mirror of https://github.com/lcpz/lain.git
57 lines
1.9 KiB
Lua
57 lines
1.9 KiB
Lua
|
|
--[[
|
|
|
|
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 mem.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, mem.update)
|
|
|
|
return mem
|
|
end
|
|
|
|
return setmetatable(mem, { __call = function(_, ...) return worker(...) end })
|