On Feb 18 10:59, Jon Turney wrote: > > Thanks for this. > > On 17/02/2016 05:28, Mark Geisert wrote: > >There is a behavioral change that ought to be documented somewhere: If > >a gmon.out file exists when a profiled application exits, the app will > >now dump its profiling info into another file gmon.outXXXXXX where > >mkstemp() replaces the Xs with random alphanumerics. I added this > >functionality to allow a profiled program to fork() yet retain profiling > >info for both parent and child. The old behavior was to simply > >overwrite any existing gmon.out file. > > Did you consider making the filename deterministic (e.g. based on pid or > such) rather than random? > > With a random filename, if you have a process which forks more than once, > working out which gmon.out* file corresponds to which process could be > tricky. > > A brief search tells me that apparently glibc supports the (undocumented) > GMON_OUT_PREFIX env var which enables a similar behaviour.
Good point. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat
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