Early Application of Computer Program Systems Integration, Test and Performance Measurement

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1 Early Application of Computer Program Systems Integration, Test and Performance Measurement Tom Sobieralski Computer Sciences Corporation NDIA Systems Engineering Conference October 23-26, 2006 Copyright 2004 Computer Sciences Corporation. All rights reserved. 10/26/ :36:59 AM 1

2 Agenda Background System Integration, Test and Performance Measurement Summary 10/26/ :36:59 AM 2

3 Background 10/26/ :36:59 AM 3

4 What is Computer Programs System Integration, Test and Performance Measurement? The ability to verify the interfaces, functions and measure performance of two or more computer programs on the target hardware suite and operating environment. 10/26/ :36:59 AM 4

5 Catalyst for Early Computer Program System Integration, Test and Performance Measurement Introduction of COTS hardware Conversion of legacy software to new languages System complexity with multiple hardware and operating environments 10/26/ :36:59 AM 5

6 Software Development Process System Definition & Design Computer Program Definition & Design Computer Program Implementation Computer Program Testing System Integration Testing Operational Reqts Definition System Reqts Definition Element Reqts Definition FB AB Development Phases System Requirements Analysis/Design Software Requirements Analysis Preliminary Design Detailed Design SDR PDR Coding & CSU Testing CSC Integration & Testing CSCI Testing System Integration & Testing PB Operational Tests System Demo & System Qual Test System T&E, MEIT CPAP MRP PRIME Responsibility CP Performance Reqts Definition CDR Engineering Test & Evaluation CSC Responsibility HDR Computer Program Design DDR Element CP Integration & Test TPR Comp Program Detailed Design Unit Test Code CR IPR 10/26/ :36:59 AM 6

7 Multi-Processor Environments Legacy AN/UYKs COTS Processors Single Board Computers (SBCs) Symetric Multi-Processors (SMPs) AN/UYK-43 COTS Processor Cabinet Operator Console User Display Console 10/26/ :36:59 AM 7

8 Multi-Operating Environments Legacy Aegis Tactical Executive System (ATES) COTS Concurrent Powermax Sun Solaris Red Hawk Linux LynxOS 10/26/ :36:59 AM 8

9 Multi-Computer Programming Languages Legacy Compiler Monitor System -2 (CMS-2) New Ada C/C++ Java C/C++ 10/26/ :36:59 AM 9

10 System Integration, Test and Performance Measurement 10/26/ :36:59 AM 10

11 Process Improvement Incremental System Integration, Test and Performance Measurement during the software development process Improve System Stability Identification and Resolution of Issues and Errors Significantly reduce Engineering Test & Evaluation failure rates Processes and Procedures QA reviewed and approved CSC DMEI DE CMMI Level 5 10/26/ :36:59 AM 11

12 Software Development Process System Definition & Design Computer Program Definition & Design Computer Program Implementation Computer Program Testing System Integration Testing Operational Reqts Definition System Reqts Definition Element Reqts Definition FB AB Development Phases System Requirements Analysis/Design Software Requirements Analysis Preliminary Design Detailed Design SDR PDR Coding & CSU Testing CSC Integration & Testing CSCI Testing System Integration & Testing PB Operational Tests System Demo & System Qual Test System T&E, MEIT CPAP MRP PRIME Responsibility CP Performance Reqts Definition CDR Engineering Test & Evaluation CSC Responsibility HDR Computer Program Design Comp Program Detailed Design DDR Code CR Element CP Integration & Test Unit Test IPR TPR System Integration, Test and Performance Measurement 10/26/ :36:59 AM 12

13 System Integration Verify Computer Program Interfaces Interface Matrix Validate and maintain operability of system hardware and operating environments Hardware, OE, Computer Program Interface issues resolved during the computer program development phase 10/26/ :36:59 AM 13

14 System Integration continued Integration issues tracking and reporting Integration Issue resolution prior to computer program delivery System Integration Build ISSUES FOUND ISSUES CLOSED Totals /26/ :36:59 AM 14

15 System Test Development and Regression Functional Testing Documentation Plans Procedures Execution Utilizing two or more computer programs Multiple hardware and operating environments 5% to 10% Improvement of Engineering Test & Evaluation 10/26/ :36:59 AM 15

16 System Test continued Test error reporting and tracking Test error resolution prior to computer program delivery System Test Issues LOW M ED IU M HIGH C a p a b i l i t y 10/26/ :36:59 AM 16

17 System Performance Measurement CPU and Memory Utilization Thread and Response Timing Measurement Tools Legacy ATES Data Recording COTS UNIX TOP and Kernel Trace Concurrent Nightview LynxOS Spyker Standard scenario Function and information loading Repeatable 10/26/ :36:59 AM 17

18 System Performance Measurement continued Performance Measurement Abnormalities CPU and Memory Utilization Increase CPU Utilization Spikes Memory Leaks Slow Thread or Response 10/26/ :36:59 AM 18

19 System Performance Measurement CPU Utilization U s e r /S y s e m C P U U tiliz a tio n Sys User User+Sys T i m e ( A u g R u n ) 10/26/ :36:59 AM 19

20 System Performance Measurement Memory Utilization User Process M em ory ja va tim e s e rvic e s system control Memory ( Mem) :4 6 :32 9:48:37 9 :5 0 : 4 2 9:52:48 9:5 4:53 9 :5 6 : :5 9:03 10:01: :03: :05:1 9 10:07: :09:3 0 10:11:35 Tim e (Aug-29-Run) 10/26/ :36:59 AM 20

21 1 0 : 11:35 System Performance Measurement Memory Leak Free M emory /26/ :36:59 AM 21 Memory (Meg) 9 :4 6: 32 9:48:37 9 :5 0 : :52:48 9:54:53 9:56:5 8 9 :59:03 10:01: : 0 3 : : 05:19 10:0 7 : : 0 9 :3 0 Tim e (Aug-29-Run) P1

22 System Performance Measurement continued Performance Measurement issues resolved before computer program delivery 10% to 20% CPU Utilization Improvement 10/26/ :36:59 AM 22

23 Summary Incremental System Integration, Test and Performance Measurement Issue and Error resolution during the computer program development phase Improved Computer System Stability and Performance Cost Effective by identifying and resolving issues during the computer program development phase 10/26/ :36:59 AM 23

24 Tom Sobieralski Project Manager Computer Sciences Corporation 304 West Route 38 Moorestown, New Jersey Voice: (856) /26/ :36:59 AM 24

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