rb_per_cpu_empty 3987 kernel/trace/ring_buffer.c 	if (rb_per_cpu_empty(cpu_buffer))
rb_per_cpu_empty 4464 kernel/trace/ring_buffer.c 		ret = rb_per_cpu_empty(cpu_buffer);
rb_per_cpu_empty 4494 kernel/trace/ring_buffer.c 	ret = rb_per_cpu_empty(cpu_buffer);