1 #!/bin/sh 2 # 3 # SPDX-License-Identifier: Apache-2.0 4 # 5 # Copyright (C) 2015, ARM Limited and contributors. 6 # 7 # Licensed under the Apache License, Version 2.0 (the "License"); you may 8 # not use this file except in compliance with the License. 9 # You may obtain a copy of the License at 10 # 11 # http://www.apache.org/licenses/LICENSE-2.0 12 # 13 # Unless required by applicable law or agreed to in writing, software 14 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 15 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 16 # See the License for the specific language governing permissions and 17 # limitations under the License. 18 # 19 20 # Control groups mount point 21 CGMOUNT=${CGMOUNT:-/sys/fs/cgroup/devlib_*} 22 # The control group we want to run into 23 CGP=${1} 24 # The command to run 25 CMD=${2} 26 27 # Execution under root CGgroup 28 if [ "x/" == "x$CGP" ]; then 29 30 find $CGMOUNT -type d -maxdepth 0 | \ 31 while read CGPATH; do 32 # Move this shell into that control group 33 echo $$ > $CGPATH/cgroup.procs 34 echo "Moving task into root CGroup ($CGPATH)" 35 done 36 37 # Execution under specified CGroup 38 else 39 40 # Check if the required CGroup exists 41 find $CGMOUNT -type d -mindepth 1 | \ 42 grep $CGP &>/dev/null 43 if [ $? -ne 0 ]; then 44 echo "ERROR: could not find any $CGP cgroup under $CGMOUNT" 45 exit 1 46 fi 47 48 find $CGMOUNT -type d -mindepth 1 | \ 49 grep $CGP | \ 50 while read CGPATH; do 51 # Move this shell into that control group 52 echo $$ > $CGPATH/cgroup.procs 53 echo "Moving task into $CGPATH" 54 done 55 56 fi 57 58 # Execute the command 59 $CMD 60
