[edk2-devel] [PATCH] UnitTestFrameworkPkg: Add code coverage support for GCC
Michael D Kinney
michael.d.kinney at intel.com
Tue Sep 13 15:11:39 UTC 2022
Is there a Visual Studio Code plugin to view the code coverage too?
Thanks,
Mike
> -----Original Message-----
> From: Guo, Gua <gua.guo at intel.com>
> Sent: Tuesday, September 13, 2022 6:28 AM
> To: devel at edk2.groups.io
> Cc: Kinney, Michael D <michael.d.kinney at intel.com>; Sean Brogan <sean.brogan at microsoft.com>; Barkelew, Bret
> <bret.barkelew at microsoft.com>; Michael Kubacki <mikuback at linux.microsoft.com>
> Subject: RE: [PATCH] UnitTestFrameworkPkg: Add code coverage support for GCC
>
> Hi All
>
> I want to follow below steps to generate code coverage data based the default build. But I notice currently GCC compiler flags won't
> generate *gcda and *.gcno.
> So add the CC flags to generate necessary data that require by "lcov" tool.
>
> I'm not sure whether have any concern to add the flags by default.
>
> Step1. sudo apt-get install lcov
> Step2. stuart_ci_build -c .pytool/CISettings.py -p MdePkg -t NOOPT -a IA32,X64 TOOL_CHAIN_TAG=GCC5 --verbose
> Step3. lcov -c --rc lcov_branch_coverage=1 -o UnitTest.info -d Build/MdePkg/HostTest/NOOPT_GCC5/X64/MdePkg/
> Step4. genhtml UnitTest.info --branch-coverage -o .Build/UnitTestReport
> Step5. Open "Build/UnitTestReport/index.html"
>
> Thanks,
> Gua
>
> -----Original Message-----
> From: Guo, Gua <gua.guo at intel.com>
> Sent: Tuesday, September 13, 2022 9:24 PM
> To: devel at edk2.groups.io
> Cc: Guo, Gua <gua.guo at intel.com>; Kinney, Michael D <michael.d.kinney at intel.com>; Sean Brogan <sean.brogan at microsoft.com>; Barkelew,
> Bret <bret.barkelew at microsoft.com>; Michael Kubacki <mikuback at linux.microsoft.com>
> Subject: [PATCH] UnitTestFrameworkPkg: Add code coverage support for GCC
>
> From: Gua Guo <gua.guo at intel.com>
>
> In order to collect code coverage after running executable file, generate *.gcda and *.gcno file that require by lcov tool to
> generate code coverage report.
>
> Cc: Michael D Kinney <michael.d.kinney at intel.com>
> Cc: Sean Brogan <sean.brogan at microsoft.com>
> Cc: Bret Barkelew <Bret.Barkelew at microsoft.com>
> Cc: Michael Kubacki <mikuback at linux.microsoft.com>
> Signed-off-by: Gua Guo <gua.guo at intel.com>
> ---
> UnitTestFrameworkPkg/UnitTestFrameworkPkgHost.dsc.inc | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/UnitTestFrameworkPkg/UnitTestFrameworkPkgHost.dsc.inc b/UnitTestFrameworkPkg/UnitTestFrameworkPkgHost.dsc.inc
> index 4dd8d4ac67..8623aecb33 100644
> --- a/UnitTestFrameworkPkg/UnitTestFrameworkPkgHost.dsc.inc
> +++ b/UnitTestFrameworkPkg/UnitTestFrameworkPkgHost.dsc.inc
> @@ -19,7 +19,7 @@
> MemoryAllocationLib|UnitTestFrameworkPkg/Library/Posix/MemoryAllocationLibPosix/MemoryAllocationLibPosix.inf [BuildOptions]-
> GCC:*_*_*_CC_FLAGS = -fno-pie+ GCC:*_*_*_CC_FLAGS = -fno-pie -ftest-coverage -fprofile-arcs !ifdef $(UNIT_TESTING_DEBUG)
> MSFT:*_*_*_CC_FLAGS = -D UNIT_TESTING_DEBUG=1 GCC:*_*_*_CC_FLAGS = -D UNIT_TESTING_DEBUG=1--
> 2.31.1.windows.1
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