ftrace_graph_ignore_func  159 kernel/trace/trace_functions_graph.c 	if (ftrace_graph_ignore_func(trace))
ftrace_graph_ignore_func  183 kernel/trace/trace_irqsoff.c 	if (ftrace_graph_ignore_func(trace))
ftrace_graph_ignore_func  122 kernel/trace/trace_sched_wakeup.c 	if (ftrace_graph_ignore_func(trace))