mirror of
https://github.com/YunoHost-Apps/linuxdash_ynh.git
synced 2024-09-03 19:36:07 +02:00
33 lines
841 B
Bash
Executable file
33 lines
841 B
Bash
Executable file
#!/bin/bash
|
|
# by Paul Colby (http://colby.id.au), no rights reserved ;)
|
|
|
|
PREV_TOTAL=0
|
|
PREV_IDLE=0
|
|
iteration=0
|
|
|
|
while [[ iteration -lt 2 ]]; do
|
|
# Get the total CPU statistics, discarding the 'cpu ' prefix.
|
|
CPU=(`sed -n 's/^cpu\s//p' /proc/stat`)
|
|
IDLE=${CPU[3]} # Just the idle CPU time.
|
|
|
|
# Calculate the total CPU time.
|
|
TOTAL=0
|
|
for VALUE in "${CPU[@]}"; do
|
|
let "TOTAL=$TOTAL+$VALUE"
|
|
done
|
|
|
|
# Calculate the CPU usage since we last checked.
|
|
let "DIFF_IDLE=$IDLE-$PREV_IDLE"
|
|
let "DIFF_TOTAL=$TOTAL-$PREV_TOTAL"
|
|
let "DIFF_USAGE=(1000*($DIFF_TOTAL-$DIFF_IDLE)/$DIFF_TOTAL+5)/10"
|
|
#echo -en "\rCPU: $DIFF_USAGE% \b\b"
|
|
|
|
# Remember the total and idle CPU times for the next check.
|
|
PREV_TOTAL="$TOTAL"
|
|
PREV_IDLE="$IDLE"
|
|
|
|
# Wait before checking again.
|
|
sleep 1
|
|
iteration="$iteration+1"
|
|
done
|
|
echo -en "$DIFF_USAGE"
|