Created
November 28, 2017 19:10
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#!/usr/bin/env bash | |
# Parameters | |
NBINS=20 | |
INTERVAL=1 | |
PROCESSES=("Google Chrome") | |
# Set process | |
if [ $# -gt 0 ];then | |
PROCESSES=("$@") | |
fi | |
# Prepare initial bins | |
for i in $(seq 0 $((${#PROCESSES[@]}-1)));do | |
eval bins_${i}=\(\) | |
for j in $(seq 1 $NBINS);do | |
eval bins_${i}=\(\${bins_${i}[@]} 0\) | |
done | |
done | |
bins=() | |
# Finalization | |
finalize () { | |
# Show cursor | |
tput cnorm >/dev/tty 2>/dev/null || tput vs >/dev/tty 2>/dev/null | |
# Show input | |
stty echo | |
# Go to the clean line | |
echo | |
} | |
# Set trap | |
trap "finalize;echo;exit" HUP INT QUIT ABRT SEGV TERM | |
# Hide cursor/input | |
tput civis >/dev/tty 2>/dev/null || tput vi >/dev/tty 2>/dev/null | |
stty -echo | |
# Main loop | |
while [ 1 ];do | |
for i in $(seq 0 $((${#PROCESSES[@]}-1)));do | |
cpu=$(ps ax -o %cpu -o comm|grep "${PROCESSES[$i]}\$"|head -1|awk '{print $1}') | |
eval bins_${i}=\(\${bins_${i}[@]:1} \$cpu\) | |
printf "%${NBINS}s %4s%% ${PROCESSES[$i]}\n" "$(spark $(eval echo \${bins_${i}[@]}) 100)$(tput cub 1)" $cpu | |
tput cub $((NBINS+6)) | |
done | |
tput cuu ${#PROCESSES[@]} | |
sleep $INTERVAL | |
done |
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