Linux服务器如何实时查看哪些文件正在被读写

# 使用方法
/usr/share/bcc/tools/filetop 1 -a  [-p PID]
1:1分钟刷新
-a：显示所有类型
-p：指定pid

# 使用案例：
[root@VM-80-47-tencentos ~]# /usr/share/bcc/tools/filetop 1 -a  -p 487268
....
22:59:40 loadavg: 1.24 0.39 0.20 2/172 487415

TID     COMM             READS  WRITES R_Kb    W_Kb    T FILE
487268  dd               0      151    0       154624  R test.txt
487268  dd               151    0      154624  0       O zero

### 安装方法
sudo rpm --import https://s3.amazonaws.com/download.draios.com/DRAIOS-GPG-KEY.public
sudo curl -s -o /etc/yum.repos.d/draios.repo https://s3.amazonaws.com/download.draios.com/stable/rpm/draios.repo
sudo yum -y install epel-release
sudo yum -y install kernel-devel-$(uname -r)
sudo yum -y install sysdig

[root@VM-80-47-tencentos ~]# sysdig -c topfiles_bytes
Bytes               Filename            
--------------------------------------------------------------------------------
150.00M             /data1/test.txt
150.00M             /dev/zero
13.28M              /etc/services
22.86KB             /dev/null
3.17KB              /usr/local/qcloud/monitor/barad/log/executor.log
2.50KB              /proc/net/netstat
1.71KB              /usr/local/qcloud/monitor/barad/log/dispatcher.log
1.24KB              /etc/hosts
1.23KB              /proc/net/snmp
1.13KB              /etc/chrony.conf

[root@VM-80-47-tencentos ~]# sysdig -c topfiles_bytes "proc.name=dd"  # 指定进程名称
Bytes               Filename            
--------------------------------------------------------------------------------
154.00M             /dev/zero
154.00M             /data1/test.txt