On Tue, Apr 27, 2010 at 02:38:17PM +0100, Daniel P. Berrange wrote:
> On Tue, Apr 27, 2010 at 04:15:54PM +0300, Gleb Natapov wrote:
> > On Tue, Apr 27, 2010 at 02:11:46PM +0100, Daniel P. Berrange wrote:
> > > On Tue, Apr 27, 2010 at 08:03:42AM -0500, Anthony Liguori wrote:
> > > > On 04/27/2010 03
On 04/27/2010 08:58 AM, Kevin Wolf wrote:
Am 27.04.2010 15:48, schrieb Anthony Liguori:
On 04/27/2010 08:42 AM, Kevin Wolf wrote:
Am 27.04.2010 15:21, schrieb Anthony Liguori:
On 04/27/2010 08:18 AM, Kevin Wolf wrote:
The watermark is not some complex computed va
Am 27.04.2010 15:48, schrieb Anthony Liguori:
> On 04/27/2010 08:42 AM, Kevin Wolf wrote:
>> Am 27.04.2010 15:21, schrieb Anthony Liguori:
>>
>>> On 04/27/2010 08:18 AM, Kevin Wolf wrote:
>>>
The watermark is not some complex computed value, but actually the
statistic itself. We
On 04/27/2010 08:42 AM, Kevin Wolf wrote:
Am 27.04.2010 15:21, schrieb Anthony Liguori:
On 04/27/2010 08:18 AM, Kevin Wolf wrote:
The watermark is not some complex computed value, but actually the
statistic itself. We can get rid of handling a threshold in qemu by just
signalling "som
Am 27.04.2010 15:21, schrieb Anthony Liguori:
> On 04/27/2010 08:18 AM, Kevin Wolf wrote:
>>
>> The watermark is not some complex computed value, but actually the
>> statistic itself. We can get rid of handling a threshold in qemu by just
>> signalling "something has changed with this stat".
>>
>>
On Tue, Apr 27, 2010 at 04:15:54PM +0300, Gleb Natapov wrote:
> On Tue, Apr 27, 2010 at 02:11:46PM +0100, Daniel P. Berrange wrote:
> > On Tue, Apr 27, 2010 at 08:03:42AM -0500, Anthony Liguori wrote:
> > > On 04/27/2010 03:14 AM, Avi Kivity wrote:
> > > >On 04/27/2010 01:36 AM, Anthony Liguori wro
On Tue, Apr 27, 2010 at 08:19:06AM -0500, Anthony Liguori wrote:
> On 04/27/2010 08:05 AM, Gleb Natapov wrote:
> >On Tue, Apr 27, 2010 at 08:00:02AM -0500, Anthony Liguori wrote:
> >>On 04/27/2010 06:11 AM, Gleb Natapov wrote:
> >>>Network cards have low number of rx/tx buffers interrupt. This is a
On 04/27/2010 08:18 AM, Kevin Wolf wrote:
The watermark is not some complex computed value, but actually the
statistic itself. We can get rid of handling a threshold in qemu by just
signalling "something has changed with this stat".
I'm really not arguing that qemu should do anything complex or
On 04/27/2010 08:05 AM, Gleb Natapov wrote:
On Tue, Apr 27, 2010 at 08:00:02AM -0500, Anthony Liguori wrote:
On 04/27/2010 06:11 AM, Gleb Natapov wrote:
Network cards have low number of rx/tx buffers interrupt. This is also
heuristic. Do you think driver should poll for this event ins
Am 27.04.2010 15:10, schrieb Anthony Liguori:
> On 04/27/2010 03:53 AM, Kevin Wolf wrote:
>> Am 27.04.2010 00:36, schrieb Anthony Liguori:
>>
>>> On 04/26/2010 05:12 PM, Chris Wright wrote:
>>>
* Anthony Liguori (anth...@codemonkey.ws) wrote:
> On 04/26/2010 12:
On Tue, Apr 27, 2010 at 02:11:46PM +0100, Daniel P. Berrange wrote:
> On Tue, Apr 27, 2010 at 08:03:42AM -0500, Anthony Liguori wrote:
> > On 04/27/2010 03:14 AM, Avi Kivity wrote:
> > >On 04/27/2010 01:36 AM, Anthony Liguori wrote:
> > >>
> > >>A few comments:
> > >>
> > >>1) The problem was not b
On 04/27/2010 04:41 AM, Kevin Wolf wrote:
Am 27.04.2010 11:32, schrieb Dor Laor:
On 04/27/2010 12:22 PM, Avi Kivity wrote:
On 04/27/2010 12:08 PM, Dor Laor wrote:
On 04/27/2010 11:56 AM, Avi Kivity wrote:
On 04/27/2010 11:48 AM, Dor Laor wrote:
IMHO th
On Tue, Apr 27, 2010 at 08:03:42AM -0500, Anthony Liguori wrote:
> On 04/27/2010 03:14 AM, Avi Kivity wrote:
> >On 04/27/2010 01:36 AM, Anthony Liguori wrote:
> >>
> >>A few comments:
> >>
> >>1) The problem was not block watermark itself but generating a
> >>notification on the watermark threshol
On 04/27/2010 03:53 AM, Kevin Wolf wrote:
Am 27.04.2010 00:36, schrieb Anthony Liguori:
On 04/26/2010 05:12 PM, Chris Wright wrote:
* Anthony Liguori (anth...@codemonkey.ws) wrote:
On 04/26/2010 12:26 PM, Chris Wright wrote:
Please send in any agenda items you ar
On 04/27/2010 04:03 PM, Anthony Liguori wrote:
On 04/27/2010 03:14 AM, Avi Kivity wrote:
On 04/27/2010 01:36 AM, Anthony Liguori wrote:
A few comments:
1) The problem was not block watermark itself but generating a
notification on the watermark threshold. It's a heuristic and
should be imp
On Tue, Apr 27, 2010 at 08:00:02AM -0500, Anthony Liguori wrote:
> On 04/27/2010 06:11 AM, Gleb Natapov wrote:
> >Network cards have low number of rx/tx buffers interrupt. This is also
> >heuristic. Do you think driver should poll for this event instead and
> >NIC designers just wasted their time d
On 04/27/2010 03:14 AM, Avi Kivity wrote:
On 04/27/2010 01:36 AM, Anthony Liguori wrote:
A few comments:
1) The problem was not block watermark itself but generating a
notification on the watermark threshold. It's a heuristic and should
be implemented based on polling block stats.
Pollin
On 04/27/2010 06:11 AM, Gleb Natapov wrote:
Network cards have low number of rx/tx buffers interrupt. This is also
heuristic. Do you think driver should poll for this event instead and
NIC designers just wasted their time designing the feature?
I don't see how the two cases are at all simil
On Mon, Apr 26, 2010 at 05:36:52PM -0500, Anthony Liguori wrote:
> On 04/26/2010 05:12 PM, Chris Wright wrote:
> >* Anthony Liguori (anth...@codemonkey.ws) wrote:
> >>On 04/26/2010 12:26 PM, Chris Wright wrote:
> >>>Please send in any agenda items you are interested in covering.
> >>>
> >>>While I
Am 27.04.2010 11:32, schrieb Dor Laor:
> On 04/27/2010 12:22 PM, Avi Kivity wrote:
>> On 04/27/2010 12:08 PM, Dor Laor wrote:
>>> On 04/27/2010 11:56 AM, Avi Kivity wrote:
On 04/27/2010 11:48 AM, Dor Laor wrote:
> IMHO the whole thing is way over engineered:
> a) Having another channel
On 04/27/2010 12:22 PM, Avi Kivity wrote:
On 04/27/2010 12:08 PM, Dor Laor wrote:
On 04/27/2010 11:56 AM, Avi Kivity wrote:
On 04/27/2010 11:48 AM, Dor Laor wrote:
Here's another option: an nbd-like protocol that remotes all
BlockDriver
operations except read and write over a unix domain socke
On 04/27/2010 12:16 PM, Kevin Wolf wrote:
Am 27.04.2010 10:56, schrieb Avi Kivity:
On 04/27/2010 11:48 AM, Dor Laor wrote:
Here's another option: an nbd-like protocol that remotes all BlockDriver
operations except read and write over a unix domain socket. The open
operation returns an
On 04/27/2010 12:08 PM, Dor Laor wrote:
On 04/27/2010 11:56 AM, Avi Kivity wrote:
On 04/27/2010 11:48 AM, Dor Laor wrote:
Here's another option: an nbd-like protocol that remotes all
BlockDriver
operations except read and write over a unix domain socket. The open
operation returns an fd (SCM_R
Am 27.04.2010 10:56, schrieb Avi Kivity:
> On 04/27/2010 11:48 AM, Dor Laor wrote:
>>> Here's another option: an nbd-like protocol that remotes all BlockDriver
>>> operations except read and write over a unix domain socket. The open
>>> operation returns an fd (SCM_RIGHTS strikes again) that is use
On 04/27/2010 11:56 AM, Avi Kivity wrote:
On 04/27/2010 11:48 AM, Dor Laor wrote:
Here's another option: an nbd-like protocol that remotes all BlockDriver
operations except read and write over a unix domain socket. The open
operation returns an fd (SCM_RIGHTS strikes again) that is used for read
On 04/27/2010 11:48 AM, Dor Laor wrote:
Here's another option: an nbd-like protocol that remotes all BlockDriver
operations except read and write over a unix domain socket. The open
operation returns an fd (SCM_RIGHTS strikes again) that is used for read
and write. This can be used to implement s
Am 27.04.2010 00:36, schrieb Anthony Liguori:
> On 04/26/2010 05:12 PM, Chris Wright wrote:
>> * Anthony Liguori (anth...@codemonkey.ws) wrote:
>>
>>> On 04/26/2010 12:26 PM, Chris Wright wrote:
>>>
Please send in any agenda items you are interested in covering.
While I don
On 04/27/2010 11:14 AM, Avi Kivity wrote:
On 04/27/2010 01:36 AM, Anthony Liguori wrote:
A few comments:
1) The problem was not block watermark itself but generating a
notification on the watermark threshold. It's a heuristic and should
be implemented based on polling block stats.
Polling fo
On 04/27/2010 01:36 AM, Anthony Liguori wrote:
A few comments:
1) The problem was not block watermark itself but generating a
notification on the watermark threshold. It's a heuristic and should
be implemented based on polling block stats.
Polling for an event that never happens is bad en
On Mon, Apr 26, 2010 at 10:15:58PM -0300, Luiz Capitulino wrote:
> On Mon, 26 Apr 2010 12:51:08 -0500
> Anthony Liguori wrote:
>
> > On 04/26/2010 12:26 PM, Chris Wright wrote:
> > > Please send in any agenda items you are interested in covering.
> > >
> > > While I don't expect it to be the case
On Mon, 26 Apr 2010 12:51:08 -0500
Anthony Liguori wrote:
> On 04/26/2010 12:26 PM, Chris Wright wrote:
> > Please send in any agenda items you are interested in covering.
> >
> > While I don't expect it to be the case this week, if we have a
> > lack of agenda items I'll cancel the week's call.
On 04/26/2010 05:12 PM, Chris Wright wrote:
* Anthony Liguori (anth...@codemonkey.ws) wrote:
On 04/26/2010 12:26 PM, Chris Wright wrote:
Please send in any agenda items you are interested in covering.
While I don't expect it to be the case this week, if we have a
lack of agenda items
* Anthony Liguori (anth...@codemonkey.ws) wrote:
> On 04/26/2010 12:26 PM, Chris Wright wrote:
> >Please send in any agenda items you are interested in covering.
> >
> >While I don't expect it to be the case this week, if we have a
> >lack of agenda items I'll cancel the week's call.
>
> - qemu ma
On 04/26/2010 12:26 PM, Chris Wright wrote:
Please send in any agenda items you are interested in covering.
While I don't expect it to be the case this week, if we have a
lack of agenda items I'll cancel the week's call.
- qemu management interface (and libvirt)
- stable tree policy (push
Please send in any agenda items you are interested in covering.
While I don't expect it to be the case this week, if we have a
lack of agenda items I'll cancel the week's call.
thanks,
-chris
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