265 static struct trace_array	global_trace;  variable
344 	return buffer_ftrace_now(&global_trace.trace_buffer, cpu);  in ftrace_now()
364 	return !global_trace.buffer_disabled;  in tracing_is_enabled()
502 	tracer_tracing_on(&global_trace);  in tracing_on()
532 	buffer = global_trace.trace_buffer.buffer;  in __trace_puts()
580 	buffer = global_trace.trace_buffer.buffer;  in __trace_bputs()
614 	struct trace_array *tr = &global_trace;  in tracing_snapshot()
691 	struct trace_array *tr = &global_trace;  in tracing_alloc_snapshot()
770 	tracer_tracing_off(&global_trace);  in tracing_off()
798 	return tracer_tracing_is_on(&global_trace);  in tracing_is_on()
1143 	struct trace_array *tr = &global_trace;  in run_tracer_selftest()
1268 	tracing_set_tracer(&global_trace, type->name);  in register_tracer()
1400 	return global_trace.stop_count;  in is_tracing_stopped()
1417 	raw_spin_lock_irqsave(&global_trace.start_lock, flags);  in tracing_start()
1418 	if (--global_trace.stop_count) {  in tracing_start()
1419 		if (global_trace.stop_count < 0) {  in tracing_start()
1422 			global_trace.stop_count = 0;  in tracing_start()
1428 	arch_spin_lock(&global_trace.max_lock);  in tracing_start()
1430 	buffer = global_trace.trace_buffer.buffer;  in tracing_start()
1435 	buffer = global_trace.max_buffer.buffer;  in tracing_start()
1440 	arch_spin_unlock(&global_trace.max_lock);  in tracing_start()
1443 	raw_spin_unlock_irqrestore(&global_trace.start_lock, flags);  in tracing_start()
1488 	raw_spin_lock_irqsave(&global_trace.start_lock, flags);  in tracing_stop()
1489 	if (global_trace.stop_count++)  in tracing_stop()
1493 	arch_spin_lock(&global_trace.max_lock);  in tracing_stop()
1495 	buffer = global_trace.trace_buffer.buffer;  in tracing_stop()
1500 	buffer = global_trace.max_buffer.buffer;  in tracing_stop()
1505 	arch_spin_unlock(&global_trace.max_lock);  in tracing_stop()
1508 	raw_spin_unlock_irqrestore(&global_trace.start_lock, flags);  in tracing_stop()
1725 	*current_rb = global_trace.trace_buffer.buffer;  in trace_current_buffer_lock_reserve()
1917 	__ftrace_trace_stack(global_trace.trace_buffer.buffer,  in trace_dump_stack()
2103 	if (global_trace.trace_buffer.buffer)  in trace_printk_init_buffers()
2135 	struct trace_array *tr = &global_trace;  in trace_vbprintk()
2274 	return trace_array_vprintk(&global_trace, ip, fmt, args);  in trace_vprintk()
4290 		ret = __tracing_resize_ring_buffer(&global_trace, trace_buf_size,  in tracing_update_buffers()
6028 		alloc_snapshot(&global_trace);  in ftrace_trace_snapshot_callback()
6215 	struct trace_array *tr = &global_trace;  in trace_options_core_write()
6720 	struct trace_array *tr = &global_trace;  in tracing_init_dentry()
6837 	init_tracer_tracefs(&global_trace, d_tracer);  in tracer_init_tracefs()
6840 			&global_trace, &tracing_thresh_fops);  in tracer_init_tracefs()
6866 	create_trace_options_dir(&global_trace);  in tracer_init_tracefs()
6869 	if (global_trace.current_trace != &nop_trace)  in tracer_init_tracefs()
6870 		update_tracer_options(&global_trace, global_trace.current_trace);  in tracer_init_tracefs()
6947 	iter->tr = &global_trace;  in trace_init_global_iter()
6950 	iter->trace_buffer = &global_trace.trace_buffer;  in trace_init_global_iter()
7082 	if (!alloc_cpumask_var(&global_trace.tracing_cpumask, GFP_KERNEL))  in tracer_alloc_buffers()
7097 	cpumask_copy(global_trace.tracing_cpumask, cpu_all_mask);  in tracer_alloc_buffers()
7099 	raw_spin_lock_init(&global_trace.start_lock);  in tracer_alloc_buffers()
7110 	if (allocate_trace_buffers(&global_trace, ring_buf_size) < 0) {  in tracer_alloc_buffers()
7116 	if (global_trace.buffer_disabled)  in tracer_alloc_buffers()
7120 		ret = tracing_set_clock(&global_trace, trace_boot_clock);  in tracer_alloc_buffers()
7131 	global_trace.current_trace = &nop_trace;  in tracer_alloc_buffers()
7133 	global_trace.max_lock = (arch_spinlock_t)__ARCH_SPIN_LOCK_UNLOCKED;  in tracer_alloc_buffers()
7135 	ftrace_init_global_array_ops(&global_trace);  in tracer_alloc_buffers()
7147 	global_trace.flags = TRACE_ARRAY_FL_GLOBAL;  in tracer_alloc_buffers()
7149 	INIT_LIST_HEAD(&global_trace.systems);  in tracer_alloc_buffers()
7150 	INIT_LIST_HEAD(&global_trace.events);  in tracer_alloc_buffers()
7151 	list_add(&global_trace.list, &ftrace_trace_arrays);  in tracer_alloc_buffers()
7157 		trace_set_options(&global_trace, option);  in tracer_alloc_buffers()
7169 	free_cpumask_var(global_trace.tracing_cpumask);  in tracer_alloc_buffers()