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From bf3cb083a64373edcad8ef43fe1fdf7ebdd27cb4 Mon Sep 17 00:00:00 2001
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From: Phil Sutter <psutter@redhat.com>
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Date: Thu, 18 Feb 2016 13:36:34 +0100
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Subject: [PATCH] ss: add support for segs_in and segs_out
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1269114
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Upstream Status: iproute2.git commit ecb435eacd501
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commit ecb435eacd50161d2a7cce5731a269ef916c0dd4
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Author: Craig Gallek <kraig@google.com>
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Date: Tue May 26 14:54:41 2015 -0400
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ss: add support for segs_in and segs_out
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Two new tcp_info fields: tcpi_segs_in and tcpi_segs_out.
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(2efd055c53c06b7e89c167c98069bab9afce7e59)
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~: ss -ti src :22
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cubic wscale:7,6 rto:201 rtt:0.244/0.012 ato:40 mss:1418 cwnd:21 bytes_acked:80605 bytes_received:20491 segs_out:414 segs_in:600 send 976.3Mbps lastsnd:23 lastrcv:23 lastack:22 pacing_rate 1952.7Mbps rcv_rtt:98 rcv_space:28960
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Signed-off-by: Craig Gallek <kraig@google.com>
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Reviewed-by: Marcelo Ricardo Leitner <mleitner@redhat.com>
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---
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misc/ss.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/misc/ss.c b/misc/ss.c
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index b1e8a8c..7750887 100644
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--- a/misc/ss.c
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+++ b/misc/ss.c
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@@ -763,6 +763,8 @@ struct tcpstat
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double pacing_rate_max;
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unsigned long long bytes_acked;
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unsigned long long bytes_received;
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+ unsigned int segs_out;
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+ unsigned int segs_in;
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unsigned int unacked;
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unsigned int retrans;
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unsigned int retrans_total;
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@@ -1689,6 +1691,10 @@ static void tcp_stats_print(struct tcpstat *s)
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printf(" bytes_acked:%llu", s->bytes_acked);
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if (s->bytes_received)
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printf(" bytes_received:%llu", s->bytes_received);
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+ if (s->segs_out)
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+ printf(" segs_out:%u", s->segs_out);
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+ if (s->segs_in)
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+ printf(" segs_in:%u", s->segs_in);
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if (s->dctcp && s->dctcp->enabled) {
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struct dctcpstat *dctcp = s->dctcp;
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@@ -1983,6 +1989,8 @@ static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r,
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}
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s.bytes_acked = info->tcpi_bytes_acked;
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s.bytes_received = info->tcpi_bytes_received;
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+ s.segs_out = info->tcpi_segs_out;
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+ s.segs_in = info->tcpi_segs_in;
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tcp_stats_print(&s);
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if (s.dctcp)
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free(s.dctcp);
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--
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1.8.3.1
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