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% Registration Usage of Virtualized GNU/Linux to Support Binary
% Testing Across Multiple Distributions
% Proposal Gordon McFadden (gordon.mcfadden@intel.com)
In this paper, we will discuss how we created a test
environment using a single high-end test host that
implemented multiple test hosts. The test environment
enabled the testing of software running on different
Linux distributions with different kernel versions.
This approach improved test automation, avoided capital
expenditures and saved on desktop real-estate. We
employed a version of Gentoo Linux with a modified 2.6
kernel, along with multiple instances of different
distributions and version of Linux running on User Mode
Linux (UML). The particular tests involved are related
to the Linux Standards Base, but the concept is
applicable to many different environments.
We will describe how we improved aspects of the Gentoo
kernel to improve performance. We will describe the
methods used to affect a lightweight inter UML
communications mechanism. We will also talk about the
file systems chosen for both the host OS and the UML.
Finally, we will have a brief discussion around the
benefits and limitations of this type of test
environment, and will discuss plans for future test
environments.
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