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-----------------------------------------------------------------------------
-- |
-- Module : Plugins.Monitors.Mem.Linux
-- Copyright : (c) Andrea Rossato
-- License : BSD-style (see LICENSE)
--
-- Maintainer : Jose A. Ortega Ruiz <jao@gnu.org>
-- Stability : unstable
-- Portability : unportable
--
-- A memory monitor for Xmobar
--
-----------------------------------------------------------------------------
module Xmobar.Plugins.Monitors.Mem.Linux (parseMEM) where
import qualified Data.Map as M
fileMEM :: IO String
fileMEM = readFile "/proc/meminfo"
parseMEM :: IO [Float]
parseMEM =
do file <- fileMEM
let content = map words $ take 8 $ lines file
info = M.fromList $ map (\line -> (head line, (read $ line !! 1 :: Float) / 1024)) content
[total, free, buffer, cache] = map (info M.!) ["MemTotal:", "MemFree:", "Buffers:", "Cached:"]
available = M.findWithDefault (free + buffer + cache) "MemAvailable:" info
used = total - available
usedratio = used / total
freeratio = free / total
availableratio = available / total
return [usedratio, freeratio, availableratio, total, free, buffer, cache, available, used]
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