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| -rw-r--r-- | Documentation/technotes/2021-05-code-coverage.md | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/technotes/2021-05-code-coverage.md b/Documentation/technotes/2021-05-code-coverage.md index ec7f4cb5f9..d33fe5d700 100644 --- a/Documentation/technotes/2021-05-code-coverage.md +++ b/Documentation/technotes/2021-05-code-coverage.md @@ -4,6 +4,9 @@ Code coverage for the coreboot unit tests allows us to see what lines of code in the coreboot library are covered by unit tests, and allows a test author to see where they need to add test cases for additional coverage. +Code coverage requires `lcov`; install the tool if necessary by +`sudo apt install lcov` or the equivalent for your system. + Enable code coverage in your unit test build by setting the environment variable `COV` to 1; either `export COV=1` in your shell, or add it to your `make` command, e.g. `COV=1 make unit-tests`. |