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 :: Mailing Lists

[ILUG] System load explained.

[ILUG] System load explained.

paul at clubi.ie paul at clubi.ie
Tue Sep 4 11:06:40 IST 2007


On Tue, 4 Sep 2007, Steve McConville wrote:

> Just to be pedantic (sorry) - load averages are the arithmetic means
> of the number of processes *ready for execution but not running* over

To be even more pedantic, it's an arbitrary measure of load, whose 
definition depends on the details of the scheduler your system is 
using.

On traditional Unix, it's the length of the run-queue. Which *will* 
include processes running (they have to go on the run-queue at the 
ennd of their time-slice in order to run again, which might be when 
loadavg's get updated ;) ).

regards,
-- 
Paul Jakma	paul at clubi.ie	paul at jakma.org	Key ID: 64A2FF6A
Fortune:
Swahili, n.:
 	The language used by the National Enquirer to print their retractions.
 		-- Johnny Hart



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