mirror of https://github.com/lcpz/lain.git
64 lines
2.0 KiB
Lua
64 lines
2.0 KiB
Lua
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--[[
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Licensed under GNU General Public License v2
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* (c) 2013, Luke Bonham
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* (c) 2010-2012, Peter Hofmann
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* (c) 2010, Adrian C. <anrxc@sysphere.org>
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* (c) 2009, Lucas de Vries <lucas@glacicle.com>
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--]]
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local newtimer = require("lain.helpers").newtimer
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local wibox = require("wibox")
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local io = { lines = io.lines }
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local math = { floor = math.floor }
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local string = { format = string.format,
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gmatch = string.gmatch,
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len = string.len }
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local setmetatable = setmetatable
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-- Memory usage (ignoring caches)
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-- lain.widgets.mem
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local mem = {}
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local function worker(args)
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local args = args or {}
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local timeout = args.timeout or 3
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local settings = args.settings or function() end
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mem.widget = wibox.widget.textbox('')
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function mem.update()
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mem = {}
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for line in io.lines("/proc/meminfo")
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do
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for k, v in string.gmatch(line, "([%a]+):[%s]+([%d]+).+")
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do
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if k == "MemTotal" then mem.total = math.floor(v / 1024)
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elseif k == "MemFree" then mem.free = math.floor(v / 1024)
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elseif k == "Buffers" then mem.buf = math.floor(v / 1024)
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elseif k == "Cached" then mem.cache = math.floor(v / 1024)
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elseif k == "SwapTotal" then mem.swap = math.floor(v / 1024)
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elseif k == "SwapFree" then mem.swapf = math.floor(v / 1024)
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end
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end
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end
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used = mem.total - (mem.free + mem.buf + mem.cache)
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swapused = mem.swap - mem.swapf
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widget = mem.widget
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settings()
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end
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newtimer("mem", timeout, mem.update)
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return mem.widget
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end
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return setmetatable(mem, { __call = function(_, ...) return worker(...) end })
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