wq_watchdog_touched_cpu 5716 kernel/workqueue.c static DEFINE_PER_CPU(unsigned long, wq_watchdog_touched_cpu) = INITIAL_JIFFIES; wq_watchdog_touched_cpu 5724 kernel/workqueue.c per_cpu(wq_watchdog_touched_cpu, cpu) = jiffies; wq_watchdog_touched_cpu 5756 kernel/workqueue.c READ_ONCE(per_cpu(wq_watchdog_touched_cpu, wq_watchdog_touched_cpu 5784 kernel/workqueue.c per_cpu(wq_watchdog_touched_cpu, cpu) = jiffies;