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Preemptible Linux: A Reality Check
Recently at the July 2001 meeting of The Real-time and Embedded
Systems Forum (The Open Group) in Austin, Texas, Michael Tiemann (CTO
of Red Hat) raised a number of concerns about the MontaVista
preemptible kernel technology, including it's probable longevity, the
overall viability of having Linux provide real-time capabilities, and
the cost of maintenance of this patch. MontaVista Software would like
to let the facts speak to these concerns.
The MontaVista Software preemptible kernel patch for x86-based systems
improves process level responsiveness in Linux 2.4 by a factor of
twenty. The patch is very small (only 1000 lines in length)...
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Kevin Morgan, Vice President, Engineering, MontaVista Software Inc.
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POSIX Real-time Testing: A Whitepaper
As we move forward to the Post-PC era where small footprint devices
are becoming prevalent there is a need for increased testing capability.
This white paper looks at an approach for testing such devices
implementing the Real-time POSIX subsets. It
provides a high level description of the current test suites that are
available and describes the test methodology, the functional coverage
and the test architecture....
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Andrew Josey, Director of Certification, The Open Group.
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