Re: [PATCH v7 0/1] Optimizing the print format of the QEMU monitor 'info mtree'

[Markus Armbruster <armbru@redhat.com>]

Chao Liu <lc00631@tecorigin.com> writes:

> From: Chao Liu <chao.liu@yeah.net>
>
> Hi, all:
>
> After several rounds of discussion, I think that adding a -t option to the
> `info mtree` command, which enables the display of tree-like node characters
> (e.g., +--, |--), is a better approach.
>
> As BALATON Zoltan pointed out, retaining space-based indentation for displaying
> memory region (mr) nodes helps ensure that the output remains easily parseable
> by other programs. This also provides better compatibility with existing tools
> and scripts.

If people really feed the output of HMP info mtree to parsers, we should
probably provide the information via QMP.

> Users can choose between:
>
> - Without '-t': The default format using spaces for indentation, suitable for
>   scripting and parsing;
> - With '-t': The tree-style format using visual characters, ideal for
>   human-readable output.
>
> This way, both usability and compatibility are preserved.

Maintaining compatibility is a choice in HMP, not a requirement.  I'm
not judging, mind.