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Analyzer Work Statistics (Diagrams)
Analyzer Diagnostics
General Analysis (C++)
General Analysis (C#)
General Analysis (Java)
Diagnosis of micro-optimizations (C++)
Diagnosis of 64-bit errors (Viva64, C++)
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Additional information

Analyzer Work Statistics (Diagrams)

Dec. 20, 2018


The PVS-Studio analyzer provides a work statistics gathering feature to see the number of detected messages (including suppressed ones) across different certainty levels and rule sets. Gathered statistics can be filtered and represented as a diagram in a Microsoft Excel file, showing the change dynamics for messages in the project under analysis.

Gathering analyzer launch statistics

PVS-Studio can save launch statistics when analyzing source code through the Microsoft Visual Studio plugin (supported in versions starting with Visual Studio 2010). To enable the statistics saving feature, use the 'Save Solution Statistics' option available on the 'Specific Analyzer Settings' page which can be accessed through the 'PVS-Studio|Options...' menu item of the plugin.

The statistics are saved in the folder '%AppData%/PVS-Studio/Statistics'. For each analyzed Visual Studio solution, an associated subfolder is created with the same name. For each solution analysis launch, once the analysis is over, an individual statistics file is created which contains the analysis results (when analyzing Visual Studio projects from the command line, the statistics are also collected). The statistics file contains the information about the number of output messages (both new and old ones hidden by means of the message suppression mechanism) in each PVS-Studio rule set (General Analysis, Optimization, 64-bit Analysis), for each error and error certainty level. Messages marked as false positives are not included into the statistics.

Each Visual Studio solution analysis launch is saved into an file, which is a usual zip archive containing a simple-format xml file. Thanks to the open format, you can interpret these files on your own or use the PVS-Studio plugin's UI, which is described in detail further in this article.

Statistics filtering and representation in Microsoft Excel

PVS-Studio provides an interface to filter the gathered analysis launch statistics and represent them by means of Microsoft Excel.

To use this dialog, you need to have Microsoft Excel (2007 or better) installed on your computer as well as the Visual Studio Tools for Office runtime (installed together with the Visual Studio IDE by default).

You can open the statistics filtering dialog by clicking on the 'PVS-Studio|Analysis Statistics...' menu item (also available in C and C++ Compiler Monitoring UI):


Figure 1 - PVS-Studio analyzer launch statistics filtering dialog

The 'Include Suppressed Messages' checkbox allows showing/hiding suppressed analyzer messages. Messages disabled on the Detectable Errors (PVS-Studio|Options...) settings page are also filtered off when making the Excel document (but statistics files themselves contain the complete information about all the error codes).

The PVS-Studio statistics filtering dialog includes only the "freshest" data per day. That is, if you ran analysis several times during the day, only the latest statistics file will be used (it is specified in the xml statistics file). However, the complete statistics are saved for every launch and can be found in the folder '%AppData%/PVS-Studio/Statistics/%SolutionName%', if necessary.

Once you have selected the required solutions in the list, set up the filters, and specified the time span you want to see the statistics for, an Excel document with the corresponding statistics data is created and can be opened by clicking on the 'Show in Excel' button (Figure 2).


Figure 2 - Statistics across message rule sets

The 'statistics across message rule sets' diagram shows the change dynamics for the total number of messages for each of the analyzer's rule sets, according to the filters set up previously.

Though opened through the PVS-Studio dialog, these diagrams are ordinary Excel documents providing the complete functionality of Excel's interface (filtering, scaling, etc.) and can be saved for further use.

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