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+# 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>.
+
+- Generate a coverage report named `file.cpp.gcov`:
+
+`gcov {{path/to/file.cpp}}`
+
+- Write individual execution counts for every basic block:
+
+`gcov --all-blocks {{path/to/file.cpp}}`
+
+- Write branch frequencies to the output file and print summary information to `stdout` as a percentage:
+
+`gcov --branch-probabilities {{path/to/file.cpp}}`
+
+- Write branch frequencies as the number of branches taken, rather than the percentage:
+
+`gcov --branch-counts {{path/to/file.cpp}}`
+
+- Do not create a `gcov` output file:
+
+`gcov --no-output {{path/to/file.cpp}}`
+
+- Write file level as well as function level summaries:
+
+`gcov --function-summaries {{path/to/file.cpp}}`