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PR4283, update gprof manual with note about GMON_OUT_PREFIX

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PR 4283
	* gprof.texi (Executing): Note GMON_OUT_PREFIX environment variable.
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Ben Asselstine 2021-06-03 21:25:15 +09:30 committed by Alan Modra
parent 364d772977
commit bbd47c1230
2 changed files with 10 additions and 3 deletions
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5
gprof/ChangeLog
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@ -1,3 +1,8 @@
2021-06-03 Ben Asselstine <benasselstine@gmail.com>
PR 4283
* gprof.texi (Executing): Note GMON_OUT_PREFIX environment variable.
2021-05-08 Mike Frysinger <vapier@gentoo.org>
* Makefile.am (html-local, doc/gprof/index.html): New targets.

8
gprof/gprof.texi
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@ -381,9 +381,11 @@ initialization and in cleanup, but not much else.
Your program will write the profile data into a file called @file{gmon.out}
just before exiting. If there is already a file called @file{gmon.out},
its contents are overwritten. There is currently no way to tell the
program to write the profile data under a different name, but you can rename
the file afterwards if you are concerned that it may be overwritten.
its contents are overwritten. You can rename the file afterwards if you
are concerned that it may be overwritten. If your system libc allows you
may be able to write the profile data under a different name. Set the
GMON_OUT_PREFIX environment variable; this name will be appended with
the PID of the running program.
In order to write the @file{gmon.out} file properly, your program must exit
normally: by returning from @code{main} or by calling @code{exit}. Calling