mirror of https://github.com/lcpz/lain.git
57 lines
2.0 KiB
Lua
57 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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--]]
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local newtimer = require("lain.helpers").newtimer
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local wibox = require("wibox")
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local gmatch = string.gmatch
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local lines = io.lines
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local math = { ceil = math.ceil, floor = math.floor }
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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 2
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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 update()
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mem_now = {}
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for line in lines("/proc/meminfo") do
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for k, v in gmatch(line, "([%a]+):[%s]+([%d]+).+") do
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if k == "MemTotal" then mem_now.total = math.ceil(v / 1024)
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elseif k == "MemFree" then mem_now.free = math.ceil(v / 1024)
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elseif k == "Buffers" then mem_now.buf = math.ceil(v / 1024)
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elseif k == "Cached" then mem_now.cache = math.ceil(v / 1024)
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elseif k == "SwapTotal" then mem_now.swap = math.ceil(v / 1024)
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elseif k == "SwapFree" then mem_now.swapf = math.ceil(v / 1024)
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elseif k == "SReclaimable" then mem_now.srec = math.ceil(v / 1024)
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end
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end
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end
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mem_now.used = mem_now.total - mem_now.free - mem_now.buf - mem_now.cache - mem_now.srec
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mem_now.swapused = mem_now.swap - mem_now.swapf
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mem_now.perc = math.floor(mem_now.used / mem_now.total * 100)
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widget = mem.widget
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settings()
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end
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newtimer("mem", timeout, 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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