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08-19-2002 02:34 PM
08-19-2002 02:34 PM
gprof
Hello,
I'm using an f77 compiler. Is using gprof as easy as:
f77 -G file.f
gprof a.out
Because that is what I understand from the manual. Yes, I did set GPROFDIR to my cwd.
Thanks,
Cody
I'm using an f77 compiler. Is using gprof as easy as:
f77 -G file.f
gprof a.out
Because that is what I understand from the manual. Yes, I did set GPROFDIR to my cwd.
Thanks,
Cody
1 REPLY 1
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08-21-2002 08:20 AM
08-21-2002 08:20 AM
Re: gprof
That is basically right.
You did miss running a.out
before running "gprof a.out".
The instrumented a.out will create a gmon.out file when it exits normally. The gprof command will read that gmon.out and format it using the symbol information from a.out.
Depending on the HP-UX release that you are using, you may also want to try some of the other profiling tools like puma, cxperf, caliper, or prospect. Different tools work on different releases. They each have their own strengths and weaknesses. (The most troubling weakness of gprof is that it is usually blind to time spent in shared libraries.)
You did miss running a.out
before running "gprof a.out".
The instrumented a.out will create a gmon.out file when it exits normally. The gprof command will read that gmon.out and format it using the symbol information from a.out.
Depending on the HP-UX release that you are using, you may also want to try some of the other profiling tools like puma, cxperf, caliper, or prospect. Different tools work on different releases. They each have their own strengths and weaknesses. (The most troubling weakness of gprof is that it is usually blind to time spent in shared libraries.)
The opinions expressed above are the personal opinions of the authors, not of Hewlett Packard Enterprise. By using this site, you accept the Terms of Use and Rules of Participation.
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