[systemd-devel] [PATCH][RFC][V2] systemd-analyze: rewrite in C. (Was: systemd-analyze-197 broken)

[Lennart Poettering]

On Tue, 22.01.13 16:15, David Strauss (david at davidstrauss.net) wrote:

> 
> I was writing up a bunch of arguments in favor of DOT (now deleted
> after reviewing the existing "analyze" output and how DOT would not be
> good for achieving it). But, I'd really prefer moving the output to
> something more semantic like callgrind [1] or HAR [2]. DOT is
> certainly more semantic than SVG, but it's nowhere near callgrind and
> HAR.

While we generally try to avoid supporting too many different formats
and protocols in systemd, and only support those we really know we can
support for good and make work well, and where we know they have a
strong future I think "systemd-analyze" being primarily an analysis tool
and not being part of the usual system management code paths would
benefit from different output formats, even if those might be slightly
more exotic. I have no experience with HAR and it's not obvious how this
applies to systemd-analyze, but if it has nice tools that can process it
I am all for it. 

BTW, "systemctl dot" can generate dot files, but it's not as useful as
one might hope, since the networks are just too massive. (Thinking about
it, if we now have systemd-analyze in C we really should move
systemctl's dot command there too.)

Lennart

-- 
Lennart Poettering - Red Hat, Inc.