use builtin say

[vrac.git] / vmstat.pl

diff --git a/vmstat.pl b/vmstat.pl
index 6b92c25ea876b2fecfa773333d64f6e874dac1c2..9a4c21e9965496705adafacfe58a04db7bd58094 100755 (executable)
--- a/vmstat.pl
+++ b/vmstat.pl
@@ -3,40 +3,61 @@
 # requires textproc/p5-XML-LibXML
 #
 use warnings;
+use strict;
 
+use feature 'say';
 use XML::LibXML;
 
+my ($offset) = @ARGV;
+
+if (not defined $offset) {
+       $offset = 10;
+}
+
 my $filename = 'vmstat.xml';
 
 
 my %dict;
-my $offset = 10;
+
+
 
 while (1) {
-       print scalar localtime() . "\n";
+       say scalar localtime();
+       say "------------------------";
        system("/usr/bin/vmstat -z --libxo xml >$filename"); 
-       $doc = XML::LibXML->load_xml(location => $filename); 
-       foreach my $id ( $doc->findnodes('//zone')) {
+       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}) {
                        my $v0=$dict{$name} + $offset;
 
-                       if ($v0 < int($used)) {
-                               print "$name: $v0 => $used \n";
-                               $dict{$name}=int(${used});
+                       if ($v0 <= $val) {
+format DIFF_V0V1 =
+       @<<<<<<<<<<<<<<<<<<<<<< @######## => @########
+       $name,$dict{$name},$val
+.
+                               $~ = "DIFF_V0V1";
+                               write;
+                               $dict{$name} = $val;
                        }
                } else {
-                       $dict{$name}=int(${used});
+                       $dict{$name} = $val;
                }
        }
-       print "------------------------\n" ;
+
+       say '';
 
        sleep(5);
 }
 
+