sub read_statline()

in trace/postprocess/trace-pagealloc-postprocess.pl [136:150]

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

sub read_statline($) {
	my $pid = $_[0];
	my $statline;

	if (open(STAT, "/proc/$pid/stat")) {
		$statline = <STAT>;
		close(STAT);
	}

	if ($statline eq '') {
		$statline = "-1 (UNKNOWN_PROCESS_NAME) R 0";
	}

	return $statline;
}