--[[
-
- Licensed under GNU General Public License v2
- * (c) 2013, Luke Bonham
- * (c) 2010-2012, Peter Hofmann
- * (c) 2010, Adrian C. <anrxc@sysphere.org>
- * (c) 2009, Lucas de Vries <lucas@glacicle.com>
-
+
+ Licensed under GNU General Public License v2
+ * (c) 2013, Luke Bonham
+ * (c) 2010-2012, Peter Hofmann
+
--]]
-local newtimer = require("lain.helpers").newtimer
-
-local wibox = require("wibox")
-
-local io = { lines = io.lines }
-local math = { floor = math.floor }
-local string = { format = string.format,
- gmatch = string.gmatch,
- len = string.len }
-
-local setmetatable = setmetatable
+local newtimer = require("lain.helpers").newtimer
+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 = {}
-function worker(args)
+local function worker(args)
local args = args or {}
- local timeout = args.timeout or 3
+ local timeout = args.timeout or 2
local settings = args.settings or function() end
- widget = wibox.widget.textbox('')
+ mem.widget = wibox.widget.textbox()
function update()
- mem = {}
- for line in io.lines("/proc/meminfo")
- do
- for k, v in string.gmatch(line, "([%a]+):[%s]+([%d]+).+")
- do
- if k == "MemTotal" then mem.total = math.floor(v / 1024)
- elseif k == "MemFree" then mem.free = math.floor(v / 1024)
- elseif k == "Buffers" then mem.buf = math.floor(v / 1024)
- elseif k == "Cached" then mem.cache = math.floor(v / 1024)
- elseif k == "SwapTotal" then mem.swap = math.floor(v / 1024)
- elseif k == "SwapFree" then mem.swapf = math.floor(v / 1024)
+ 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
- used = mem.total - (mem.free + mem.buf + mem.cache)
- swapused = mem.swap - mem.swapf
+ 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
newtimer("mem", timeout, update)
- return widget
+ return setmetatable(mem, { __index = mem.widget })
end
return setmetatable(mem, { __call = function(_, ...) return worker(...) end })