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| 1 | #!/bin/bash | |
| 2 | #POSITIONAL=() | |
| 3 | FILE_PATH="$2" | |
| 4 | #echo ${FILE_PATH};
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| 5 | ||
| 6 | while true | |
| 7 | do | |
| 8 | # Read /proc/stat file (for first datapoint) | |
| 9 | read cpu user nice system idle iowait irq softirq steal guest< /proc/stat | |
| 10 | ||
| 11 | # compute active and total utilizations | |
| 12 | cpu_active_prev=$((user+system+nice+softirq+steal)) | |
| 13 | cpu_total_prev=$((user+system+nice+softirq+steal+idle+iowait)) | |
| 14 | ||
| 15 | sleep 5 | |
| 16 | ||
| 17 | # Read /proc/stat file (for second datapoint) | |
| 18 | read cpu user nice system idle iowait irq softirq steal guest< /proc/stat | |
| 19 | ||
| 20 | # compute active and total utilizations | |
| 21 | cpu_active_cur=$((user+system+nice+softirq+steal)) | |
| 22 | cpu_total_cur=$((user+system+nice+softirq+steal+idle+iowait)) | |
| 23 | ||
| 24 | # compute CPU utilization (%) | |
| 25 | cpu_util=$((100*( cpu_active_cur-cpu_active_prev ) / (cpu_total_cur-cpu_total_prev) )) | |
| 26 | ||
| 27 | #printf " Current CPU Utilization : %s\n" "$cpu_util" | |
| 28 | DATE=`date '+%Y-%m-%d %H:%M:%S'` | |
| 29 | echo "$DATE Current CPU Utilization : $cpu_util" >> ${FILE_PATH}
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| 30 | done | |
| 31 | #exit 0 |
