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Old 03-01-2011, 07:58 AM   #1
dashang.trivedi
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How to check weather rps is working or not.....


for measure the throughput... i use the netpref...
# cat /sys/class/net/eth0/queues/rx-0/rps_cpus
00

# netperf -t TCP_RR -H 10.115.1.59
TCP REQUEST/RESPONSE TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.115.1.59 (10.115.1.59) port 0 AF_INET : demo
Local /Remote
Socket Size Request Resp. Elapsed Trans.
Send Recv Size Size Time Rate
bytes Bytes bytes bytes secs. per sec

16384 87380 1 1 10.00 21792.04
16384 87380


After that i change the RPS field...
#echo f > /sys/class/net/eth0/queues/rx-0/rps_cpus
#cat /sys/class/net/eth0/queues/rx-0/rps_cpus
03


# netperf -t TCP_RR -H 10.115.1.59
TCP REQUEST/RESPONSE TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.115.1.59 (10.115.1.59) port 0 AF_INET : demo
Local /Remote
Socket Size Request Resp. Elapsed Trans.
Send Recv Size Size Time Rate
bytes Bytes bytes bytes secs. per sec

16384 87380 1 1 10.00 21758.73
16384 87380


*MY QUESTION IS WHY ITS GIVE SAME RESULT WITH AND WITH OUT RPS
*HOW TO CHECK WEATHER RPS IS WORKING OR NOT




PLEASE GIVE ANY SOLUTION..
Thank you in advance.....
 
Old 03-01-2011, 08:04 AM   #2
stress_junkie
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You should use whether instead of weather.

I believe that your results are similar because your computer is not under a heavy load.
 
Old 03-01-2011, 08:48 AM   #3
dashang.trivedi
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Sorry sir its a typing mistake....
so sir You know any better way to check for RPS AND RFS is working or not....
 
Old 03-01-2011, 08:56 AM   #4
stress_junkie
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No need to apologize. Heck. I can't write a full sentence in any language other than English. (I'm guessing that you are multilingual.) I simply wanted to correct an error that is easy to make.

I wish that I had as much to say about your test. Unfortunately I do not know how to create a large network load on a test machine.
 
  


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