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ss: print tcpi_rcv_ssthresh

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tcpi_rcv_ssthresh is an important stats when debugging receive side
behavior.
Add it to the ss output.

Signed-off-by: Wei Wang <weiwan@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
This commit is contained in:
Wei Wang 2017-12-07 16:12:00 -08:00 committed by Stephen Hemminger
parent 39be47fb5e
commit 00ac78d39c
1 changed files with 4 additions and 0 deletions
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4
misc/ss.c
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@ -751,6 +751,7 @@ struct tcpstat {
double rcv_rtt;
double min_rtt;
int rcv_space;
unsigned int rcv_ssthresh;
unsigned long long busy_time;
unsigned long long rwnd_limited;
unsigned long long sndbuf_limited;
@ -2058,6 +2059,8 @@ static void tcp_stats_print(struct tcpstat *s)
printf(" rcv_rtt:%g", s->rcv_rtt);
if (s->rcv_space)
printf(" rcv_space:%d", s->rcv_space);
if (s->rcv_ssthresh)
printf(" rcv_ssthresh:%u", s->rcv_ssthresh);
if (s->not_sent)
printf(" notsent:%u", s->not_sent);
if (s->min_rtt)
@ -2304,6 +2307,7 @@ static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r,
s.fackets = info->tcpi_fackets;
s.reordering = info->tcpi_reordering;
s.rcv_space = info->tcpi_rcv_space;
s.rcv_ssthresh = info->tcpi_rcv_ssthresh;
s.cwnd = info->tcpi_snd_cwnd;
if (info->tcpi_snd_ssthresh < 0xFFFF)