trace_pid_start  6532 kernel/trace/ftrace.c 	return trace_pid_start(pid_list, pos);
trace_pid_start   775 kernel/trace/trace.h void *trace_pid_start(struct trace_pid_list *pid_list, loff_t *pos);
trace_pid_start  1015 kernel/trace/trace_events.c 	return trace_pid_start(pid_list, pos);