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1The rcutorture scripting tools automatically create an initrd containing2a single statically linked binary named "init" that loops over a3very long sleep() call. In both cases, this creation is done by4tools/testing/selftests/rcutorture/bin/mkinitrd.sh.5 6However, if you don't like the notion of statically linked bare-bones7userspace environments, you might wish to press an existing initrd8into service:9 10------------------------------------------------------------------------11cd tools/testing/selftests/rcutorture12zcat /initrd.img > /tmp/initrd.img.zcat13mkdir initrd14cd initrd15cpio -id < /tmp/initrd.img.zcat16# Manually verify that initrd contains needed binaries and libraries.17