[Users] IO usage stat within containers

[Andrew Vagin]

On 03/18/2012 08:17 PM, Nilesh Bairagi wrote:
> Hello,
> I am trying to get IO stat for each container.
> Like read requests, writes requests, %cpu utilized for IO etc.
>
> The command iostat -d, works but does not print any values.
> Does anybody have any idea how to get such values (similar to iostat).
It should work in the 2.6.32-rhel6 kernel 
http://download.openvz.org/kernel/branches/rhel6-2.6.32/

CT-1000-bash-4.1# uname -a
Linux pluto 2.6.32-042stab049.7 #1 SMP Thu Mar 1 18:03:05 MSK 2012 
x86_64 x86_64 x86_64 GNU/Linux
CT-1000-bash-4.1# vmstat 1
procs -----------memory---------- ---swap-- -----io---- --system-- 
-----cpu-----
  0  0      0 2027552      0  35852    0    0   684     0    0 8443  1  
2 95  2  0
  0  0      0 2019708      0  37712    0    0   292     0    0 5069  1  
1 99  0  0
  0  1      0 1998308      0  43304    0    0  1184     0    0 7656  1  
2 87 10  0
  1  0      0 1978704      0  51764    0    0  1620     0    0 9429  1  
2 86 10  0

And you can find some info in /proc/bc/VEID/ioacct

[root at boar ~]# cat /proc/bc/1000/ioacct
     read                              83648512
     write                               208896
     dirty                               241664
     cancel                               32768
     missed                                   0
     syncs_total                              0
     fsyncs_total                             1
     fdatasyncs_total                         0
     range_syncs_total                        0
     syncs_active                             0
     fsyncs_active                            0
     fdatasyncs_active                        0
     range_syncs_active                       0
     io_pbs                                   0
>
> Regards
> Nilesh
>
>
>
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