Re: {bb} CPU Load: Windows vs UNIX

[Ryan Novosielski <novosirj@umdnj.edu>]

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Likely the problem is not the Windows BB agent, but Windows itself. Have
you noticed how "load" is measured by task manager in windows? It seems
to deal largely in percentages, more specifically percentage of idle. I
don't know if the same metric exists for Windows (ie. processes waiting
for execution).

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 |Y#| |  | |\/| |  \ |\ |  | |Ryan Novosielski - User Support Spec. III
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Lose, James wrote:
> Phil,
> 
> Thank you for the explanation. I guessed as much, but it's good to have
> someone else confirm my suspicions.
> 
> I wonder why the developers of the Windows BB agent decided to use the
> name "load" to describe a measurement that is incompatible with the
> already established UNIX "load"? If only the code for the Windows BB
> agent were freely available, like that of the UNIX agent, then I could
> have figured it out and fixed the problem myself. 
> 
> Thanks, again.
> 
> Jim Lose
> 
> -----Original Message-----
> From: owner-bb@bb4.com [mailto:owner-bb@bb4.com] On Behalf Of Philip
> Clark
> Sent: Tuesday, April 25, 2006 8:16 PM
> To: bb@bb4.com
> Subject: Re: {bb} CPU Load: Windows vs UNIX
> 
> On Tue, 2006-04-25 at 19:33, Lose, James wrote:
>> How do the CPU load values returned by the Windows and UNIX BB agents 
>> compare? Is there a way to equate the two?
> 
> The short answer is no.
> 
> As I understand it, the Windows value is utilization (the inverse of
> idleness) while Unix load is based on the number of processes waiting to
> run. BB multiplies the Unix "load average" value by 100 so that the
> integer arithmetic can be used.
> 
> The best analogy I can think of is a bank. The Windows value would be
> equivalent to the proportion of time that a teller spends serving
> customers. The Unix value would be the average number of customers
> waiting in the queue.
> 
> Cheers, Phil.
> 
> 
> 
> --
> Weinberg's Principle: An expert is a person who avoids the small errors
> while sweeping on to the grand fallacy.
> 
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