Yes, we can install gcov viewer on vscode.
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Thanks,

Gua

-----Original Message-----
From: Kinney, Michael D <michael.d.kinney@intel.com>
Sent: Tuesday, September 13, 2022 11:12 PM
To: Guo, Gua <gua.guo@intel.com>; devel@edk2.groups.io; Kinney, Michael D <michael.d.kinney@intel.com>
Cc: 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



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



Thanks,



Mike



> -----Original Message-----

> From: Guo, Gua <gua.guo@intel.com<mailto:gua.guo@intel.com>>

> Sent: Tuesday, September 13, 2022 6:28 AM

> To: devel@edk2.groups.io<mailto:devel@edk2.groups.io>

> Cc: Kinney, Michael D <michael.d.kinney@intel.com<mailto:michael.d.kinney@intel.com>>; Sean Brogan

> <sean.brogan@microsoft.com<mailto:sean.brogan@microsoft.com>>; Barkelew, Bret

> <bret.barkelew@microsoft.com<mailto:bret.barkelew@microsoft.com>>; Michael Kubacki

> <mikuback@linux.microsoft.com<mailto: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<mailto:gua.guo@intel.com>>

> Sent: Tuesday, September 13, 2022 9:24 PM

> To: devel@edk2.groups.io<mailto:devel@edk2.groups.io>

> Cc: Guo, Gua <gua.guo@intel.com<mailto:gua.guo@intel.com>>; Kinney, Michael D

> <michael.d.kinney@intel.com<mailto:michael.d.kinney@intel.com>>; Sean Brogan <sean.brogan@microsoft.com<mailto:sean.brogan@microsoft.com>>;

> Barkelew, Bret <bret.barkelew@microsoft.com<mailto:bret.barkelew@microsoft.com>>; Michael Kubacki

> <mikuback@linux.microsoft.com<mailto:mikuback@linux.microsoft.com>>

> Subject: [PATCH] UnitTestFrameworkPkg: Add code coverage support for

> GCC

>

> From: Gua Guo <gua.guo@intel.com<mailto: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<mailto:michael.d.kinney@intel.com>>

> Cc: Sean Brogan <sean.brogan@microsoft.com<mailto:sean.brogan@microsoft.com>>

> Cc: Bret Barkelew <Bret.Barkelew@microsoft.com<mailto:Bret.Barkelew@microsoft.com>>

> Cc: Michael Kubacki <mikuback@linux.microsoft.com<mailto:mikuback@linux.microsoft.com>>

> Signed-off-by: Gua Guo <gua.guo@intel.com<mailto: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