Measuring Real-Time Performance Of An RTOS - Express Logic

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ThreadX Performance • 30 Second Period – Test Iterations TM Ratio Calibration Test 11,482 - Cooperative Context Switch 1,585,032 138 Preemptive Context Switch 579,190 50 Message Processing 856,342 75 Semaphore Processing 1,566,675 136 Memory Allocation 1,501,724 131 Interrupt Handling 908,127 79 Interrupt Preemption 358,460 31 Synchronization Processing 1,766,942 154 18
How To Get The Code • Download from Express Logic’s web site: www.expresslogic.com 19
Page 1 and 2: Express Logic, Inc. © 2006, Expres
Page 3 and 4: Most Important RTOS Capabilities
Page 5 and 6: Thread-Metric: An Open RTOS Benchma
Page 7 and 8: How Are Services Measured? • Lots
Page 9 and 10: Cooperative Context Switching • T
Page 11 and 12: Interrupt Handling • Must conside
Page 13 and 14: Message Processing • A Thread sen
Page 15 and 16: Memory Allocation • Applications
Page 17: Test Environment • ARM Versatile

Measuring Real-Time Performance Of An RTOS - Express Logic

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