Hi all,
I have compiled my files using
CXX=g++
CCFLAGS=-O2 -Wall
.cpp.o:.hpp
$(CXX) -c $(CCFLAGS) $*.cpp -pg
and linked them using
program: main.cxx libfoo
$(CXX) $(CCFLAGS) main.cxx -o $@ -lfoo -pg
The program compiles well. But I am not sure if it is the correct syntax
to get it work with gprof. When I run ./program and then gprof program,
all the function names are tangled as though they are not linked
correctly, and I get something like this:
granularity: each sample hit covers 4 byte(s) no time accumulated
% cumulative self self total
time seconds seconds calls ms/call ms/call name
0.0 0.00 0.00 7973033 0.00 0.00 __Z7Func1Pii [35]
0.0 0.00 0.00 2367316 0.00 0.00 past end of text [1]
0.0 0.00 0.00 28 0.00 0.00
__Z17Func2IdLi1EEES8_ [36]
0.0 0.00 0.00 15 0.00 0.00 __Z10Func3EEEiiii
[37]
.....
[snip]
...
So my question is 1) why the program compiles,links and runs correctly,
but the name of the functions look so weired? and 2) why the total and
self times show to be 0.00? The program takes 15 minutes to run and the
whole reason I want to profile it is to find out how long the self times
are in each function.
Thanks,
RS
gcc version 4.0.0 20041026 (Apple Computer, Inc. build 4061)
OSX 10.4.7
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