reproduce (this is a W=1 build): git checkout linus/master b4 shazam https://lore.kernel.org/r/20240117144704.602-15-graf@amazon.com # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 olddefconfig make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash kernel/trace/