Create and enable post-processing job for code coverage reporting #1211
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Successfully tested on staging, as can be seen from the list of child nodes for the corresponding
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This new template is meant to be executed as a post-processing job, once every test job for a given `kbuild` node are complete. It gathers the raw coverage data from each of those test jobs and processes it as follows: * create a single JSON tracefile using `gcovr` * extract lines/functions coverage percentages for each job * create `test` child nodes for each job, reporting those percentages * merge all tracefiles in a single results file and generate both an HTML report and `lcov`-compatible tracefile; the HTML report gives a quick overview of the code coverage, while the tracefile can then be downloaded by developers for more targeted processing * create `test` child nodes for the `kbuild` job, reporting global lines/functions coverage percentages for this run Signed-off-by: Arnaud Ferraris <arnaud.ferraris@collabora.com>
Create a generic job definition meant for post-processing coverage data for kernel builds where GCOV support is enabled. This job is enabled for all kernels built with the `coverage` config fragment. Signed-off-by: Arnaud Ferraris <arnaud.ferraris@collabora.com>
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Add a new template for generating code coverage report, meant to be used as a post-processing job for kernels built with GCOV support.
This job will collect coverage data from every test job of a given
kbuildnode, report lines/functions coverage for each job, aggregate coverage data for all jobs and generate the following artifacts pertaining to thekbuildnode itself:Depends on kernelci/kernelci-core#2908 kernelci/kernelci-core#2909 & kernelci/kernelci-core#2916