[GE users] CPU time = Wallclock time?

Wolfgang Friebel Wolfgang.Friebel at desy.de
Thu Nov 6 14:16:11 GMT 2008

> Am 05.11.2008 um 15:57 schrieb Wolfgang Friebel:

>> If I want to do the cpu accounting properly, I have to sum up utime
>> +stime.

When I wrote that, I had looked to the accounting records of a bunch of 
jobs only. My observations were obviously wrong, as I can see now that the 
majority of jobs is reported properly.

I was puzzled by accounting records such as (user, project and job name 


where utime=5 + stime=3 and cpu=2663.09 while wallclock time=2654

There is nothing special with that job, neither > 1 slot nor exit_status 
or failed !=0

Still my conclusion that you cannot rely on cpu seems to be valid (at 
least in 6.0u9)

Wolfgang Friebel                   Deutsches Elektronen-Synchrotron DESY
Phone/Fax:  +49 33762 77372/216    Platanenallee 6
Mail: Wolfgang.Friebel AT desy.de  D-15738 Zeuthen  Germany


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