Message ID | 1372192157.3301.118.camel@edumazet-glaptop |
---|---|
State | Accepted, archived |
Delegated to: | stephen hemminger |
Headers | show |
On Tue, 25 Jun 2013 13:29:17 -0700 Eric Dumazet <eric.dumazet@gmail.com> wrote: > From: Eric Dumazet <edumazet@google.com> > > Allow ss -i to display more TCP informations : > > unacked:N Number of un-acked packets > retrans:X/Y X: number of outstanding retransmit packets > Y: total number of retransmits for the session > lost:N Number of lost packets (tcpi_lost) > sacked:N Number of sacked packets (tcpi_sacked) > facked:N Number of facked packets (tcpi_facked) > reordering:N Reordering level (if different of 3) > > Example : > > $ ss -emoi dst 10.7.7.83 > tcp ESTAB 0 1154056 10.7.7.84:54127 10.7.7.83:34342 > timer:(on,200ms,0) ino:57003 sk:ffff88063c51d0c0 <-> > skmem:(r0,rb89280,t0,tb2097152,f726504,w1436184,o0,bl0) ts sack cubic > wscale:7,6 rto:310 rtt:107.375/1 mss:1448 cwnd:568 ssthresh:108 send > 61.3Mbps unacked:568 retrans:0/21 reordering:127 rcv_space:29200 > > Signed-off-by: Eric Dumazet <edumazet@google.com> > Cc: Yuchung Cheng <ycheng@google.com> > Cc: Neal Cardwell <ncardwell@google.com> Applied -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/misc/ss.c b/misc/ss.c index e0d11ff..c0369f1 100644 --- a/misc/ss.c +++ b/misc/ss.c @@ -1435,6 +1435,19 @@ static void tcp_show_info(const struct nlmsghdr *nlh, struct inet_diag_msg *r, / rtt)); } + if (info->tcpi_unacked) + printf(" unacked:%u", info->tcpi_unacked); + if (info->tcpi_retrans || info->tcpi_total_retrans) + printf(" retrans:%u/%u", info->tcpi_retrans, + info->tcpi_total_retrans); + if (info->tcpi_lost) + printf(" lost:%u", info->tcpi_lost); + if (info->tcpi_sacked && r->idiag_state != SS_LISTEN) + printf(" sacked:%u", info->tcpi_sacked); + if (info->tcpi_fackets) + printf(" fackets:%u", info->tcpi_fackets); + if (info->tcpi_reordering != 3) + printf(" reordering:%d", info->tcpi_reordering); if (info->tcpi_rcv_rtt) printf(" rcv_rtt:%g", (double) info->tcpi_rcv_rtt/1000); if (info->tcpi_rcv_space)