Re: [Xen-devel] JSON format of >xl list< does not provide state information

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Fri, Feb 17, 2017 at 04:37:10AM +0100, Robert Urban wrote:
> Hello Folks,
> 
> Sorry, forgot to mention the version:
> 
> > # xl info
> > [...]
> > release                : 4.9.3-200.186.fc25.x86_64
> 

This is for Linux kernel, not Xen. To get Xen version:

  xl info | egrep  'major|minor|extra'

 
> plain "xl list" produces:
> 
> > # xl list
> > Name                                        ID   Mem VCPUs    State    
> > Time(s)
> > Domain-0                                     0  2048     1     r-----     
> > 108.2
> 
> and "xl list -l" produces:
> 
> > # xl list -l
> > [
> >     {
> >         "domid": 0,
> >         "config": {
> >             "c_info": {
> >                 "type": "pv",
> >                 "name": "Domain-0"
> >             },
> >             "b_info": {
> >                 "max_memkb": 2097152,
> >                 "target_memkb": 2097151,
> >                 "sched_params": {
> >
> >                 },
> >                 "type.pv": {
> >
> >                 },
> >                 "arch_arm": {
> >
> >                 }
> >             }
> >         }
> >     }
> > ]
> 
> why doesn't "xl list -l" provide the "State" information that the plain "xl
> list" provides? I would have thought the JSON output would be complete.
> 

Because for reasons I don't know the long output format is actually
printing out the domain configuration.

It wouldn't be too difficult to add a new option to generate JSON output
according to short output, but unfortunately I don't have time to work
on this at the moment.

Wei.


> cheers,
> 
> Robert Urban
> 
> 
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> Xen-devel@xxxxxxxxxxxxx
> https://lists.xen.org/xen-devel

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