2024年1月21日发(作者：)

1234567891#!/bin/sh## echo user nice system idle iowait irq softirqCPULOG_1=$(cat /proc/stat | grep 'cpu ' | awk '{print $2" "$3" "$4" "$5" "$6" "$7" "$8}')SYS_IDLE_1=$(echo $CPULOG_1 | awk '{print $4}')Total_1=$(echo $CPULOG_1 | awk '{print $1+$2+$3+$4+$5+$6+$7}')sleep 1CPULOG_2=$(cat /proc/stat | grep 'cpu ' | awk '{print $2" "$3" "$4" "$5" "$6" "$7" "$8}')SYS_IDLE_2=$(echo $CPULOG_2 | awk '{print $4}')Total_2=$(echo $CPULOG_2 | awk '{print $1+$2+$3+$4+$5+$6+$7}')SYS_IDLE=`expr $SYS_IDLE_2 - $SYS_IDLE_1`Total=`expr $Total_2 - $Total_1`SYS_USAGE=`expr $SYS_IDLE/$Total*100 |bc -l`SYS_Rate=`expr 100-$SYS_USAGE |bc -l`Disp_SYS_Rate=`expr "scale=3; $SYS_Rate/1" |bc`echo $Disp_SYS_Rate%###perl实现8293031#!/usr/bin/perluse warnings;$SLEEPTIME=5;if (-e "/tmp/stat") { unlink "/tmp/stat";}open (JIFF_TMP, ">>/tmp/stat") || die "Can't open /proc/stat file!n";open (JIFF, "/proc/stat") || die "Can't open /proc/stat file!n";@jiff_0=;print JIFF_TMP $jiff_0[0] ;close (JIFF);sleep $SLEEPTIME;open (JIFF, "/proc/stat") || die "Can't open /proc/stat file!n";@jiff_1=;print JIFF_TMP $jiff_1[0];close (JIFF);close (JIFF_TMP);

@USER=`awk '{print $2}' "/tmp/stat"`;@NICE=`awk '{print $3}' "/tmp/stat"`;@SYSTEM=`awk '{print $4}' "/tmp/stat"`;@IDLE=`awk '{print $5}' "/tmp/stat"`;@IOWAIT=`awk '{print $6}' "/tmp/stat"`;@IRQ=`awk '{print $7}' "/tmp/stat"`;@SOFTIRQ=`awk '{print $8}' "/tmp/stat"`;

$JIFF_0=$USER[0]+$NICE[0]+$SYSTEM[0]+$IDLE[0]+$IOWAIT[0]+$IRQ[0]+$SOFTIRQ[0];$JIFF_1=$USER[1]+$NICE[1]+$SYSTEM[1]+$IDLE[1]+$IOWAIT[1]+$IRQ[1]+$SOFTIRQ[1];$SYS_IDLE=($IDLE[0]-$IDLE[1]) / ($JIFF_0-$JIFF_1) * 100;$SYS_USAGE=100 - $SYS_IDLE;printf ("The CPU usage is %1.2f%%n",$SYS_USAGE);

转载于:/fileoptions/blog/1649492