Manage Coverage Data

Access, manage, and aggregate coverage results

You can use Simulink® Coverage™ to access, manage, and aggregate coverage results. You can also assess testing completeness by aggregating coverage data from multiple test runs.

Apps

Coverage AnalyzerAnalyze, view, and manage coverage data for Simulink models
Coverage Results ExplorerView, manage, and filter model coverage results

Objects

cvdataAccess Simulink Coverage data in the MATLAB workspace
cv.cvdatagroupCollection of cvdata objects

Functions

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cvloadLoad coverage tests and stored results into memory
cvsaveSave coverage settings and results to file
cvresultsReturns active coverage data, clears and loads active coverage data from a file
executioninfoRetrieve execution coverage information from cvdata object
conditioninfoRetrieve condition coverage information from cvdata object
decisioninfoRetrieve decision coverage information from cvdata object
mcdcinfoRetrieve modified condition/decision coverage information from cvdata object
getCoverageInfoRetrieve coverage information for Simulink Design Verifier blocks from cvdata object
complexityinfoRetrieve cyclomatic complexity coverage information from cvdata object
overflowsaturationinfoRetrieve saturation on integer overflow coverage from cvdata object
relationalboundaryinfoRetrieve relational boundary coverage from cvdata object
sigrangeinfoRetrieve signal range coverage information from cvdata object
sigsizeinfoRetrieve signal size coverage information from cvdata object
tableinfoRetrieve lookup table coverage information from cvdata object
extractExtract subsystem coverage data from system-level coverage data
pstest.exportToPolyspaceProfilingResults(MATLAB Function) Export coverage results from Simulink Coverage, Simulink Test, or MATLAB Test to Polyspace Test (Since R2025a)

Model Settings

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Set Coverage Data Options

Save last run in workspace variableSave results of most recent coverage analysis to MATLAB workspace
cvdata object nameName of workspace variable that contains coverage results
Increment variable name with each simulationCreate new coverage data variable for each simulation
Autosave data file nameFile name for coverage data file
Output directoryPath for coverage output files
Save output dataSave coverage data results to file

Set Cumulative Coverage Options

Enable cumulative data collectionCollect model coverage results from consecutive simulations
Include cumulative data in coverage reportDisplay coverage results from consecutive simulations in coverage report
Save cumulative coverage results in workspace variableSave coverage data from consecutive simulations in a single variable
Cumulative coverage variable nameName of workspace variable that contains cumulative coverage results

Topics

Featured Examples

Basic Operation of the Model Coverage Tool

Basic Operation of the Model Coverage Tool

Use the Configuration Parameters dialog to enable coverage for a Simulink® model and adjust the type of information that is reported.

Perform Operations on Coverage Data

Perform Operations on Coverage Data

Learn how to use the Simulink Coverage union, difference, and intersection operators.

Obtain Cumulative Coverage for Reusable Subsystems

Obtain Cumulative Coverage for Reusable Subsystems

Create and view cumulative coverage results for a model with a reusable subsystem.