top and multiple CPU's

stan stanb at panix.com
Fri Jul 14 00:22:23 UTC 2006


On Thu, Jul 13, 2006 at 06:03:49PM -0400, Bob Johnson wrote:
> On 7/13/06, stan <stanb at panix.com> wrote:
> >On Thu, Jul 13, 2006 at 06:08:50PM +0530, Ashok TM wrote:
> >> use
> >> top -S
> >> There will be new column with  'C'  tag which displays the the cpu id  on
> >> which the process is running
> >>
> >> mptables to list the processors available
> >
> >Hmm,
> >
> >cvsup# mptables
> >mptables: Command not found.
> >cvsup# man -k mptables
> >mptables: nothing appropriate
> >
> >and the man page for top says that _s os:
> >
> >       -S     Show system processes in the  display.   Normally,
> >	   system pro- cesses  such  as  the pager and the swapper are not 
> >	   shown.
> >	   This option makes them visible.
> >
> >Am I mising something?
> 
> Perhaps you haven't actually tried it to see what happens. On 5.4,
> there is not an extra column, but top -S includes each CPU's idle
> percentage as a separate system process, so you can get some idea of
> how well balanced things are.  Perhaps the description above was for
> 7-CURRENT and 6.1-R acts more like 5.4. I don't have a 6.1 SMP system
> to test it on.
> 
See my other reply.

It appears that I don't get this, probably because I have not sucesfuly enable SMP on this
machine. Which is what I was trying to asertain.


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