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Re: [pcp] pcp updates - cgroups

To: Nathan Scott <nathans@xxxxxxxxxx>
Subject: Re: [pcp] pcp updates - cgroups
From: Ken McDonell <kenj@xxxxxxxxxxxxxxxx>
Date: Thu, 24 Jun 2010 06:52:35 +1000
Cc: pcp <pcp@xxxxxxxxxxx>
In-reply-to: <1781215511.243801277289093082.JavaMail.root@xxxxxxxxxxxxxxxxxx>
References: <1781215511.243801277289093082.JavaMail.root@xxxxxxxxxxxxxxxxxx>
Reply-to: kenj@xxxxxxxxxxxxxxxx
Even with Nathan's latest changes, the cgroups metrics are not working
properly in the _absence_ of any cgroups (which is the default for my
Ubuntu systems).

$ pminfo -fdm cgroup.groups
cgroup.groups: pmLookupName: Unknown metric name

When no cgroups are mounted, then cgroup.groups has to either disappear
from the PMNS (that would be odd) or be well defined with no values.

Being in the PMNS without metadata or values is not right.


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