Re: CAP and performance problem

[Juergen Gross <juergen.gross@ts.fujitsu.com>]

On 06.06.2013 16:12, Dario Faggioli wrote:
> On gio, 2013-06-06 at 15:55 +0200, Massimo Canonico wrote:
>> On 06/06/2013 03:02 PM, Juergen Gross wrote:
>>> Could you try:
>>>
>>> xl vcpu-list; sleep 10; xl vcpu-list
>>>
>>> when the test is running and post the output?
>>>
>>>
>>> Juergen
>>>
>> here we go:
>>
>> [root@csitest ~]# xl vcpu-list; sleep 10; xl vcpu-list
>> Name                                ID  VCPU   CPU State   Time(s) CPU
>> Affinity
>> Domain-0                             0     0    0   ---      23.0  0
>> Domain-0                             0     1    0   ---      10.5  0
>> Domain-0                             0     2    0   ---       8.5  0
>> Domain-0                             0     3    0   r--       6.8  0
>> rubis-web                            1     0    2   r--    2968.5  2
>> Name                                ID  VCPU   CPU State   Time(s) CPU
>> Affinity
>> Domain-0                             0     0    0   ---      23.0  0
>> Domain-0                             0     1    0   r--      10.6  0
>> Domain-0                             0     2    0   ---       8.5  0
>> Domain-0                             0     3    0   ---       6.8  0
>> rubis-web                            1     0    2   r--    2973.5  2
>>
> So, rubis-web's vcpu ran for 5 secs, which sounds right. I see why
> Jurgen asked you to do that, but not how he plans to squeeze anything
> more than that from these numbers... Waiting for him to enlighten us
> again! ;-P

Just for the records: I only wanted to be sure the problem isn't in the xen
scheduler. And this seems to be proved by the numbers.


Juergen

-- 
Juergen Gross                 Principal Developer Operating Systems
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