Collect Coverage for Code

Measure coverage for code in model elements or generated from models

Simulink^® Coverage™ measures code coverage and indicates the untested elements of your design. You can collect coverage for the C/C++ code in supported model elements, MATLAB^® Function blocks, or the code generated from models in software-in-the-loop (SIL) mode or processor-in-the-loop (PIL) mode. Simulink Coverage measures several types of code coverage analysis, such as statement, condition, decision, and modified condition/decision coverage.

Functions

`slcovmex`	Build coverage-compatible MEX-function from C/C++ code
`cvtest`	Create model coverage test specification object
`cvsim`	Simulate and return model coverage results for test objects

Model Settings

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Coverage

Enable coverage analysis	Analyze coverage
Scope of coverage analysis	Set scope of coverage analysis
Select Models	Select models to include in coverage analysis
Select Subsystem	Select subsystem to include in coverage analysis
Include in analysis: MATLAB files	Enable coverage for external MATLAB files
Include in analysis: C/C++ S-functions	Analyze coverage for C/C++ S-Function blocks
Structural coverage level	Types of coverage to analyze
Save last run in workspace variable	Save results of most recent coverage analysis to MATLAB workspace
cvdata object name	Name of workspace variable that contains coverage results
Increment variable name with each simulation	Create new coverage data variable for each simulation
Autosave data file name	File name for coverage data file
Restrict coverage recording interval	Analyze coverage during a specific time interval
Coverage interval start time	Simulation time to begin coverage analysis
Coverage interval stop time	Simulation time to stop coverage analysis

Topics

Code Coverage Basics

Types of Code Coverage
Perform several types of code coverage analysis for the code within supported Simulink elements or for code generated from models in SIL mode or PIL mode.
Specify Code Coverage Options
Set options for code coverage.

Coverage for MATLAB Code Used in Simulink

Model Coverage for MATLAB Functions
Use model coverage for MATLAB Function blocks and interpret the results.
Coverage for MATLAB Function Blocks
This example explains how Model Coverage relates to MATLAB® code inside a MATLAB Function Block.

Coverage for Integrated C/C++ Code

Coverage for Models with Code Blocks and Simulink Blocks
Record coverage for models with a combination of code blocks and other Simulink blocks.
Coverage for Custom C/C++ Code in Simulink Models
Analyze model coverage for C/C++ S-Functions.
View Coverage Results for Custom C/C++ Code in S-Function Blocks
View coverage results for the C/C++ code in S-Function blocks in your model.

Coverage for Generated Code

Code Coverage for Models in Software-in-the-Loop (SIL) Mode and Processor-in-the-Loop (PIL) Mode
Configure code coverage for SIL and PIL simulations and review results.
View and Filter Code Coverage Results Using the Code Pane
This example shows how to view code coverage results and justify code coverage outcomes directly from the Code pane in Simulink®.

Featured Examples

Software-in-the-Loop Code Coverage

Collect code coverage metrics from a model reference using software-in-the-loop (SIL) mode.

Open Model

Collect Code Coverage Metrics with Simulink Coverage

Collect code coverage metrics.

Open Live Script

Use Justification Rules to Filter Code Coverage Outcomes

Filter code coverage outcomes in the coverage report after collecting coverage for a model in software-in-the-loop (SIL) or processor-in-the-loop (PIL) mode.

Open Model

Coverage for S-Functions

Configure an S-Function generated with the Legacy Code Tool to be compatible with coverage. The model coverage tool supports S-Functions that are:

Open Script