1rcutorture.test_boost=2 2rcutorture.stutter=0 3rcutree.gp_preinit_delay=12 4rcutree.gp_init_delay=3 5rcutree.gp_cleanup_delay=3 6rcutree.kthread_prio=2 7threadirqs 8rcutree.use_softirq=0 9