reproduce (this is a W=1 build): git clone https://github.com/intel/lkp-tests.git ~/lkp-tests git remote add perf-tools-next https://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git git fetch perf-tools-next perf-tools-next git checkout perf-tools-next/perf-tools-next b4 shazam https://lore.kernel.org/r/0999a39f0a068979dbcc6119380f63d706101b4f.1710257512.git.robin.murphy@arm.com # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=powerpc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-13.2.0 ~/lkp-tests/kbuild/make.cross W=1 O=build_dir ARCH=powerpc SHELL=/bin/bash arch/powerpc/perf/