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AS well as in real physical environment, time subsystem is also a vital part in the distributed virtual environment. DVMM, based on multi-nodes and achieves single system image, has faced with the challenge of the time accuracy. High Precision Event Timers which is broad supported in current Linux kernel as a system clock source and can even be used to replace of PIT and TSC, can improve the accuracy...
In virtualization environment, time system is also a vital part of the whole system just as that in real computing environment. The system of distributed virtual machine monitor (DVMM) is designed to hide the lower distributed hardware resources with the virtualization technology and provide the feature of single system image (SSI) for the upper guest operating system (GOS) and applications. For the...
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