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Re: [Qemu-devel] [RFC v3 11/27] monitor: allow to use IO thread for pars
From: |
Fam Zheng |
Subject: |
Re: [Qemu-devel] [RFC v3 11/27] monitor: allow to use IO thread for parsing |
Date: |
Tue, 7 Nov 2017 15:17:57 +0800 |
User-agent: |
Mutt/1.9.1 (2017-09-22) |
On Mon, 11/06 17:46, Peter Xu wrote:
> For each Monitor, add one field "use_io_thr" to show whether it will be
> using the dedicated monitor IO thread to handle input/output. When set,
> monitor IO parsing work will be offloaded to dedicated monitor IO
> thread, rather than the original main loop thread.
>
> This only works for QMP. HMP will always be run on main loop thread.
>
> Currently we're still keeping use_io_thr to off always. Will turn it on
> later at some point.
>
> One thing to mention is that we cannot set use_io_thr for every QMP
> monitors. The problem is that MUXed typed chardevs may not work well
> with it now. When MUX is used, frontend of chardev can be the monitor
> plus something else. The only thing we know would be safe to be run
> outside main thread so far is the monitor frontend. All the rest of the
> frontends should still be run in main thread only.
>
> Signed-off-by: Peter Xu <address@hidden>
Reviewed-by: Fam Zheng <address@hidden>
- [Qemu-devel] [RFC v3 08/27] monitor: unify global init, (continued)
[Qemu-devel] [RFC v3 11/27] monitor: allow to use IO thread for parsing, Peter Xu, 2017/11/06
- Re: [Qemu-devel] [RFC v3 11/27] monitor: allow to use IO thread for parsing,
Fam Zheng <=
[Qemu-devel] [RFC v3 12/27] qmp: introduce QMPCapability, Peter Xu, 2017/11/06
[Qemu-devel] [RFC v3 13/27] qmp: negociate QMP capabilities, Peter Xu, 2017/11/06
[Qemu-devel] [RFC v3 14/27] qmp: introduce some capability helpers, Peter Xu, 2017/11/06
[Qemu-devel] [RFC v3 15/27] monitor: introduce monitor_qmp_respond(), Peter Xu, 2017/11/06
[Qemu-devel] [RFC v3 16/27] monitor: let monitor_{suspend|resume} thread safe, Peter Xu, 2017/11/06
[Qemu-devel] [RFC v3 17/27] monitor: separate QMP parser and dispatcher, Peter Xu, 2017/11/06
[Qemu-devel] [RFC v3 18/27] qmp: add new event "request-dropped", Peter Xu, 2017/11/06