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From: Avi Kivity <avi@redhat.com>
To: "Daniel P. Berrange" <berrange@redhat.com>
Cc: "ehabkost@redhat.com" <ehabkost@redhat.com>,
	Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
	"jan.kiszka@siemens.com" <jan.kiszka@siemens.com>,
	"dlaor@redhat.com" <dlaor@redhat.com>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	Luiz Capitulino <lcapitulino@redhat.com>,
	Filip Navara <filip.navara@gmail.com>,
	Vincent Hanquez <tab@snarc.org>
Subject: Re: [Qemu-devel] [PATCH 01/11] QMP: Introduce specification file
Date: Fri, 26 Jun 2009 12:00:54 +0300	[thread overview]
Message-ID: <4A448E46.1000707@redhat.com> (raw)
In-Reply-To: <20090625190302.GA11937@redhat.com>

On 06/25/2009 10:03 PM, Daniel P. Berrange wrote:
> On Thu, Jun 25, 2009 at 01:10:36PM -0500, Anthony Liguori wrote:
>    
>> Stefano Stabellini wrote:
>>      
>>> Clearly I agree with Avi.
>>> I am thinking for example that we could use the RPC protocol directly
>>>        
>> >from Xend and I am sure other people will find it useful too.
>>      
>>>
>>>        
>> But you can also use QMP from Xend.  In fact, it should be pretty easy
>> to convert the current code in Xend to use QMP.
>>      
>
> AFAIK, the current XenD code doesn't talk to the QEMU monitor at all,
> instead having a add-on to QEMU code which pulls info from XenStored.
> That doesn't alter your point though, it would be pretty easy to make
> XenD talk to the proposed QMP monitor if desired.
>    

All it takes is implementing QMP, and an emitter/parser for each qemu 
command.  On the other hand, things like xml-rpc require around one line 
of code in Python per command.

Let's turn this around.  IIRC libvirt uses an RPC interface for its 
clients.  How would you estimate the effort to port this interface to 
QMP, and adapt all its clients?

-- 
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.

  reply	other threads:[~2009-06-26  9:01 UTC|newest]

Thread overview: 199+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <cover.1245730845.git.lcapitulino@redhat.com>
2009-06-23  4:28 ` [Qemu-devel] [PATCH 01/11] QMP: Introduce specification file Luiz Capitulino
2009-06-23  8:55   ` [Qemu-devel] " Avi Kivity
2009-06-23  9:57     ` Daniel P. Berrange
2009-06-23 10:08       ` Avi Kivity
2009-06-23 13:22       ` Luiz Capitulino
2009-06-23 13:31         ` Avi Kivity
2009-06-23 13:06     ` Luiz Capitulino
2009-06-23 13:10       ` Daniel P. Berrange
2009-06-23 17:12         ` Luiz Capitulino
2009-06-23 13:27       ` Avi Kivity
2009-06-23 17:15         ` Luiz Capitulino
2009-06-23 13:12     ` Anthony Liguori
2009-06-23 13:30       ` Avi Kivity
2009-06-23 13:34         ` Eduardo Habkost
2009-06-23 13:40         ` Anthony Liguori
2009-06-23 15:01           ` Avi Kivity
2009-06-23 15:47             ` Anthony Liguori
2009-06-23 16:02               ` Avi Kivity
2009-06-23 17:20       ` Luiz Capitulino
2009-06-23 14:45   ` [Qemu-devel] " Vincent Hanquez
2009-06-23 15:56     ` Avi Kivity
2009-06-23 15:56       ` Anthony Liguori
2009-06-23 16:04         ` Avi Kivity
2009-06-23 16:09           ` Anthony Liguori
2009-06-23 16:15             ` Avi Kivity
2009-06-23 18:32               ` Anthony Liguori
2009-06-23 18:47                 ` Avi Kivity
2009-06-23 19:00                   ` Anthony Liguori
2009-06-23 19:44                     ` Avi Kivity
2009-06-23 19:52                     ` Avi Kivity
2009-06-23 20:07                       ` Anthony Liguori
2009-06-23 20:13                         ` Avi Kivity
2009-06-23 22:02                           ` Anthony Liguori
2009-06-23 22:02                     ` Vincent Hanquez
2009-06-23 22:50                       ` Anthony Liguori
2009-06-24  1:01                         ` Vincent Hanquez
2009-06-24 11:55                           ` James
2009-06-24 12:09                             ` Daniel P. Berrange
2009-06-24 12:32                               ` James
2009-06-24 12:54                                 ` Daniel P. Berrange
2009-06-24 14:31                                   ` Stefano Stabellini
2009-06-24 12:46                           ` Anthony Liguori
2009-06-24 13:02                             ` Daniel P. Berrange
2009-06-24 13:21                               ` Avi Kivity
2009-06-24 13:09                             ` Avi Kivity
2009-06-24 16:22                               ` Jamie Lokier
2009-06-24 16:25                                 ` Avi Kivity
2009-06-24 18:52                                   ` Jamie Lokier
2009-06-24 17:39                                 ` Vincent Hanquez
2009-06-24 18:23                                   ` Filip Navara
2009-06-24 18:41                                     ` Jamie Lokier
2009-06-24 18:42                                     ` Vincent Hanquez
2009-06-24 18:55                                       ` Filip Navara
2009-06-24 18:56                                       ` Jamie Lokier
2009-06-24 13:34                             ` Ian Jackson
2009-06-24 16:09                               ` Jamie Lokier
2009-06-24 14:03                             ` Filip Navara
2009-06-25 19:30                               ` Luiz Capitulino
2009-06-24 14:06                             ` Vincent Hanquez
2009-06-24 14:41                             ` Stefano Stabellini
2009-06-24 14:56                             ` Chris Webb
2009-06-24 19:01                               ` Jamie Lokier
2009-06-24 15:57                             ` Filip Navara
2009-06-24 16:22                               ` Avi Kivity
2009-06-24 16:42                                 ` Filip Navara
2009-06-24 19:05                                 ` Jamie Lokier
2009-06-24 19:24                                   ` Filip Navara
2009-06-24 21:13                                     ` Jamie Lokier
2009-06-24 21:29                                       ` Filip Navara
2009-06-24 21:47                                         ` Jamie Lokier
2009-06-25 13:07                                       ` Stefano Stabellini
2009-06-25 14:55                                         ` Avi Kivity
2009-06-25 15:10                                           ` Anthony Liguori
2009-06-25 15:20                                             ` Avi Kivity
2009-06-25 17:04                                               ` Stefano Stabellini
2009-06-25 18:10                                                 ` Anthony Liguori
2009-06-25 19:03                                                   ` Daniel P. Berrange
2009-06-26  9:00                                                     ` Avi Kivity [this message]
2009-06-26  9:10                                                       ` Daniel P. Berrange
2009-06-26  9:16                                                         ` Avi Kivity
2009-06-26  9:44                                                           ` Daniel P. Berrange
2009-06-26 11:41                                                             ` Vincent Hanquez
2009-06-25 18:09                                               ` Anthony Liguori
2009-06-25 18:31                                                 ` Avi Kivity
2009-06-25 19:54                                                   ` Anthony Liguori
2009-06-26  9:12                                                     ` Avi Kivity
2009-06-26 13:21                                                       ` Anthony Liguori
2009-06-26 15:02                                                         ` Anthony Liguori
2009-06-26 17:36                                                           ` Filip Navara
2009-06-26 19:36                                                             ` Anthony Liguori
2009-06-26 20:25                                                               ` Filip Navara
2009-06-28 13:16                                                                 ` Avi Kivity
2009-06-28 17:30                                                                   ` Anthony Liguori
2009-06-28 17:36                                                                     ` Avi Kivity
2009-06-29  9:44                                                                     ` Stefano Stabellini
2009-06-29  9:50                                                                       ` Avi Kivity
2009-06-29 10:09                                                                         ` Stefano Stabellini
2009-06-27  7:03                                                               ` Filip Navara
2009-06-28 12:11                                                           ` Avi Kivity
2009-06-28 13:13                                                           ` Avi Kivity
2009-06-28 17:23                                                             ` Anthony Liguori
2009-06-28 17:34                                                               ` Avi Kivity
2009-06-29  0:42                                                                 ` Anthony Liguori
2009-06-29  6:04                                                                   ` Avi Kivity
2009-06-29  9:48                                                                     ` Stefano Stabellini
2009-06-29 20:23                                                                     ` Anthony Liguori
2009-06-30  5:37                                                                       ` Avi Kivity
2009-06-30 13:30                                                                         ` Anthony Liguori
2009-06-30 13:51                                                                           ` Stefano Stabellini
2009-06-30 13:52                                                                           ` Avi Kivity
2009-06-30 13:56                                                                             ` Anthony Liguori
2009-06-30 14:03                                                                               ` Luiz Capitulino
2009-06-30 16:05                                                                                 ` Avi Kivity
2009-06-30 18:21                                                                                   ` Anthony Liguori
2009-07-01  8:07                                                                                     ` Avi Kivity
2009-06-29 14:41                                                                   ` Stefano Stabellini
2009-06-29 14:56                                                                     ` Avi Kivity
2009-06-28 17:38                                                               ` Filip Navara
2009-06-26 11:36                                                     ` Vincent Hanquez
2009-06-24 16:00                     ` Jamie Lokier
2009-06-23 16:20             ` Avi Kivity
2009-06-23 17:59             ` Vincent Hanquez
2009-06-23 15:41   ` Blue Swirl
2009-06-23  4:28 ` [Qemu-devel] [PATCH 02/11] QMP: Introduce MONITOR_USE_CONTROL flag Luiz Capitulino
2009-06-23  4:28 ` [Qemu-devel] [PATCH 03/11] QMP: Introduce protocol print functions Luiz Capitulino
2009-06-23 13:45   ` Anthony Liguori
2009-06-23 13:53     ` Eduardo Habkost
2009-06-23  4:28 ` [Qemu-devel] [PATCH 04/11] QMP: Make monitor_handle_command() QMP aware Luiz Capitulino
2009-06-23 13:51   ` Anthony Liguori
2009-06-23 17:25     ` Luiz Capitulino
2009-06-23  4:29 ` [Qemu-devel] [PATCH 05/11] QMP: Introduce control mode chardev handling Luiz Capitulino
2009-06-23  4:29 ` [Qemu-devel] [PATCH 06/11] QMP: Introduce asynchronous events infrastructure Luiz Capitulino
2009-06-23  8:59   ` [Qemu-devel] " Jan Kiszka
2009-06-23 13:31     ` Luiz Capitulino
2009-06-23 10:08   ` Daniel P. Berrange
2009-06-23 10:11     ` Avi Kivity
2009-06-23 14:46     ` Paul Brook
2009-06-23 10:32   ` Daniel P. Berrange
2009-06-23 11:23     ` Avi Kivity
2009-06-23 13:36     ` Luiz Capitulino
2009-06-23 13:48       ` Eduardo Habkost
2009-06-23 13:51         ` Jan Kiszka
2009-06-23 16:34           ` Avi Kivity
2009-06-23 16:47           ` Daniel P. Berrange
2009-06-23  4:29 ` [Qemu-devel] [PATCH 07/11] QMP: Enable simple commands Luiz Capitulino
2009-06-23  4:29 ` [Qemu-devel] [PATCH 08/11] QMP: Port balloon command Luiz Capitulino
2009-06-23  9:42   ` [Qemu-devel] " Avi Kivity
2009-06-23 13:59     ` Anthony Liguori
2009-06-23 16:36       ` Avi Kivity
2009-06-23 16:58         ` Anthony Liguori
2009-06-23 16:59       ` Luiz Capitulino
2009-06-23 18:38         ` Anthony Liguori
2009-06-25 11:27           ` Dor Laor
2009-06-25 19:11             ` Luiz Capitulino
2009-06-26  9:21               ` Avi Kivity
2009-06-26  9:42                 ` Daniel P. Berrange
2009-06-26 11:15                   ` Avi Kivity
2009-06-27 15:58                   ` Luiz Capitulino
2009-06-28 15:52                     ` Avi Kivity
2009-06-28 16:30                       ` Blue Swirl
2009-06-28 17:23                       ` Filip Navara
2009-06-28 17:43                         ` Avi Kivity
2009-06-28 17:51                         ` Blue Swirl
2009-06-28 18:36                           ` Avi Kivity
2009-06-28 22:11                           ` Jamie Lokier
2009-06-25 19:59             ` Anthony Liguori
2009-06-23  4:29 ` [Qemu-devel] [PATCH 09/11] QMP: Port 'info blockstats' command Luiz Capitulino
2009-06-23  9:43   ` [Qemu-devel] " Avi Kivity
2009-06-23  9:59     ` Jan Kiszka
2009-06-23 10:09       ` Avi Kivity
2009-06-23 10:10         ` Jan Kiszka
2009-06-23 14:01   ` [Qemu-devel] " Anthony Liguori
2009-06-23  4:29 ` [Qemu-devel] [PATCH 10/11] QMP: Introduce basic events Luiz Capitulino
2009-06-23  9:46   ` [Qemu-devel] " Avi Kivity
2009-06-23 17:07     ` Luiz Capitulino
2009-06-23 10:06   ` Daniel P. Berrange
2009-06-23  4:30 ` [Qemu-devel] [PATCH 11/11] QMP: Command-line flag to enable control mode Luiz Capitulino
2009-06-23  9:03   ` [Qemu-devel] " Jan Kiszka
2009-06-23 10:04     ` Daniel P. Berrange
2009-06-23 10:11       ` Jan Kiszka
2009-06-23 10:17         ` Avi Kivity
2009-06-23 10:54           ` Jan Kiszka
2009-06-23 11:28             ` Avi Kivity
2009-06-23 11:44               ` Jan Kiszka
2009-06-23 11:51                 ` Avi Kivity
2009-06-23 11:53                   ` Jan Kiszka
2009-06-23 12:01                     ` Avi Kivity
2009-06-23 12:39                       ` Jan Kiszka
2009-06-23 12:46                         ` Avi Kivity
2009-06-23 12:48                         ` Avi Kivity
2009-06-23 11:54                   ` Daniel P. Berrange
2009-06-23 11:48               ` Daniel P. Berrange
2009-06-23 12:25                 ` Avi Kivity
2009-06-23 14:06           ` Anthony Liguori
2009-06-23 10:19         ` Daniel P. Berrange
2009-06-23 11:13           ` Jan Kiszka
2009-06-23 13:59     ` Luiz Capitulino
2009-06-23 14:06       ` Jan Kiszka
2009-06-23 17:27         ` Luiz Capitulino

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