From ce8ee8c8a65072ce09b49db1f54d561f397f32e8 Mon Sep 17 00:00:00 2001
From: hexenmeister <hexenmeister@2b470e98-0d58-463d-a4d8-8e2adae1ed80>
Date: Tue, 16 Jan 2018 23:07:56 +0000
Subject: [PATCH] fix: Falsche Angabe von Ram free / used bei Debian Stretch

git-svn-id: https://svn.fhem.de/fhem/trunk@15910 2b470e98-0d58-463d-a4d8-8e2adae1ed80
---
 fhem/FHEM/42_SYSMON.pm | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/fhem/FHEM/42_SYSMON.pm b/fhem/FHEM/42_SYSMON.pm
index c85a74cac..c8c64868b 100644
--- a/fhem/FHEM/42_SYSMON.pm
+++ b/fhem/FHEM/42_SYSMON.pm
@@ -2263,7 +2263,11 @@ sub SYSMON_getRamAndSwap($$) {
   if($hash->{helper}->{excludes}{'ramswap'}) {return $map;}
 
   #my @speicher = qx(free -m);
-  my @speicher = SYSMON_execute($hash, "LANG=en free");
+  #my @speicher = SYSMON_execute($hash, "LANG=en free");
+  my $free_version = SYSMON_execute($hash, 'free -V');
+  $free_version =~ s/\D//g;
+  my @speicher = SYSMON_execute($hash, 'LANG=en ' . ($free_version > 339 ? 'free -w' : 'free'));
+
 
   if(!@speicher) {
     return $map;
@@ -2312,7 +2316,8 @@ sub SYSMON_getRamAndSwap($$) {
     }
     #$used_clean = $used - $buffers - $cached;
     #$ram = sprintf("Total: %.2f MB, Used: %.2f MB, %.2f %%, Free: %.2f MB", $total, $used_clean, ($used_clean / $total * 100), ($free + $buffers + $cached));
-    if ($total > 2048) {
+    #if ($total > 2048) {
+    if ($free_version > 339) {
        $used_clean = $used;
        $ram = sprintf("Total: %.2f MB, Used: %.2f MB, %.2f %%, Free: %.2f MB", $total, $used_clean, ($used_clean / $total * 100), ($free));
      } else {