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Setting Up and Starting the TotalView Server Because TotalView can automatically launch tvdsvr, you usually do not need to do anything special for programs that launch remote processes. When using TotalView, it doesn’t matter whether a process is local or remote. Some parallel programs—MPI programs, for example—make use of a starter program such as poe or mpirun. This program creates all the parallel jobs on your nodes. TotalView lets you start these programs in two ways. One requires that the starter program be under TotalView control, and the other does not. In the first case, you will enter the name of the starter program on the command the line. In the other, you will enter program information into the File > New Program or Process > Startup Parameter dialog boxes. Programs started using these dialog boxes do not use the information you set for single-process and bulk server launching. In general, when you are debugging programs remotely, the architecture of the remote machine must be compatible with that of the machine upon which you are running TotalView. For example, you cannot perform remote debugging on a 64-bit Linux system if you launch TotalView from a 32-bit Linux system. In addition, the operating systems must also be compatible. However, TotalView supports several forms of heterogeneous debugging, where the operating system and/or architecture differ. For example, from a Linux x86-64 session you can debug remote processes on Linux Cell. This table shows the supported combinations: Host System Target System Linux x86-64 Linux x86 Linux x86-64 Linux Power 32 Linux Power 64 / Cell SiCortex Cray XT Linux x86 Linux x86 Linux Power 32 Linux Power 64 / Cell Linux Power 64 Linux Power 32 (including Linux Cell) Linux Power 64 / Cell Blue Gene SiCortex Linux x86-64 Linux MIPS 64 You must install TotalView for each host and target platform combination being debugged. The path to TotalView must be identical on the local and all remote systems. If they are not, TotalView will not find the tvdsvr program. TotalView assumes that you will launch tvdsvr using rsh. If rsh is unavailable, you should set the TVDSVRLAUNCHCMD environment variable to the command that you use to remotely access the remote system. In most cases, this will be ssh. 82 Chapter 5: Setting Up Remote Debugging Sessions
Figure 75: File > Preferences: Launch Strings Page Setting Up and Starting the TotalView Server If the default single-process server launch procedure meets your needs and you’re not experiencing any problems accessing remote processes from TotalView, you probably do not need the information in this chapter. If you do experience a problem launching the server, check that the tvdsvr process is in your path. This section contains the following information: � “Setting Single-Process Server Launch Options” on page 83 � “Setting Bulk Launch Window Options” on page 84 � “Starting the TotalView Server Manually” on page 86 � “Using the Single-Process Server Launch Command” on page 87 � “Bulk Server Launch Setting on an SGI Computers” on page 89 � “Setting Bulk Server Launch on an HP Alpha Computer” on page 90 � “Setting Bulk Server Launch on a Cray XT Series Computer” on page 90 � “Setting Bulk Server Launch on an IBM RS/6000 AIX Computer” on page 91 � “Disabling Autolaunch” on page 91 � “Changing the Remote Shell Command” on page 92 � “Changing Arguments” on page 92 � “Autolaunching Sequence” on page 93 Setting Single-Process Server Launch Options The Enable single debug server launch check box in the Launch Strings Page of the File > Preferences Dialog Box lets you disable autolaunching, change the command that TotalView uses when it launches remote servers, and alter the amount of time TotalView waits when establishing connections to a tvdsvr process. (The Enable Visualizer launch and Source Code Editor areas are not used when setting launch options.) See Figure 75. TotalView Users Guide: version 8.7 83
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TotalView Users Guide version 8.7
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Book Overview part I - Introduction
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Contents About This Book TotalView
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Setting Preferences, Options, and X
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Installation Notes ................
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Starting Processes and Threads ....
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Displaying Allocated Arrays........
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Using Built-In Statements .........
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Figures Chapter 1: Getting Started
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Figure 76. File > Preferences: Bulk
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Chapter 13: Using Groups, Processes
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About This Book This book describes
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How to Use This Book The informatio
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Conventions and what you should cli
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Contacting Us Contacting Us Please
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Part I: Introduction This part of t
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Getting Started Figure 1: The Proce
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Getting Started Figure 3: Setting C
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Getting Started Figure 5: Diving on
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Debugging Multi-process and Multi-t
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Using Groups and Barriers Figure 10
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Introducing the CLI Introducing the
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A Couple of Processes Figure 14: A
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Threads Figure 18: Threads Threads
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Types of Threads Figure 20: Four Pr
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Organizing Chaos Figure 23: User, S
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Organizing Chaos Figure 25: Five Pr
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Creating Groups Figure 27: Step 1:
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Creating Groups Figure 30: Step 5:
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Simplifying What You’re Debugging
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Simplifying What You’re Debugging
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Page 71 and 72: Using Remote Display You can, of co
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Page 75 and 76: Figure 43: Access By Options Remote
Page 77 and 78: Figure 44: Remote Host Information
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Page 81 and 82: c h a p t e r Setting Up a Debuggin
Page 83 and 84: Starting TotalView customer_compili
Page 85 and 86: Starting TotalView If you type an e
Page 87 and 88: Starting TotalView Before Version 6
Page 89 and 90: Figure 53: Start a New Process Load
Page 91 and 92: Figure 55: Open a Core File Start a
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Page 95 and 96: Figure 59: Setting Command-Line Opt
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Page 99 and 100: Handling Signals Thread > Continuat
Page 101 and 102: Setting Search Paths Make your chan
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Page 107 and 108: Setting Preferences Dynamic Librari
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Page 111 and 112: Setting Preferences Similarly, docu
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Page 121 and 122: Starting the TotalView Server Manua
Page 123 and 124: Disabling Autolaunch Setting Bulk S
Page 125 and 126: Figure 78: Launching tvdsvr Disabli
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Page 129 and 130: c h a p t e r 6 Setting Up MPI Debu
Page 131 and 132: Figure 82: File > New Program Dialo
Page 133 and 134: Debugging MPICH Applications The MP
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Page 137 and 138: Starting MPI Issues Starting TotalV
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Page 141 and 142: Displaying the Message Queue play i
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Page 145 and 146: Debugging HP MPI Applications This
Page 147 and 148: Debugging IBM MPI Parallel Environm
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Page 151 and 152: Debugging LAM/MPI Applications the
Page 153 and 154: Debugging SiCortex MPI Applications
Page 155 and 156: Debugging Sun MPI Applications mapp
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Page 159 and 160: Debugging Parallel Applications Tip
Page 161 and 162: Debugging Parallel Applications Tip
Page 163 and 164: c h a p t e r 7 Setting Up Parallel
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Debugging OpenMP Applications � T
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Figure 95: OpenMP Shared Variable T
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Figure 96: OpenMP THREADPRIVATE Com
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Figure 98: Cell Architecture PPE PP
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Figure 100: Root Window for a Cell
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Figure 103: Register Union Debuggin
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Debugging Cray XT Applications For
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Debugging SiCortex Applications Her
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Debugging Global Arrays Application
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Debugging PVM (Parallel Virtual Mac
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Debugging PVM (Parallel Virtual Mac
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Figure 106: PVM Tasks and Configura
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Figure 107: SHMEM Sample Session
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Figure 108: A Sliced UPC Array Figu
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Figure 111: Pointer to a Shared Var
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Part III: Using the GUI The two cha
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c h a p t e r Using TotalView Windo
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Figure 112: Root Window Figure 113:
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Figure 115: Sorted and Aggregated R
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Figure 117: Line Numbers with Stop
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Figure 119: Assembly Only (Symbolic
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Figure 122: Backward and Forward Bu
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Figure 124: File > Save Pane Dialog
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c h a p t e r 9 Visualizing Program
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Command Summary Visualizing Array D
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Figure 127: A Three- Dimensional Ar
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Figure 129: Graph and Surface Visua
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Figure 130: Visualizer Graph View W
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Figure 134: A Surface View of a Sin
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Visualizing Array Data Manipulating
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Visualizing Array Data quickly see
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Visualizing Array Data different vi
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Part IV: Using the CLI The chapters
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c h a p t e r Using the CLI 10 The
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Using the CLI Interface Starting th
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# source make_actions.tcl # dload f
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About CLI Output About CLI Output A
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Using Namespaces Using Namespaces C
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How Parallelism Affects Behavior Ho
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Controlling Program Execution Typic
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c h a p t e r 11 Seeing the CLI at
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Initializing an Array Slice Initial
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Writing an Array Variable to a File
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} } Automatically Setting Breakpoin
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Part V: Debugging The chapters in t
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c h a p t e r Debugging Programs 12
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Figure 141: View > Lookup Variable
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Figure 146: View > Lookup Function
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Manipulating Processes and Threads
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Figure 150: The Threads Tab Updatin
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Why breakpoints don’t work (part
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Examining Groups Manipulating Proce
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Manipulating Processes and Threads
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Figure 155: Stepping Illustrated Us
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Executing to a Selected Line If the
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Killing (Deleting) Programs 3 Conti
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Figure 158: Tools > Debugger Loaded
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Figure 160: File > Preferences: Dyn
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Setting the Program Counter some co
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c h a p t e r Using Groups, Process
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Stepping (Part I) � Set breakpoin
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Understanding Thread Width Stepping
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Understanding Process/Thread Sets S
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Specifying Arenas Setting Process a
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Figure 163: Width Specifiers Settin
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Setting Group Focus � Lockstep Gr
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Specifier Specifies Setting Group F
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‘All’ Does Not Always Mean ‘A
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The following are some additional e
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Setting Group Focus Although the lo
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Naming Lists with Inconsistent Widt
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Using P/T Set Operators Using P/T S
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Figure 164: Group > Custom Groups D
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c h a p t e r Examining and Changin
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Figure 167: List and Vector Transfo
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Figure 169: A Tooltip Displaying Va
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Displaying Variables since the vari
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Figure 173: Variable Window Showing
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Displaying Variables Scoping Issues
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Figure 177: Program Browser and Var
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Figure 179: Diving on Local Variabl
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Figure 181: View > Examine Format >
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Figure 184: Variable Window with Ma
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Figure 185: Undive/Redive Buttons F
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Figure 188: Displaying C Structures
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Figure 190: The Tools > Expression
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Figure 193: Expression List Window
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Figure 197: Using Functions in the
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Viewing a List of Variables (or sel
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Figure 199: Using an Expression to
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Figure 200: Three Casts Changing a
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Changing a Variable’s Data Type W
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Changing a Variable’s Data Type T
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Figure 202: Displaying wchar_t Data
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Changing the Address of Variables D
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Figure 204: Displaying C++ Classes
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Figure 205: Diving on a Common Bloc
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Figure 207: Fortran 90 User- Define
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Displaying Thread Objects that has
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Figure 210: Variable Window: Showin
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c h a p t e r Examining Arrays 15 T
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Examining and Analyzing Arrays This
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Figure 213: An Array Slice and an A
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Figure 214: Array Data Filtering by
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Figure 216: Array Data Filtering by
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Figure 218: Array Statistics Window
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Figure 219: Viewing Across Threads
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Visualizing Array Data Visualizing
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c h a p t e r 16 Setting Action Poi
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Figure 222: Action Point Tab Settin
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Figure 224: Setting Breakpoints on
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Figure 227: Ambiguous Function Dial
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Figure 229: Action Point > At Locat
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Figure 232: PC Arrow Over a Stop Ic
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Setting Breakpoints and Barriers at
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Setting Breakpoints and Barriers Ab
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Setting Breakpoints and Barriers Wh
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Defining Eval Points and Conditiona
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Defining Eval Points and Conditiona
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Figure 236: Stopped Execution of Co
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Using Watchpoints Platform Assemble
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Using Watchpoints Computer Constrai
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Watching Memory Using Watchpoints A
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The following is an expression that
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c h a p t e r Evaluating Expression
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Why is There an Expression System?
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Figure 240: Expression List Window:
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Using Programming Language Elements
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Using the Evaluate Window Using the
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Figure 244: Evaluating Information
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Using the Evaluate Window Pseudo Op
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Using Built-in Variables and Statem
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Glossary ACTION POINT: A debugger f
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off the function reference to an ev
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DOPE VECTOR: This is a run time des
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INITIALIZATION FILE: An optional fi
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PARCEL: The number of bytes require
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threads. There are two kinds of ser
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SYMBOL NAME: The name associated wi
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Index Symbols # scope separator cha
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array structure viewing limitations
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context 138 description 140 empty c
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Tools > Watchpoint 10, 378 totalvie
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into a stack frame 174 into a struc
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-file command-line option to Visual
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see alsoshared libraries limitation
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expressions 275 set of arenas 259 s
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PVM groups, unrelated to process gr
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stride elements 334 UPC 158 upper b
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threads model 18 threads tab 230 th
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View > Compilation Scope commands 2
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