On Wed, May 23, 2012 at 2:31 AM, Michael Tokarev wrote:
> On 22.05.2012 14:03, ronnie sahlberg wrote:
> []
Doh, now I remember. Whenever you change the aio handlers you need to
call qemu_notify_event() afterwards, if the handler may fire right away.
>>>
>>> Thanks. I just confirmed tha
On 22.05.2012 14:03, ronnie sahlberg wrote:
[]
>>> Doh, now I remember. Whenever you change the aio handlers you need to
>>> call qemu_notify_event() afterwards, if the handler may fire right away.
>>
>> Thanks. I just confirmed that qemu_notify_event() fixes the issue.
>> Ill send a patch that u
None of the other drivers in block/*.c call qemu_notify_event()
Do you you think those should be audited and have this call added to
where required ?
regards
ronnie sahlberg
On Tue, May 22, 2012 at 7:48 PM, ronnie sahlberg
wrote:
> On Tue, May 22, 2012 at 7:29 PM, Paolo Bonzini wrote:
>> Il 2
On Tue, May 22, 2012 at 7:29 PM, Paolo Bonzini wrote:
> Il 22/05/2012 11:15, ronnie sahlberg ha scritto:
>> Hi,
>>
>> Now that I see what happens, I can easily workaround this in block/iscsi.c
>> by the patch below, but I dont know if this is the right thing to do.
>>
>> It does appear that here,
Il 22/05/2012 11:15, ronnie sahlberg ha scritto:
> Hi,
>
> Now that I see what happens, I can easily workaround this in block/iscsi.c
> by the patch below, but I dont know if this is the right thing to do.
>
> It does appear that here, when I use qemu_set_fd_handler() and add a
> handler for "wr
Hi,
Now that I see what happens, I can easily workaround this in block/iscsi.c
by the patch below, but I dont know if this is the right thing to do.
It does appear that here, when I use qemu_set_fd_handler() and add a
handler for "writeble" it takes 55ms before the event system notices
this and
Il 22/05/2012 11:07, ronnie sahlberg ha scritto:
> Below iscsi_aio_readv is printed when we enter this function.
> This function prepares a CDB and sets it up for queueing, but it does
> not actually write it to the socket.
> At the end of this function, we set up the events by calling
> iscs
Hi Stefan
On Mon, May 21, 2012 at 11:20 PM, Stefan Hajnoczi wrote:
> On Mon, May 21, 2012 at 12:00 PM, ronnie sahlberg
> wrote:
>> Yes, I use IDE since I boot from this LUN.
>>
>>
>> I just managed to track it down to the IDE changes.
>>
>> It looks like basically this change triggered it :
>>
>
On Mon, May 21, 2012 at 12:00 PM, ronnie sahlberg
wrote:
> Yes, I use IDE since I boot from this LUN.
>
>
> I just managed to track it down to the IDE changes.
>
> It looks like basically this change triggered it :
>
> commit bef0fd5958120542f126f2dedbfce65d8839a94d
> Author: Stefan Hajnoczi
> Da
Yes, I use IDE since I boot from this LUN.
I just managed to track it down to the IDE changes.
It looks like basically this change triggered it :
commit bef0fd5958120542f126f2dedbfce65d8839a94d
Author: Stefan Hajnoczi
Date: Thu Mar 29 10:31:30 2012 +0100
ide: convert ide_sector_read() to
Il 21/05/2012 12:45, Kevin Wolf ha scritto:
>> I have not yet found the exact part of this big patch that cause this
>> slowdown, but will continue investigating.
>>
>> I am posting this here in case someone has any idea or if 55ms rings any
>> bells.
55ms is the frequency of the PIT while the B
Am 21.05.2012 08:07, schrieb ronnie sahlberg:
> List, Kevin,
>
> Since this merge :
> commit 1f8bcac09af61e58c5121aa0a932190700ad554d
> Merge: cb4c254 1042ec9
> Author: Anthony Liguori
> Date: Mon Apr 23 14:27:04 2012 -0500
>
> Merge remote-tracking branch 'kwolf/for-anthony' into staging
List, Kevin,
Since this merge :
commit 1f8bcac09af61e58c5121aa0a932190700ad554d
Merge: cb4c254 1042ec9
Author: Anthony Liguori
Date: Mon Apr 23 14:27:04 2012 -0500
Merge remote-tracking branch 'kwolf/for-anthony' into staging
* kwolf/for-anthony: (38 commits)
qemu-iotests: Fix t
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