rate information on ss -i output :
> 
> lpaa23:~# ./ss -ti dst 10.246.7.151
> State      Recv-Q Send-Q   Local Address:Port       Peer Address:Port   
> ESTAB      0      325800    10.246.7.151:57614
> 10.246.7.152:46811   
> 	 cubic wscale:7,7 rto:201 rtt:0.081/0.006 mss:1448 cwnd:90 ssthresh:63
> send 12871.1Mbps pacing_rate 15397.8Mbps unacked:90 retrans:0/305
> rcv_space:29200
> 
> 
> If SO_MAX_PACING_RATE is set on the socket, we add /max_pacing_rate as
> in :
> 
> ... pacing_rate 1570.5Mbps/2.0Gbps ...
> 
> Signed-off-by: Eric Dumazet <edumazet@...gle.com>

Applied
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