From dde2d0bee304dda389110e4c7155ef71b7a889d7 Mon Sep 17 00:00:00 2001
From: David Marec <DavidMarec@users.noreply.github.com>
Date: Mon, 8 May 2023 10:02:18 +0200
Subject: [PATCH] fix duplicate name

---
 vmstat.pl  |  6 ++++--
 vmstatm.pl | 18 ++++++++++++++----
 2 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/vmstat.pl b/vmstat.pl
index 79c395a..2898f91 100755
--- a/vmstat.pl
+++ b/vmstat.pl
@@ -22,16 +22,18 @@ my %dict;
 
 while (1) {
 	print scalar localtime() . "\n";
-	print "------------------------\n" ;
+	print "------------------------\n";
 	system("/usr/bin/vmstat -z --libxo xml >$filename"); 
 	my $doc = XML::LibXML->load_xml(location => $filename); 
+	my $c = 0;
 	foreach my $id ($doc->findnodes('//zone')) {
 		my $name=$id->findvalue('name');
 		my $used=$id->findvalue('used');
 		my $val = int($used);
 
 		if ($name eq "vm pgcache") {
-			next;
+			$name = $name . "_$c";
+			$c++;
 		}
 		
 		if (exists $dict{$name}) {
diff --git a/vmstatm.pl b/vmstatm.pl
index 005b4a9..edeabdf 100755
--- a/vmstatm.pl
+++ b/vmstatm.pl
@@ -3,18 +3,23 @@
 # requires textproc/p5-XML-LibXML
 #
 use warnings;
+use strict;
 
 use XML::LibXML;
 
 my $filename = 'vmstatm.xml';
-
 my %dict;
-my $offset = 10;
+
+my ($offset) = @ARGV;
+
+if (not defined $offset) {
+	$offset = 10;
+}
 
 while (1) {
 	print scalar localtime() . "\n";
 	system("/usr/bin/vmstat -m --libxo xml >$filename"); 
-	$doc = XML::LibXML->load_xml(location => $filename); 
+	my $doc = XML::LibXML->load_xml(location => $filename); 
 	foreach my $id ( $doc->findnodes('//memory')) {
 		my $name=$id->findvalue('type');
 		my $used=$id->findvalue('memory-use');
@@ -22,7 +27,12 @@ while (1) {
 			my $v0=$dict{$name} + $offset;
 
 			if ($v0 < $used) {
-				print "$name: $v0 => $used \n";
+format DIFF_V0V1 =
+	@<<<<<<<<<<<<<<<<<<<<<< @######## => @########
+	$name,$v0,$used
+.
+				$~ = "DIFF_V0V1";
+				write;
 				$dict{$name}=$used;
 			}
 		} else {
-- 
2.47.0