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Full Discussion: network driver cpu usage
Operating Systems Solaris network driver cpu usage Post 302112026 by reborg on Saturday 24th of March 2007 01:36:51 PM
Old 03-24-2007
What type of network traffic is it?

If you are dealing with a lot of encrypted traffic, you could probably do something more efficient...ie offload to the crypto accelerator, because you may be seeing a problem related to FPU queuing, rather than actual CPU load.
 

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LEARN ABOUT CENTOS

varnetload

varnetload(8)					    Tool to create reproducable network traffic 				     varnetload(8)

NAME

       varnetload - tool to create reproducable network traffic

SYNOPSIS

       varnetload [-d delay] [-t time to run] [-u url]

DESCRIPTION

       varnetload is a simple python script to create reproducable sustained network traffic.

       In  order to use it effectively, you need to have an HTTP server present in your local LAN where you can put files. Upload a large HTML (or
       any other kind of file) to the HTTP server. Use the -u option of the script to point to that URL. Play with the delay option  to  vary  the
       load put on your network.

       delay  Sets  delay between individual downloads in miliseconds. Default value is 1000. But you my find values range from 0 to 500 more use-
	      ful.

       time to run
	      Sets total run time in seconds. Default value is 60.

       url    Sets downloaded resource. Default is http://myhost.mydomain/index.html.

SEE ALSO

       tuned(8) diskdevstat(8) netdevstat(8) scomes(8)

AUTHOR

       Written by Phil Knirsch <pknirsch@redhat.com>.

REPORTING BUGS

       Report bugs to <pknirsch@redhat.com>.

Phil Knirsch							    13 Jan 2011 						     varnetload(8)
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