RE: [cobalt-users] How to read CPU Load Numbers

["Jerry Farquhar" <jerry@xxxxxxxxxxx>]

That was very helpful.. so in other words unless I'm misunderstanding what
you've explained the GUI and automated notification of high CPU usage may
not be as accurate as say using TOPS and should not be taken to terribly
seriously.

Thanks for the info.

Jerry

-----Original Message-----
From: cobalt-users-admin@xxxxxxxxxxxxxxx
[mailto:cobalt-users-admin@xxxxxxxxxxxxxxx]On Behalf Of Edward R.
Milstein
Sent: Monday, August 05, 2002 1:03 PM
To: cobalt-users@xxxxxxxxxxxxxxx
Subject: RE: [cobalt-users] How to read CPU Load Numbers


> Wondering if someone can explain how to read the CPU load numbers.  I
> understand that higher numbers are more load but they don't seem to be
> related to a base number for percentage like 50% of 100 being 50.0
etc..

The load averages such as the output from the command w are the 1 min, 5
min and 15 min decaying average of processes hitting the run time
queue...

They can be misleading or not depending on the type of jobs running on
your box..  Meaning a process that wakes up (enters the run time queue)
and goes right back to a block will cause a machine to have a high load
average but will have plenty of cpu left for use.

On the other hand, a process that never does any IO and therefore never
blocks will cause the system to have a load average of 1.0 but little
cpu left over..

Make sense??

Ed-

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