1 "string_value" 2 "traced_probes" 3 "rcuos/0" 4 "rcuos/0" 5 "rcu_sched" 6 "rcu_sched" 7 "atrace" 8 "atrace" 9 "traced_probes" 10 "swapper/1" 11 "rcu_preempt" 12