On Mon, Nov 18, 2024 at 02:25:40PM -0800, Yabin Cui wrote: > Select ARCH_SUPPORTS_AUTOFDO_CLANG to allow AUTOFDO_CLANG to be > selected. > > On ARM64, ETM traces can be recorded and converted to AutoFDO profiles. > Experiments on Android show 4% improvement in cold app startup time > and 13% improvement in binder benchmarks. > > Signed-off-by: Yabin Cui <yabinc@xxxxxxxxxx> This looks trivial enough to enable. ;) I expect this could go via the kbuild tree (Masahiro) with an arm64 maintainer Ack. FWIW: Reviewed-by: Kees Cook <kees@xxxxxxxxxx> -- Kees Cook
