From 18b16c4ab80245ede5b7b2a9135491116e42ed25 Mon Sep 17 00:00:00 2001
From: garnier-quentin <qgarnier@centreon.com>
Date: Mon, 29 Jun 2015 17:07:47 +0200
Subject: [PATCH] + fix illegal division for linux cpu local mode (Fix #88)

---
 os/linux/local/mode/cpu.pm | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/os/linux/local/mode/cpu.pm b/os/linux/local/mode/cpu.pm
index c49ad1b60..ac0051655 100644
--- a/os/linux/local/mode/cpu.pm
+++ b/os/linux/local/mode/cpu.pm
@@ -131,6 +131,12 @@ sub run {
         }
         
         my $total_elapsed = ($datas->{'cpu_idle_' . $cpu_number} + $datas->{'cpu_user_' . $cpu_number} + $datas->{'cpu_system_' . $cpu_number} + $datas->{'cpu_iowait_' . $cpu_number}) - ($old_cpu_user + $old_cpu_idle + $old_cpu_system + $old_cpu_iowait);
+        if ($total_elapsed == 0) {
+            $self->{output}->output_add(severity => 'OK',
+                                        short_msg => "No new values for cpu counters");
+            $self->{output}->display();
+            $self->{output}->exit();
+        }
         my $idle_elapsed = $datas->{'cpu_idle_' . $cpu_number} - $old_cpu_idle;
         my $cpu_ratio_usetime = 100 * $idle_elapsed / $total_elapsed;
         $cpu_ratio_usetime = 100 - $cpu_ratio_usetime;