debugfs查找文件读写

/etc/init.d/syslog stop echo 1 > /proc/sys/vm/block_dump sleep 60 dmesg | awk '/(READ|WRITE|dirtied)/ {process[$1]++} END {for (x in process) \ print process[x],x}' |sort -nr |awk '{print $2 " " $1}'

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