From: Wei Wang <wei...@google.com>
tcpi_rcv_ssthresh is an important stats when debugging receive side
behavior.
Add it to the ss output.
Signed-off-by: Wei Wang <wei...@google.com>
Signed-off-by: Eric Dumazet <eduma...@google.com>
---
misc/ss.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/misc/ss.c b/misc/ss.c
index b5099d1e..90da93e3 100644
--- a/misc/ss.c
+++ b/misc/ss.c
@@ -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)
--
2.15.1.424.g9478a66081-goog
