$ sockperf ping-pong -i 10.11.11.2 --time 30 --port 11111 --tcp

STDOUT
sockperf: [2;35m== version #3.7-no.git == [0m
sockperf[CLIENT] send on:sockperf: using recvfrom() to block on socket(s)

[ 0] IP = 10.11.11.2      PORT = 11111 # TCP
sockperf: Warmup stage (sending a few dummy messages)...
sockperf: Starting test...
sockperf: Test end (interrupted by timer)
sockperf: Test ended
sockperf: [Total Run] RunTime=30.000 sec; Warm up time=400 msec; SentMessages=64745; ReceivedMessages=64744
sockperf: ========= Printing statistics for Server No: 0
sockperf: [Valid Duration] RunTime=29.549 sec; SentMessages=60976; ReceivedMessages=60976
sockperf: [2;35m====> avg-latency=242.020 (std-dev=354.047)[0m
sockperf: # dropped messages = 0; # duplicated messages = 0; # out-of-order messages = 0
sockperf: Summary: Latency is 242.020 usec
sockperf: [2;35mTotal 60976 observations[0m; each percentile contains 609.76 observations
sockperf: ---> <MAX> observation = 2478.610
sockperf: ---> percentile 99.999 = 1984.509
sockperf: ---> percentile 99.990 = 1494.914
sockperf: ---> percentile 99.900 = 1174.899
sockperf: ---> percentile 99.000 = 1108.683
sockperf: ---> percentile 90.000 =  996.613
sockperf: ---> percentile 75.000 =  127.173
sockperf: ---> percentile 50.000 =   52.776
sockperf: ---> percentile 25.000 =   50.818
sockperf: ---> <MIN> observation =   41.319

STDERR
