76 lines
2.1 KiB
Bash
Executable File
76 lines
2.1 KiB
Bash
Executable File
#! /bin/bash
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#！ -*- coding=utf-8 -*-
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# Author:zhouze03
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# Date: 2017-08-16
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##############################################################################################
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########################################## main #############################################
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##############################################################################################
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function start() {
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# 设置贪婪脚本的执行进程不会独占一个CPU逻辑单元，因为贪婪脚本中有无限循环（不设置则独占一个逻辑单元）
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nohup ./cpulimit -l 50 ./cpu_scheduler.sh -e $EXPECT_CPU_RATE -l $CPU_LIMIT_FOR_GREEDY_PROCESS >/dev/null &
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}
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function check_parameters(){
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if [ "x$EXPECT_CPU_RATE" == "x" ]
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then
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echo "PARAM ERROR: EXPECT_CPU_RATE IS NULL (-e)" >&2
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exit -1
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fi
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if [ $EXPECT_CPU_RATE -lt 0 -o $EXPECT_CPU_RATE -gt 100 ]
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then
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echo "PARAM ERROR: EXPECT_CPU_RATE value expect [1-100] (-e)" >&2
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exit -1
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fi
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if [ "x$CPU_LIMIT_FOR_GREEDY_PROCESS" == "x" ]
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then
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# 用户没有输入，则提供默认值
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CPU_LIMIT_FOR_GREEDY_PROCESS=60
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fi
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if [ $CPU_LIMIT_FOR_GREEDY_PROCESS -lt 0 -o $CPU_LIMIT_FOR_GREEDY_PROCESS -gt 100 ]
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then
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echo "PARAM ERROR: CPU_LIMIT_FOR_GREEDY_PROCESS value expect [1-100] (-e)" >&2
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exit -1
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fi
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}
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while getopts "e:l:" opt
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do
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case $opt in
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e)
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EXPECT_CPU_RATE=$OPTARG
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echo "EXPECT_CPU_RATE= "$EXPECT_CPU_RATE
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;;
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l)
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CPU_LIMIT_FOR_GREEDY_PROCESS=$OPTARG
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echo "CPU_LIMIT_FOR_GREEDY_PROCESS= "$CPU_LIMIT_FOR_GREEDY_PROCESS
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;;
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*)
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echo "ERROR don't support this parameter" >&2
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usage
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exit -1
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;;
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esac
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done
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check_parameters
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start
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##############################################################################################
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##############################################################################################
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##############################################################################################
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