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VTK/SoftwareQuality/NightlyExpectedBuildTestFailures

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The VTK Nightly Expected builds show the status of VTK on VTK supported platforms at a fixed time each day. Although the Gerrit Review Process and Continuous Builds attempt to catch build defects early, it is the Nightly Expected builds that show the health of VTK on a broader collection of systems. Recurring nightly failures make it difficult for a developer to see if her changes have affected the spectrum of platforms.

This experiment uses the DMAIC methodology of the Six Sigma management process to "Define", "Measure", "Analyze", "Improve" and "Control" to resolve these issues.

The basic methodology (from Wikipedia) consists of the following five steps:

  • Define process goals that are consistent with customer demands and VTK's strategy.
  • Measure key aspects of the current process and collect relevant data.
  • Analyze the data to verify cause-and-effect relationships. Determine what the relationships are, and attempt to ensure that all factors have been considered.
  • Improve or optimize the process.
  • Control to ensure that any deviations from target are corrected before they result in defects. Set up pilot runs to establish software quality, move on to production, set up control mechanisms and continuously monitor the process.

Define

Keep the number of VTK Nightly Expected recurring test failures(defects) to 0. When the defects are above 0, developers find it difficult to notice that their changes introduce new defects.

Measure

Recent summaries:

2013-02-19

2013-02-20

2013-02-21

2013-02-23

2013-02-26

2013-02-27

2013-03-02

Analyze

Test Failing Defect Assigned To

vtkFiltersParallelStatisticsCxx-MPI-TestRandomPMomentStatisticsMPI

1 Memory Leak Unassigned

vtkRenderingVolumePython-volTM3DCropRegions

1 Failing since Feb 4 Unassigned

vtkFiltersGeometryCxx-TestImageDataToUniformGrid

1 AIX only Unassigned

vtkInteractionWidgetsCxx-TestContourWidget2

1 Regression defect, small Unassigned

vtkRenderingOpenGLCxx-TestGlyph3DMapperOrientationArray

1 Regression defect AIX only Unassigned

vtkParallelMPIPython-TestPProbe

1 Python syntax Unassigned Existing gerrit topic

vtkRenderingVolumePython-TestFixedPointRayCasterNearestCropped

1 Regression defect

AIX exit

Bill

vtkRenderingParallelCxx-MPI-TestClientServerRendering

1 Failed to connect Unassigned

JavaDeleteRegression

1 Unknown Unassigned

vtkInfovisLayoutCxx-TestCirclePackLayoutStrategy

1 Regression defect, major Unassigned

JavaDeleteAndGC

1 Unknown Unassigned

vtkInteractionStylePython-TestStyleTrackballCamera

1 Regression defect AIX and OSMesa only Unassigned

vtkRenderingOpenGLCxx-TestTextureRGBADepthPeeling

1 Regression defect Intermittent Unassigned

vtkInteractionWidgetsCxx-TestPickingManagerWidgets

1 Regression defect AIX and OSMesa only Unassigned

vtkRenderingVolumePython-TestFixedPointRayCasterLinearCropped

1 Threading issues Bill

vtkRenderingOpenGLCxx-TestTextActor3DAlphaBlending

1 DASH23 X server issue. Unassigned

vtkRenderingVolumeCxx-TestHAVSVolumeMapper

1 Unknown Unassigned

vtkRenderingOpenGLCxx-TestGlyph3DMapperMasking

1 Unknown Unassigned

vtkInteractionWidgetsCxx-TestImplicitPlaneWidget2b

1 Unknown Unassigned

vtkIONetCDFCxx-SLACMultipleModes

1 Unknown Unassigned

vtkFiltersProgrammablePython-progGlyphsBySource

1 Unknown Unassigned

vtkRenderingOpenGLCxx-TestTexturedBackground

1 Unknown Unassigned

JavaManualGC

1 Unknown Unassigned

vtkInteractionStylePython-TestStyleJoystickCamera

1 Regression defect AIX and OSMesa only Unassigned

vtkChartsCorePython-TestLinePlotColors

1 Unknown Unassigned

vtkRenderingVolumeTcl-volTM3DCompressedCropRegions

1 Unknown Unassigned

vtkRenderingVolumePython-volTM3DCompressedCropRegions

1 Unknown Unassigned

vtkIOGeometryCxx-TestWindBladeReader

1 Bigendian defect Unassigned

vtkRenderingOpenGLCxx-TestOpacity

1 Unknown Unassigned

vtkFiltersGeneralCxx-TestGradientAndVorticity

1 Unknown Unassigned

vtkRenderingVolumePython-TestFixedPointRayCasterNearest

1 Threading Bill

vtkImagingCorePython-TestCheckerboard

1 Unknown Unassigned

vtkIOExportCxx-TestGL2PSExporterRaster-VerifyRasterizedPNG

1 CubeAxesActor error, used wrong buffer in GL2PS rasterization David L. -- Baselines updated, Gerrit patch pushed

vtkFiltersGeometryCxx-TestStructuredGridConnectivity

1 Unknown Unassigned

vtkInteractionWidgetsPython-TestInteractorEventRecorder

1 Unknown Unassigned

vtkRenderingVolumePython-TestFixedPointRayCasterLinear

1 Threading

vtkInteractionStylePython-TestStyleTrackballActor

1 Regression defect AIX and OSMesa only Unassigned

vtkInteractionWidgetsCxx-TestTextWidget

1 DASH23 X server issue Unassigned

JavaGCRegression

1 Unknown Unassigned

vtkRenderingParallelCxx-MPI-TestParallelRendering

1 Unknown Unassigned

vtkFiltersGeneralCxx-TestIntersectionPolyDataFilter2

1 Unknown Unassigned

vtkInteractionStylePython-TestStyleJoystickActor

1 Regression defect AIX and OSMesa only Unassigned

JavaRegression

1 Unknown Unassigned

vtkChartsCoreCxx-TestScatterPlotMatrix

1 Unknown Unassigned

vtkFiltersHyperTreeCxx-TestHyperTreeGridTernary3DGeometryMaterial

2 Unknown Unassigned

vtkRenderingCorePython-TestOpacity2

2 Unknown Unassigned

vtkRenderingVolumeCxx-TestProjectedHexahedra

2 Unknown Unassigned

vtkFiltersSelectionCxx-TestLinearSelector3D

2 incorrect cardinality Dave Demarle

vtkFiltersHybridTcl-3DMorph

2 Unknown Unassigned

vtkFiltersHyperTreeCxx-TestHyperTreeGridTernary3DAxisCut

2 Unknown Unassigned

vtkFiltersHyperTreeCxx-TestHyperTreeGridTernary3DUnstructured

2 Unknown Unassigned

vtkFiltersHyperTreeCxx-TestHyperTreeGridTernary3DClip

2 Unknown Unassigned

vtkRenderingVolumePython-volTM2DRotateClip

2 Unknown Unassigned

vtkFiltersHyperTreeCxx-TestHyperTreeGridTernarySphereMaterial

2 Unknown Unassigned

vtkRenderingOpenGLCxx-TestGaussianBlurPass

2 Unknown Unassigned

vtkFiltersHyperTreeCxx-TestHyperTreeGridTernary3DGeometry

2 Unknown Unassigned

vtkFiltersHyperTreeCxx-TestHyperTreeGridTernary3DContourMaterial

2 Unknown Unassigned

vtkFiltersHyperTreeCxx-TestHyperTreeGridTernary3DUnstructuredMaterial

2 Unknown

vtkFiltersGeneralCxx-TestDensifyPolyData

2 Unknown Unassigned

vtkRenderingCoreTcl-TestOpacity2

2 Unknown Unassigned

vtkIOMPIParallelCxx-TestPWindBladeReader

2 Bigendian defect Unassigned

vtkGUISupportQtCxx-TestQtDebugLeaksView

2 Unknown Unassigned

vtkFiltersHyperTreeCxx-TestHyperTreeGridTernary3DCut

2 Unknown Unassigned

vtkRenderingOpenGLCxx-TestTranslucentLUTTextureDepthPeeling

2 Disabled for ATI's Sean

vtkFiltersHyperTreeCxx-TestHyperTreeGridTernary3DAxisCutMaterial

2 Unknown Unassigned

vtkFiltersHybridPython-3DMorph

2 Unknown Unassigned

vtkRenderingCoreTcl-CamBlur

2 Started failing after tcl changes Bill

vtkRenderingVolumeTcl-TestFixedPointRayCasterLinearCropped

2 Threading Bill

vtkRenderingOpenGLCxx-TestTranslucentLUTDepthPeelingPass

2 Unknown Unassigned

vtkFiltersFlowPathsCxx-TestBSPTree

2 Unknown Unassigned

vtkRenderingOpenGLCxx-TestTranslucentLUTDepthPeeling

3 Unknown Unassigned

vtkChartsCoreCxx-TestLinePlot3D

3 Regression defects Marcus Gerrit topic

vtkIOExportCxx-TestGL2PSExporterVolumeRaster-VerifyRasterizedPNG

3 Regression defects that differ in various machines

volume rendering

Dave L. Gerrit

vtkFiltersHyperTreeCxx-TestHyperTreeGridTernary3DContour

4 Unknown Berk

vtkCommonCoreTcl-TestSetGet

5 Timeout Unassigned

Improve

The following Gerrit reviews addressed the defects.

Test Gerrit patch Summary

vtkCommonCoreTcl-TestSetGet

ENH: Reduce the output of TestSetGet.tcl TestSetGet.tcl produces over 6 meg of output. This patch reduces that to 50k.

Control

Once reduced to 0, developer diligence is needed to keep the defects to 0.