In our project we are testing the application, where the client is a windows based desktop exe built on VC++ and the server side in on UNIX (Linux, HPUX Itanium) developed on C++.

We are told that we need to perform a volume run testing for this application. I would like to know if there are any open source tools to perform such kind of testing.. wherein when we process volume data to the system we get a machine performance, like example: iostat, vmstat, top... etc