HP LoadRunner Tutorial

HP LoadRunner for the Windows operating systems Software Version: 9.00 Tutorial Document Number: LRTUT9.00/01 Document Release Date: June 2007 Software Release Date: June 2007 Legal Notices Warranty The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. The information contained herein is subject to change without notice. Restricted Rights Legend Confidential computer software. Valid license from HP required for possession, use or copying. Consistent with FAR 12.211 and 12.212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commercial Items are licensed to the U.S. Government under vendor's standard commercial license. 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To find more information about access levels, go to: www.hp.com/managementsoftware/access_level To register for an HP Passport ID, go to: www.managementsoftware.hp.com/passport-registration.html 4Table of Contents Welcome to the LoadRunner Tutorial ..................................................9 Chapter 1: Introducing LoadRunner...................................................11 Why should you automate performance testing? .............................12 What are the LoadRunner components? ............................................12 Understanding LoadTerminology..........................................13 What is the load testing process?........................................................13 Getting Familiar with HP Tours ..........................................................14 Application Requirements...................................................................15 Chapter 2: The Power of LoadRunner ................................................17 Creating the Load Test ........................................................................18 Running the Load Test ........................................................................21 Monitoring the Load Test ...................................................................22 Analyzing Results ................................................................................24 Chapter 3: Building Scripts .................................................................27 Introducing the Virtual User Generator (VuGen)...............................27 How do I start recording user activities?.............................................28 Using VuGen Wizard Mode ................................................................30 How do I record a business process to create a script? .......................31 How do I view the script?....................................................................35 Chapter 4: Playing Back Your Script ...................................................39 How do I set the run-time behavior? ..................................................39 How do I watch my script running in real time? ...............................43 Where can I view information about the replay?...............................45 How do I know if my test passed?.......................................................47 How do I search in or filter the results?..............................................48 Chapter 5: Solving Common Playback Problems ...............................53 Preparing HP Tours for Playback Errors ..............................................54 How do I work with unique server values?.........................................54 5Table of Contents Chapter 6: Preparing a Script for Load Testing..................................59 How do I measure business processes?................................................60 How do I emulate multiple users?.......................................................63 How do I verify Web page content?....................................................66 How can I produce debugging information?......................................69 Did my test succeed?...........................................................................71 Chapter 7: Creating a Load Testing Scenario.....................................73 Introducing the LoadRunner Controller.............................................74 What mixture of users should be part of the load test? .....................76 The Controller Window at a Glance...................................................78 How do I generate a heavy load? ........................................................79 How do I emulate real load behavior? ................................................80te different types of users?.........................................85 How do I monitor the system under load?.........................................88 Chapter 8: Running The Load Test .....................................................91 The Controller Run View at a Glance .................................................92 How do I run a load test scenario?......................................................93 How do I monitor the application under load?..................................95 How do I watch a user running in real time? .....................................97 Where can I view a summary of user actions?....................................98 How can I increase the load during the test?......................................99 How is the application coping under load?......................................100 Did the application encounter errors? ..............................................101 How do I know that the test has finished running?.........................103 Did the application perform well under load? .................................103 Chapter 9: Advanced Goal-Oriented Scenario .................................105 Which goal type should I use?..........................................................106 How do I create a goal-oriented scenario? ........................................107 The Controller Window at a Glance (Goal-Oriented Scenario) .......108 How do I define the goal? .................................................................109 How do I determine load behavior?..................................................111 Which online graphs should I monitor? ..........................................113 How do I run a goal-oriented scenario?............................................114 Did I achieve my goal?......................................................................117 6Table of Contents Chapter 10: Analyzing Your Scenario...............................................119 How does an analysis session work? .................................................120 How do I start my analysis session?..................................................121 The Analysis Window at a Glance ....................................................122 The Summary Report.........................................................................123 Did my server perform well? .............................................................127 How can I pinpoint the source of the problem?...............................132 What other information can I gather about my scenario run?........136ublish my findings? .......................................................138 Conclusion ........................................................................................141 7Table of