getting cpu load

[Kurtis D. Rader]

On Tue, 15 Jul 2003 17:11:29 +0000, shea martin wrote:

> Is there a system call to get the current cpu load of the system??

Are you referring to the load average as reported by utilities like
uptime(1)? If so my first recommendation is to not even bother. The load
average doesn't mean what many people intuitively expect. Search this
newsgroup for previous discussions of how it is calculated. Specifically,
it can include factors having nothing to do with what percentage of
the time each CPU is working versus idle.

If you're looking for the percentage of time each CPU is idle/non-idle
the answer is: it's system dependent. You'll have to tell us which OS
and version you're working with. If it's Linux or FreeBSD you'll find the
source for those systems to be a good source for answers to this type of
question.

[Wojtek Walczak]

Dnia Tue, 15 Jul 2003 17:11:29 GMT, shea martin napisa³(a):

> Is there a system call to get the current cpu load of the system??

On Linux read it from /proc/loadavg

--
[ Wojtek Walczak - gminick (at) underground.org.pl ]
[ <http://gminick.linuxsecurity.pl/> ]
[ "...rozmaite zwroty, matowe od patyny dawnosci." ]