| Message ID | 20250507185827.843653-1-raj.khem@gmail.com |
|---|---|
| State | Accepted, archived |
| Commit | 107c344a627c29a2c6a1a47f57d3d63e74bbb112 |
| Headers | show |
| Series | [v3,1/2] clang: Space optimize clang recipes | expand |
On Wed, 2025-05-07 at 11:58 -0700, Khem Raj via lists.openembedded.org wrote:
> They can consume quite a bit of build space, we don't debug them as often
I did get some measurements before and after these two were applied:
https://valkyrie.yocto.io/pub/non-release/20250509-59/testresults/buildperf-debian11/perf-debian12-vk_master_20250509082553_2859d5fb9d.html
https://valkyrie.yocto.io/pub/non-release/20250509-58/testresults/buildperf-alma8/perf-alma8-vk_master_20250509082530_2859d5fb9d.html
Sadly the improvements aren't that large, particularly considering the
original impact of clang.
Cheers,
Richard
diff --git a/meta/conf/distro/include/yocto-space-optimize.inc b/meta/conf/distro/include/yocto-space-optimize.inc index 407e8937f08..b83ba426e78 100644 --- a/meta/conf/distro/include/yocto-space-optimize.inc +++ b/meta/conf/distro/include/yocto-space-optimize.inc @@ -3,6 +3,8 @@ # and build speed. # With -g, llvm workdir is 40GB, llvm-staticdev is 1.3GB, llvm-dbg is 1GB -DEBUG_LEVELFLAG:pn-llvm = "" +DEBUG_LEVELFLAG:pn-clang = "" +DEBUG_LEVELFLAG:pn-clang-native = "" +DEBUG_LEVELFLAG:pn-nativesdk-clang = "" # With -g, qemu workdir is 10GB, qemu-dbg is 363MB DEBUG_LEVELFLAG:pn-qemu = "" diff --git a/meta/recipes-devtools/clang/clang_git.bb b/meta/recipes-devtools/clang/clang_git.bb index ba037e59785..c93554622f1 100644 --- a/meta/recipes-devtools/clang/clang_git.bb +++ b/meta/recipes-devtools/clang/clang_git.bb @@ -153,8 +153,6 @@ EXTRA_OECMAKE += "-DLLVM_ENABLE_ASSERTIONS=OFF \ -DLLVM_BUILD_EXTERNAL_COMPILER_RT=ON \ -DCMAKE_SYSTEM_NAME=Linux \ -DCMAKE_BUILD_TYPE=Release \ - -DCMAKE_CXX_FLAGS_RELEASE='${CXXFLAGS} -DNDEBUG -g0' \ - -DCMAKE_C_FLAGS_RELEASE='${CFLAGS} -DNDEBUG -g0' \ -DLLVM_ENABLE_PROJECTS='${LLVM_PROJECTS}' \ -DLLVM_BINUTILS_INCDIR=${STAGING_INCDIR} \ -DLLVM_VERSION_SUFFIX='${VER_SUFFIX}' \
They can consume quite a bit of build space, we don't debug them as often Signed-off-by: Khem Raj <raj.khem@gmail.com> --- v2: No change v3: No change meta/conf/distro/include/yocto-space-optimize.inc | 4 +++- meta/recipes-devtools/clang/clang_git.bb | 2 -- 2 files changed, 3 insertions(+), 3 deletions(-)