[Scottish] CPU Testing

Paul Millar scottish at mailman.lug.org.uk
Thu Feb 27 15:26:02 2003


For an interesting IO/cpu job:
find /usr -type f -print|while read f; do md5sum "$f" >/dev/null 2>&1; done

For CPU bound, do 
  md5sum /dev/zero

For IO bound, do
  dd if=/dev/hda of=/dev/null

Torturing your computer in three lines ;^)

Paul.

On Thu, 27 Feb 2003, Ian Drake, IT, CIR, SE Dunbartonshire wrote:
> I'm currently setting up MRTG to graph my CPU usage, but I need something to
> help prove what I've done works, anyone got a short piece of C code that'll
> push the gas peddle on my Linux box and keep the cpu cycles high for a few
> mins?
> 
> Rgds,
> 
> Ian
> 
> PS I'm basically doing :-
> 
> cat /proc/stat | /usr/bin/awk '/cpu /{print $2+$3; print $2+$3+$4; print
> "quite some time"; print "home"}
> in my MRTG conf file
> 
> 
> 
> _______________________________________________
> Scottish mailing list
> Scottish@mailman.lug.org.uk
> http://mailman.lug.org.uk/mailman/listinfo/scottish
> 

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Particle Physics (Theory & Experimental) Groups                Dr Paul Millar 
Department of Physics and Astronomy                     paulm@astro.gla.ac.uk
University of Glasgow                                 paulm@physics.gla.ac.uk
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