268 static struct trace_array global_trace = {  variable
584 	return buffer_ftrace_now(&global_trace.trace_buffer, cpu);  in ftrace_now()
604 	return !global_trace.buffer_disabled;  in tracing_is_enabled()
785 	tracer_tracing_on(&global_trace);  in tracing_on()
820 	if (!(global_trace.trace_flags & TRACE_ITER_PRINTK))  in __trace_puts()
831 	buffer = global_trace.trace_buffer.buffer;  in __trace_puts()
850 	ftrace_trace_stack(&global_trace, buffer, irq_flags, 4, pc, NULL);  in __trace_puts()
870 	if (!(global_trace.trace_flags & TRACE_ITER_PRINTK))  in __trace_bputs()
879 	buffer = global_trace.trace_buffer.buffer;  in __trace_bputs()
890 	ftrace_trace_stack(&global_trace, buffer, irq_flags, 4, pc, NULL);  in __trace_bputs()
943 	struct trace_array *tr = &global_trace;  in tracing_snapshot()
996 	struct trace_array *tr = &global_trace;  in tracing_alloc_snapshot()
1075 	tracer_tracing_off(&global_trace);  in tracing_off()
1103 	return tracer_tracing_is_on(&global_trace);  in tracing_is_on()
1469 	struct trace_array *tr = &global_trace;  in run_tracer_selftest()
1644 	add_tracer_options(&global_trace, type);  in register_tracer()
1658 	tracing_set_tracer(&global_trace, type->name);  in register_tracer()
1799 	return global_trace.stop_count;  in is_tracing_stopped()
1816 	raw_spin_lock_irqsave(&global_trace.start_lock, flags);  in tracing_start()
1817 	if (--global_trace.stop_count) {  in tracing_start()
1818 		if (global_trace.stop_count < 0) {  in tracing_start()
1821 			global_trace.stop_count = 0;  in tracing_start()
1827 	arch_spin_lock(&global_trace.max_lock);  in tracing_start()
1829 	buffer = global_trace.trace_buffer.buffer;  in tracing_start()
1834 	buffer = global_trace.max_buffer.buffer;  in tracing_start()
1839 	arch_spin_unlock(&global_trace.max_lock);  in tracing_start()
1842 	raw_spin_unlock_irqrestore(&global_trace.start_lock, flags);  in tracing_start()
1887 	raw_spin_lock_irqsave(&global_trace.start_lock, flags);  in tracing_stop()
1888 	if (global_trace.stop_count++)  in tracing_stop()
1892 	arch_spin_lock(&global_trace.max_lock);  in tracing_stop()
1894 	buffer = global_trace.trace_buffer.buffer;  in tracing_stop()
1899 	buffer = global_trace.max_buffer.buffer;  in tracing_stop()
1904 	arch_spin_unlock(&global_trace.max_lock);  in tracing_stop()
1907 	raw_spin_unlock_irqrestore(&global_trace.start_lock, flags);  in tracing_stop()
2727 	__ftrace_trace_stack(global_trace.trace_buffer.buffer,  in trace_dump_stack()
2741 	if (!(global_trace.trace_flags & TRACE_ITER_USERSTACKTRACE))  in ftrace_trace_userstack()
2877 	if (global_trace.trace_buffer.buffer)  in trace_printk_init_buffers()
2909 	struct trace_array *tr = &global_trace;  in trace_vbprintk()
3005 		ftrace_trace_stack(&global_trace, buffer, flags, 6, pc, NULL);  in __trace_array_vprintk()
3032 	if (!(global_trace.trace_flags & TRACE_ITER_PRINTK))  in trace_array_printk()
3048 	if (!(global_trace.trace_flags & TRACE_ITER_PRINTK))  in trace_array_printk_buf()
3060 	return trace_array_vprintk(&global_trace, ip, fmt, args);  in trace_vprintk()
3405 	unsigned long sym_flags = (global_trace.trace_flags & TRACE_ITER_SYM_MASK);  in print_trace_header()
4451 			trace_set_options(&global_trace, option);  in apply_trace_boot_options()
5302 		ret = __tracing_resize_ring_buffer(&global_trace, trace_buf_size,  in tracing_update_buffers()
7589 	bool top_level = tr == &global_trace;  in create_trace_options_dir()
7792 	tr->trace_flags = global_trace.trace_flags & ~ZEROED_TRACE_FLAGS;  in instance_mkdir()
8019 	struct trace_array *tr = &global_trace;  in tracing_init_dentry()
8140 	init_tracer_tracefs(&global_trace, d_tracer);  in tracer_init_tracefs()
8141 	ftrace_init_tracefs_toplevel(&global_trace, d_tracer);  in tracer_init_tracefs()
8144 			&global_trace, &tracing_thresh_fops);  in tracer_init_tracefs()
8173 	update_tracer_options(&global_trace);  in tracer_init_tracefs()
8250 	iter->tr = &global_trace;  in trace_init_global_iter()
8253 	iter->trace_buffer = &global_trace.trace_buffer;  in trace_init_global_iter()
8272 	struct trace_array *tr = &global_trace;  in ftrace_dump()
8480 	if (!alloc_cpumask_var(&global_trace.tracing_cpumask, GFP_KERNEL))  in tracer_alloc_buffers()
8495 	cpumask_copy(global_trace.tracing_cpumask, cpu_all_mask);  in tracer_alloc_buffers()
8497 	raw_spin_lock_init(&global_trace.start_lock);  in tracer_alloc_buffers()
8520 	if (allocate_trace_buffers(&global_trace, ring_buf_size) < 0) {  in tracer_alloc_buffers()
8526 	if (global_trace.buffer_disabled)  in tracer_alloc_buffers()
8530 		ret = tracing_set_clock(&global_trace, trace_boot_clock);  in tracer_alloc_buffers()
8541 	global_trace.current_trace = &nop_trace;  in tracer_alloc_buffers()
8543 	global_trace.max_lock = (arch_spinlock_t)__ARCH_SPIN_LOCK_UNLOCKED;  in tracer_alloc_buffers()
8545 	ftrace_init_global_array_ops(&global_trace);  in tracer_alloc_buffers()
8547 	init_trace_flags_index(&global_trace);  in tracer_alloc_buffers()
8562 	global_trace.flags = TRACE_ARRAY_FL_GLOBAL;  in tracer_alloc_buffers()
8564 	INIT_LIST_HEAD(&global_trace.systems);  in tracer_alloc_buffers()
8565 	INIT_LIST_HEAD(&global_trace.events);  in tracer_alloc_buffers()
8566 	INIT_LIST_HEAD(&global_trace.hist_vars);  in tracer_alloc_buffers()
8567 	list_add(&global_trace.list, &ftrace_trace_arrays);  in tracer_alloc_buffers()
8582 	free_cpumask_var(global_trace.tracing_cpumask);  in tracer_alloc_buffers()
8639 		tracing_set_clock(&global_trace, "global");  in tracing_set_default_clock()