204 static struct ftrace_state save_state;  variable
607 	mutex_lock(&save_state.mutex);  in restore_ftrace()
609 	restore_file(TR_CURRENT, &save_state.tracer, current_tracer);  in restore_ftrace()
610 	restore_file(TR_THRESH, &save_state.thresh, threshold);  in restore_ftrace()
611 	restore_trace_opts(&save_state, use_options);  in restore_ftrace()
613 	mutex_unlock(&save_state.mutex);  in restore_ftrace()
652 	mutex_init(&save_state.mutex, &mattr);  in init_save_state()
655 	save_state.tracer = NULL;  in init_save_state()
656 	save_state.thresh = NULL;  in init_save_state()
657 	save_state.opt_valid[OPTIDX_FUNC_TR] = false;  in init_save_state()
658 	save_state.opt_valid[OPTIDX_DISP_GR] = false;  in init_save_state()
1377 	mutex_lock(&save_state.mutex);  in save_and_disable_tracer()
1379 	save_trace_opts(&save_state);  in save_and_disable_tracer()
1400 	save_state.tracer =  tracer;  in save_and_disable_tracer()
1401 	save_state.thresh = orig_th;  in save_and_disable_tracer()
1406 	mutex_unlock(&save_state.mutex);  in save_and_disable_tracer()
1439 	mutex_lock(&save_state.mutex);  in enable_tracer()
1440 	set_trace_opts(&save_state, use_options);  in enable_tracer()
1442 	write_file(TR_THRESH, save_state.thresh, threshold, ERR_CLEANUP);  in enable_tracer()
1445 	mutex_unlock(&save_state.mutex);  in enable_tracer()