java tool to test disk i/o, processor speed, and network speed

E

efiedler

Hi - Does anyone know of, or have an idea on how to write, a java
program that will be cross-platform and all me test disk i/o speed,
pure kernel processor speed, and network speed....

I need an app that can test those three things on any platform
(windows, linux, unix etc..)

any ideas would be greatly appreciated. Thanks
 
T

Tim Ward

Hi - Does anyone know of, or have an idea on how to write, a java
program that will be cross-platform and all me test disk i/o speed,
pure kernel processor speed, and network speed....

I need an app that can test those three things on any platform
(windows, linux, unix etc..)

any ideas would be greatly appreciated. Thanks

You'll have to start by disabling the garbage collector, otherwise you'll
get completely useless results. (I don't know how to do that - it's one of
those simple little things that in Java are either one line of code or
completely impossible, and you can't guess which, you have to look it up.)

Then for the disk I/O you'll probably need to get at very low level
interfaces in the operating system - the file level API sits on top of all
sorts of layers of operating system cleverness that hide actual disk
performance from you. Now, these low level interfaces are somewhat unlikely
to be cross-platform, so at first glance it looks like it can't be done.
 

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