[CentOS] IO statistic Centos 5.4

Christoph Maser cmr at financial.com
Fri Oct 23 19:14:29 UTC 2009


Am Freitag, den 23.10.2009, 16:37 +0200 schrieb Sergio Belkin:
> 2009/10/23 Benjamin Franz <jfranz at freerun.com>:
> > Sergio Belkin wrote:
> >> 2009/10/23 Scott McClanahan <smcclanahan at sigovs.com>:
> >>
> >>> On Fri, 2009-10-23 at 09:35 -0300, Sergio Belkin wrote:
> >>>
> >>>> Hi,
> >>>>
> >>>> Has kernel-2.6.18-128.1.1 support for IO statistic for example when
> >>>> using "pidstat -d"?
> >>>>
> >>>> Thanks in advance!
> >>>>
> >>> Is pidstat available in the 5.4 sysstat package or are you deviating
> >>> from the stock sysstat package?
> >>>
> >>
> >> Really I don't know, still I don't test release 5.4 it would be nice
> >> that has it
> > According to the man page for pidstat, 'pidstat -d' only works with
> > 2.6.20 kernels and later. Since pidstat is not installed by the sysstat
> > package for 5.3 (which is what 2.6.18-128.* kernel is from) it is
> > probably a safe assumption that it won't work.
> >
> > --
> > Benjamin Franz
>
> I've found kernel   2.6.18-128 on
> http://www.gtlib.gatech.edu/pub/centos/5.3/updates/x86_64/RPMS/
>
> I skipped kernel-2.6.18-164.el5, so I ask again: does
> kernel-2.6.18-164.el5 support IO statistic, I already know what man
> page says :)  but I wonder if that kernel has that customization....
>
> Thanks in advance!!


It does. As Dag wrote here
http://dag.wieers.com/blog/red-hat-backported-io-accounting-to-rhel5 it
works nice with dstat. I tried it today.

Chris


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