[PATCH] Support profiling of multi-threaded apps.
Corinna Vinschen
corinna-cygwin@cygwin.com
Thu Mar 10 19:48:00 GMT 2016
On Mar 10 11:11, Mark Geisert wrote:
> On Thu, 10 Mar 2016, Corinna Vinschen wrote:
> >On Mar 10 10:39, Corinna Vinschen wrote:
> >>On Mar 10 00:35, Mark Geisert wrote:
> >>>This is Version 4 incorporating review comments of Version 3. This is just
> >>>the code patch; a separate doc patch is forthcoming.
> >>
> >>Uhm...
> >>
> >>>+ long divisor = 1000*1000*1000; // covers positive pid_t values
> >>
> >>...still "long"?
> >>
> >>Was that an oversight or did you decide to keep it a long? Either way,
> >>no reason to resend another patch version. If you want an int32_t here,
> >>I fix that locally before pushing the patch.
>
> Oversight. Now corrected like this in my local repository:
>
> - long divisor = 1000*1000*1000; // covers positive pid_t values
> + int32_t divisor = 1000*1000*1000; // covers +ve pid_t values
>
> Hopefully this mailer won't fold those two lines.
>
> >
> >Oh, btw., do you have a sentence or two for the release text? Just
> >a short description what's new or changed or fixed. Have a look at
> >winsup/cygwin/release/2.5.0 for an informal howto.
>
> What's new:
> -----------
>
> - Environment variable GMON_OUT_PREFIX enables multiple gmon.out files to
> preserve profiling data after fork or from multiple program runs.
>
> What changed:
> -------------
>
> - Profiling data, specifically pc sampling, now covers all threads of a
> program and not just the main thread.
>
>
> OK with me if you prefer both sentences in one category or the other. I
> hope to have the doc patch ready in the next day or two.
> Thanks,
Thanks to you! I applied the patch and a slightly rearranged version of
the release message to the release file and the documentation.
Thanks,
Corinna
--
Corinna Vinschen Please, send mails regarding Cygwin to
Cygwin Maintainer cygwin AT cygwin DOT com
Red Hat
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