From fe8bf5f62972ce9f227ae3e25767116a6d221b6d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Wed, 20 Jun 2018 14:04:24 +0100 Subject: [PATCH] build-system: add coverage-report target MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This will build a coverage report under the current directory in reports/coverage. At the users option a report can be generated by directly invoking something like: make foo/bar/coverage-report.html Signed-off-by: Alex Bennée Reviewed-by: Philippe Mathieu-Daudé Tested-by: Philippe Mathieu-Daudé Reviewed-by: Daniel P. Berrangé --- Makefile | 13 +++++++++++++ docs/devel/testing.rst | 11 ++++++++--- 2 files changed, 21 insertions(+), 3 deletions(-) diff --git a/Makefile b/Makefile index 9731ec1bb7..2da686be33 100644 --- a/Makefile +++ b/Makefile @@ -986,6 +986,16 @@ docs/interop/qemu-qmp-ref.dvi docs/interop/qemu-qmp-ref.html \ docs/interop/qemu-qmp-ref.txt docs/interop/qemu-qmp-ref.7: \ docs/interop/qemu-qmp-ref.texi docs/interop/qemu-qmp-qapi.texi +# Reports/Analysis + +%/coverage-report.html: + @mkdir -p $* + $(call quiet-command,\ + gcovr -p --html --html-details -o $@, \ + "GEN", "coverage-report.html") + +.PHONY: coverage-report +coverage-report: $(CURDIR)/reports/coverage/coverage-report.html ifdef CONFIG_WIN32 @@ -1095,6 +1105,9 @@ endif @echo 'Documentation targets:' @echo ' html info pdf txt' @echo ' - Build documentation in specified format' +ifdef CONFIG_GCOV + @echo ' coverage-report - Create code coverage report' +endif @echo '' ifdef CONFIG_WIN32 @echo 'Windows targets:' diff --git a/docs/devel/testing.rst b/docs/devel/testing.rst index 7f04ca104e..5e19cd50da 100644 --- a/docs/devel/testing.rst +++ b/docs/devel/testing.rst @@ -166,9 +166,14 @@ If you want to gather coverage information on a single test the ``make clean-coverage`` target can be used to delete any existing coverage information before running a single test. -Reports can be obtained by running ``gcov`` command -on the output files under ``$build_dir/tests/``, please read the -``gcov`` documentation for more information. +You can generate a HTML coverage report by executing ``make +coverage-report`` which will create +./reports/coverage/coverage-report.html. If you want to create it +elsewhere simply execute ``make /foo/bar/baz/coverage-report.html``. + +Further analysis can be conducted by running the ``gcov`` command +directly on the various .gcda output files. Please read the ``gcov`` +documentation for more information. QEMU iotests ============