From 5facbc5e2b02c0b46b5a090bb76d382d009bb404 Mon Sep 17 00:00:00 2001
From: pmakhov <pavel.makhov@savoirfairelinux.com>
Date: Wed, 27 Sep 2017 19:45:25 -0400
Subject: cpu widget

---
 cpu-widget/cpu-widget.lua | 42 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 cpu-widget/cpu-widget.lua

(limited to 'cpu-widget/cpu-widget.lua')

diff --git a/cpu-widget/cpu-widget.lua b/cpu-widget/cpu-widget.lua
new file mode 100644
index 0000000..e9d1264
--- /dev/null
+++ b/cpu-widget/cpu-widget.lua
@@ -0,0 +1,42 @@
+local watch = require("awful.widget.watch")
+local wibox = require("wibox")
+
+cpugraph_widget = wibox.widget {
+    max_value = 100,
+    color = '#74aeab',
+    background_color = "#1e252c",
+    forced_width = 50,
+    step_width = 2,
+    step_spacing = 1,
+    widget = wibox.widget.graph
+}
+
+cpu_widget = wibox.container.mirror(cpugraph_widget, { horizontal = true })
+
+local total_prev = 0
+local idle_prev = 0
+
+watch("cat /proc/stat | grep '^cpu '", 1,
+    function(widget, stdout, stderr, exitreason, exitcode)
+        local user, nice, system, idle, iowait, irq, softirq, steal, guest, guest_nice =
+        stdout:match('(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s(%d+)%s')
+
+        local total = user + nice + system + idle + iowait + irq + softirq + steal
+
+        local diff_idle = idle - idle_prev
+        local diff_total = total - total_prev
+        local diff_usage = (1000 * (diff_total - diff_idle) / diff_total + 5) / 10
+
+        if diff_usage > 80 then
+            widget:set_color('#ff4136')
+        else
+            widget:set_color('#74aeab')
+        end
+
+        widget:add_value(diff_usage)
+
+        total_prev = total
+        idle_prev = idle
+    end,
+    cpugraph_widget
+)
-- 
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