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AbsInt Worst-Case Execution Time Workshop

WCET Workshop (aiT and TimeWeaver) – Basic (1st Day)

  • Learning about aspects of Functional Safety, Static Program Analysis and Soundness by Abstract Interpretation (to accomplish safety requirements in the ISO26262, DO-178B/C, IEC-61508, etc. safety standards)
  • Introduction to Timing Verification: Code Level vs. System Level Timing, Traditional approaches vs. the static analysis based approach vs. the hybrid approach.
  • Understanding the difference between the aiT WCET analyzer that computes tight bounds for the worst-case execution time (WCET) of tasks in a real-time systems and the TimeWeaver implementing a hybrid WCET analysis combining static value and path analysis with non-intrusive tracing.
  • Learning the structure of the aiT and TimeWeaver tool chain.
  • Realizing challenges for multi-core architectures (like in the modern Infineon AURIX 3xx/4xx series):
    Solve them by counting resource accesses in aiT or work with trace information automatically including interference effects such as access delays to shared resources in TimeWeaver.
  • Explaining the interactive Trace-Streaming, available for AURIX Emulation Devices only.
  • Working with Hands-On demonstrator examples for an aiT and TimeWeaver analysis project.
  • Learning the Basic Usage of the a3 GUI.
  • After completing this Basic WCET Workshop, you will have the necessary skills to:
    • Set up your own WCET analysis project in aiT/TimeWeaver
    • To produce your first WCET results and interpret them correctly
    • To use the call- and control flow graph interactively for a better understanding of the results.
    • To interpret the analysis statistics output.

WCET Workshop (aiT and TimeWeaver) – Advanced (2nd Day)

  • Special attention will be given to the possibilities of the AIS annotation language in this advanced workshop
  • More Advanced Options in Usage of the a3 GUI
  • Concept of Source Files in the a3 Tool
  • Target Processor Configuration in aiT vs. Configurations and Trace Input for TimeWeaver
  • Learning on the concept of Calling Contexts
  • Loop Transformation and Loop Contexts
  • Learning the basic AIS2 Annotation Language
    • Selecting the Analysis Scope
    • Excluding Code Snippets
    • Calls via Function Pointers
    • Indirect Calls and Branches
    • Recursions
    • Loop Bound Annotations
  • Source Code Annotations
  • aiT Pipeline State Visualization vs. TimeWeaver specific Annotations
  • Interactive Value Analysis
  • AIS Expressions
  • Learning Advanced AIS concepts to help improving Precision of Calculated WCET Result
  • ┬áMiscellaneous
    • a3 Batch Mode
    • Result Combination
  • Tool Qualification Strategies and Solutions
  • Conclusion

 

Before purchasing Training, please contact for date availability:

Robert Campbell
robert.campbell@joraltechnologies.com
(613) 851-2155

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