36 Model Window

Use the Model (What-Ifs) window to modify and model a configuration to review performance results.

The Model window has two panels:

See Also Performing Tasks from the Menu Bar Performing Tasks in the What-Ifs Panel Performing Tasks in the Configuration Panel

36.1 What-Ifs Panel

The What-Ifs panel has push buttons that represent a flow diagram of the steps you follow when you perform what-if scenarios. The push buttons let you:

There are also push buttons that let you go to the Main Window or to the Workload Analysis Window.

See Also Model Window

36.2 Network/System Configuration Panel

The Network/System Configuration panel displays a configuration. You can:

See Also Configuration Panel Overview

36.3 Network Configuration Panel

The Network Configuration panel displays a configuration. You can:

See Also Configuration Panel Overview

36.4 Performing Tasks in the What-Ifs Panel

The tasks that you can perform in the What-Ifs panel are

See Also Performing Tasks from the Menu Bar Performing Tasks in the Configuration Panel

36.4.1 Importing and Exporting Data

To import or export data:

  1. Click on the Data Import Export push button.

    The Model Data Import or Export dialog box is displayed.

  2. Follow the steps for using the Model Data Import or Export dialog box.

36.4.2 Modifying the Model

To modify the model:

  1. Click on the Modify push button.

    The Model What-If Editing dialog box is displayed.

  2. Follow the steps for using the What-If Editing dialog box.

36.4.3 Modifying Modeling Parameters

To modify the modeling parameters:

  1. Click on the Modify Parameters push button.

    The What-If Parameters Editing dialog box is displayed.

  2. Follow the steps for using the dialog box.

36.4.4 Producing a Saturation Report

To produce a saturation report, click on the Saturation Analysis push button.

Informational messages are displayed in the Session Messages window and model summary reports are written for each iteration of the model. A summary saturation report is written when the iterations are complete. The report names of the model at the currrent load and at 25%, 50%, 75%, and 100% greater load are:

The report names of the model at 25%, 50%, 75%, and 100% less load are:

The name of the overall report is SATURATION.RPT. You can look at the saturation analysis reports in the Report Writer window by selecting Read from the File menu for the window and following the steps for the File Selection dialog box.

36.4.5 Producing an Analytical Model

To produce a new model, click on the Performance Prediction push button.

An informational message is displayed.

36.4.6 Generating Reports

To generate reports:

  1. Click on one of the Report push buttons, Table or Graph.

    The Table or Graph Report Writer window is displayed.

  2. Follow the steps) for using the Table or Graph Report Writer window.

36.5 Main Window Push Button

Use the Main push button to display the Main window. You can see the flow of the modeling methodology in the Main window.

See Also Main Window

36.6 Data Import Export Push Button

Use the Data Import Export Push button to display the Model Data Import or Export dialog box. You can read and write data files.

See Also Model Data Import or Export Dialog Box

36.7 Workload Analysis Push Button

Use the Workload Analysis push button to display the Workload Analysis window. You can define and model a workload.

See Also Workload Analysis Window

36.8 Modify Push Button

Use the Modify push button to display the What-If Editing dialog box. You can adjust the workload before performing an analytical analysis.

See Also What-If Editing Dialog Box

36.9 Modify Params Push Button

Use the Modify Parameters push button to display the What-If Parameters Editing dialog box. You can adjust user growth and saturation parameters.

See Also What-If Parameters Editing Dialog Box

36.10 Saturation Analysis Push Button

Use the Saturation Analysis push button to generate a set of saturation reports. You receive a model summary report for each incremetal step that you have in the Model Options dialog box and a summary saturation report that gives the overall percent of CPU and disk utilization for each node and disk for each incremental step. See the PerfCap Capacity Planner Reference Guide for the format of the report.

See Also Producing a Saturation Report

36.11 Performance Prediction Push Button

Use the Performance Prediction push button to build a new model with the changes you made with the What-If editing boxes. You can view the information about the new model using the Report Writer window.

See Also Performing Tasks in the What-Ifs Panel

36.12 Report Push Buttons

Use the Report push buttons, Table and Graph, to display the Table and Graph Report Writer windows. You can generate various types of reports.

See Also Performing Tasks in the Table Report Writer Window Performing Tasks in the Graph Report Writer Window

36.13 Table Push Button

Use the Table push button to display the Table Report Writer window. You can generate various types of reports.

See Also Performing Tasks in the Table Report Writer Window

36.14 Graph Push Button

Use the Graph push button to display the Graph Report Writer window. You can generate various types of reports.

See Also Performing Tasks in the Graph Report Writer Window

36.15 Changing the Model

Use the Modify and Modify Params push buttons to change the model and model parameters.

See Also Modify Push Button Modify Params Push Button

36.16 Performing Modeling Functions

Use the Saturation Analysis and Performance Prediction push buttons to generate saturation reports and to build a new model containing any changes you made.

See Also Saturation Analysis Push Button Performance Prediction Push Button


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