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International Conference on Advanced Computer Theory and Engineering, 4th (ICACTE 2011)

Yi Xie
Yi Xie
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From the technology proceed of the method in revising kernel technology, through created the variable poreempt_count in the process control block and modified the strategy code, by used the functional properties of the SMP structure in Linux kernel, deprivable scheduling FCA was set in the µCLinux kernel, the CPU also could schedule the process when it returned from the system space, thereby it enabled that µCLinux had the ability of deprivable real-time preemption. Finally, the revisions of the kernel context switching delay before/after modified were tested and compared, which proved that a new preemptive kernel enhanced the real-time function of µCLinux system.

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