trace/postprocess/trace-pagealloc-postprocess.pl [152:164]:
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sub guess_process_pid($$) {
	my $pid = $_[0];
	my $statline = $_[1];

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

	if ($statline !~ /$regex_statname/o) {
		die("Failed to math stat line for process name :: $statline");
	}
	return "$1-$pid";
}
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trace/postprocess/trace-vmscan-postprocess.pl [245:257]:
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sub guess_process_pid($$) {
	my $pid = $_[0];
	my $statline = $_[1];

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

	if ($statline !~ /$regex_statname/o) {
		die("Failed to math stat line for process name :: $statline");
	}
	return "$1-$pid";
}
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