568 static u64 buffer_ftrace_now(struct trace_buffer *buf, int cpu)  in buffer_ftrace_now()
584 	return buffer_ftrace_now(&global_trace.trace_buffer, cpu);  in ftrace_now()
762 	if (tr->trace_buffer.buffer)  in tracer_tracing_on()
763 		ring_buffer_record_on(tr->trace_buffer.buffer);  in tracer_tracing_on()
831 	buffer = global_trace.trace_buffer.buffer;  in __trace_puts()
879 	buffer = global_trace.trace_buffer.buffer;  in __trace_bputs()
949 static int resize_buffer_duplicate_size(struct trace_buffer *trace_buf,
950 					struct trace_buffer *size_buf, int cpu_id);
951 static void set_buffer_entries(struct trace_buffer *buf, unsigned long val);
961 				   &tr->trace_buffer, RING_BUFFER_ALL_CPUS);  in tracing_alloc_snapshot_instance()
1050 	if (tr->trace_buffer.buffer)  in tracer_tracing_off()
1051 		ring_buffer_record_off(tr->trace_buffer.buffer);  in tracer_tracing_off()
1093 	if (tr->trace_buffer.buffer)  in tracer_tracing_is_on()
1094 		return ring_buffer_record_is_on(tr->trace_buffer.buffer);  in tracer_tracing_is_on()
1321 	struct trace_buffer *trace_buf = &tr->trace_buffer;  in __update_max_tr()
1322 	struct trace_buffer *max_buf = &tr->max_buffer;  in __update_max_tr()
1378 	if (ring_buffer_record_is_set_on(tr->trace_buffer.buffer))  in update_max_tr()
1383 	swap(tr->trace_buffer.buffer, tr->max_buffer.buffer);  in update_max_tr()
1414 	ret = ring_buffer_swap_cpu(tr->max_buffer.buffer, tr->trace_buffer.buffer, cpu);  in update_max_tr_single()
1440 	return ring_buffer_wait(iter->trace_buffer->buffer, iter->cpu_file,  in wait_on_pipe()
1491 	tracing_reset_online_cpus(&tr->trace_buffer);  in run_tracer_selftest()
1517 	tracing_reset_online_cpus(&tr->trace_buffer);  in run_tracer_selftest()
1674 void tracing_reset(struct trace_buffer *buf, int cpu)  in tracing_reset()
1690 void tracing_reset_online_cpus(struct trace_buffer *buf)  in tracing_reset_online_cpus()
1720 		tracing_reset_online_cpus(&tr->trace_buffer);  in tracing_reset_all_online_cpus()
1829 	buffer = global_trace.trace_buffer.buffer;  in tracing_start()
1868 	buffer = tr->trace_buffer.buffer;  in tracing_start_tr()
1894 	buffer = global_trace.trace_buffer.buffer;  in tracing_stop()
1923 	buffer = tr->trace_buffer.buffer;  in tracing_stop_tr()
2283 	*current_rb = trace_file->tr->trace_buffer.buffer;  in trace_event_buffer_lock_reserve()
2556 	struct ring_buffer *buffer = tr->trace_buffer.buffer;  in trace_function()
2689 	struct ring_buffer *buffer = tr->trace_buffer.buffer;  in __trace_stack()
2727 	__ftrace_trace_stack(global_trace.trace_buffer.buffer,  in trace_dump_stack()
2877 	if (global_trace.trace_buffer.buffer)  in trace_printk_init_buffers()
2937 	buffer = tr->trace_buffer.buffer;  in trace_vbprintk()
3022 	return __trace_array_vprintk(tr->trace_buffer.buffer, ip, fmt, args);  in trace_array_vprintk()
3083 		event = ring_buffer_peek(iter->trace_buffer->buffer, cpu, ts,  in peek_next_entry()
3098 	struct ring_buffer *buffer = iter->trace_buffer->buffer;  in __find_next_entry()
3175 	ring_buffer_consume(iter->trace_buffer->buffer, iter->cpu, &iter->ts,  in trace_consume()
3213 	per_cpu_ptr(iter->trace_buffer->data, cpu)->skipped_entries = 0;  in tracing_iter_reset()
3227 		if (ts >= iter->trace_buffer->time_start)  in tracing_iter_reset()
3233 	per_cpu_ptr(iter->trace_buffer->data, cpu)->skipped_entries = entries;  in tracing_iter_reset()
3318 get_total_entries(struct trace_buffer *buf,  in get_total_entries()
3357 static void print_event_info(struct trace_buffer *buf, struct seq_file *m)  in print_event_info()
3368 static void print_func_help_header(struct trace_buffer *buf, struct seq_file *m,  in print_func_help_header()
3379 static void print_func_help_header_irq(struct trace_buffer *buf, struct seq_file *m,  in print_func_help_header_irq()
3406 	struct trace_buffer *buf = iter->trace_buffer;  in print_trace_header()
3479 	if (per_cpu_ptr(iter->trace_buffer->data, iter->cpu)->skipped_entries)  in test_cpu_buff_start()
3613 			if (!ring_buffer_empty_cpu(iter->trace_buffer->buffer, cpu))  in trace_empty()
3625 			if (!ring_buffer_empty_cpu(iter->trace_buffer->buffer, cpu))  in trace_empty()
3715 				print_func_help_header_irq(iter->trace_buffer,  in trace_default_header()
3718 				print_func_help_header(iter->trace_buffer, m,  in trace_default_header()
3876 		iter->trace_buffer = &tr->max_buffer;  in __tracing_open()
3879 		iter->trace_buffer = &tr->trace_buffer;  in __tracing_open()
3890 	if (ring_buffer_overruns(iter->trace_buffer->buffer))  in __tracing_open()
3904 				ring_buffer_read_prepare(iter->trace_buffer->buffer, cpu);  in __tracing_open()
3914 			ring_buffer_read_prepare(iter->trace_buffer->buffer, cpu);  in __tracing_open()
4036 		struct trace_buffer *trace_buf = &tr->trace_buffer;  in tracing_open()
4246 			atomic_inc(&per_cpu_ptr(tr->trace_buffer.data, cpu)->disabled);  in tracing_cpumask_write()
4247 			ring_buffer_record_disable_cpu(tr->trace_buffer.buffer, cpu);  in tracing_cpumask_write()
4251 			atomic_dec(&per_cpu_ptr(tr->trace_buffer.data, cpu)->disabled);  in tracing_cpumask_write()
4252 			ring_buffer_record_enable_cpu(tr->trace_buffer.buffer, cpu);  in tracing_cpumask_write()
4390 		ring_buffer_change_overwrite(tr->trace_buffer.buffer, enabled);  in set_tracer_flag()
5154 	tracing_reset_online_cpus(&tr->trace_buffer);  in tracer_init()
5158 static void set_buffer_entries(struct trace_buffer *buf, unsigned long val)  in set_buffer_entries()
5168 static int resize_buffer_duplicate_size(struct trace_buffer *trace_buf,  in resize_buffer_duplicate_size()
5169 					struct trace_buffer *size_buf, int cpu_id)  in resize_buffer_duplicate_size()
5207 	if (!tr->trace_buffer.buffer)  in __tracing_resize_ring_buffer()
5210 	ret = ring_buffer_resize(tr->trace_buffer.buffer, size, cpu);  in __tracing_resize_ring_buffer()
5221 		int r = resize_buffer_duplicate_size(&tr->trace_buffer,  in __tracing_resize_ring_buffer()
5222 						     &tr->trace_buffer, cpu);  in __tracing_resize_ring_buffer()
5253 		set_buffer_entries(&tr->trace_buffer, size);  in __tracing_resize_ring_buffer()
5255 		per_cpu_ptr(tr->trace_buffer.data, cpu)->entries = size;  in __tracing_resize_ring_buffer()
5591 	iter->trace_buffer = &tr->trace_buffer;  in tracing_open_pipe()
5652 		return ring_buffer_poll_wait(iter->trace_buffer->buffer, iter->cpu_file,  in trace_poll()
5969 				size = per_cpu_ptr(tr->trace_buffer.data, cpu)->entries;  in tracing_entries_read()
5970 			if (size != per_cpu_ptr(tr->trace_buffer.data, cpu)->entries) {  in tracing_entries_read()
5986 		r = sprintf(buf, "%lu\n", per_cpu_ptr(tr->trace_buffer.data, cpu)->entries >> 10);  in tracing_entries_read()
6033 		size += per_cpu_ptr(tr->trace_buffer.data, cpu)->entries >> 10;  in tracing_total_entries_read()
6112 	buffer = tr->trace_buffer.buffer;  in tracing_mark_write()
6193 	buffer = tr->trace_buffer.buffer;  in tracing_mark_raw_write()
6248 	ring_buffer_set_clock(tr->trace_buffer.buffer, trace_clocks[i].func);  in tracing_set_clock()
6254 	tracing_reset_online_cpus(&tr->trace_buffer);  in tracing_set_clock()
6319 	if (ring_buffer_time_stamp_abs(tr->trace_buffer.buffer))  in tracing_time_stamp_mode_show()
6366 	ring_buffer_set_time_stamp_abs(tr->trace_buffer.buffer, abs);  in tracing_set_time_stamp_abs()
6414 		iter->trace_buffer = &tr->max_buffer;  in tracing_snapshot_open()
6542 	info->iter.trace_buffer = &info->iter.tr->max_buffer;  in snapshot_raw_open()
6674 	info->iter.trace_buffer = &tr->trace_buffer;  in tracing_buffers_open()
6719 		info->spare = ring_buffer_alloc_read_page(iter->trace_buffer->buffer,  in tracing_buffers_read()
6737 	ret = ring_buffer_read_page(iter->trace_buffer->buffer,  in tracing_buffers_read()
6787 		ring_buffer_free_read_page(iter->trace_buffer->buffer,  in tracing_buffers_release()
6889 	entries = ring_buffer_entries_cpu(iter->trace_buffer->buffer, iter->cpu_file);  in tracing_buffers_splice_read()
6902 		ref->buffer = iter->trace_buffer->buffer;  in tracing_buffers_splice_read()
6930 		entries = ring_buffer_entries_cpu(iter->trace_buffer->buffer, iter->cpu_file);  in tracing_buffers_splice_read()
6974 	struct trace_buffer *trace_buf = &tr->trace_buffer;  in tracing_stats_read()
7622 	struct ring_buffer *buffer = tr->trace_buffer.buffer;  in rb_simple_write()
7665 allocate_trace_buffer(struct trace_array *tr, struct trace_buffer *buf, int size)  in allocate_trace_buffer()
7685 	set_buffer_entries(&tr->trace_buffer,  in allocate_trace_buffer()
7686 			   ring_buffer_size(tr->trace_buffer.buffer, 0));  in allocate_trace_buffer()
7695 	ret = allocate_trace_buffer(tr, &tr->trace_buffer, size);  in allocate_trace_buffers()
7703 		ring_buffer_free(tr->trace_buffer.buffer);  in allocate_trace_buffers()
7704 		tr->trace_buffer.buffer = NULL;  in allocate_trace_buffers()
7705 		free_percpu(tr->trace_buffer.data);  in allocate_trace_buffers()
7706 		tr->trace_buffer.data = NULL;  in allocate_trace_buffers()
7720 static void free_trace_buffer(struct trace_buffer *buf)  in free_trace_buffer()
7735 	free_trace_buffer(&tr->trace_buffer);  in free_trace_buffers()
8253 	iter->trace_buffer = &global_trace.trace_buffer;  in trace_init_global_iter()
8259 	if (ring_buffer_overruns(iter->trace_buffer->buffer))  in trace_init_global_iter()
8300 		atomic_inc(&per_cpu_ptr(iter.trace_buffer->data, cpu)->disabled);  in ftrace_dump()
8372 		atomic_dec(&per_cpu_ptr(iter.trace_buffer->data, cpu)->disabled);  in ftrace_dump()