| GPROF tool information [message #153568] |
Tue, 03 January 2006 03:31  |
sunanda
Messages: 6
Registered: January 2006
Location: Bangalore
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Junior Member |
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Do anybody is having knowledge about GPROF.. Its a tool to identify in ur program which functrion or block is utilizing more time.
I wanna know about the 2 files created(gmon.out and gmon.sum) while running program using gprof tool..
more description of the 2 files generated.
u can utilize this tool in redhat Linux.
Thanks in advance.
regards
sunanda
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| Re: GPROF tool information [message #153573 is a reply to message #153568] |
Tue, 03 January 2006 03:46  |
tarundua
Messages: 1080
Registered: June 2005
Location: India
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Senior Member |
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An excerpt from manual pages
DESCRIPTION
"gprof" produces an execution profile of C, Pascal, or
Fortran77 programs. The effect of called routines is incorporated in the profile of each caller.The profile data is
taken from the call graph profile file (gmon.out default)
which is created by programs that are compiled with the -pg
option of "cc", "pc", and "f77".The -pg option also links in
versions of the library routines that are compiled for
profiling. "Gprof" reads the given object file (the
default is "a.out") and establishes the relation between its
symbol table and the call graph profile from gmon.out. If more
than one profile file is specified, the "gprof" output shows the
sum of the profile information in the given profile files.
@Sunanda
Did you try reading manual pages for the command??
if not, do this
And this is purely Oracle/linux Forum so better to post your doubts on any Linux/Unix(OS) forum. Probably there you will get frequent responses.
[Updated on: Tue, 03 January 2006 03:46] Report message to a moderator |
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| Re: GPROF tool information [message #153594 is a reply to message #153568] |
Tue, 03 January 2006 04:57 |
vijaya2006
Messages: 3
Registered: January 2006
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Junior Member |
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hi,
GPROF is basically a profiling tool.It tells u how much time u hav spent in each of the larger functions.There are some commands to run this.But b4 that u need to make your executable a profiling one.
eg>>If a.out is ur default exe file
then ->a.out -pg
u will get a gmon.out file.
Then run the command as:
gprof option [.exe file[gmon.out]]>textfile
If u run the above command u will get gmon.sum file.
The results can be seen in the generated file...try it out.U can see flatview of the output
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| Re: GPROF tool information [message #153595 is a reply to message #153594] |
Tue, 03 January 2006 05:01 |
sunanda
Messages: 6
Registered: January 2006
Location: Bangalore
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Junior Member |
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Thanks a lot trun and vijaya.
I have generated both the files gmon.out and gmon.sum
but i have not understood the columns given in both files..
cud u be very clear with those columns in the file.
thanks n regards
sunanda
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