Re: WORKING_SET.COM gives all COM states when run at high priority

From: AEF (spamsink2001_at_yahoo.com)
Date: 06/30/05 

Date: 29 Jun 2005 19:35:40 -0700

Jeff Chimene wrote:
> AEF wrote:
> > Hello,
> >
> > WORKING_SET.COM, which is in SYS$EXAMPLES, lists all processes and
> > various working set statistics for each. I recently found out that when
> > you run it at high priority, most or all of the states show up as COM.
> > The state is determined by the function
> >
> > f$getjpi("","STATE")
> >
> > The higher the priority, the higher the percentage of states which are
> > reported as COM.
> >
> > Why should the result of this function be dependent on the priority at
> > which it is run?
>
> Because your process running working_set.com is using all the CPU? All
> other processes are forced to non-CUR states, e.g. COM
>
> For extra credit, code up a real-time CPU-burner that also
> allocates/frees a few mebibytes of VM. Fire off a few of those and watch
> with working_set.com
>
> Cheers,
> jec

Thanks for your rapid response! But some of my processes are idle
terminal sessions. Why are they waiting for the CPU?

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