capturing DUMP_TCP_INFO stats when possible would be nice

[dtaht]

capturing DUMP_TCP_INFO stats when possible would be nice

[tohojo]

On 3 April 2015 03:33:18 CEST, "Dave Täht" [email protected] wrote:

Each TCP flow on later versions of netperf can dump it's tcp
statistics which seems useful information to collect.

d@nuc-client:~/git/netperf$ DUMP_TCP_INFO=1 netperf -H ranger
MIGRATED TCP STREAM TEST from ::0 (::) port 0 AF_INET6 to ranger ()
port 0 AF_INET6 : demo
tcpi_rto 204000 tcpi_ato 0 tcpi_pmtu 1500 tcpi_rcv_ssthresh 28800
tcpi_rtt 3482 tcpi_rttvar 455 tcpi_snd_ssthresh 91 tpci_snd_cwnd 105
tcpi_reordering 3 tcpi_total_retrans 9
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. 10^6bits/sec

87380 16384 16384 10.04 294.61

d@nuc-client:~/git/netperf$ DUMP_TCP_INFO=1 netperf -H
snapon.lab.bufferbloat.net
MIGRATED TCP STREAM TEST from ::0 (::) port 0 AF_INET6 to
snapon.lab.bufferbloat.net () port 0 AF_INET6 : demo
tcpi_rto 224000 tcpi_ato 0 tcpi_pmtu 1500 tcpi_rcv_ssthresh 28800
tcpi_rtt 23011 tcpi_rttvar 1872 tcpi_snd_ssthresh 7 tpci_snd_cwnd 9
tcpi_reordering 3 tcpi_total_retrans 2
Recv Send Send
Socket Socket Message Elapsed
Size Size Size Time Throughput
bytes bytes bytes secs. 10^6bits/sec

87380 16384 16384 10.42 5.29
d@nuc-client:~/git/netperf$

---

Reply to this email directly or view it on GitHub:
#13

Noted. This is a feature of svn netperf?

[dtaht]

yes. I am hoping rick freezes a 2.7 release with this and the udplite stuff.