From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56821) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fXPX8-0004zu-9C for qemu-devel@nongnu.org; Mon, 25 Jun 2018 07:19:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fXPX7-0008Ec-8H for qemu-devel@nongnu.org; Mon, 25 Jun 2018 07:19:46 -0400 Received: from mail-wm0-x241.google.com ([2a00:1450:400c:c09::241]:54095) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1fXPX7-0008ED-0e for qemu-devel@nongnu.org; Mon, 25 Jun 2018 07:19:45 -0400 Received: by mail-wm0-x241.google.com with SMTP id x6-v6so8783256wmc.3 for ; Mon, 25 Jun 2018 04:19:44 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= Date: Mon, 25 Jun 2018 12:19:33 +0100 Message-Id: <20180625111935.26108-9-alex.bennee@linaro.org> In-Reply-To: <20180625111935.26108-1-alex.bennee@linaro.org> References: <20180625111935.26108-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v1 08/10] build-system: add coverage-report target List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: cota@braap.org, famz@redhat.com, berrange@redhat.com, f4bug@amsat.org, richard.henderson@linaro.org, balrogg@gmail.com, aurelien@aurel32.net, agraf@suse.de Cc: qemu-devel@nongnu.org, =?UTF-8?q?Alex=20Benn=C3=A9e?= 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 --- Makefile | 13 +++++++++++++ docs/devel/testing.rst | 11 ++++++++--- 2 files changed, 21 insertions(+), 3 deletions(-) diff --git a/Makefile b/Makefile index 2b3413a5ba..68af7b5d7c 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: $(CURDIR)/reports/coverage/coverage-report.html ifdef CONFIG_WIN32 @@ -1095,6 +1105,9 @@ endif @echo 'Documentation targets:' @echo ' html info pdf txt' @echo ' - Build documentation in specified format' +ifdef CONFIG_GCOV + @echo ' coverage-report - Create code coverage report' +endif @echo '' ifdef CONFIG_WIN32 @echo 'Windows targets:' diff --git a/docs/devel/testing.rst b/docs/devel/testing.rst index a3652aea14..9dcdd19260 100644 --- a/docs/devel/testing.rst +++ b/docs/devel/testing.rst @@ -166,9 +166,14 @@ If you want to gather coverage information on a single test the ``make clean-coverage`` target can be used to any existing coverage information before running a single test. -Reports can be obtained by running ``gcov`` command -on the output files under ``$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 generate into +./reports/coverage/coverage-report.html. If you want to generate 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 ============ -- 2.17.1