[PATCH 1/3] Cygwin: New tool: profiler

Corinna Vinschen corinna-cygwin@cygwin.com
Mon Jul 19 10:04:39 GMT 2021

Hi Matt,

On Jul 15 21:49, Mark Geisert wrote:
> The new tool formerly known as cygmon is renamed to 'profiler'.  For the
> name I considered 'ipsampler' and could not think of any others.  I'm open
> to a different name if any is suggested.
> I decided that a discussion of the pros and cons of this profiler vs the
> existing ssp should probably be in the "Profiling Cygwin Programs" section
> of the Cygwin User's Guide rather than in the help for either.  That
> material will be supplied at some point.
> CONTEXT buffers are made child-specific and thus thread-specific since
> there is one profiler thread for each child program being profiled.
> The SetThreadPriority() warning comment has been expanded.
> chmod() works on Cygwin so the "//XXX ineffective" comment is gone.
> I decided to make the "sample all executable sections" and "sample
> dynamically generated code" suggestions simply expanded comments for now.
> The profiler program is now a Cygwin exe rather than a native exe.

The patchset LGTM, but for the details I'd like jturney to have a look
and approve it eventually.


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