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POSIX trace based behavioural reflection
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Traditional Real-Time Operating Systems (RTOS) are not designed
to accommodate application specific requirements. They address a general case
and the application must co-exist with any limitations imposed by such design.
For modern real-time applications this limits the quality of services offered to
the end-user. Research in this field has shown that it is possible to develop
dynamic systems where adaptation is the key for success. However, adaptation
requires full knowledge of the system state. To overcome this we propose a
framework to gather data, and interact with the operating system, extending the
traditional POSIX trace model with a partial reflective model. Such
combination still preserves the trace mechanism semantics while creating a
powerful platform to develop new dynamic systems, with little impact in the
system and avoiding complex changes in the kernel source code.
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Springer