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Analysis and real-time performance tests of QNX and VxWorks

CHENG Fei,MIAO Ke-jian,WANG Rui-min(College of Computer Science,Northwestern Polytechnical University,Xi’an 710072,China)  
The complex application of measuring and controlling requires high performance of real-time.The performances of real-time operating system largely depend on the real-time operating system which you choose when the hardware is confirmed.The characteristics of QNX RTOS v6.1 and VxWorks AE 1.1 are systematically analyzed.The indications of real-time performance of these two operating systems are tested and compared.The results of tests show that VxWorks AE 1.1's real-time performance is not match for QNX RTOS v6.1.
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