Question

How to install iotop with python 2.6

Asked by: fosiul01

Hi
I need to try this software iotop.

I understand iotop need python 2.6 and kernel 2.6.20

and by default centos installed python Python 2.4.3

so i have installed the new kernel 2.6.30 and download python 2.6

and installed python from source code
so if i type this

whereis python :

python: /usr/bin/python2.4 /usr/bin/python /usr/lib/python2.4 /usr/local/bin/python2.6

Now problem is : if i type

[root@localhost /]# iotop
Traceback (most recent call last):
  File "/usr/local/bin/iotop", line 4, in <module>
    import pkg_resources
ImportError: No module named pkg_resources


and  if i try from source :

[root@localhost iotop-0.3.1]# ./iotop.py
Traceback (most recent call last):
  File "./iotop.py", line 8, in ?
    from iotop.ui import main
  File "/tmp/iotop-0.3.1/iotop/ui.py", line 12, in ?
    from iotop.data import find_uids, TaskStatsNetlink, ProcessList
  File "/tmp/iotop-0.3.1/iotop/data.py", line 12, in ?
    from iotop import ioprio, vmstat
  File "/tmp/iotop-0.3.1/iotop/ioprio.py", line 1, in ?
    import ctypes
ImportError: No module named ctypes



so i am little bit of confused, what to do ??
Need help from some one who has install iotop in Redhat or centos
thanks


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Asked On
2009-08-06 at 06:03:03ID24631212
Topics

CentOS

,

Red Hat Linux

,

Linux

Participating Experts
1
Points
500
Comments
8

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Answers

 

by: medveddPosted on 2009-08-06 at 06:08:06ID: 25032798

What is your default python? What command 'python -V' says?

You don't need to install new kernel for new python. New python can be installed in separate directory and coexist with old python.

 

by: fosiul01Posted on 2009-08-06 at 06:10:11ID: 25032817

python -V shows

Python 2.6.2

 

by: fosiul01Posted on 2009-08-06 at 06:18:09ID: 25032912

Ok i think i know what causing the problem,

it was iotop.py it was set to old python.

after chaing that one to 2.6 , it not showing the error, but now its asking enable

 Linux >= 2.6.20 with I/O accounting support (CONFIG_TASKSTATS, CONFIG_TASK_DELAY_ACCT, CONFIG_TASK_IO_ACCOUNTING): Not found

!!!!!
so i will have to go back and try to recompile the kernel again!!

 

by: medveddPosted on 2009-08-06 at 06:29:48ID: 25033035

It's some of python idiosyncrasies :(

First, check is ctypes is really here - run python without arguments, and after the prompt say

import ctypes

If you get another prompt, exit python and try to run iotop this way:

python iotop.py

instead of ./iotop.py

 

by: fosiul01Posted on 2009-08-06 at 06:33:16ID: 25033074

import ctypes : it does work.

but as i said, its aying

(CONFIG_TASKSTATS, CONFIG_TASK_DELAY_ACCT, CONFIG_TASK_IO_ACCOUNTING): Not found

now recompile the kernel with those options enabled is the only way or can i enable those options from kernel ??

 

by: medveddPosted on 2009-08-06 at 06:48:17ID: 25033254

Yes, you need to recompile kernel with these options.

 

by: fosiul01Posted on 2009-08-06 at 06:50:44ID: 25033287

Ok no problem, my kernel is on the process of recompiling,

after using make menuconfig , i enalbed those,

let me installed, see how it goes,
i will come back, but it should be allright now ..

 

by: fosiul01Posted on 2009-08-06 at 07:54:33ID: 25034116

ok , Compiling kernel with those options fixed the issue

20120131-EE-VQP-002

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