We use many threads in performance testing, but we could not
insure they are working synchronously. This patch enabled the
demo-mode of netperf, we can watch demo output to remove noise
result, and only compute the results that all threads work
parallelly.
// demo mode outputs:
MIGRATED TCP MAERTS TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to
192.168.58.246 () port 0 AF_INET : demo
Interim result: 908.72 10^6bits/s over 1.000 seconds ending at 1355814034.980
Interim result: 1449.25 10^6bits/s over 1.001 seconds ending at 1355814035.976
Interim result: 2038.24 10^6bits/s over 1.060 seconds ending at 1355814036.037
Interim result: 1688.01 10^6bits/s over 1.114 seconds ending at 1355814036.088
Interim result: 1536.88 10^6bits/s over 1.116 seconds ending at 1355814036.097
Interim result: 1821.27 10^6bits/s over 1.001 seconds ending at 1355814036.977
Interim result: 2102.92 10^6bits/s over 1.004 seconds ending at 1355814037.092
// session-length : 10 (host -> guest)
Category:TCP_STREAM (RX)
size| sessions| throughput| CPU| thr_per_CPU| rx_pkts ..
512| 1| 2206.30| 66.28| 33.29| 1321466 ..
512| 4| 5256.72| 61.82| 85.03| 120937 ..
1024| 1| 5772.92| 59.23| 97.47| 108569 ..
1024| 4| 5352.34| 57.84| 92.54| 107863 ..
Category:TCP_MAERTS (TX)
size| sessions| throughput| CPU| thr_per_CPU| rx_pkts ..
512| 1| 1683.06| 59.09| 28.48| 679277 ..
512| 4| 7595.73| 78.75| 96.45| 250113 ..
1024| 1| 1661.40| 54.67| 30.39| 665556 ..
1024| 4| 7160.22| 73.87| 96.93| 252955 ..
Category:TCP_RR
size| sessions| trans.rate| CPU| thr_per_CPU| rx_pkts ..
512| 32| 31518.06| 50.12| 628.85| 310362 ..
512| 64| 48036.02| 54.45| 882.20| 472225 ..
1024| 32| 29954.05| 49.79| 601.61| 302284 ..
1024| 64| 45304.21| 54.77| 827.17| 443339 ..
Amos Kong (3):
netperf: trivial fix of parameter name
netperf: replace '-b' parameter with multiple threads
netperf: enable demo mode
shared/cfg/subtests.cfg.sample | 2 +-
tests/netperf.py | 114 +++++++++++++++++++++++++++-------------
2 files changed, 79 insertions(+), 37 deletions(-)
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