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RTiK-MP: Real-Time implant Kernel for x86-based Multi-Processor Windows
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- Authors
- Jae Guk Gwon, Chang-In Song
- Issue Date
- 2014-05
- Citation
- International Symposium on Embedded Technology (ISET) 2014, pp.89-91
- Language
- English
- Type
- Conference Paper
- Abstract
- This study addresses design and realization of RTiK-MP (Real-Time implant Kernel-Multi Processors) in order to provide real-time capabilities to the user space of the x86-based multiprocessor Windows environment. RTiK-MP utilizes x86 processor's Local APIC timer interrupt by implanting an extended kernel into Windows to support real-time execution of user threads to irrespective of the current load of Windows. By sending signals to corresponding user-space threads using the ISR(Interrupt Service Routine) and DPC(Deferred Procedure Call) mechanisms in the kernel space, each user thread is guaranteed to execute in real-time. Experimental results show that RTiK-MP guarantees real-time execution of periodic threads with up to 1ms period which is almost equal of the performance of the commercial RTX products of IntervalZero. Therefore, we believe that RTiK-MP can replace the expensive RTX products in many application domains.
- KSP Keywords
- Interrupt service routine(ISR), Kernel Space, Multi-processor, Real-time execution, current load, user space, x86 processor