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Handling Signals Figure 63: File > Signals Dialog Box When your program receives a signal, TotalView stops all related processes. If you don’t want this behavior, clear the Stop control group on error signal check box on the Options Page of the File > Preferences Dialog Box. CLI: dset TV::warn_step_throw When your program encounters an error signal, TotalView opens or raises the Process Window. Clearing the Open process window on error signal check box, also found on the Options Page in the File > Preferences Dialog Box, tells TotalView not to open or raise windows. CLI: dset TV::GUI::pop_on_error If processes in a multi-process program encounter an error, TotalView only opens a Process Window for the first process that encounters an error. (If it did it for all of them, TotalView would quickly fill up your screen with Process Windows.) If you select the Open process window at breakpoint check box on the File > Preferences Action Points Page, TotalView opens or raises the Process Window when your program reaches a breakpoint. CLI: dset TV::GUI::pop_at_breakpoint 70 Chapter 4: Setting Up a Debugging Session
Setting Search Paths Make your changes by selecting one of the radio buttons described in the following table. Button Description Error Stops the process, places it in the error state, and displays an error in the title bar of the Process Window. If you have also selected the Stop control group on error signal check box, TotalView also stops all related processes. Select this button for severe error conditions, such as SIGSEGV and SIGBUS. Stop Stops the process and places it in the stopped state. Select this button if you want TotalView to handle this signal as it would a SIGSTOP signal. Resend Sends the signal back to the process. This setting lets you test your program’s signal handling routines. TotalView sets the SIGKILL and SIGHUP signals to Resend since most programs have handlers to handle program termination. Ignore Discards the signal and continues the process. The process does not know that something raised a signal. Do not use Ignore for fatal signals such as SIGSEGV and SIGBUS. If you do, TotalView can get caught in a signal/resignal loop with your program; the signal immediately reoccurs because the failing instruction repeatedly re-executes. Starting TotalView Setting Search Paths EXECUTABLE_PATH Variable If your source code, executable, and object files reside in different directories, set search paths for these directories with the File > Search Path command. You do not need to use this command if these directories are already named in your environment’s PATH variable. CLI: dset EXECUTABLE_PATH These search paths apply to all processes that you’re debugging. (See Figure 64 on page 72.) TotalView searches the following directories in order: 1 The current working directory (.) and the directories you specify with the File > Search Path command, in the exact order you enter them. 2 The directory name hint. This is the directory that is within the debugging information generated by your compiler. 3 If you entered a full path name for the executable when you started TotalView, TotalView searches this directory. TotalView Users Guide: version 8.7 71
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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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Page 52 and 53: Organizing Chaos Figure 23: User, S
Page 54 and 55: Organizing Chaos Figure 25: Five Pr
Page 56 and 57: Creating Groups Figure 27: Step 1:
Page 58 and 59: Creating Groups Figure 30: Step 5:
Page 60 and 61: Simplifying What You’re Debugging
Page 62 and 63: Simplifying What You’re Debugging
Page 65 and 66: c h a p t e r Getting Started with
Page 67 and 68: Figure 36: Remote Display Client Se
Page 69 and 70: Figure 38: Asking for Password Usin
Page 71 and 72: Using Remote Display You can, of co
Page 73 and 74: Figure 42: Local Data in a Stack Fr
Page 75 and 76: Figure 43: Access By Options Remote
Page 77 and 78: Figure 44: Remote Host Information
Page 79 and 80: Figure 47: Saving a Profile Figure
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
Page 93 and 94: Figure 57: Thread > Continuation Si
Page 95 and 96: Figure 59: Setting Command-Line Opt
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Page 99: Handling Signals Thread > Continuat
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Page 105 and 106: Figure 66: File > Preferences Dialo
Page 107 and 108: Setting Preferences Dynamic Librari
Page 109 and 110: Setting Preferences Pointer Dive Th
Page 111 and 112: Setting Preferences Similarly, docu
Page 113 and 114: c h a p t e r 5 Setting Up Remote D
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Page 119 and 120: Figure 77: Manual Launching of Debu
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
Page 127 and 128: Figure 80: Debugging Session Over a
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
Page 135 and 136: Debugging MPICH Applications 4 Afte
Page 137 and 138: Starting MPI Issues Starting TotalV
Page 139 and 140: Figure 86: Tools > Message Queue Gr
Page 141 and 142: Displaying the Message Queue play i
Page 143 and 144: Figure 90: Message Queue Window Sho
Page 145 and 146: Debugging HP MPI Applications This
Page 147 and 148: Debugging IBM MPI Parallel Environm
Page 149 and 150: Debugging IBM MPI Parallel Environm
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Debugging LAM/MPI Applications the
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Debugging SiCortex MPI Applications
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Debugging Sun MPI Applications mapp
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Figure 91: Group > Attach Subset Di
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Debugging Parallel Applications Tip
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Debugging Parallel Applications Tip
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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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