ftrace_dump_cmd 756 kernel/trace/trace_functions.c static struct ftrace_func_command ftrace_dump_cmd = { ftrace_dump_cmd 782 kernel/trace/trace_functions.c ret = register_ftrace_command(&ftrace_dump_cmd); ftrace_dump_cmd 793 kernel/trace/trace_functions.c unregister_ftrace_command(&ftrace_dump_cmd);