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|
-----------------------------------------------------------------------------
-- |
-- Module : Plugins.Monitors.CpuFreq
-- Copyright : (c) Juraj Hercek
-- License : BSD-style (see LICENSE)
--
-- Maintainer : Juraj Hercek <juhe_haskell@hck.sk>
-- Stability : unstable
-- Portability : unportable
--
-- A cpu frequency monitor for Xmobar
--
-----------------------------------------------------------------------------
module Xmobar.Plugins.Monitors.CpuFreq where
import Xmobar.Plugins.Monitors.Common
-- |
-- Cpu frequency default configuration. Default template contains only
-- one core frequency, user should specify custom template in order to
-- get more cpu frequencies.
cpuFreqConfig :: IO MConfig
cpuFreqConfig =
mkMConfig "Freq: <cpu0>" (map ((++) "cpu" . show) [0 :: Int ..])
-- |
-- Function retrieves monitor string holding the cpu frequency (or
-- frequencies)
runCpuFreq :: [String] -> Monitor String
runCpuFreq _ = do
suffix <- getConfigValue useSuffix
ddigits <- getConfigValue decDigits
let path = ["/sys/devices/system/cpu/cpu", "/cpufreq/scaling_cur_freq"]
divisor = 1e6 :: Double
fmt x | x < 1 = if suffix then mhzFmt x ++ "MHz"
else ghzFmt x
| otherwise = ghzFmt x ++ if suffix then "GHz" else ""
mhzFmt x = show (round (x * 1000) :: Integer)
ghzFmt = showDigits ddigits
failureMessage <- getConfigValue naString
checkedDataRetrieval failureMessage [path] Nothing (/divisor) fmt
|
