util-vserver-cpuset.patch

   1 diff -ur util-vserver-0.30.209/scripts/vserver-setup.functions util-vserver-0.30.209.cpuset/scripts/vserver-setup.functions
   2 --- util-vserver-0.30.209/scripts/vserver-setup.functions       2005-02-26 00:32:02.000000000 +0100
   3 +++ util-vserver-0.30.209.cpuset/scripts/vserver-setup.functions        2005-11-25 15:11:30.224131360 +0100
   4 @@ -24,11 +24,14 @@
   5  SETUP_CONFDIR=
   6  SETUP_CONTEXT=
   7  SETUP_INITSTYLE=
   8 +SETUP_CPUSET=
   9 +SETUP_CPUSETCPUS=
  10 +SETUP_CPUSETMEMS=
  11
  12  declare -a SETUP_INTERFACES=()
  13  declare -a SETUP_FLAGS=()
  14
  15 -declare -r SETUP_OPTIONS="confdir:,lockfile:,hostname:,netdev:,netmask:,netprefix:,netbcast:,interface:,flags:,context:,initstyle:"
  16 +declare -r SETUP_OPTIONS="confdir:,lockfile:,hostname:,netdev:,netmask:,netprefix:,netbcast:,interface:,flags:,context:,initstyle:,cpuset:,cpusetcpus:,cpusetmems:"
  17  declare -r SETUP_HELPMSG=$"
  18      --context   ...  the static context of the vserver [default: none; a dynamic
  19                       context will be assumed]
  20 @@ -55,6 +58,16 @@
  21                             this becomes a per vserver limit)
  22                      private: No other process can join this security context.
  23                             Even root
  24 +    --cpuset <name>
  25 +               ...  declares the CPUSET this vserver will run in [default: none]
  26 +    --cpusetcpus <number[-number][:<exclusive>]>
  27 +               ...  sets which cpus belong to the CPUSET,
  28 +                    exclusive is a flag (0|1) prohibiting any other cpuset from
  29 +                    using those cpus
  30 +    --cpusetmems <number[-number][:<exclusive>]>
  31 +               ...  sets which memory pools belong to the CPUSET,
  32 +                    exclusive is a flag (0|1) prohibiting any other cpuset from
  33 +                    using those memory pools
  34      --initstyle <style>
  35                  ...  configures the initstyle (e.g. minit,sysv,plain)
  36  "
  37 @@ -72,6 +85,21 @@
  38         (--netbcast)    SETUP_NETBCAST=$2;;
  39         (--interface)   SETUP_INTERFACES=( "${SETUP_INTERFACES[@]}" "$2" );;
  40         (--initstyle)   SETUP_INITSTYLE=$2;;
  41 +       (--cpuset)      SETUP_CPUSET=$2;;
  42 +       (--cpusetcpus)  old_IFS=$IFS
  43 +                       IFS=:
  44 +                       set -- $2
  45 +                       SETUP_CPUSETCPUS=$1
  46 +                       SETUP_CPUSETCPUSEXCL=$2
  47 +                       IFS=$old_IFS
  48 +                       ;;
  49 +       (--cpusetmems)  old_IFS=$IFS
  50 +                       IFS=:
  51 +                       set -- $2
  52 +                       SETUP_CPUSETMEMS=$1
  53 +                       SETUP_CPUSETMEMSEXCL=$2
  54 +                       IFS=$old_IFS
  55 +                       ;;
  56         (--flags)       old_IFS=$IFS
  57                         IFS=,
  58                         set -- $2
  59 @@ -140,7 +166,7 @@
  60      local cfgdir=${SETUP_CONFDIR:?}
  61      local i
  62
  63 -    mkdir -p "$cfgdir"/interfaces "$cfgdir"/apps/init "$cfgdir"/uts
  64 +    mkdir -p "$cfgdir"/interfaces "$cfgdir"/apps/init "$cfgdir"/uts "$cfgdir"/cpuset
  65
  66      _setup_writeSingleOption "$name"            "$cfgdir"/name
  67      _setup_writeSingleOption "$SETUP_CONTEXT"   "$cfgdir"/context
  68 @@ -150,6 +176,11 @@
  69      _setup_writeSingleOption "$SETUP_NETPREFIX" "$cfgdir"/interfaces/prefix
  70      _setup_writeSingleOption "$SETUP_NETBCAST"  "$cfgdir"/interfaces/bcast
  71      _setup_writeSingleOption "$SETUP_INITSTYLE" "$cfgdir"/apps/init/style
  72 +    _setup_writeSingleOption "$SETUP_CPUSET"    "$cfgdir"/cpuset/name
  73 +    _setup_writeSingleOption "$SETUP_CPUSETCPUS"     "$cfgdir"/cpuset/cpus
  74 +    _setup_writeSingleOption "$SETUP_CPUSETCPUSEXCL" "$cfgdir"/cpuset/cpus_exclusive
  75 +    _setup_writeSingleOption "$SETUP_CPUSETMEMS"     "$cfgdir"/cpuset/mems
  76 +    _setup_writeSingleOption "$SETUP_CPUSETMEMSEXCL" "$cfgdir"/cpuset/mem_exclusive
  77
  78      local idx=0
  79      for i in "${SETUP_INTERFACES[@]}"; do
  80 diff -ur util-vserver-0.30.209/scripts/vserver.functions util-vserver-0.30.209.cpuset/scripts/vserver.functions
  81 --- util-vserver-0.30.209/scripts/vserver.functions     2005-11-25 14:30:27.665999880 +0100
  82 +++ util-vserver-0.30.209.cpuset/scripts/vserver.functions      2005-11-25 15:11:04.593027880 +0100
  83 @@ -687,6 +687,54 @@
  84      fi
  85  }
  86
  87 +function addtoCPUSET
  88 +{
  89 +    local vdir=$1
  90 +    local cpuset
  91 +    local f="$vdir"/cpuset
  92 +    local i
  93 +    local v
  94 +
  95 +    test -d "$f" || return 0
  96 +    test -e "$f"/name || return 0
  97 +
  98 +    read cpuset < "$f"/name
  99 +    test -e "$f"/nocreate || {
 100 +       test -d /dev/cpuset/"$cpuset" || mkdir /dev/cpuset/"$cpuset"
 101 +       for i in cpus mems cpu_exclusive mem_exclusive; do
 102 +           if test -e "$f"/"$i"; then
 103 +               read v < "$f"/"$i"
 104 +               echo $v >/dev/cpuset/"$cpuset"/"$i" || {
 105 +                   rmdir /dev/cpuset/"$cpuset"
 106 +                   break
 107 +               }
 108 +       done
 109 +    }
 110 +
 111 +    if [ -e /dev/cpuset/"$cpuset"/tasks ] ; then
 112 +       echo $$ >/dev/cpuset/"$cpuset"/tasks
 113 +    else
 114 +       warning $"\
 115 +WARNING: Failed to create or CPUSET \"$cpuset\" does not exist! Not using it!" >&2
 116 +       return 0
 117 +    fi
 118 +}
 119 +
 120 +function removeCPUSET
 121 +{
 122 +    local vdir=$1
 123 +    local cpuset
 124 +    local f="$vdir"/cpuset
 125 +
 126 +    test -d "$f" || return 0
 127 +    test -e "$f"/name || return 0
 128 +
 129 +    read cpuset < "$f"/name
 130 +    test -e "$f"/nocreate || {
 131 +       rmdir /dev/cpuset/"$cpuset"
 132 +    }
 133 +}
 134 +
 135  function _mountVserverInternal
 136  {
 137      local fstab="$1"
 138 diff -ur util-vserver-0.30.209/scripts/vserver.start util-vserver-0.30.209.cpuset/scripts/vserver.start
 139 --- util-vserver-0.30.209/scripts/vserver.start 2005-10-28 20:41:32.000000000 +0200
 140 +++ util-vserver-0.30.209.cpuset/scripts/vserver.start  2005-11-25 14:30:14.958931648 +0100
 141 @@ -111,6 +111,7 @@
 142
 143  mountVserver "$VSERVER_DIR"     && is_mounted=1
 144  prepareInit  "$VSERVER_DIR"
 145 +addtoCPUSET  "$VSERVER_DIR"
 146
 147  pushd "$VSERVER_DIR"/vdir/ >/dev/null
 148  execScriptlets   "$VSERVER_DIR" "$VSERVER_NAME" pre-start
 149 diff -ur util-vserver-0.30.209/scripts/vserver.stop util-vserver-0.30.209.cpuset/scripts/vserver.stop
 150 --- util-vserver-0.30.209/scripts/vserver.stop  2005-10-29 17:35:43.000000000 +0200
 151 +++ util-vserver-0.30.209.cpuset/scripts/vserver.stop   2005-11-25 15:12:23.679004984 +0100
 152 @@ -99,3 +99,4 @@
 153  disableInterfaces "$VSERVER_DIR"
 154
 155  execScriptlets    "$VSERVER_DIR" "$VSERVER_NAME" postpost-stop
 156 +removeCPUSET      "$VSERVER_DIR"
 157 diff -ur util-vserver-0.30.209/scripts/vserver.suexec util-vserver-0.30.209.cpuset/scripts/vserver.suexec
 158 --- util-vserver-0.30.209/scripts/vserver.suexec        2005-07-15 21:01:06.000000000 +0200
 159 +++ util-vserver-0.30.209.cpuset/scripts/vserver.suexec 2005-11-25 14:30:14.958931648 +0100
 160 @@ -22,6 +22,7 @@
 161      exit 1
 162  }
 163  generateOptions  "$VSERVER_DIR"
 164 +addtoCPUSET  "$VSERVER_DIR"
 165
 166  user=$1
 167  shift