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# CPU widget
[](https://github.com/streetturtle/awesome-wm-widgets/labels/cpu)
This widget shows the average CPU load among all cores of the machine:
## How it works
To measure the load I took Paul Colby's bash [script](http://colby.id.au/calculating-cpu-usage-from-proc-stat/) and rewrote it in Lua, which was quite simple.
So awesome simply reads the first line of /proc/stat:
```bash
$ cat /proc/stat | grep '^cpu '
cpu 197294 718 50102 2002182 3844 0 2724 0 0 0
```
and calculates the percentage.
## Customization
It is possible to customize widget by providing a table with all or some of the following config parameters:
| Name | Default | Description |
|---|---|---|
| `width` | 50 | Width of the widget |
| `step_width` | 2 | Width of the step |
| `step_spacing` | 1 | Space size between steps |
| `color` | `beautiful.fg_normal` | Color of the graph |
| `enable_kill_button` | false | Show button which kills the process |
| `process_info_max_length` | -1 | Truncate the process information. Some processes may have a very long list of parameters which won't fit in the screen, this options allows to truncate it to the given length. |
| `timeout` | 1 | How often in seconds the widget refreshes |
### Example
```lua
cpu_widget({
width = 70,
step_width = 2,
step_spacing = 0,
color = '#434c5e'
})
```
The config above results in the following widget:
## Installation
Clone/download repo and use widget in **rc.lua**:
```lua
local cpu_widget = require("awesome-wm-widgets.cpu-widget.cpu-widget")
...
s.mytasklist, -- Middle widget
{ -- Right widgets
layout = wibox.layout.fixed.horizontal,
...
-- default
cpu_widget(),
-- or custom
cpu_widget({
width = 70,
step_width = 2,
step_spacing = 0,
color = '#434c5e'
})
...
```
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