[Spice-devel] [ovirt-users] Video performance

[Yaniv Dary]

Adding the spice devel list.

Yaniv Dary
Technical Product Manager
Red Hat Israel Ltd.
34 Jerusalem Road
Building A, 4th floor
Ra'anana, Israel 4350109

Tel : +972 (9) 7692306
        8272306
Email: ydary at redhat.com
IRC : ydary


On Thu, Jan 5, 2017 at 12:21 PM, Shalabh Goel <shalabhgoel13 at gmail.com>
wrote:

> More from the output of top command:
>
> %Cpu(s):  2.4 us,  0.4 sy,  0.0 ni, 97.1 id,  0.1 wa,  0.0 hi,  0.0 si,
> 0.0 st
> KiB Mem : 13182395+total, 10438806+free,  4205056 used, 23230840 buff/cache
> KiB Swap:  4194300 total,  4194300 free,        0 used. 12692883+avail Mem
>
>
> --
> Shalabh Goel
>
>
> On Thu, Jan 5, 2017 at 3:32 PM, Shalabh Goel <shalabhgoel13 at gmail.com>
> wrote:
>
>> One more thing. When I close the video, the CPU usage by qemu reduces to
>> 6 % or lesser.
>>
>> --
>> Shalabh Goel
>>
>>
>> On Thu, Jan 5, 2017 at 3:31 PM, Shalabh Goel <shalabhgoel13 at gmail.com>
>> wrote:
>>
>>> Hi,
>>>
>>> I have installed ovirt engine 4.0.5 on centos 7.3. I installed
>>> ovirt-node on a separate phyical system and added it to ovirt-engine. I
>>> installed windows 7 in a VM on the node. I installed all the virtio drivers
>>> in the guest. The protocol used by me to access VM is Spice  QXL. I have
>>> installed virt-viewer on the clients to access (one is windows and othe ris
>>> ubuntu)
>>>   Now, when I pay the sample video "wildlife" in the windows the video
>>> frame rate is very low and it is skipping a aot of frames. I tested it on
>>> both of the clients. The screen resolution is 1280x1024 on ubuntu and
>>> 1366x768 on windows.
>>>
>>> The *lscpu* output of the node is:
>>>
>>> Architecture:          x86_64
>>> CPU op-mode(s):        32-bit, 64-bit
>>> Byte Order:            Little Endian
>>> CPU(s):                48
>>> On-line CPU(s) list:   0-47
>>> Thread(s) per core:    2
>>> Core(s) per socket:    12
>>> Socket(s):             2
>>> NUMA node(s):          2
>>> Vendor ID:             GenuineIntel
>>> CPU family:            6
>>> Model:                 62
>>> Model name:            Intel(R) Xeon(R) CPU E5-2697 v2 @ 2.70GHz
>>> Stepping:              4
>>> CPU MHz:               3047.097
>>> BogoMIPS:              5406.43
>>> Virtualization:        VT-x
>>> L1d cache:             32K
>>> L1i cache:             32K
>>> L2 cache:              256K
>>> L3 cache:              30720K
>>> NUMA node0 CPU(s):     0-11,24-35
>>> NUMA node1 CPU(s):     12-23,36-47
>>>
>>> The top command output is showing the following on the node:
>>>
>>> PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+
>>> COMMAND
>>>
>>> 30219 qemu      20   0 5040176 4.048g  13564 S 113.2  3.2  16:05.49
>>> qemu-kvm
>>>
>>>  6178 root      15  -5 1495476  48092  10676 S  28.1  0.0 300:58.82
>>> supervdsmServer
>>>
>>>   361 root      25   5       0      0      0 S   7.0  0.0 333:14.58
>>> ksmd
>>>
>>>   265 root      rt   0       0      0      0 S   2.6  0.0   0:06.80
>>> migration/32
>>>
>>> 27504 qemu      20   0 5137240 4.412g  13516 S   2.6  3.5  10:53.39
>>> qemu-kvm
>>>
>>> 30222 root      20   0       0      0      0 S   2.0  0.0   0:11.98
>>> vhost-30219
>>>
>>>  6329 vdsm       0 -20 3258204 151772  13004 S   0.7  0.1  65:29.75 vdsm
>>>
>>> -
>>> Please suggest what should I do to improve the video performance.
>>>
>>> Thank You
>>>
>>> Shalabh Goel
>>>
>>
>>
>>
>>
>>
>
>
>
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