339 static cycle_t buffer_ftrace_now(struct trace_buffer *buf, int cpu)  in buffer_ftrace_now()
355 	return buffer_ftrace_now(&global_trace.trace_buffer, cpu);  in ftrace_now()
508 	if (tr->trace_buffer.buffer)  in tracer_tracing_on()
509 		ring_buffer_record_on(tr->trace_buffer.buffer);  in tracer_tracing_on()
561 	buffer = global_trace.trace_buffer.buffer;  in __trace_puts()
609 	buffer = global_trace.trace_buffer.buffer;  in __trace_bputs()
673 static int resize_buffer_duplicate_size(struct trace_buffer *trace_buf,
674 					struct trace_buffer *size_buf, int cpu_id);
675 static void set_buffer_entries(struct trace_buffer *buf, unsigned long val);
685 				   &tr->trace_buffer, RING_BUFFER_ALL_CPUS);  in alloc_snapshot()
774 	if (tr->trace_buffer.buffer)  in tracer_tracing_off()
775 		ring_buffer_record_off(tr->trace_buffer.buffer);  in tracer_tracing_off()
817 	if (tr->trace_buffer.buffer)  in tracer_tracing_is_on()
818 		return ring_buffer_record_is_on(tr->trace_buffer.buffer);  in tracer_tracing_is_on()
1033 	struct trace_buffer *trace_buf = &tr->trace_buffer;  in __update_max_tr()
1034 	struct trace_buffer *max_buf = &tr->max_buffer;  in __update_max_tr()
1091 	buf = tr->trace_buffer.buffer;  in update_max_tr()
1092 	tr->trace_buffer.buffer = tr->max_buffer.buffer;  in update_max_tr()
1124 	ret = ring_buffer_swap_cpu(tr->max_buffer.buffer, tr->trace_buffer.buffer, cpu);  in update_max_tr_single()
1150 	return ring_buffer_wait(iter->trace_buffer->buffer, iter->cpu_file,  in wait_on_pipe()
1171 	tracing_reset_online_cpus(&tr->trace_buffer);  in run_tracer_selftest()
1197 	tracing_reset_online_cpus(&tr->trace_buffer);  in run_tracer_selftest()
1303 void tracing_reset(struct trace_buffer *buf, int cpu)  in tracing_reset()
1319 void tracing_reset_online_cpus(struct trace_buffer *buf)  in tracing_reset_online_cpus()
1346 		tracing_reset_online_cpus(&tr->trace_buffer);  in tracing_reset_all_online_cpus()
1452 	buffer = global_trace.trace_buffer.buffer;  in tracing_start()
1491 	buffer = tr->trace_buffer.buffer;  in tracing_start_tr()
1517 	buffer = global_trace.trace_buffer.buffer;  in tracing_stop()
1546 	buffer = tr->trace_buffer.buffer;  in tracing_stop_tr()
1717 	*current_rb = trace_file->tr->trace_buffer.buffer;  in trace_event_buffer_lock_reserve()
1740 	*current_rb = global_trace.trace_buffer.buffer;  in trace_current_buffer_lock_reserve()
1772 	struct ring_buffer *buffer = tr->trace_buffer.buffer;  in trace_function()
1893 	__ftrace_trace_stack(tr->trace_buffer.buffer, flags, skip, pc, NULL);  in __trace_stack()
1914 	__ftrace_trace_stack(global_trace.trace_buffer.buffer,  in trace_dump_stack()
2100 	if (global_trace.trace_buffer.buffer)  in trace_printk_init_buffers()
2160 	buffer = tr->trace_buffer.buffer;  in trace_vbprintk()
2236 	return __trace_array_vprintk(tr->trace_buffer.buffer, ip, fmt, args);  in trace_array_vprintk()
2294 		event = ring_buffer_peek(iter->trace_buffer->buffer, cpu, ts,  in peek_next_entry()
2309 	struct ring_buffer *buffer = iter->trace_buffer->buffer;  in __find_next_entry()
2386 	ring_buffer_consume(iter->trace_buffer->buffer, iter->cpu, &iter->ts,  in trace_consume()
2424 	per_cpu_ptr(iter->trace_buffer->data, cpu)->skipped_entries = 0;  in tracing_iter_reset()
2438 		if (ts >= iter->trace_buffer->time_start)  in tracing_iter_reset()
2444 	per_cpu_ptr(iter->trace_buffer->data, cpu)->skipped_entries = entries;  in tracing_iter_reset()
2529 get_total_entries(struct trace_buffer *buf,  in get_total_entries()
2568 static void print_event_info(struct trace_buffer *buf, struct seq_file *m)  in print_event_info()
2579 static void print_func_help_header(struct trace_buffer *buf, struct seq_file *m)  in print_func_help_header()
2586 static void print_func_help_header_irq(struct trace_buffer *buf, struct seq_file *m)  in print_func_help_header_irq()
2602 	struct trace_buffer *buf = iter->trace_buffer;  in print_trace_header()
2674 	if (per_cpu_ptr(iter->trace_buffer->data, iter->cpu)->skipped_entries)  in test_cpu_buff_start()
2808 			if (!ring_buffer_empty_cpu(iter->trace_buffer->buffer, cpu))  in trace_empty()
2820 			if (!ring_buffer_empty_cpu(iter->trace_buffer->buffer, cpu))  in trace_empty()
2910 				print_func_help_header_irq(iter->trace_buffer, m);  in trace_default_header()
2912 				print_func_help_header(iter->trace_buffer, m);  in trace_default_header()
3069 		iter->trace_buffer = &tr->max_buffer;  in __tracing_open()
3072 		iter->trace_buffer = &tr->trace_buffer;  in __tracing_open()
3083 	if (ring_buffer_overruns(iter->trace_buffer->buffer))  in __tracing_open()
3097 				ring_buffer_read_prepare(iter->trace_buffer->buffer, cpu);  in __tracing_open()
3107 			ring_buffer_read_prepare(iter->trace_buffer->buffer, cpu);  in __tracing_open()
3231 			tracing_reset_online_cpus(&tr->trace_buffer);  in tracing_open()
3233 			tracing_reset(&tr->trace_buffer, cpu);  in tracing_open()
3442 			atomic_inc(&per_cpu_ptr(tr->trace_buffer.data, cpu)->disabled);  in tracing_cpumask_write()
3443 			ring_buffer_record_disable_cpu(tr->trace_buffer.buffer, cpu);  in tracing_cpumask_write()
3447 			atomic_dec(&per_cpu_ptr(tr->trace_buffer.data, cpu)->disabled);  in tracing_cpumask_write()
3448 			ring_buffer_record_enable_cpu(tr->trace_buffer.buffer, cpu);  in tracing_cpumask_write()
3569 		ring_buffer_change_overwrite(tr->trace_buffer.buffer, enabled);  in set_tracer_flag()
4180 	tracing_reset_online_cpus(&tr->trace_buffer);  in tracer_init()
4184 static void set_buffer_entries(struct trace_buffer *buf, unsigned long val)  in set_buffer_entries()
4194 static int resize_buffer_duplicate_size(struct trace_buffer *trace_buf,  in resize_buffer_duplicate_size()
4195 					struct trace_buffer *size_buf, int cpu_id)  in resize_buffer_duplicate_size()
4233 	if (!tr->trace_buffer.buffer)  in __tracing_resize_ring_buffer()
4236 	ret = ring_buffer_resize(tr->trace_buffer.buffer, size, cpu);  in __tracing_resize_ring_buffer()
4247 		int r = resize_buffer_duplicate_size(&tr->trace_buffer,  in __tracing_resize_ring_buffer()
4248 						     &tr->trace_buffer, cpu);  in __tracing_resize_ring_buffer()
4279 		set_buffer_entries(&tr->trace_buffer, size);  in __tracing_resize_ring_buffer()
4281 		per_cpu_ptr(tr->trace_buffer.data, cpu)->entries = size;  in __tracing_resize_ring_buffer()
4610 	iter->trace_buffer = &tr->trace_buffer;  in tracing_open_pipe()
4671 		return ring_buffer_poll_wait(iter->trace_buffer->buffer, iter->cpu_file,  in trace_poll()
4988 				size = per_cpu_ptr(tr->trace_buffer.data, cpu)->entries;  in tracing_entries_read()
4989 			if (size != per_cpu_ptr(tr->trace_buffer.data, cpu)->entries) {  in tracing_entries_read()
5005 		r = sprintf(buf, "%lu\n", per_cpu_ptr(tr->trace_buffer.data, cpu)->entries >> 10);  in tracing_entries_read()
5052 		size += per_cpu_ptr(tr->trace_buffer.data, cpu)->entries >> 10;  in tracing_total_entries_read()
5160 	buffer = tr->trace_buffer.buffer;  in tracing_mark_write()
5230 	ring_buffer_set_clock(tr->trace_buffer.buffer, trace_clocks[i].func);  in tracing_set_clock()
5236 	tracing_reset_online_cpus(&tr->trace_buffer);  in tracing_set_clock()
5330 		iter->trace_buffer = &tr->max_buffer;  in tracing_snapshot_open()
5458 	info->iter.trace_buffer = &info->iter.tr->max_buffer;  in snapshot_raw_open()
5576 	info->iter.trace_buffer = &tr->trace_buffer;  in tracing_buffers_open()
5621 		info->spare = ring_buffer_alloc_read_page(iter->trace_buffer->buffer,  in tracing_buffers_read()
5632 	ret = ring_buffer_read_page(iter->trace_buffer->buffer,  in tracing_buffers_read()
5682 		ring_buffer_free_read_page(iter->trace_buffer->buffer, info->spare);  in tracing_buffers_release()
5783 	entries = ring_buffer_entries_cpu(iter->trace_buffer->buffer, iter->cpu_file);  in tracing_buffers_splice_read()
5796 		ref->buffer = iter->trace_buffer->buffer;  in tracing_buffers_splice_read()
5829 		entries = ring_buffer_entries_cpu(iter->trace_buffer->buffer, iter->cpu_file);  in tracing_buffers_splice_read()
5871 	struct trace_buffer *trace_buf = &tr->trace_buffer;  in tracing_stats_read()
6486 	struct ring_buffer *buffer = tr->trace_buffer.buffer;  in rb_simple_write()
6527 allocate_trace_buffer(struct trace_array *tr, struct trace_buffer *buf, int size)  in allocate_trace_buffer()
6546 	set_buffer_entries(&tr->trace_buffer,  in allocate_trace_buffer()
6547 			   ring_buffer_size(tr->trace_buffer.buffer, 0));  in allocate_trace_buffer()
6556 	ret = allocate_trace_buffer(tr, &tr->trace_buffer, size);  in allocate_trace_buffers()
6564 		ring_buffer_free(tr->trace_buffer.buffer);  in allocate_trace_buffers()
6565 		free_percpu(tr->trace_buffer.data);  in allocate_trace_buffers()
6579 static void free_trace_buffer(struct trace_buffer *buf)  in free_trace_buffer()
6594 	free_trace_buffer(&tr->trace_buffer);  in free_trace_buffers()
7075 	iter->trace_buffer = &global_trace.trace_buffer;  in trace_init_global_iter()
7081 	if (ring_buffer_overruns(iter->trace_buffer->buffer))  in trace_init_global_iter()
7121 		atomic_inc(&per_cpu_ptr(iter.trace_buffer->data, cpu)->disabled);  in ftrace_dump()
7193 		atomic_dec(&per_cpu_ptr(iter.trace_buffer->data, cpu)->disabled);  in ftrace_dump()