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|
-----------------------------------------------------------------------------
-- |
-- Module : Plugins.Monitors.Mem
-- Copyright : (c) Andrea Rossato
-- License : BSD-style (see LICENSE)
--
-- Maintainer : Andrea Rossato <andrea.rossato@unibz.it>
-- Stability : unstable
-- Portability : unportable
--
-- A memory monitor for Xmobar
--
-----------------------------------------------------------------------------
module Plugins.Monitors.Mem where
import Plugins.Monitors.Common
memConfig :: IO MConfig
memConfig = mkMConfig
"Mem: <usedratio>% (<cache>M)" -- template
["total", "free", "buffer", -- available replacements
"cache", "rest", "used", "usedratio"]
fileMEM :: IO String
fileMEM = readFile "/proc/meminfo"
parseMEM :: IO [Float]
parseMEM =
do file <- fileMEM
let content = map words $ take 4 $ lines file
[total, free, buffer, cache] = map (\line -> (read $ line !! 1 :: Float) / 1024) content
rest = free + buffer + cache
used = total - rest
usedratio = used * 100 / total
return [total, free, buffer, cache, rest, used, usedratio]
formatMem :: [Float] -> Monitor [String]
formatMem x =
do let f n = showDigits 0 n
mapM (showWithColors f) x
runMem :: [String] -> Monitor String
runMem _ =
do m <- io $ parseMEM
l <- formatMem m
parseTemplate l
|
