Created
January 31, 2019 09:39
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Max RSSを取得できる(./mem.sh <option> <知りたいprocess>)
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#!/bin/sh | |
# mem.sh | |
# GNU GPL version 2 copyright@N_Nao | |
# オプションの取得 | |
while getopts :M opt | |
do | |
case $opt in | |
"M") size_f="TRUE";; # MB表示を行う | |
*) error_f="TRUE";; | |
esac | |
done | |
# 未知のオプションに関するエラー処理 | |
if [ $error_f ] | |
then | |
echo "Unknown option:" | |
echo " if you don't know how to use," | |
echo " please use -h option to show the help." | |
exit | |
fi | |
# コマンドを取得 | |
COMMAND="" | |
while [ $1 ] | |
do | |
case $1 in | |
-*) ;; | |
*) COMMAND=$1 | |
shift | |
while [ $1 ] | |
do | |
COMMAND=$COMMAND' '$1 | |
shift | |
done | |
break;; | |
esac | |
shift | |
done | |
# 使用メモリ量をtimeコマンドで取得 | |
MEM=`/usr/bin/time -f "\n%M" $COMMAND 2>&1 > /dev/null | tail -n 1` | |
# 結果の表示 | |
if [ $size_f ] | |
then | |
MEM=`echo "scale=2; $MEM / 1024" | bc` # 1024で割りMBへ | |
echo \'$COMMAND\' \-\> Max RSS = $MEM MB. | |
else | |
echo \'$COMMAND\' \-\> Max RSS = $MEM KB. | |
fi |
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