Re: [PATCH] monitor/hmp-cmds: add units for mirate_parameters.

["Dr. David Alan Gilbert" <dgilbert@redhat.com>]

* Stefano Garzarella (sgarzare@redhat.com) wrote:
> On Fri, Mar 27, 2020 at 11:28:14AM +0000, Dr. David Alan Gilbert wrote:
> > * Stefano Garzarella (sgarzare@redhat.com) wrote:
> > > Hi Mao,
> > > 
> > > On Fri, Mar 27, 2020 at 03:32:10PM +0800, Mao Zhongyi wrote:
> > > > When running:
> > > > (qemu) info migrate_parameters
> > > > announce-initial: 50 ms
> > > > announce-max: 550 ms
> > > > announce-step: 100 ms
> > > > compress-wait-thread: on
> > > > ...
> > > > max-bandwidth: 33554432 bytes/second
> > > > downtime-limit: 300 milliseconds
> > > > x-checkpoint-delay: 20000
> > > > ...
> > > > xbzrle-cache-size: 67108864
> > > > 
> > > > add units for the parameters 'x-checkpoint-delay' and
> > > > 'xbzrle-cache-size', it's easier to read.
> > > > 
> > > > Signed-off-by: Mao Zhongyi <maozhongyi@cmss.chinamobile.com>
> > > > ---
> > > >  monitor/hmp-cmds.c | 4 ++--
> > > >  1 file changed, 2 insertions(+), 2 deletions(-)
> > > > 
> > > > diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c
> > > > index 2a900a528a..8d22f96e57 100644
> > > > --- a/monitor/hmp-cmds.c
> > > > +++ b/monitor/hmp-cmds.c
> > > > @@ -440,7 +440,7 @@ void hmp_info_migrate_parameters(Monitor *mon, const QDict *qdict)
> > > >              MigrationParameter_str(MIGRATION_PARAMETER_DOWNTIME_LIMIT),
> > > >              params->downtime_limit);
> > > >          assert(params->has_x_checkpoint_delay);
> > > > -        monitor_printf(mon, "%s: %u\n",
> > > > +        monitor_printf(mon, "%s: %u" " milliseconds\n",
> > >                                        ^
> > > here we can remove the space and use a single string "%s: %u milliseconds\n"
> > 
> > Yes.
> > 
> > > I've noticed that we use both ms or milliseconds, if you want to clean up in a
> > > separate patch, maybe we could use one of these everywhere. (I vote for 'ms')
> > 
> > I do prefer 'ms', however we do seem to just use milliseconds in
> > info migrate
> 
> IIUC, currently with 'info migrate_parameters' we have:
> - announce-initial, announce-max, and announce-step with 'ms'
> - downtime-limit with 'milliseconds'

You're right, so we do - in that case I agree, lets just move them all
to 'ms'.

Dave

> Stefano
> 
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK