From 60ddcb909f7a599ad52c07ea6e74dde8fcf609fa Mon Sep 17 00:00:00 2001
From: Alexander Sulfrian <alexander@sulfrian.net>
Date: Thu, 24 Jan 2013 00:04:38 +0100
Subject: check_mem: better output

The output has now descriptions and the values are in MB. The
perfdata stay in bytes.
---
 check_mem | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/check_mem b/check_mem
index 8d83bc3..d3c0722 100755
--- a/check_mem
+++ b/check_mem
@@ -118,7 +118,14 @@ unless ($context) {
 my @mem = get_mem($n, $context);
 if (@mem) {
     my %values;
+    my %desc;
     ($values{'VM'}, $values{'RSS'}, $values{'ANON'}, $values{'VML'}) = @mem;
+    %desc = (
+        VM => 'virtual memory',
+        RSS => 'resident set size',
+        ANON => 'anonymous memory',
+        VML => 'locked memory',
+    );
 
     my @status = [ UNKNOWN ];
     my $output = "";
@@ -138,10 +145,11 @@ if (@mem) {
              )
         );
 
-        $output .= " $values{$mem}";
+        $values{$mem} = int(($values{$mem} / 1024) / 1024);
+        $output .= " - $desc{$mem}: $values{$mem}MB";
     }
 
-    $n->nagios_exit($n->max_state(@status), "memory statistics:$output");
+    $n->nagios_exit($n->max_state(@status), "used memory$output");
 }
 
 $n->nagios_exit(UNKNOWN, 'unable to parse memory statistics');
-- 
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