Re: [PATCH v4 00/13] [RfC] fix tracing for modules

[Stefan Hajnoczi]

On Tue, Jun 01, 2021 at 03:24:01PM +0200, Gerd Hoffmann wrote:
> First version that actually works.  Only qxl covered for this RfC,
> other modules will follow once the basics are hashed out.
> 
> v4:
>  - rebase to latest master.
>  - fix systemtap tracing.
>  - also cover virtio-gpu modules.
>  - pick up some review tags.
>  - misc minor tweaks.
> 
> v3:
>  - handle initialization of modular tracepoints.
> 
> TODO:
> Enabling modular tracepoints via -trace cmd line doesn't work yet.
> Guess we need to store the list somewhere for later re-processing.
> Error handling is tricky, specifically the "tracepoint doesn't exist"
> error.  Suggestions / ideas are welcome.

Excellent! I think we discussed these TODOs in the past. Can we merge
this series in close to its current form or does it degrade the tracing
experience (e.g. does the -trace command-line no longer work for
trace-events files that were split off into modules)?

Stefan

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