AIX Power5 vmstat (was: Re: [hobbit] Highlights of the 4.3.0 version)

Henrik Stoerner henrik at hswn.dk
Tue Jul 24 09:43:26 CEST 2007


On Tue, Jul 24, 2007 at 08:38:37AM +0200, Stef Coene wrote:
> On Monday 23 July 2007, you wrote:
> > On Mon, Jul 23, 2007 at 01:51:55PM -0700, Mike Arnold wrote:
> > > I'd like to see POWER5 CPU stats:
> > > http://www.docum.org/twiki/bin/view/Hobbit/AixPower5
> >
> > No problem, except I don't understand why the Wiki claims that it is
> > necessary to remove the '.' from the numbers. It seems this is to
> > convert the data to percentages, but that can be done in the graph
> > definition:
> The cpu_pc and cpu_ec has always a "." in it:
> kthr    memory              page              faults              cpu
> ----- ----------- ------------------------ ------------ -----------------------
>  r  b   avm   fre  re  pi  po  fr   sr  cy  in   sy  cs us sy id wa    pc    ec
>  2  2 1341331 15949   0   8   7  85   49   0 583 34667 1878 38  5 55  2  0.46  46.0
> 
> pc has always 2 numbers after the "." and ec 1 (I hope this stays the same for 
> next AIX releases).  Rrd wants integers (I think), so you have to strip 
> the "." from the numbers.

No, RRD uses floating-point numbers everywhere. So I'll keep the numbers
unmodified - then we won't have any problems if IBM does change the
number of decimals they report.


Regards,
Henrik




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