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[etc/awesome.git] / widget / sysload.lua
1
2 --[[
3                                                   
4      Licensed under GNU General Public License v2 
5       * (c) 2013,      Luke Bonham                
6       * (c) 2010-2012, Peter Hofmann              
7                                                   
8 --]]
9
10 local helpers     = require("lain.helpers")
11 local wibox       = require("wibox")
12 local open, match = io.open, string.match
13
14 -- System load
15 -- lain.widget.sysload
16
17 local function factory(args)
18     local sysload  = { widget = wibox.widget.textbox() }
19     local args     = args or {}
20     local timeout  = args.timeout or 2
21     local settings = args.settings or function() end
22
23     function sysload.update()
24         local f = open("/proc/loadavg")
25         local ret = f:read("*all")
26         f:close()
27
28         load_1, load_5, load_15 = match(ret, "([^%s]+) ([^%s]+) ([^%s]+)")
29
30         widget = sysload.widget
31         settings()
32     end
33
34     helpers.newtimer("sysload", timeout, sysload.update)
35
36     return sysload
37 end
38
39 return factory