event_enable_cmd 2802 kernel/trace/trace_events.c static struct ftrace_func_command event_enable_cmd = { event_enable_cmd 2816 kernel/trace/trace_events.c ret = register_ftrace_command(&event_enable_cmd); event_enable_cmd 2821 kernel/trace/trace_events.c unregister_ftrace_command(&event_enable_cmd);