EVENT_FILE_FL_PID_FILTER_BIT 624 kernel/trace/trace_events.c clear_bit(EVENT_FILE_FL_PID_FILTER_BIT, &file->flags); EVENT_FILE_FL_PID_FILTER_BIT 1604 kernel/trace/trace_events.c set_bit(EVENT_FILE_FL_PID_FILTER_BIT, &file->flags);