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fanyeren/idle_ratio.sh

Created March 7, 2016 08:13
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linux 空闲率计算
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idle_ratio.sh
#!/bin/bash
cc=$(grep -c processor /proc/cpuinfo)
uptime=$(cat /proc/uptime | awk '{print $1}')
idletime=$(cat /proc/uptime | awk '{print $2}')
idle_ratio=$(echo $cc $uptime $idletime | perl -ne '{my @input = split(/\s+/, $_); my $idle = $input[2] / ($input[0] * $input[1]); print $idle, "\n";}')
idle_ratio=$(printf "%.04s" $idle_ratio)
echo -e "\t\t\t\t\t\e[1;31m开机以来空闲率：$idle_ratio\e[0m\n"
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