System call which gets CPU utilized capacity

Igor Pechtchanski pechtcha@cs.nyu.edu
Wed Sep 10 13:30:00 GMT 2003


On Wed, 10 Sep 2003, Alex Vinokur wrote:

> Is there in CYGWIN any system call which gets CPU utilized capacity at
> the present moment?
> For instance :
> int get_cpu_usage() which returns the percentage of used capacity.
>
> I would like to write in my C-program something like :
>
> if (get_cpu_usage() < 20)
> {
>    foo1();  // calling foo1() will be postponed
> }
> else
> {
>    foo2();
> }

I assume the call is the same as in any other Unix system, since "top"
worked for me with almost no porting about a year ago.  You might want to
take a look at the sources for the "procps" package.
	Igor
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