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Fabricio20/jitter.cpp from gamedev - 678475

Created September 22, 2017 18:51
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jitter.cpp from gamedev - 678475
>scheduling jitter
total measurement interval: 735.587 milliseconds
measurement latency: 0.25424 milliseconds
average above measurement: 0.477161 milliseconds
worst case (this is what matters): 50.3514 milliseconds
Raw
netstat -s | egrep -i 'loss|retran'
345366 segments retransmited
4696 times recovered from packet loss by selective acknowledgements
TCPLostRetransmit: 15
470 timeouts in loss state
4767 fast retransmits
494 forward retransmits
881 retransmits in slow start
TCPLossProbes: 278305
TCPLossProbeRecovery: 47372
1057 SACK retransmits failed
TCPRetransFail: 1
TCPSynRetrans: 22628
Raw
netstat -tupln
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 3744/sshd
tcp6 0 0 :::9010 :::* LISTEN 19885/java
tcp6 0 0 :::22 :::* LISTEN 3744/sshd
tcp6 0 0 :::41731 :::* LISTEN 19885/java
udp 213760 0 0.0.0.0:60320 0.0.0.0:* 19885/java
udp 0 0 0.0.0.0:68 0.0.0.0:* 3843/dhclient
udp 0 0 10.1.230.247:123 0.0.0.0:* 4123/ntpd
udp 0 0 10.1.230.245:123 0.0.0.0:* 4123/ntpd
udp 0 0 127.0.0.1:123 0.0.0.0:* 4123/ntpd
udp 0 0 0.0.0.0:123 0.0.0.0:* 4123/ntpd
udp6 123776 0 :::57960 :::* 19885/java
udp6 214656 0 :::57993 :::* 19885/java
udp6 0 0 :::41872 :::* 19885/java
udp6 6272 0 :::41941 :::* 19885/java
udp6 213248 0 :::58412 :::* 19885/java
udp6 0 0 :::42081 :::* 19885/java
udp6 213248 0 :::58506 :::* 19885/java
udp6 17920 0 :::42128 :::* 19885/java
udp6 0 0 :::58558 :::* 19885/java
udp6 2688 0 :::58712 :::* 19885/java
udp6 2688 0 :::42347 :::* 19885/java
udp6 148864 0 :::42367 :::* 19885/java
udp6 213504 0 :::58913 :::* 19885/java
udp6 12544 0 :::59243 :::* 19885/java
udp6 0 0 :::42859 :::* 19885/java
udp6 0 0 :::42887 :::* 19885/java
udp6 1792 0 :::42969 :::* 19885/java
udp6 0 0 :::59385 :::* 19885/java
udp6 2688 0 :::43479 :::* 19885/java
udp6 213632 0 :::59976 :::* 19885/java
udp6 0 0 :::60687 :::* 19885/java
udp6 1792 0 :::44313 :::* 19885/java
udp6 151424 0 :::44443 :::* 19885/java
udp6 8832 0 :::45181 :::* 19885/java
udp6 1792 0 :::45488 :::* 19885/java
udp6 0 0 :::46120 :::* 19885/java
udp6 4736 0 :::46152 :::* 19885/java
udp6 26496 0 :::46863 :::* 19885/java
udp6 213248 0 :::47633 :::* 19885/java
udp6 213376 0 :::47635 :::* 19885/java
udp6 0 0 :::47902 :::* 19885/java
udp6 0 0 :::48013 :::* 19885/java
udp6 17920 0 :::48218 :::* 19885/java
udp6 0 0 :::48350 :::* 19885/java
udp6 16128 0 :::48421 :::* 19885/java
udp6 0 0 :::48503 :::* 19885/java
udp6 0 0 :::48676 :::* 19885/java
udp6 0 0 :::48705 :::* 19885/java
udp6 0 0 :::48975 :::* 19885/java
udp6 0 0 XXXX::XXX:XXXX:XXXX:XXX :::* 4123/ntpd
udp6 0 0 XXXX::XXX:XXXX:XXXX:XXX :::* 4123/ntpd
udp6 0 0 ::1:123 :::* 4123/ntpd
udp6 0 0 :::123 :::* 4123/ntpd
udp6 0 0 :::49402 :::* 19885/java
udp6 0 0 :::49450 :::* 19885/java
udp6 0 0 :::33333 :::* 19885/java
udp6 2688 0 :::49777 :::* 19885/java
udp6 213376 0 :::49894 :::* 19885/java
udp6 0 0 :::49904 :::* 19885/java
udp6 0 0 :::33558 :::* 19885/java
udp6 0 0 :::50172 :::* 19885/java
udp6 213504 0 :::33796 :::* 19885/java
udp6 0 0 :::33853 :::* 19885/java
udp6 169344 0 :::50532 :::* 19885/java
udp6 8064 0 :::34222 :::* 19885/java
udp6 118272 0 :::50629 :::* 19885/java
udp6 31616 0 :::34325 :::* 19885/java
udp6 213376 0 :::34599 :::* 19885/java
udp6 213504 0 :::34723 :::* 19885/java
udp6 896 0 :::34734 :::* 19885/java
udp6 1792 0 :::51464 :::* 19885/java
udp6 0 0 :::35095 :::* 19885/java
udp6 213120 0 :::51682 :::* 19885/java
udp6 213376 0 :::51721 :::* 19885/java
udp6 6272 0 :::51968 :::* 19885/java
udp6 72064 0 :::52152 :::* 19885/java
udp6 213760 0 :::52383 :::* 19885/java
udp6 213504 0 :::36023 :::* 19885/java
udp6 8576 0 :::52731 :::* 19885/java
udp6 212992 0 :::36373 :::* 19885/java
udp6 3584 0 :::36630 :::* 19885/java
udp6 214016 0 :::36844 :::* 19885/java
udp6 214144 0 :::53306 :::* 19885/java
udp6 1792 0 :::53969 :::* 19885/java
udp6 3584 0 :::37708 :::* 19885/java
udp6 3584 0 :::37757 :::* 19885/java
udp6 109312 0 :::37953 :::* 19885/java
udp6 3584 0 :::38105 :::* 19885/java
udp6 33152 0 :::54501 :::* 19885/java
udp6 6272 0 :::38516 :::* 19885/java
udp6 20736 0 :::38522 :::* 19885/java
udp6 215040 0 :::55208 :::* 19885/java
udp6 0 0 :::39529 :::* 19885/java
udp6 26880 0 :::39532 :::* 19885/java
udp6 36864 0 :::55972 :::* 19885/java
udp6 213248 0 :::55984 :::* 19885/java
udp6 0 0 :::56160 :::* 19885/java
udp6 1792 0 :::56377 :::* 19885/java
udp6 10752 0 :::40009 :::* 19885/java
udp6 213248 0 :::56445 :::* 19885/java
udp6 0 0 :::40102 :::* 19885/java
udp6 13440 0 :::56586 :::* 19885/java
udp6 70144 0 :::56680 :::* 19885/java
udp6 0 0 :::56747 :::* 19885/java
udp6 0 0 :::56962 :::* 19885/java
udp6 1792 0 :::40680 :::* 19885/java
udp6 0 0 :::57423 :::* 19885/java
udp6 0 0 :::57555 :::* 19885/java
udp6 33408 0 :::57687 :::* 19885/java
Raw
proc-sys-ipv4-udp_mem
>cat /proc/sys/net/ipv4/udp_mem
767955 1023942 1535910
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