Re: [Qemu-devel] [PATCH COLO-Frame v9 00/32] COarse-grain LOck-stepping(COLO) Virtual Machines for Non-stop Service (FT)

[zhanghailiang]

Hi Dave,

Thanks for feedback, i have recorded this problem, maybe we can optimize this
calling in the future.

Thanks,
zhanghailiang

On 2015/10/21 22:10, Dr. David Alan Gilbert wrote:
> Hi,
>    Not something I found on this set; but on your older set, where you have
> the experimental 'live' ram transfer; we found a test that was slowed
> down (5x) by the calls to 'colo_need_live_migrate_ram'; even if it decides
> not to send any RAM in the live phase, the call to 'qemu_savevm_state_pending'
> can be really expensive.
>
>    Just thought it worth mentioning.
>
> Dave
>
> --
> Dr. David Alan Gilbert / address@hidden / Manchester, UK
>
> .