899 	struct tracer *tracer = tr->current_trace;  in tracing_snapshot_instance()
1371 		WARN_ON_ONCE(tr->current_trace != &nop_trace);  in update_max_tr()
1408 		WARN_ON_ONCE(tr->current_trace != &nop_trace);  in update_max_tr_single()
1470 	struct tracer *saved_tracer = tr->current_trace;  in run_tracer_selftest()
1493 	tr->current_trace = type;  in run_tracer_selftest()
1509 	tr->current_trace = saved_tracer;  in run_tracer_selftest()
3256 	if (unlikely(tr->current_trace && iter->trace->name != tr->current_trace->name))  in s_start()
3257 		*iter->trace = *tr->current_trace;  in s_start()
3866 	*iter->trace = *tr->current_trace;  in __tracing_open()
3875 	if (tr->current_trace->print_max || snapshot)  in __tracing_open()
4039 		if (tr->current_trace->print_max)  in tracing_open()
4285 	tracer_flags = tr->current_trace->flags->val;  in tracing_trace_options_show()
4286 	trace_opts = tr->current_trace->flags->opts;  in tracing_trace_options_show()
4327 	struct tracer *trace = tr->current_trace;  in set_tracer_option()
4358 	if (tr->current_trace->flag_changed)  in set_tracer_flag()
4359 		if (tr->current_trace->flag_changed(tr, mask, !!enabled))  in set_tracer_flag()
5146 	r = sprintf(buf, "%s\n", tr->current_trace->name);  in tracing_set_trace_read()
5216 	    !tr->current_trace->use_max_tr)  in __tracing_resize_ring_buffer()
5320 	if (tr->current_trace == &nop_trace)  in tracing_set_nop()
5323 	tr->current_trace->enabled--;  in tracing_set_nop()
5325 	if (tr->current_trace->reset)  in tracing_set_nop()
5326 		tr->current_trace->reset(tr);  in tracing_set_nop()
5328 	tr->current_trace = &nop_trace;  in tracing_set_nop()
5366 	if (t == tr->current_trace)  in tracing_set_tracer()
5383 	if (tr->current_trace->ref) {  in tracing_set_tracer()
5390 	tr->current_trace->enabled--;  in tracing_set_tracer()
5392 	if (tr->current_trace->reset)  in tracing_set_tracer()
5393 		tr->current_trace->reset(tr);  in tracing_set_tracer()
5396 	tr->current_trace = &nop_trace;  in tracing_set_tracer()
5428 	tr->current_trace = t;  in tracing_set_tracer()
5429 	tr->current_trace->enabled++;  in tracing_set_tracer()
5519 	if (tr->current_trace->update_thresh) {  in tracing_thresh_write()
5520 		ret = tr->current_trace->update_thresh(tr);  in tracing_thresh_write()
5573 	iter->trace = tr->current_trace;  in tracing_open_pipe()
5601 	tr->current_trace->ref++;  in tracing_open_pipe()
5621 	tr->current_trace->ref--;  in tracing_release_pipe()
6446 	if (tr->current_trace->use_max_tr) {  in tracing_snapshot_write()
6673 	info->iter.trace	= tr->current_trace;  in tracing_buffers_open()
6681 	tr->current_trace->ref++;  in tracing_buffers_open()
6714 	if (iter->snapshot && iter->tr->current_trace->use_max_tr)  in tracing_buffers_read()
6782 	iter->tr->current_trace->ref--;  in tracing_buffers_release()
6871 	if (iter->snapshot && iter->tr->current_trace->use_max_tr)  in tracing_buffers_splice_read()
7636 			if (tr->current_trace->start)  in rb_simple_write()
7637 				tr->current_trace->start(tr);  in rb_simple_write()
7640 			if (tr->current_trace->stop)  in rb_simple_write()
7641 				tr->current_trace->stop(tr);  in rb_simple_write()
7800 	tr->current_trace = &nop_trace;  in instance_mkdir()
7867 	if (tr->ref || (tr->current_trace && tr->current_trace->ref))  in instance_rmdir()
8251 	iter->trace = iter->tr->current_trace;  in trace_init_global_iter()
8541 	global_trace.current_trace = &nop_trace;  in tracer_alloc_buffers()