Thanks for your report. Your idea might get more attention and have the
possibility of being implemented if you submit a specification for it.
First check whether the idea is already registered
https://launchpad.net/ubuntu/+specs, and if so, contact the
specification's drafter about your ideas.
If anyone is interested by this bug in the future, the specification was
added at https://blueprints.launchpad.net/ubuntu/+spec/unified-system-
monitoring (there is a link to the wiki there).
Mr Bacher, any comments on the blueprint would be much appreciated :)
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The History graphs really need