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Keeping time in multi-processor virtualization environments
Keeping time in multi-processor virtualization environments
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机译:在多处理器虚拟化环境中保持时间
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摘要
A virtual machine receives a request for a current time. The virtual machine determines an approximation of the current time based on readings from one of a plurality of processors and compares the approximation to a virtual machine time stamp value. If the approximation is smaller than the virtual machine time stamp value, the virtual machine returns the global time stamp value as the current time and if the approximation is not smaller than the virtual machine time stamp value, the virtual machine returns the approximation as the current time.
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