??????????????

?????????iperf?????????????????????????????????netperf????Щ?????????????У?????????netperf???????netperf??????????????

?????????netperf??????????SA????????SA?????汾?2.4?汾?????????????????????make???netperf 2.6?汾?????????μ?汾??

????????????netperf -H hostname -l testtime: ???? netperf -H 172.0.0.2 -l 60??????????172.0.0.2?????????????????netserver???????????????60s????????????TCP Stream?????

????????????netperf ???????????????????????? -t ?????????

????TCP_STREAM??UDP_STREAM????????????????????????????????-m ?????????????????С??????С?socket size??

????TCP_RR??????Request??Response???????????http???????????????????СRequest size ?? Response size ???1byte????????? -r 64??32K ???? Request??Response size??

?????????????????????????д???????????????????????-k ?????????????????????

????MIN_LATENCY??MAX_LATENCY??MEAN_LATENCY??P50_LATENCY??P90_LATENCY???????????????????????????С?????????????50??70??90??99????

????STDDEV_LATENCY?????????????????????????????????

????THROUGHPUT?????????????????????

????LOCAL_CPU_UTIL??REMOTE_CPU_UTIL???????????????CPU?????

????REQUEST_SIZE??RESPONSE_SIZE??RR?????Request??Response size

????LOCAL_TRANSPORT_RETRANS?????????

????????????netperf???????????????????ù??????????????????????????????????????netperf??iperf??????????????????????????????????????????????????????????????????????У????????-b -w???????????????????????????????????????????????????????????????????50%???????