[Devel] Re: [PATCH 2/2] CFS CGroup: Report usage

[Paul Menage]

On 10/22/07, Balbir Singh <balbir at linux.vnet.ibm.com> wrote:
>
> I think we also need the notion of load, like we have in cpu_acct.c

Yes, a notion of load would be good - but the "load" calculated by
cpu_acct.c isn't all that useful yet - it's just a total of the CPU
cycles used in the 10 second time interval prior to the current
interval. Something that's more analagous to the real machine load
would be nice, and I hope the numbers could be made available via CFS.

> Don't we need to do a css_get() on the cgrp to ensure that the cgroup
> does not go away if it's empty and someone does an rmdir on it?

See my other email. Yes, I think we need more here, but probably
something more generic.

Paul
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