cpuinfo, bogomips and duo core

Reindl Harald h.reindl at thelounge.net
Tue Feb 12 16:32:38 UTC 2013



Am 12.02.2013 17:29, schrieb Heinz Diehl:
> On 12.02.2013, Reindl Harald wrote: 
> 
>> is it hardcoded in the CPU?
> 
> No.
> 
>> is it measured?
> 
> Yes. See init/calibrate.c in your kernel source, it's calculated as
> loops per timeslice. As far as I can see, it does no longer serve 
> any purposes and is eventually kept because of historical reasons. 

i do not buy it :-)

2 different virtual machines, same host
different uptime of the virtual machines
4987.50
4987.50

impossible that they have exactly the same loops per
timeslice on a host with 20 guests and that each of
their cores have the same is even more unlikely

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