274 static struct trace_array global_trace = {  variable
355 	return buffer_ftrace_now(&global_trace.trace_buffer, cpu);  in ftrace_now()
375 	return !global_trace.buffer_disabled;  in tracing_is_enabled()
531 	tracer_tracing_on(&global_trace);  in tracing_on()
550 	if (!(global_trace.trace_flags & TRACE_ITER_PRINTK))  in __trace_puts()
561 	buffer = global_trace.trace_buffer.buffer;  in __trace_puts()
580 	ftrace_trace_stack(&global_trace, buffer, irq_flags, 4, pc, NULL);  in __trace_puts()
600 	if (!(global_trace.trace_flags & TRACE_ITER_PRINTK))  in __trace_bputs()
609 	buffer = global_trace.trace_buffer.buffer;  in __trace_bputs()
620 	ftrace_trace_stack(&global_trace, buffer, irq_flags, 4, pc, NULL);  in __trace_bputs()
643 	struct trace_array *tr = &global_trace;  in tracing_snapshot()
720 	struct trace_array *tr = &global_trace;  in tracing_alloc_snapshot()
799 	tracer_tracing_off(&global_trace);  in tracing_off()
827 	return tracer_tracing_is_on(&global_trace);  in tracing_is_on()
1157 	struct trace_array *tr = &global_trace;  in run_tracer_selftest()
1273 	add_tracer_options(&global_trace, type);  in register_tracer()
1287 	tracing_set_tracer(&global_trace, type->name);  in register_tracer()
1422 	return global_trace.stop_count;  in is_tracing_stopped()
1439 	raw_spin_lock_irqsave(&global_trace.start_lock, flags);  in tracing_start()
1440 	if (--global_trace.stop_count) {  in tracing_start()
1441 		if (global_trace.stop_count < 0) {  in tracing_start()
1444 			global_trace.stop_count = 0;  in tracing_start()
1450 	arch_spin_lock(&global_trace.max_lock);  in tracing_start()
1452 	buffer = global_trace.trace_buffer.buffer;  in tracing_start()
1457 	buffer = global_trace.max_buffer.buffer;  in tracing_start()
1462 	arch_spin_unlock(&global_trace.max_lock);  in tracing_start()
1465 	raw_spin_unlock_irqrestore(&global_trace.start_lock, flags);  in tracing_start()
1510 	raw_spin_lock_irqsave(&global_trace.start_lock, flags);  in tracing_stop()
1511 	if (global_trace.stop_count++)  in tracing_stop()
1515 	arch_spin_lock(&global_trace.max_lock);  in tracing_stop()
1517 	buffer = global_trace.trace_buffer.buffer;  in tracing_stop()
1522 	buffer = global_trace.max_buffer.buffer;  in tracing_stop()
1527 	arch_spin_unlock(&global_trace.max_lock);  in tracing_stop()
1530 	raw_spin_unlock_irqrestore(&global_trace.start_lock, flags);  in tracing_stop()
1740 	*current_rb = global_trace.trace_buffer.buffer;  in trace_current_buffer_lock_reserve()
1914 	__ftrace_trace_stack(global_trace.trace_buffer.buffer,  in trace_dump_stack()
1928 	if (!(global_trace.trace_flags & TRACE_ITER_USERSTACKTRACE))  in ftrace_trace_userstack()
2100 	if (global_trace.trace_buffer.buffer)  in trace_printk_init_buffers()
2132 	struct trace_array *tr = &global_trace;  in trace_vbprintk()
2224 		ftrace_trace_stack(&global_trace, buffer, flags, 6, pc, NULL);  in __trace_array_vprintk()
2245 	if (!(global_trace.trace_flags & TRACE_ITER_PRINTK))  in trace_array_printk()
2260 	if (!(global_trace.trace_flags & TRACE_ITER_PRINTK))  in trace_array_printk_buf()
2271 	return trace_array_vprintk(&global_trace, ip, fmt, args);  in trace_vprintk()
2601 	unsigned long sym_flags = (global_trace.trace_flags & TRACE_ITER_SYM_MASK);  in print_trace_header()
3635 			trace_set_options(&global_trace, option);  in apply_trace_boot_options()
4328 		ret = __tracing_resize_ring_buffer(&global_trace, trace_buf_size,  in tracing_update_buffers()
6063 		alloc_snapshot(&global_trace);  in ftrace_trace_snapshot_callback()
6453 	bool top_level = tr == &global_trace;  in create_trace_options_dir()
6650 	tr->trace_flags = global_trace.trace_flags;  in instance_mkdir()
6847 	struct trace_array *tr = &global_trace;  in tracing_init_dentry()
6966 	init_tracer_tracefs(&global_trace, d_tracer);  in tracer_init_tracefs()
6969 			&global_trace, &tracing_thresh_fops);  in tracer_init_tracefs()
6995 	update_tracer_options(&global_trace);  in tracer_init_tracefs()
7072 	iter->tr = &global_trace;  in trace_init_global_iter()
7075 	iter->trace_buffer = &global_trace.trace_buffer;  in trace_init_global_iter()
7094 	struct trace_array *tr = &global_trace;  in ftrace_dump()
7214 	if (!alloc_cpumask_var(&global_trace.tracing_cpumask, GFP_KERNEL))  in tracer_alloc_buffers()
7229 	cpumask_copy(global_trace.tracing_cpumask, cpu_all_mask);  in tracer_alloc_buffers()
7231 	raw_spin_lock_init(&global_trace.start_lock);  in tracer_alloc_buffers()
7242 	if (allocate_trace_buffers(&global_trace, ring_buf_size) < 0) {  in tracer_alloc_buffers()
7248 	if (global_trace.buffer_disabled)  in tracer_alloc_buffers()
7252 		ret = tracing_set_clock(&global_trace, trace_boot_clock);  in tracer_alloc_buffers()
7263 	global_trace.current_trace = &nop_trace;  in tracer_alloc_buffers()
7265 	global_trace.max_lock = (arch_spinlock_t)__ARCH_SPIN_LOCK_UNLOCKED;  in tracer_alloc_buffers()
7267 	ftrace_init_global_array_ops(&global_trace);  in tracer_alloc_buffers()
7269 	init_trace_flags_index(&global_trace);  in tracer_alloc_buffers()
7281 	global_trace.flags = TRACE_ARRAY_FL_GLOBAL;  in tracer_alloc_buffers()
7283 	INIT_LIST_HEAD(&global_trace.systems);  in tracer_alloc_buffers()
7284 	INIT_LIST_HEAD(&global_trace.events);  in tracer_alloc_buffers()
7285 	list_add(&global_trace.list, &ftrace_trace_arrays);  in tracer_alloc_buffers()
7298 	free_cpumask_var(global_trace.tracing_cpumask);  in tracer_alloc_buffers()