diff options
Diffstat (limited to 'extras/lcov/README.md')
| -rw-r--r-- | extras/lcov/README.md | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/extras/lcov/README.md b/extras/lcov/README.md deleted file mode 100644 index ae57fe53477..00000000000 --- a/extras/lcov/README.md +++ /dev/null @@ -1,48 +0,0 @@ -# Code coverage analysis with lcov {#lcov_code_coverage} - -## Prerequisites - -The Linux gcov and lcov tools are fussy about gcc / g++ compiler -versions. As of this writing, Ubuntu 18.04 gcov / lcov work with -these toolchain versions: - - $ gcc --version - gcc (Ubuntu 7.4.0-1ubuntu1~18.04.1) 7.4.0 - $ g++ --version - g++ (Ubuntu 8.3.0-6ubuntu1~18.04.1) 8.3.0 - -Refer to -https://askubuntu.com/questions/26498/how-to-choose-the-default-gcc-and-g-version for information on how to install multiple gcc / g++ versions, and -switch between them. - -You'll need to install the following additional packages: - - $ sudo apt-get install gcovr ggcov lcov - -## Compile an instrumented vpp image - -Two ways: - - $ cd <workspace-root> - $ make test-gcov - $ ## interrupt compilation after building the image - -or - $ cd <workspace-root>/build-root - $ make PLATFORM=vpp TAG=vpp_gcov vpp-install - -## Initialize the lcov database - - $ cd <workspace-root> - $ ./extras/lcov/lcov_prep - $ make test-gcov or make TEST=my_test test-gcov - $ # repeat or vary as desired to increase reported coverage - $ # Generate the report: - $ ./extras/lcov/lcov_post - -You can run vpp manually, do anything you like. Results are cumulative -until you re-run the "prep" script. - -## Look at the results - -Point a browser at file:///<workspace-root>/build-root/html/index.html |