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RapiTime is an advanced tool for performing timing and worst-case execution time (WCET) analysis, designed specifically to work with embedded targets and to satisfy certification requirements. The timing metrics produced by RapiTime can be used to demonstrate you have satisfied DO-178B/C objectives.
RapiTime combines static and dynamic analysis of your code on target to provide you with detailed information on its timing behavior.
RapiTime lets you automate timing analysis on your embedded system so you can identify timing issues and optimize your code early in the development process, saving you future expense.
Benefits of using RapiTime
RapiTime helps you reduce the cost, time and effort you need to perform timing analysis and optimization on even the most complex and demanding safety-critical real-time embedded systems.
You can use RapiTime to automate timing data collection and analysis even on very large systems. In one case study, RapiTime produced in just one day the data that it took the customer 8 months to collect manually.
RapiTime’s minimal overhead means you can perform timing analysis in every test run, making timing information available throughout your development process. This information will help you identify timing issues early in development and minimize WCET.
RapiTime use cases
- Demonstrate that software executes within its time constraints.
- Understand timing behaviour when upgrading to new targets, even multi-core processors.
- Optimize code to upgrade legacy systems.
- Conduct WCET/high water mark analysis.
- Address DO-178B/C guidelines.
How does RapiTime work?
RapiTime performs static analysis of code and instruments it automatically. When you run your code on-target, RapiTime collects a trace of program execution that includes timing data. RapiTime then processes this trace to produce qualifiable reports of the timing behavior of your code that you can view using the RapiTime GUI.
The timing reports RapiTime produces, along with its trace rewind feature, let you quickly identify where your optimization effort will provide the greatest improvements to timing behavior.
RapiTime’s instrumentation process can be customized to suit your timing analysis needs. Whether you need to perform timing analysis with limited target memory, support for large and complex code bases, or to automate timing analysis throughout your development pipeline, RapiTime is the tool you need.
Key features of RapiTime
Third party integration
For over thirty years, Danlaw has been a global leader in connected car and automotive electronics. Our Engineering Solutions group has provided resources for embedded systems development and testing, including ECUs and vehicle network communications. Our resources include software development tools, test benches, and consulting services. Come see how Danlaw’s MxSuite test tool can power your embedded software testing - from MIL to SIL to PIL to HIL, including our seamless integration with Lauterbach emulators. MxSuite assists harnessing simulation models, C code, AUTOSAR applications, and test and measurement equipment.
Our sister company, Rapita Systems, provides deeper analysis tools for code coverage, timing analysis and task metrics for ISO 26262 compliance, DO-178/B, and DO-178/C.