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From a4f7690739cb14ef83adfccebf32a628c9718ce0 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 bytes_acked & bytes_received
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1269114
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Upstream Status: iproute2.git commit 1a4dda7103bcd
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commit 1a4dda7103bcd5efcca72ffe03eef43318897dae
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Author: Eric Dumazet <edumazet@google.com>
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Date: Mon May 11 10:03:49 2015 -0700
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ss: add support for bytes_acked & bytes_received
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tcp_info has 2 new fields : bytes_acked & bytes_received
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$ ss -ti src :22
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...
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cubic wscale:7,6 rto:234 rtt:33.199/17.225 ato:17.225 mss:1418 cwnd:9
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ssthresh:9 send 3.1Mbps lastsnd:3 lastrcv:4 lastack:193
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bytes_acked:188396 bytes_received:13639 pacing_rate 6.2Mbps unacked:1
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retrans:0/4 reordering:4 rcv_rtt:47.25 rcv_space:28960
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Signed-off-by: Eric Dumazet <edumazet@google.com>
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---
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misc/ss.c | 9 +++++++++
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1 file changed, 9 insertions(+)
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diff --git a/misc/ss.c b/misc/ss.c
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index b9b2081..b1e8a8c 100644
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--- a/misc/ss.c
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+++ b/misc/ss.c
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@@ -761,6 +761,8 @@ struct tcpstat
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unsigned int lastack;
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double pacing_rate;
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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 unacked;
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unsigned int retrans;
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unsigned int retrans_total;
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@@ -1683,6 +1685,11 @@ static void tcp_stats_print(struct tcpstat *s)
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if (s->ssthresh)
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printf(" ssthresh:%d", s->ssthresh);
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+ if (s->bytes_acked)
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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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+
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if (s->dctcp && s->dctcp->enabled) {
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struct dctcpstat *dctcp = s->dctcp;
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@@ -1974,6 +1981,8 @@ static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r,
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info->tcpi_max_pacing_rate != ~0ULL)
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s.pacing_rate_max = info->tcpi_max_pacing_rate * 8.;
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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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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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