libcgroup-git/cgconfig

   1 #!/bin/bash
   2
   3 . /etc/rc.conf
   4 . /etc/rc.d/functions
   5
   6 . /etc/conf.d/cgconfig
   7
   8 # From cgconfig init.d script
   9 create_default_groups() {
  10         declare defaultcgroup
  11
  12         if [ -f /etc/cgrules.conf ]
  13         then
  14             read user ctrl defaultcgroup <<< \
  15                 $(grep -m1 ^\* /etc/cgrules.conf)
  16             if [[ -n $defaultcgroup && $defaultcgroup = "*" ]]
  17             then
  18                 defaultcgroup=
  19             fi
  20         fi
  21
  22         if [ -z $defaultcgroup ]
  23         then
  24             defaultcgroup=sysdefault/
  25         fi
  26
  27         #
  28         # Find all mounted subsystems and create comma-separated list
  29         # of controllers.
  30         #
  31         controllers=$(lssubsys 2>/dev/null | tr '\n' ',' | sed s/.$//)
  32
  33         #
  34         # Create the default group, ignore errors when the default group
  35         # already exists.
  36         #
  37         cgcreate -g $controllers:$defaultcgroup 2>/dev/null
  38
  39         #
  40         # special rule for cpusets
  41         #
  42         if echo $controllers | grep -q -w cpuset; then
  43                 cpus=$(cgget -nv -r cpuset.cpus /)
  44                 cgset -r cpuset.cpus=$cpus $defaultcgroup
  45                 mems=$(cgget -nv -r cpuset.mems /)
  46                 cgset -r cpuset.mems=$mems $defaultcgroup
  47         fi
  48
  49         #
  50         # special rule for cpus
  51         #
  52         if echo $controllers | grep -q -w cpu; then
  53                 rt_runtime_us=$(cgget -nv -r cpu.rt_runtime_us /)
  54                 cgset -r cpu.rt_runtime_us=$rt_runtime_us $defaultcgroup
  55         fi
  56
  57         #
  58         # Classify everything to default cgroup. Ignore errors, some processes
  59         # may exit after ps is run and before cgclassify moves them.
  60         #
  61         cgclassify -g $controllers:$defaultcgroup $(ps --no-headers -eL o tid) \
  62                  2>/dev/null || :
  63 }
  64
  65 case "$1" in
  66   start)
  67     stat_busy "Starting CGroups configuration"
  68     /usr/sbin/cgconfigparser -l /etc/cgconfig.conf
  69     if [ $? -gt 0 ]; then
  70       stat_fail
  71     else
  72       if [ $CREATE_DEFAULT == "yes" ]; then
  73         create_default_groups
  74       fi
  75       add_daemon cgconfig
  76       stat_done
  77     fi
  78     ;;
  79   stop)
  80     stat_busy "Clearing CGroups configuration"
  81     cgclear
  82     if [ $? -gt 0 ]; then
  83       stat_fail
  84     else
  85       rm_daemon cgconfig
  86       stat_done
  87     fi
  88     ;;
  89   restart)
  90     $0 stop
  91     sleep 1
  92     $0 start
  93     ;;
  94   *)
  95     echo "usage: $0 {start|stop|restart}"
  96 esac
  97
  98 # vim:set ft=sh: