系统内存和进程内存使用量监控

Linux/Ubuntu 
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while true
do
    echo `date '+%Y-%m-%d-%H:%M:%S'` `free | awk 'NR==2{print $3, $4 }'` >> mem_usage.log
    ps aux | grep -v grep | grep $1 | awk '{print $3, $4}' >> $1_status.log
    sleep 1
done

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while true
do
    START=$(date +%s)
    res=$(curl $1:8080/detect_netflix)
    END=$(date +%s)
    DIFF=$(( $END - $START ))
    echo `date '+%Y-%m-%d-%H:%M:%S'` $DIFF $res >> detect_res.log
    sleep 1
done