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I think this is it : http://people.redhat.com/~rjones/virt-top/faq.html#calccpu
Thank averyone!




On Wed, May 14, 2014 at 1:07 PM, Alejandro Comisario
<alejandro.comisario at mercadolibre.com> wrote:
> Thanks Suo.
> Still, i dont get how the math is repressented, can you explain how
> this uses the cpuTime for each vm to get the % ?
> Thanks a lot!
>
>
>
> On Wed, May 14, 2014 at 12:57 PM, Guangyu Suo <guangyu at unitedstack.com> wrote:
>>
>> Hi,
>>
>> The cpu_util is calculated by cpu time in pipeline's transformer: https://github.com/openstack/ceilometer/blob/master/etc/ceilometer/pipeline.yaml#L43
>>
>>
>> 2014-05-14 22:55 GMT+08:00 Alejandro Comisario <alejandro.comisario at mercadolibre.com>:
>>>
>>> Hi Guys, any help regarding this matter ?
>>>
>>>
>>> On Tue, May 13, 2014 at 5:53 PM, Alejandro Comisario <alejandro.comisario at mercadolibre.com> wrote:
>>>>
>>>> Hi guys, sorry if this has been asked already.
>>>>
>>>> I dont seem to find the cpu % util implementation for libvirt using qemu.
>>>>
>>>> https://github.com/openstack/ceilometer/blob/master/ceilometer/compute/virt/libvirt/inspector.py
>>>>
>>>> Is it possible to get it or the code is somewere else ?
>>>> Its no real use the % time since i need de % util to compare it
>>>> against the overall host % cpu.
>>>>
>>>> Can you help me understand what am i geting wrong ?
>>>> If so, how this is / should be calculated ?
>>>>
>>>> Thanks a lot!
>>>>
>>>> -------------
>>>> alejandrito
>>>
>>>
>>>
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>>
>>
>>
>> --
>> 索广宇(Guangyu Suo)
>> UnitedStack Inc.
>>