Please tell me How to enable RFS and RPS configuration

Did you try to look it up?? First hits for both:
http://www.spinics.net/lists/netdev/msg148736.html
http://moblog.wiredwings.com/archive...ux-2.6.35.html

sir i have change according to that article already........
but now question is how do i VERIFY whether its working or not...
for that in one article written that.....netperf benchmark with 500 instances of netperf TCP_RR test with 1 byte req .......

how to create a 500 instance in netperf tool...

...which you would find if you read the articles posted. Pay particular attention to the mpstat and and netperf commands.
Try reading the man page on netperf:
http://linux.die.net/man/1/netperf

Thank you sir for replaying...
i have already try with netperf man ...

i try command

netperf -t TCP_RR -H 10.104.1.193
TCP REQUEST/RESPONSE TEST from 0.0.0.0 (0.0.0.0) port 0 AF_INET to 10.104.1.193 (10.104.1.193) 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 10.01 6965.96
16384 87380


its display 1 req byte....
but my question is how to create instance of netperf ....
means in article they have written...how can i test this......how to create 500 instance of netperf..???
should i have to enter this command 500 time ????

No, you should AGAIN, read the man page. Pay particular attention to the -i and -l options.