From b99a8a6833a1b38882b463fd72784cd6d6f91d9e Mon Sep 17 00:00:00 2001 From: Michal Zielonka Date: Thu, 7 Oct 2021 23:25:09 +0200 Subject: try to reorganize modules per os We should make better split os specify code for FreeBSD and Linux. Idea comes from @liskin. --- src/Xmobar/Plugins/Monitors/Mem/FreeBSD.hs | 45 ++++++++++++++++++++++++++++++ src/Xmobar/Plugins/Monitors/Mem/Linux.hs | 33 ++++++++++++++++++++++ 2 files changed, 78 insertions(+) create mode 100644 src/Xmobar/Plugins/Monitors/Mem/FreeBSD.hs create mode 100644 src/Xmobar/Plugins/Monitors/Mem/Linux.hs (limited to 'src/Xmobar/Plugins/Monitors/Mem') diff --git a/src/Xmobar/Plugins/Monitors/Mem/FreeBSD.hs b/src/Xmobar/Plugins/Monitors/Mem/FreeBSD.hs new file mode 100644 index 0000000..787cace --- /dev/null +++ b/src/Xmobar/Plugins/Monitors/Mem/FreeBSD.hs @@ -0,0 +1,45 @@ +----------------------------------------------------------------------------- +-- | +-- Module : Plugins.Monitors.Mem.FreeBSD +-- Copyright : (c) Andrea Rossato +-- License : BSD-style (see LICENSE) +-- +-- Maintainer : Jose A. Ortega Ruiz +-- Stability : unstable +-- Portability : unportable +-- +-- A memory monitor for Xmobar +-- +----------------------------------------------------------------------------- + +module Xmobar.Plugins.Monitors.Mem.FreeBSD (parseMEM) where + +import System.BSD.Sysctl (sysctlReadUInt) + +parseMEM :: IO [Float] +parseMEM = do stats <- mapM sysctlReadUInt [ + "vm.stats.vm.v_page_size" + , "vm.stats.vm.v_page_count" + , "vm.stats.vm.v_free_count" + , "vm.stats.vm.v_active_count" + , "vm.stats.vm.v_inactive_count" + , "vm.stats.vm.v_wire_count" + , "vm.stats.vm.v_cache_count"] + + let [ pagesize, totalpages, freepages, activepages, inactivepages, wiredpages, cachedpages ] = fmap fromIntegral stats + usedpages = activepages + wiredpages + cachedpages + availablepages = inactivepages + cachedpages + freepages + bufferedpages = activepages + inactivepages + wiredpages + + available = availablepages * pagesize + used = usedpages * pagesize + free = freepages * pagesize + cache = cachedpages * pagesize + buffer = bufferedpages * pagesize + total = totalpages * pagesize + + usedratio = usedpages / totalpages + freeratio = freepages / totalpages + availableratio = availablepages / totalpages + + return [usedratio, freeratio, availableratio, total, free, buffer, cache, available, used] diff --git a/src/Xmobar/Plugins/Monitors/Mem/Linux.hs b/src/Xmobar/Plugins/Monitors/Mem/Linux.hs new file mode 100644 index 0000000..9e48d22 --- /dev/null +++ b/src/Xmobar/Plugins/Monitors/Mem/Linux.hs @@ -0,0 +1,33 @@ +----------------------------------------------------------------------------- +-- | +-- Module : Plugins.Monitors.Mem.Linux +-- Copyright : (c) Andrea Rossato +-- License : BSD-style (see LICENSE) +-- +-- Maintainer : Jose A. Ortega Ruiz +-- 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] -- cgit v1.2.3