Centos7.5运行iotop报错

centos 7.5 的服务器上执行iotop命令发现报如下错误：
出错原因:Centos7.5的status信息不一定是:\t来分割信息的了，所以分割会出现有些信息分割出来只有一个key，没有value，目前iotop还没更新过来，所以临时解决办法就是跳过这些分割出来只有一列的信息。
[root@UAT/]# iotop
Traceback (most recent call last):
File “/sbin/iotop”, line 17, in
main()
File “/usr/lib/python2.7/site-packages/iotop/ui.py”, line 620, in main
main_loop()
File “/usr/lib/python2.7/site-packages/iotop/ui.py”, line 610, in
main_loop = lambda: run_iotop(options)
File “/usr/lib/python2.7/site-packages/iotop/ui.py”, line 508, in run_iotop
return curses.wrapper(run_iotop_window, options)
File “/usr/lib64/python2.7/curses/wrapper.py”, line 43, in wrapper
return func(stdscr, *args, **kwds)
File “/usr/lib/python2.7/site-packages/iotop/ui.py”, line 501, in run_iotop_window
ui.run()
File “/usr/lib/python2.7/site-packages/iotop/ui.py”, line 155, in run
self.process_list.duration)
File “/usr/lib/python2.7/site-packages/iotop/ui.py”, line 434, in refresh_display
lines = self.get_data()
File “/usr/lib/python2.7/site-packages/iotop/ui.py”, line 415, in get_data
return list(map(format, processes))
File “/usr/lib/python2.7/site-packages/iotop/ui.py”, line 388, in format
cmdline = p.get_cmdline()
File “/usr/lib/python2.7/site-packages/iotop/data.py”, line 292, in get_cmdline
proc_status = parse_proc_pid_status(self.pid)
File “/usr/lib/python2.7/site-packages/iotop/data.py”, line 196, in parse_proc_pid_status
key, value = line.split(’:\t’, 1)
ValueError: need more than 1 value to unpack

按照如下方法可以解决

[root@UAT/]# vim /usr/lib/python2.7/site-packages/iotop/data.py

def parse_proc_pid_status(pid):result_dict = {}try:for line in open('/proc/%d/status' % pid):key, value = line.split(':\t', 1)result_dict[key] = value.strip()except IOError:pass  # No such processreturn result_dict

修改为

def parse_proc_pid_status(pid):result_dict = {}try:for line in open('/proc/%d/status' % pid):try:key, value = line.split(':\t', 1)except:breakresult_dict[key] = value.strip()except IOError:pass  # No such processreturn result_dict

在执行iotop正常

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