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In this topic:

•Configuration steps

•Results

•Call Site examples

 

 

Introduction

Call Stack analysis is displayed in the Profiler Timeline and Profiler Statistics Windows and it shows from where the function was called and which functions were called from this function. It is selected from Analyzer Configuration / Profiler.

Applies to all Operation modes expect Flat, because this operation mode does not record call stack.

 

 

Configuration steps

 

 

 

 

 

 

Results

Results are displayed in the Profiler Timeline and Profiler Statistics windows.

 

Call Stack analysis in the Profiler Timeline window displays:

•(Gross) Time of Sub-Functions

•Dependencies/Sequences within Operations

 

PDU - Protocol Data Unit

 

 

 

Call Stack analysis in the Profiler Statistics window displays:

•which Sub-Function contributes how much time within a certain operation, e.g. sending data (SensorData) via Ethernet using an RTE Write Port)

•the maximum Function Call Tree Depth Useful for allocating sufficient Program Stack for each OS Task.

•the sequence of Function calls within a certain Operation.

 

 

 

Export results

Note that only call stack areas that are children of normal function area are exported.

 

 

Call Site examples

1. Specified call sites in the Symbol Browser window.

 

2. Function g calls function h and only function g is configured for profiling:

 

3. Function g calls function h and both are configured for profiling: