A c++ library for easy access of various math functions.
gprof or valgrind can be used to profile.
Compile and link the program with -pg and -no-pie flags. This can be done by:
make config=profile utest
Execute the binary:
build/profile/utest --gtest_filter="your-filter"
After execution, a file named gmon.out will be in current directory. Interpret this file with gprof:
gprof build/profile/utest gmon.out
The results will be printed in stdout.
Compile and link the program with release flags. This can be done by:
make config=release utest
Execute the binary through valgrind with a tool named callgrind:
valgrind --tool=callgrind build/release/utest --gtest_filter="your-filter"
A filenamed callgrind.out.pid will be generated. This file can be inspected visually with kcachegrind:
kcachegrind callgrind.out.pid
To instrument the binary for collecting coverage data, c/c++ source files must be compiled with -ftest-coverage -fprofile-arcs or --coverage, and the objects must be linked with -lgcov or --coverage. When compilation is done, files named *.gcno will be generated alone with the object files. This can be done by:
make config=coverage utest
Then, the generated binary must be executed:
build/coverage/utest --gtest_filter="your-filter"
After its execution, files named *.gcda will be generated in the same folder as the corresponding objects. Finally, the data can be visualized by lcov:
lcov -c -d ${dir_to_search_gcda_files} -b ${base_dir_of_src_files} --no-external -o ${output_folder}
All of these steps can be done by:
./coverage.sh