D23114: [perf] Introduce ftrace marker

apol added a comment.


  It would be really cool to have a blog post on how to use this once it's in. 👍

INLINE COMMENTS

> zzag wrote in CMakeLists.txt:302
> Not sure whether it has to be on by default. This is kind of development thing.

If disabled is not a big penalty. I'd say it's good that it's on, in case you need to test an already existing binary.

> dbusinterface.cpp:203
> +#else
> +    Q_UNUSED(enable)
> +    return false;

Add a warning?

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D23114

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