local helpers = require("lain.helpers")
local wibox = require("wibox")
-
-local io = { lines = io.lines }
-local math = { floor = math.floor }
-local string = { gmatch = string.gmatch }
-
+local gmatch = string.gmatch
+local lines = io.lines
+local floor = math.floor
local setmetatable = setmetatable
--- Memory usage
+-- Memory usage (ignoring caches)
-- lain.widgets.mem
-local mem = {}
+local mem = helpers.make_widget_textbox()
local function worker(args)
local args = args or {}
- local timeout = args.timeout or 1
+ local timeout = args.timeout or 2
local settings = args.settings or function() end
- mem.widget = wibox.widget.textbox('')
-
- helpers.set_map("mem_last_total", 0)
- helpers.set_map("mem_last_free", 0)
- helpers.set_map("mem_last_buf", 0)
- helpers.set_map("mem_last_cache", 0)
- helpers.set_map("mem_last_swap", 0)
- helpers.set_map("mem_last_swapf", 0)
-
function update()
mem_now = {}
- for line in io.lines("/proc/meminfo")
- do
- for k, v in string.gmatch(line, "([%a]+):[%s]+([%d]+).+")
- do
- if k == "MemTotal" then mem_now.total = math.floor(v / 1024)
- elseif k == "MemFree" then mem_now.free = math.floor(v / 1024)
- elseif k == "Buffers" then mem_now.buf = math.floor(v / 1024)
- elseif k == "Cached" then mem_now.cache = math.floor(v / 1024)
- elseif k == "SwapTotal" then mem_now.swap = math.floor(v / 1024)
- elseif k == "SwapFree" then mem_now.swapf = math.floor(v / 1024)
+ 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
- if mem_now.total ~= helpers.set_map("mem_last_total")
- or mem_now.free ~= helpers.set_map("mem_last_free")
- or mem_now.buf ~= helpers.set_map("mem_last_buf")
- or mem_now.cache ~= helpers.set_map("mem_last_cache")
- or mem_now.swap ~= helpers.set_map("mem_last_swap")
- or mem_now.swapf ~= helpers.set_map("mem_last_swapf")
- then
- mem_now.used = mem_now.total - (mem_now.free + mem_now.buf + mem_now.cache)
- mem_now.swapused = mem_now.swap - mem_now.swapf
-
- widget = mem.widget
- settings()
+ 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)
- helpers.set_map("mem_last_total", mem_now.total)
- helpers.set_map("mem_last_free", mem_now.free)
- helpers.set_map("mem_last_buf", mem_now.buf)
- helpers.set_map("mem_last_cache", mem_now.cache)
- helpers.set_map("mem_last_swap", mem_now.swap)
- helpers.set_map("mem_last_swapf", mem_now.swapf)
- end
+ widget = mem.widget
+ settings()
end
helpers.newtimer("mem", timeout, update)
- return mem.widget
+ return mem
end
return setmetatable(mem, { __call = function(_, ...) return worker(...) end })