Re: [Xen-devel] [PATCH 2 of 2] libxl: publish number of shared and paged pages

["Andres Lagar-Cavilla" <andres@xxxxxxxxxxxxxxxx>]

> On Tue, 2012-03-13 at 15:35 +0000, Ian Jackson wrote:
>> Andres Lagar-Cavilla writes ("Re: [Xen-devel] [PATCH 2 of 2] libxl:
>> publish number of shared and paged pages"):
>> > > But did you not want to print it from xl command or other?
>> >
>> > Not in xl list (format compat with xm list). Where?
>>
>> Tricky.  Can you make the format compatible if paging is disabled ?
>>
>> Ultimately the format of list is pretty annoying and inextensible.
>
> I was wondering if we should just bit the bullet and agree that only the
> machine readable "xl list -l" output is backwards compatible? Supporting
> machine parsing of the human readable "xl list" output is pretty
> limiting in many ways.
>
> The default for "xl list -l" is now json output (which is autogenerated
> and will therefore pickup new field automatically) but there is an
> option to use the xm sxp syntax too.
>
> If changing the machine readable output is actually impossible I suppose
> we could add a "--old-style" flag to ease the transition?

Happy to add the paging and sharing stats to the extended list format,
once a choice is made.
Andres

>
> Ian.
>
>



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