--[[ Licensed under GNU General Public License v2 * (c) 2013, Luke Bonham * (c) 2010-2012, Peter Hofmann --]] local helpers = require("lain.helpers") local wibox = require("wibox") local gmatch = string.gmatch local lines = io.lines local floor = math.floor local setmetatable = setmetatable -- Memory usage (ignoring caches) -- lain.widgets.mem local mem = {} local function worker(args) local args = args or {} local timeout = args.timeout or 2 local settings = args.settings or function() end mem.widget = wibox.widget.textbox() function update() mem_now = {} for line in lines("/proc/meminfo") do for k, v in gmatch(line, "([%a]+):[%s]+([%d]+).+") do if k == "MemTotal" then mem_now.total = floor(v / 1024 + 0.5) elseif k == "MemFree" then mem_now.free = floor(v / 1024 + 0.5) elseif k == "Buffers" then mem_now.buf = floor(v / 1024 + 0.5) elseif k == "Cached" then mem_now.cache = floor(v / 1024 + 0.5) elseif k == "SwapTotal" then mem_now.swap = floor(v / 1024 + 0.5) elseif k == "SwapFree" then mem_now.swapf = floor(v / 1024 + 0.5) elseif k == "SReclaimable" then mem_now.srec = floor(v / 1024 + 0.5) end end end mem_now.used = mem_now.total - mem_now.free - mem_now.buf - mem_now.cache - mem_now.srec mem_now.swapused = mem_now.swap - mem_now.swapf mem_now.perc = math.floor(mem_now.used / mem_now.total * 100) widget = mem.widget settings() end helpers.newtimer("mem", timeout, update) return mem end return setmetatable(mem, { __call = function(_, ...) return worker(...) end })