On Tue, May 26, 2015 at 02:54:41PM -0400, Craig Gallek wrote: > Two new tcp_info fields: tcpi_segs_in and tcpi_segs_out. > (2efd055c53c06b7e89c167c98069bab9afce7e59) > > ~: ss -ti src :22 > 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 > > Signed-off-by: Craig Gallek <[email protected]>
Cool, thanks Craig. Reviewed-by: Marcelo Ricardo Leitner <[email protected]> > --- > include/linux/tcp.h | 4 +++- > misc/ss.c | 8 ++++++++ > 2 files changed, 11 insertions(+), 1 deletion(-) > > diff --git a/include/linux/tcp.h b/include/linux/tcp.h > index 8b17cff..1e9b4a6 100644 > --- a/include/linux/tcp.h > +++ b/include/linux/tcp.h > @@ -192,8 +192,10 @@ struct tcp_info { > > __u64 tcpi_pacing_rate; > __u64 tcpi_max_pacing_rate; > - __u64 tcpi_bytes_acked; /* RFC4898 tcpEStatsAppHCThruOctetsAcked */ > + __u64 tcpi_bytes_acked; /* RFC4898 tcpEStatsAppHCThruOctetsAcked */ > __u64 tcpi_bytes_received; /* RFC4898 > tcpEStatsAppHCThruOctetsReceived */ > + __u32 tcpi_segs_out; /* RFC4898 tcpEStatsPerfSegsOut */ > + __u32 tcpi_segs_in; /* RFC4898 tcpEStatsPerfSegsIn */ > }; > > /* for TCP_MD5SIG socket option */ > diff --git a/misc/ss.c b/misc/ss.c > index dba0901..3e01f88 100644 > --- a/misc/ss.c > +++ b/misc/ss.c > @@ -769,6 +769,8 @@ struct tcpstat > double pacing_rate_max; > unsigned long long bytes_acked; > unsigned long long bytes_received; > + unsigned int segs_out; > + unsigned int segs_in; > unsigned int unacked; > unsigned int retrans; > unsigned int retrans_total; > @@ -1695,6 +1697,10 @@ static void tcp_stats_print(struct tcpstat *s) > printf(" bytes_acked:%llu", s->bytes_acked); > if (s->bytes_received) > printf(" bytes_received:%llu", s->bytes_received); > + if (s->segs_out) > + printf(" segs_out:%u", s->segs_out); > + if (s->segs_in) > + printf(" segs_in:%u", s->segs_in); > > if (s->dctcp && s->dctcp->enabled) { > struct dctcpstat *dctcp = s->dctcp; > @@ -1990,6 +1996,8 @@ static void tcp_show_info(const struct nlmsghdr *nlh, > struct inet_diag_msg *r, > } > s.bytes_acked = info->tcpi_bytes_acked; > s.bytes_received = info->tcpi_bytes_received; > + s.segs_out = info->tcpi_segs_out; > + s.segs_in = info->tcpi_segs_in; > tcp_stats_print(&s); > if (s.dctcp) > free(s.dctcp); > -- > 2.2.0.rc0.207.ga3a616c > -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
