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gcov_example: Adds cmake target to generate report

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Closes IDF-727
This commit is contained in:
Alexey Gerenkov 2019-06-28 16:24:05 +03:00 committed by bot
parent 534062dd3b
commit 2926cd09a2
3 changed files with 36 additions and 0 deletions
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23
components/app_trace/project_include.cmake Normal file
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@ -0,0 +1,23 @@
# idf_create_lcov_report
#
# Create coverage report.
function(idf_create_coverage_report report_dir)
set(gcov_tool ${CONFIG_SDK_TOOLPREFIX}gcov)
idf_build_get_property(project_name PROJECT_NAME)
add_custom_target(lcov-report
COMMENT "Generating coverage report in: ${report_dir}"
COMMAND ${CMAKE_COMMAND} -E echo "Using gcov: ${gcov_tool}"
COMMAND ${CMAKE_COMMAND} -E make_directory ${report_dir}/html
COMMAND lcov --gcov-tool ${gcov_tool} -c -d ${CMAKE_CURRENT_BINARY_DIR} -o ${report_dir}/${project_name}.info
COMMAND genhtml -o ${report_dir}/html ${report_dir}/${project_name}.info)
endfunction()
# idf_clean_coverage_report
#
# Clean coverage report.
function(idf_clean_coverage_report report_dir)
add_custom_target(cov-data-clean
COMMENT "Clean coverage report in: ${report_dir}"
COMMAND ${CMAKE_COMMAND} -E remove_directory ${report_dir})
endfunction()

3
examples/system/gcov/CMakeLists.txt
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@ -4,3 +4,6 @@ cmake_minimum_required(VERSION 3.5)
include($ENV{IDF_PATH}/tools/cmake/project.cmake)
project(gcov_example)
idf_create_coverage_report(${CMAKE_CURRENT_BINARY_DIR}/coverage_report)
idf_clean_coverage_report(${CMAKE_CURRENT_BINARY_DIR}/coverage_report)

10
examples/system/gcov/README.md
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@ -127,6 +127,14 @@ cov-data-clean:
.PHONY: lcov-report cov-data-clean
```
For CMake-based build system, add the following lines to you project's `CMakeLists.txt` after the line including `project.cmake`:
```
include($ENV{IDF_PATH}/tools/cmake/gcov.cmake)
idf_create_coverage_report(${CMAKE_CURRENT_BINARY_DIR}/coverage_report)
idf_clean_coverage_report(${CMAKE_CURRENT_BINARY_DIR}/coverage_report)
```
Those lines add two build targets:
* `lcov-report` - generates html coverage report in `$(BUILD_DIR_BASE)/coverage_report/html` directory.
* `cov-data-clean` - removes all coverage data files and reports.
@ -134,6 +142,8 @@ Those lines add two build targets:
To generate report type the following command:
`make lcov-report`
For CMake-based build system, type `cmake --build build/ --target lcov-report`
The sample output of the command is below:
```