Re: [PATCH] UnitTestFrameworkPkg: Add code coverage support for GCC

["Michael D Kinney" <michael.d.kinney@intel.com>]

Is there a Visual Studio Code plugin to view the code coverage too?

Thanks,

Mike

> -----Original Message-----
> From: Guo, Gua <gua.guo@intel.com>
> Sent: Tuesday, September 13, 2022 6:28 AM
> To: devel@edk2.groups.io
> Cc: Kinney, Michael D <michael.d.kinney@intel.com>; Sean Brogan <sean.brogan@microsoft.com>; Barkelew, Bret
> <bret.barkelew@microsoft.com>; Michael Kubacki <mikuback@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@intel.com>
> Sent: Tuesday, September 13, 2022 9:24 PM
> To: devel@edk2.groups.io
> Cc: Guo, Gua <gua.guo@intel.com>; Kinney, Michael D <michael.d.kinney@intel.com>; Sean Brogan <sean.brogan@microsoft.com>; Barkelew,
> Bret <bret.barkelew@microsoft.com>; Michael Kubacki <mikuback@linux.microsoft.com>
> Subject: [PATCH] UnitTestFrameworkPkg: Add code coverage support for GCC
> 
> From: Gua Guo <gua.guo@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@intel.com>
> Cc: Sean Brogan <sean.brogan@microsoft.com>
> Cc: Bret Barkelew <Bret.Barkelew@microsoft.com>
> Cc: Michael Kubacki <mikuback@linux.microsoft.com>
> Signed-off-by: Gua Guo <gua.guo@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