Messages in this thread | | | Date | Thu, 13 Sep 2012 10:52:16 -0700 | From | Tejun Heo <> | Subject | Re: [PATCH REPOST RFC cgroup/for-3.7] cgroup: mark subsystems with broken hierarchy support and whine if cgroups are nested for them |
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Hello, Daniel.
On Thu, Sep 13, 2012 at 01:16:29PM +0100, Daniel P. Berrange wrote: > If you want application developers / users to understand this, then > you really need to update the Documentation/cgroups/cgroups.txt file > to provide suitable recommendations on use of hierarchies. As it > stands today it arguably encourages apps to make use of arbitrary > hierarchies. While some of the other docs (blkio-controller.txt) do > describe the limitations of their implementation, they don't ever > go as far as recommending against usage of hierarchies, which is > what you seem to be saying. > > Just printing warning messages in the logs with no docs to explain > the issues which cause the warnings is not friendly to users, and > IMHO will just lead people to ignore the warnings.
Oh yeah, we definitely need to update the docs. No doubt about it. Will do.
Thanks.
-- tejun
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