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23 lines
602 B
Bash
Executable File
23 lines
602 B
Bash
Executable File
#!/bin/bash
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ini=/var/local/emhttp/diskload.ini
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init=0
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declare -a reads writes
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# t = poll interval in seconds
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t=2
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while :; do
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stats=($(awk '/(sd[a-z]*|nvme[0-9]n1|vd[a-z]) /{print $3,$6,$10,$4,$8}' /proc/diskstats))
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c=0; s=${#stats[@]}
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echo -n >$ini
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for ((i=0;i<s;i+=5)); do
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reads[c]=$((stats[i+1]-reads[c]))
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writes[c]=$((stats[i+2]-writes[c]))
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[[ $init == 1 ]] && echo ${stats[i]}=$((reads[c]*512/t)) $((writes[c]*512/t)) ${stats[i+3]} ${stats[i+4]} >>$ini || echo "0 0 0 0" >>$ini
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reads[c]=${stats[i+1]}
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writes[c]=${stats[i+2]}
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((c++))
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done
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init=1
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sleep $t
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done
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