[libvirt-users] Fwd: Does Set Block IO tune take effect in the same session.

[Michal Privoznik]

On 27.05.2013 09:21, Michal Privoznik wrote:
> On 27.05.2013 08:56, vikrant verma wrote:
>> Hello All,
>>  
>> I am using virDomainSetInterfaceParameters() API to set the network
>> interface tune parameter for a running guest VM.
>>  
>> I am able to set the Inbound and Outbound values successfully, but not
>> sure how to test it. I tried scp command to copy a file from host to VM
>> but i am not observing the desired throttling over the network.
>>
>> Is there any other way to test network throttling or do i missing something.
>>
>> Please help
>>  
>> regards,
>> Vikrant

Huh, I had a prologue written here but it disappeared :)

There was an error in setting the correct QoS values. There's a patch
fixing it:

> 
> commit 0ac3baee2c2fd56ef89f24f5ea484e39d2bf35f5
> Author:     Eiichi Tsukata <eiichi.tsukata.xh at hitachi.com>
> AuthorDate: Fri Jun 29 15:09:16 2012 +0900
> Commit:     Michal Privoznik <mprivozn at redhat.com>
> CommitDate: Fri Jun 29 10:56:13 2012 +0200
> 
>     Fix vm's outbound traffic control problem
> ...
> 
> http://libvirt.org/git/?p=libvirt.git;a=commitdiff;h=0ac3baee2c2fd56ef89f24f5ea484e39d2bf35f5
> 
> The commit is included in the 0.9.13 release.
> 
> Michal