How do I use gcov on Linux?

To use Gcov, perform the following steps:

1. Compile the code with the -fprofile-arcs and -ftest-coverage flags, for example: $ gcc -fprofile-arcs -ftest-coverage test.c.
2. Run the instrumented binary and perform functional testing.
3. Generate a report file based on the data that is stored in the profile output files:

What is difference between gcov and LCOV?

Lcov is a graphical front-end for gcov. It collects gcov data for multiple source files and creates HTML pages containing the source code annotated with coverage information. It also adds overview pages for easy navigation within the file structure. Lcov supports statement, function, and branch coverage measurement.

How do I run gcov on Ubuntu?

How to install gcov that is compatible with gcc version 10.1?

1. sudo apt install gcov.
2. sudo apt install gcov-10.
3. sudo apt install gcov-dev.

How do I use LCOV on Linux?

Instructions on how to quickly get started with lcov:

1. Ensure that the project is built using GCC.
2. Add –coverage to compiler and linker flags (for example CFLAGS and LDFLAGS)
3. Compile and run.
4. Collect coverage data: lcov –capture –directory project-dir –output-file coverage.info.
5. Generate HTML output:

What is gcov file?

gcov is a test coverage program. Use it in concert with GCC to analyze your programs to help create more efficient, faster running code and to discover untested parts of your program. You can use gcov as a profiling tool to help discover where your optimization efforts will best affect your code.

How do I create a LCOV report?

Pre-requisites

1. Set up build environment.
2. Install lcov.
3. patch ‘geninfo’
4. Create lcovrc file.
5. Create a storage directory.
6. Retrieve software version.
7. Create reports.

What is LCOV format?

LCOV is a graphical tool for GCC’s coverage testing with gcov. It creates HTML pages containing the source code annotated with coverage information by collecting gcov data from multiple source files.