sub parent_info()

in trace/postprocess/trace-pagealloc-postprocess.pl [166:182]

• 13 lines of code
• 3 McCabe index (conditional complexity)

sub parent_info($$) {
	my $pid = $_[0];
	my $statline = $_[1];
	my $ppid;

	if ($pid == 0) {
		return "NOPARENT-0";
	}

	if ($statline !~ /$regex_statppid/o) {
		die("Failed to match stat line process ppid:: $statline");
	}

	# Read the ppid stat line
	$ppid = $1;
	return guess_process_pid($ppid, read_statline($ppid));
}