make LIBCLANGLLVM=1 CXXFLAGS+=-Wno-class-memaccess EXTRA_CXXFLAGS+=-Wno-class-memaccess ARCH= EXTRA_CFLAGS=-fno-omit-frame-pointer -fsanitize=undefined -fsanitize=address -C /usr/src/perf_selftests-x86_64-rhel-8.3-func-309f68878e3f738e7a27d5ef354e2c35880fc047/tools/perf