1The rcutorture scripting tools automatically create an initrd containing 2a single statically linked binary named "init" that loops over a 3very long sleep() call. In both cases, this creation is done by 4tools/testing/selftests/rcutorture/bin/mkinitrd.sh. 5 6However, if you don't like the notion of statically linked bare-bones 7userspace environments, you might wish to press an existing initrd 8into service: 9 10------------------------------------------------------------------------ 11cd tools/testing/selftests/rcutorture 12zcat /initrd.img > /tmp/initrd.img.zcat 13mkdir initrd 14cd initrd 15cpio -id < /tmp/initrd.img.zcat 16# Manually verify that initrd contains needed binaries and libraries. 17