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| author | eadler <eadler@FreeBSD.org> | 2012-04-29 22:19:58 +0000 |
|---|---|---|
| committer | eadler <eadler@FreeBSD.org> | 2012-04-29 22:19:58 +0000 |
| commit | b7552d49546889fdff72fe0708b52cbb5a08f20c (patch) | |
| tree | d21f5c9f8c3c81465e6a87d39ec684b17063d821 | |
| parent | 1781eecdcd7b19cac0f17520144ae08d3a9a01ab (diff) | |
| download | FreeBSD-src-b7552d49546889fdff72fe0708b52cbb5a08f20c.zip FreeBSD-src-b7552d49546889fdff72fe0708b52cbb5a08f20c.tar.gz | |
Allow users of gprof to get per run output files (using the pid)
PR: bin/99800
Submitted by: Peter Jeremy <peterjeremy@optushome.com.au>
Reviewed by: jilles (code)
Reviewed by: dwhite (doc)
Approved by: cperciva
MFC after: 1 week
| -rw-r--r-- | lib/libc/gmon/gmon.c | 7 | ||||
| -rw-r--r-- | lib/libc/gmon/moncontrol.3 | 6 |
2 files changed, 12 insertions, 1 deletions
diff --git a/lib/libc/gmon/gmon.c b/lib/libc/gmon/gmon.c index edf4e2f..8f508b0 100644 --- a/lib/libc/gmon/gmon.c +++ b/lib/libc/gmon/gmon.c @@ -157,7 +157,12 @@ _mcleanup(void) } moncontrol(0); - snprintf(outname, sizeof(outname), "%s.gmon", _getprogname()); + if (getenv("PROFIL_USE_PID")) + snprintf(outname, sizeof(outname), "%s.%d.gmon", + _getprogname(), getpid()); + else + snprintf(outname, sizeof(outname), "%s.gmon", _getprogname()); + fd = _open(outname, O_CREAT|O_TRUNC|O_WRONLY, 0666); if (fd < 0) { _warn("_mcleanup: %s", outname); diff --git a/lib/libc/gmon/moncontrol.3 b/lib/libc/gmon/moncontrol.3 index 7979a71..f78ceae 100644 --- a/lib/libc/gmon/moncontrol.3 +++ b/lib/libc/gmon/moncontrol.3 @@ -98,6 +98,12 @@ however, all functions in that address range will have their execution time measured. Profiling begins on return from .Fn monstartup . +.Sh ENVIRONMENT +The following environment variables affect the execution of +.Nm : +.Bl -tag -width ".Ev PROFIL_USE_PID" +.It PROFIL_USE_PID +If set, the pid of the process is inserted into the filename. .Sh FILES .Bl -tag -width progname.gmon -compact .It Pa progname.gmon |
