Re: [Qemu-devel] [PATCHv2 02/04] colo-compare: Processpactkets in the IOThreadofthe primary

[Fam Zheng <famz@redhat.com>]

On Thu, 07/27 15:47, Zhang Chen wrote:
> CC. Fam and David.
> 
> Any idea about it?

Is it possible to use g_main_context_{push,pop}_thread_default to "move" chardev
GSources to IOThread's context, then use g_main_context_query like main thread
and poll the fds in aio_poll?

Fam

> 
> 
> Thanks
> 
> Zhang Chen
> 
> 
> On 07/25/2017 09:02 AM, wang.yong155@zte.com.cn wrote:
> > 
> > >On 24/07/2017 12:38, wang.yong155@zte.com.cn wrote:
> > 
> > >> finally use g_main_loop_run to replace aio_poll  in the
> > 
> > >> iothread_run function.
> > 
> > >
> > 
> > >That would make the performance of virtio-blk with iothreads worse,
> > 
> > >unfortunately.  aio_poll is much more optimized than g_main_loop_run.
> > 
> > Hi Paolo,
> > 
> > Any other good idea to achieve this?
> > 
> > 
> > Thanks
> > 
> > 
> > >
> > 
> > >Paolo
> > 
> > >
> > 
> > >> After that IOThread
> > 
> > >> runs the GMainContext event loop,chardev and IOThread can work
> > together.
> > 
> > >>
> > 
> > >> How about it? If feasible, I will try to submit
> > 
> > 
> > 
> > 
> > 原始邮件
> > *发件人：*<pbonzini@redhat.com>;
> > *收件人：*王勇10170530;<stefanha@redhat.com>;<jasowang@redhat.com>;<marcandre.lureau@gmail.com>;
> > *抄送人：*<zhang.zhanghailiang@huawei.com>;<zhangchen.fnst@cn.fujitsu.com>;<lizhijian@cn.fujitsu.com>;<qemu-devel@nongnu.org>;王广10165992;
> > *日 期 ：*2017年07月24日 19:59
> > *主 题 ：**Re: [PATCHv2 02/04] colo-compare: Processpactkets in the
> > IOThreadofthe primary*
> > 
> > 
> > On 24/07/2017 12:38, wang.yong155@zte.com.cn wrote:
> > > finally use g_main_loop_run to replace aio_poll  in the
> > > iothread_run function.
> > 
> > That would make the performance of virtio-blk with iothreads worse,
> > unfortunately.  aio_poll is much more optimized than g_main_loop_run.
> > 
> > Paolo
> > 
> > > After that IOThread
> > > runs the GMainContext event loop,chardev and IOThread can work together.
> > >
> > > How about it? If feasible, I will try to submit a patch.
> > 
> > 
> > 
> 
> -- 
> Thanks
> Zhang Chen
> 
> 
> 
>