Re: [Qemu-devel] [PATCH for-2.8 v1 00/60] Modular build of trace event files

[Daniel P. Berrange]

On Wed, Aug 10, 2016 at 04:05:06PM +0200, Lluís Vilanova wrote:
> Daniel P Berrange writes:
> 
> > I previously split the global trace-events file up into one file
> > per-subdirectory to avoid merge conflict hell.
> 
> > This series builds on that to now actually generate the individual
> > trace files per-subdirectory too. The key benefit of doing this is
> > that a change in a trace-events file will no longer cause a rebuild
> > of the entire world. Instead only that one affected sub-directory
> > will have files rebuilt.
> 
> Is re-compilation time worth the effort?

Absolutely yes, especially if you have build for multiple targets
enabled. Rebuilding all files when you have all 30+ targets enabled
takes an incredibly long time.

Regards,
Daniel
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