Subject: Re: Amazing strongarms!
To: Dave Daniels <Davedan@arcade.demon.co.uk>
From: Richard Earnshaw <rearnsha@arm.com>
List: port-arm32
Date: 12/22/1998 19:04:44
>   RE> Can anyone tell me why 'top' thinks I can use 143% of my
>   RE> strongarm?  Is this something new about the strongarm that
>   RE> we haven't been told? 
>  
> At a guess, I would say that it is because 'top' is not atomic and
> therefore the figures it puts out can be distorted if it is
> pre-empted and not dispatched again immediately. I think that
> there are some comments about this on the 'man' page for it.
>   
What, every time?  I think that unlikely.  It's interesting to note that 
the percentages seem to top out at around 166 for a process that is 
consuming the entire cpu.  Could it be a coincidence that this is ~ 100 / 
60 the two most common values for HZ?

Richard.