<tt><font size=2>>That is much better. Still, I've taken to using:<br>
><br>
></font></tt><a href="http://www.netperf.org/svn/netperf2/trunk/doc/netperf.html#Using-_002d_002denable_002ddemo"><tt><font size=2>http://www.netperf.org/svn/netperf2/trunk/doc/netperf.html#Using-_002d_002denable_002ddemo</font></tt></a><tt><font size=2><br>
><br>
>and scripting along the lines of:<br>
><br>
></font></tt><a href=http://www.netperf.org/svn/netperf2/trunk/doc/examples/runemomniaggdemo.sh><tt><font size=2>http://www.netperf.org/svn/netperf2/trunk/doc/examples/runemomniaggdemo.sh</font></tt></a><tt><font size=2><br>
><br>
>with post-processing via rrdtool for aggregate measurements.<br>
</font></tt>
<br><tt><font size=2>I will concentrate on this after.</font></tt>
<br><tt><font size=2><br>
>> For the -s -S and -m -M options, what scenario could be a good
start in<br>
>> order to test their influence?<br>
><br>
>Pretty much up to you. There are some ancient scripts under <br>
></font></tt><a href=http://www.netperf.org/svn/netperf2/trunk/doc/examples/><tt><font size=2>http://www.netperf.org/svn/netperf2/trunk/doc/examples/</font></tt></a><tt><font size=2>
like the <br>
>tcp_stream_script you could use as a starting point - that script is
<br>
>focused on single-instance testing.</font></tt>
<br>
<br><tt><font size=2>I use this script, modified to fit my test bench and
my multi instance testing.</font></tt>
<br><tt><font size=2>Here are the results and some interpretation based
on what you already explained to me.</font></tt>
<br>
<br><font size=2 face="Courier New">CIO-SUSE:/ces/Simon/Rick # ./tcp_stream_script.sh
</font>
<br><font size=2 face="Courier New">------------------------------------</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 4096 -s 128K -S 128K</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 4096 -s 128K -S 128K</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">!!! WARNING</font>
<br><font size=2 face="Courier New">!!! Desired confidence was not achieved
within the specified iterations.</font>
<br><font size=2 face="Courier New">!!! This implies that there was variability
in the test environment that</font>
<br><font size=2 face="Courier New">!!! must be investigated before going
further.</font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 6.5%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 9.9%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : -713.2%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New">262142 262142 4096 60.02
1149.25 4.77 -138.54 0.681
-76.721 </font>
<br><font size=2 face="Courier New">!!! WARNING</font>
<br><font size=2 face="Courier New">!!! Desired confidence was not achieved
within the specified iterations.</font>
<br><font size=2 face="Courier New">!!! This implies that there was variability
in the test environment that</font>
<br><font size=2 face="Courier New">!!! must be investigated before going
further.</font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 4.3%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 9.0%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : -713.4%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New">262142 262142 4096 60.08
1140.63 4.77 -138.42 0.685
-81.299</font>
<br>
<br><font size=2 face="Courier New">Here we can consider that the tests
are running in parallel because both send and remote CPU utilization are
quite the same.</font>
<br><font size=2 face="Courier New">The throughput is considered as the
sum of the two throughputs obtained. I will try the same test with much
more instance.</font>
<br><font size=2 face="Courier New">I still can not explain the negative
CPU utilzation in remote. What considerations could we do with the confidence
interval? Is it acceptable? Could we ignore it?</font>
<br><font size=2 face="Courier New">Next, the changes are just concerning
the socket size and the message size.</font>
<br><font size=2 face="Courier New">We clearly observe the differences
between the different configuration. The best throughput is obtained for
56k socket size. These performance and optimal configuration are dependent
of the equipment.</font>
<br>
<br><font size=2 face="Courier New">Why does we configure 56k and netperf
print 56k x 2 as socket size. Is it what you called linuxism here? </font><a href="http://www.netperf.org/pipermail/netperf-talk/2006-October/000176.html"><font size=2 face="Courier New">http://www.netperf.org/pipermail/netperf-talk/2006-October/000176.html</font></a>
<br>
<br><font size=2 face="Courier New">------------------------------------</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 8192 -s 128K -S 128K</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 8192 -s 128K -S 128K</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 5.9%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 13.2%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 36.4%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New">262142 262142 8192 60.05
1154.15 4.22 9.16
0.599 5.206 </font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 7.0%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 12.2%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 36.2%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New">262142 262142 8192 60.08
1186.34 4.22 9.10
0.583 5.023 </font>
<br><font size=2 face="Courier New">------------------------------------</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 32768 -s 128K -S 128K</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 32768 -s 128K -S 128K</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 10.7%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 31.0%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 30.9%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New">262142 262142 32768 60.05
1172.18 4.05 9.52
0.565 5.319 </font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 8.8%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 31.1%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 30.8%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New">262142 262142 32768 60.06
1170.69 4.03 9.54
0.564 5.347 </font>
<br><font size=2 face="Courier New">------------------------------------</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 4096 -s 57344 -S 57344</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 4096 -s 57344 -S 57344</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 0.9%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 9.0%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 379.2%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New">114688 114688 4096 60.00
1711.03 8.90 28.41 0.852
10.872 </font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 1.1%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 9.0%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 379.2%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New">114688 114688 4096 60.00
1714.80 8.90 28.41 0.850
10.841 </font>
<br><font size=2 face="Courier New">------------------------------------</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 8192 -s 57344 -S 57344</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 8192 -s 57344 -S 57344</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 1.0%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 5.8%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 176.2%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New">114688 114688 8192 60.00
1711.16 8.37 45.42 0.801
17.397 </font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 0.9%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 5.8%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 176.2%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New">114688 114688 8192 60.00
1710.34 8.37 45.42 0.801
17.388 </font>
<br><font size=2 face="Courier New">------------------------------------</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 32768 -s 57344 -S 57344</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 32768 -s 57344 -S 57344</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 1.2%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 11.3%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 328.7%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New">114688 114688 32768 60.00
1717.21 7.74 37.64 0.738
14.361 </font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 0.9%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 11.3%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 328.7%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New">114688 114688 32768 60.00
1713.09 7.74 37.64 0.740
14.422 </font>
<br><font size=2 face="Courier New">------------------------------------</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 4096 -s 32768 -S 32768</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 4096 -s 32768 -S 32768</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 0.3%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 43.8%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 3397.1%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New"> 65536 65536 4096
60.00 1148.96 4.98
6.76 0.710 3.844 </font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 0.3%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 43.8%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 3397.1%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New"> 65536 65536 4096
60.00 1149.32 4.98
6.76 0.710 3.838 </font>
<br><font size=2 face="Courier New">------------------------------------</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 8192 -s 32768 -S 32768</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 8192 -s 32768 -S 32768</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 2.0%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 34.5%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 25909.6%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New"> 65536 65536 8192
60.00 754.82 2.51
0.82 0.545 0.352 </font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 29.0%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 34.2%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 25907.9%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New"> 65536 65536 8192
60.00 789.35 2.51
0.82 0.526 -0.424 </font>
<br><font size=2 face="Courier New">------------------------------------</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 32768 -s 32768 -S 32768</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 32768 -s 32768 -S 32768</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 0.1%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 37.7%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 734.0%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New"> 65536 65536 32768
60.00 1149.70 2.74
20.57 0.390 11.715 </font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 0.2%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 37.5%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 734.0%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New"> 65536 65536 32768
60.00 1150.06 2.73
20.57 0.389 11.708 </font>
<br><font size=2 face="Courier New">------------------------------------</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 4096 -s 8192 -S 8192</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 4096 -s 8192 -S 8192</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 0.8%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 12.2%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 2058.3%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New"> 16384 16384 4096
60.00 437.99 4.19
5.12 1.566 7.757 </font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 3.3%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 12.3%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 2058.2%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New"> 16384 16384 4096
60.00 426.25 4.19
5.12 1.610 7.673 </font>
<br><font size=2 face="Courier New">------------------------------------</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 8192 -s 8192 -S 8192</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 8192 -s 8192 -S 8192</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 2.0%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 31.1%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 139.2%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New"> 16384 16384 8192
60.00 437.92 4.92
37.54 1.843 56.225 </font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 2.2%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 31.1%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 139.2%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New"> 16384 16384 8192
60.00 441.02 4.92
37.54 1.830 55.732 </font>
<br><font size=2 face="Courier New">------------------------------------</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 32768 -s 8192 -S 8192</font>
<br><font size=2 face="Courier New">netperf -l 60 -H 10.0.17.200 -t TCP_STREAM
-cC -i 10,2 -I 99,5 -- -m 32768 -s 8192 -S 8192</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">TCP STREAM TEST from 0.0.0.0 (0.0.0.0)
port 0 AF_INET to 10.0.17.200 (10.0.17.200) port 0 AF_INET : +/-2.5% @
99% conf. : demo</font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 1.5%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 17.4%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 2895.5%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New"> 16384 16384 32768
60.00 439.39 4.05
4.57 1.508 6.537 </font>
<br><font size=2 face="Courier New">!!! Confidence intervals: Throughput
: 0.7%</font>
<br><font size=2 face="Courier New">!!!
Local CPU util : 17.3%</font>
<br><font size=2 face="Courier New">!!!
Remote CPU util : 2854.1%</font>
<br>
<br><font size=2 face="Courier New">Recv Send Send
Utilization Service Demand</font>
<br><font size=2 face="Courier New">Socket Socket Message Elapsed
Send Recv
Send Recv</font>
<br><font size=2 face="Courier New">Size Size Size
Time Throughput local remote
local remote</font>
<br><font size=2 face="Courier New">bytes bytes bytes
secs. 10^6bits/s % S % S
us/KB us/KB</font>
<br>
<br><font size=2 face="Courier New"> 16384 16384 32768
60.02 439.50 4.05
4.63 1.511 6.979 </font>
<br>
<br>
<br>
<br>
<br>
<br><font size=2 face="Courier New">Thank you for helping me interpreting
these statistics.</font>
<br>
<br><font size=2 face="Courier New">Have a nice day.</font>
<br>
<br><font size=2 face="Courier New">Simon Duboué</font>