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|
-----------------------------------------------------------------------------
-- |
-- Module : Plugins.Monitors.Swap.FreeBSD
-- Copyright : (c) Andrea Rossato
-- License : BSD-style (see LICENSE)
--
-- Maintainer : Jose A. Ortega Ruiz <jao@gnu.org>
-- Stability : unstable
-- Portability : unportable
--
-- A swap usage monitor for Xmobar
--
-----------------------------------------------------------------------------
module Xmobar.Plugins.Monitors.Swap.FreeBSD (parseMEM) where
import System.BSD.Sysctl (sysctlReadUInt, sysctlReadULong)
isEnabled :: IO Bool
isEnabled = do
enabled <- sysctlReadUInt "vm.swap_enabled"
return $ enabled == 1
parseMEM' :: Bool -> IO [Float]
parseMEM' False = return []
parseMEM' True = do
swapIn <- sysctlReadUInt "vm.stats.vm.v_swapin"
swapTotal <- sysctlReadULong "vm.swap_total"
let tot = toInteger swapTotal
free = tot - toInteger swapIn
return $ res (fromInteger tot) (fromInteger free)
where
res :: Float -> Float -> [Float]
res _ 0 = []
res tot free = [(tot - free) / tot, tot, tot - free, free]
parseMEM :: IO [Float]
parseMEM = do
enabled <- isEnabled
parseMEM' enabled
|
