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Re: [Qemu-devel] [PATCH 7/9] throttle: Add throttle group support

From: Eric Blake
Subject: Re: [Qemu-devel] [PATCH 7/9] throttle: Add throttle group support
Date: Tue, 24 Feb 2015 09:47:56 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0

On 02/24/2015 09:45 AM, Eric Blake wrote:
> On 02/13/2015 09:06 AM, Alberto Garcia wrote:
>> The throttle group support use a cooperative round robin scheduling 
>> algorithm.
>>  qapi/block-core.json      |   5 +-
>>  qemu-options.hx           |   1 +
>>  qmp-commands.hx           |   3 +-
> Just a qapi review for now...

> I hate write-only interfaces.  What is the corresponding 'query-*'
> command that I can invoke to learn which group, if any, a node is
> associated with?

Okay, I hit send too soon.  I see this is part of BlockDeviceInfo, which
is in turn part of BlockInfo returned by 'query-block'.  So this
addition is the output side, and there is nothing that yet exists to
associate a node with a throttle group on the input side (assuming that
comes later in 8/9 or 9/9).

Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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