Re: [Qemu-devel] [5636] Run timers from host alarm timer callback

[Anthony Liguori <anthony@codemonkey.ws>]

Luis Pureza wrote:
> Hi,
>
> This commit caused a noticeable slowdown while using the instruction
> counting mechanism. I'm testing with the sparc-test image and with
> --icount auto.
>   

Yeah, I take it that all timers don't result in signals when using 
icount and that we rely on select() timeout instead.  Let me look a 
little more closely at the code and I'll come up with a fix.

Regards,

Anthony Liguori

> Any ideas?
>
> Thanks,
>
> Luís Pureza
>
> On Wed, Nov 5, 2008 at 9:08 PM, Anthony Liguori <anthony@codemonkey.ws> wrote:
>   
>> Anthony Liguori wrote:
>>     
>>> Revision: 5636
>>>          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=5636
>>> Author:   aliguori
>>> Date:     2008-11-05 21:04:35 +0000 (Wed, 05 Nov 2008)
>>>
>>> Log Message:
>>> -----------
>>> Run timers from host alarm timer callback
>>>
>>> This further cleans up the main loop getting it a lot closer to what a
>>> main
>>> loop should be.
>>>
>>> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
>>>
>>>       
>> I've tested this with a variety of clocks and guests but this could uncover
>> more bugs like the previous 5s select sleep.  If things start slowing down,
>> please try this changeset first and let me know.
>>
>> Regards,
>>
>> Anthony Liguori
>>
>>
>>
>>
>>     
>
>
>