From eeb27a29166ba30d84a4044fd7ce1acbfa93cadc Mon Sep 17 00:00:00 2001
From: "Joerg T. (Mic92)" <jthalheim@gmail.com>
Date: Sun, 18 Sep 2011 12:59:33 +0200
Subject: [cpu] fix division by zero

In rare cases diff_total seems to become 0.
---
 widgets/cpu.lua | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'widgets')

diff --git a/widgets/cpu.lua b/widgets/cpu.lua
index 978b5f4..86a3e85 100644
--- a/widgets/cpu.lua
+++ b/widgets/cpu.lua
@@ -61,6 +61,8 @@ local function worker(format)
         -- Calculate percentage
         local diff_total  = total_new - cpu_total[i]
         local diff_active = active_new - cpu_active[i]
+
+        if diff_total == 0 then diff_total = 1E-6 end
         cpu_usage[i]      = math.floor((diff_active / diff_total) * 100)
 
         -- Store totals
-- 
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