Shows cpu load in percent

top -bn2|awk -F, '/Cpu/{if (NR>4){print 100-gensub(/.([^ ]+).*/,"\\1","g",$4)}}'
This version is precise and requires one second to collect statistics. Check sample output for a more generic version and also a remote computer invocation variant. It doesn't work with the busybox version of the 'top' command but can be adjusted
Sample Output
# more generic variant without gensub function
top -bn2|awk -F, '/Cpu/{if (NR>4){print $4}}'|awk -F" id" '{print 100-$1}'

# show cpu load on a remote machine
ssh root@192.168.1.200 'top -bn2|awk -F, '\''/Cpu/{if (NR>4){print $4}}'\''|awk -F" id" '\''{print 100-$1}'\'

1
By: ichbins
2014-04-18 17:48:05

1 Alternatives + Submit Alt

  • Show the current load of the CPU as a percentage. Read the load from /proc/loadavg and convert it using sed: Strip everything after the first whitespace: sed -e 's/ .*//' Delete the decimal point: sed -e 's/\.//' Remove leading zeroes: sed -e 's/^0*//' Show Sample Output


    5
    sed -e 's/ .*//' -e 's/\.//' -e 's/^0*//' /proc/loadavg
    flatcap · 2014-04-18 19:12:05 3

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