gcov

Code coverage analysis and profiling tool that discovers untested parts of a program. Also displays a copy of source code annotated with execution frequencies of code segments. More information: https://gcc.gnu.org/onlinedocs/gcc/Invoking-Gcov.html.

gcov path/to/file.cpp

gcov --all-blocks path/to/file.cpp

gcov --branch-probabilities path/to/file.cpp

gcov --branch-counts path/to/file.cpp

gcov --no-output path/to/file.cpp

gcov --function-summaries path/to/file.cpp