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Diffstat (limited to 'gprof/gprof.texi')
| -rw-r--r-- | gprof/gprof.texi | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/gprof/gprof.texi b/gprof/gprof.texi index b2b2048..5085159 100644 --- a/gprof/gprof.texi +++ b/gprof/gprof.texi @@ -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 |