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Using the Process Window Figure 116: A Process Window � � � � � � � � � � � Process ID (PID) � Language of routine � Thread ID (TID) � Line number area � Thread status � Current program counter � Process status � Context menu � Process/thread switching controls � Action Points tab displayed In other windows, TotalView uses the pid.tid value to identify a process’s threads. The Threads Tab shows the threads that currently exist in a process. When you select a different thread in this list, TotalView updates the Stack Trace, Stack Frame, and Source Panes to show the information for that thread. When you dive on a different thread in the thread list, TotalView finds or opens a new window that displays information for that thread. � The Stack Trace Pane shows the call stack of routines that the selected thread is executing. You can move up and down the call stack by clicking on the routine’s name (stack frame). When you select a different stack frame, TotalView updates the Stack Frame and Source Panes to show the information about the routine you just selected. � The Stack Frame Pane displays all of a routine’s parameters, its local variables, and the registers for the selected stack frame. 170 Chapter 8: Using TotalView Windows
Figure 117: Line Numbers with Stop Icon and PC Arrow Viewing the Assembler Version of Your Code � The information displayed in the Stack Trace and Stack Frame Panes reflects the state of a process when it was last stopped. Consequently, the information that they display is not up-to-date while a thread is running. � The left margin of the Source Pane displays line numbers and action point icons. You can place a breakpoint at any line whose line number is contained within a box. The box indicates that executable code was created by the source code. When you place a breakpoint on a line, TotalView places a icon over the line number. An arrow over the line number shows the current location of the program counter (PC) in the selected stack frame. (See Figure 117.) Each thread has its own unique program counter (PC). When you stop a multi-process or multi-threaded program, the routine displayed in the Stack Trace Pane for a thread depends on the thread’s PC. Because threads execute asynchronously, threads are stopped at different places. (When your thread hits a breakpoint, the default is to stop all the other threads in the process as well.) � The tabbed area at the bottom contains a set of tabs whose information yo u can hide or display as you need it. In addition, the P+, P-, T+, and T- buttons within this area allow you to change the Process Window’s context by moving to another process or thread. The Action Points Tab with the Tabs Pane shows the list of breakpoints, eval points, and watchpoints for the process. The Processes/Ranks tab displays a grid of all of your program’s processes. The grid’s element’s shows process status and indicates the selected group. Selecting a process switches the context to the first thread in that process. The Threads Tab shows each thread and information about the thread. Selecting a process switches the context to the that thread. Viewing the Assembler Version of Your Code You can display your program in source or assembler. You can use the following commands: Source code (Default) Select the View > Source As > Source command. Assembler code Select the View > Source As > Assembler command. TotalView Users Guide: version 8.7 171
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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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c h a p t e r Getting Started with
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Figure 36: Remote Display Client Se
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Figure 38: Asking for Password Usin
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Using Remote Display You can, of co
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Figure 42: Local Data in a Stack Fr
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Figure 43: Access By Options Remote
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Figure 44: Remote Host Information
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Figure 47: Saving a Profile Figure
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c h a p t e r Setting Up a Debuggin
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Starting TotalView customer_compili
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Starting TotalView If you type an e
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Starting TotalView Before Version 6
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Figure 53: Start a New Process Load
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Figure 55: Open a Core File Start a
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Figure 57: Thread > Continuation Si
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Figure 59: Setting Command-Line Opt
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Figure 61: Root Window Showing Proc
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Handling Signals Thread > Continuat
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Setting Search Paths Make your chan
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Figure 65: Select Directory Dialog
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Figure 66: File > Preferences Dialo
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Setting Preferences Dynamic Librari
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Setting Preferences Pointer Dive Th
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Setting Preferences Similarly, docu
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c h a p t e r 5 Setting Up Remote D
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Figure 75: File > Preferences: Laun
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Figure 76: File > Preferences: Bulk
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Figure 77: Manual Launching of Debu
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Starting the TotalView Server Manua
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Disabling Autolaunch Setting Bulk S
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Figure 78: Launching tvdsvr Disabli
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Figure 80: Debugging Session Over a
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c h a p t e r 6 Setting Up MPI Debu
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Figure 82: File > New Program Dialo
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Debugging MPICH Applications The MP
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Debugging MPICH Applications 4 Afte
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Starting MPI Issues Starting TotalV
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Figure 86: Tools > Message Queue Gr
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Displaying the Message Queue play i
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Figure 90: Message Queue Window Sho
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Debugging HP MPI Applications This
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Debugging IBM MPI Parallel Environm
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Debugging IBM MPI Parallel Environm
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Page 153 and 154: Debugging SiCortex MPI Applications
Page 155 and 156: Debugging Sun MPI Applications mapp
Page 157 and 158: Figure 91: Group > Attach Subset Di
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
Page 165 and 166: Debugging OpenMP Applications � T
Page 167 and 168: Figure 95: OpenMP Shared Variable T
Page 169 and 170: Figure 96: OpenMP THREADPRIVATE Com
Page 171 and 172: Figure 98: Cell Architecture PPE PP
Page 173 and 174: Figure 100: Root Window for a Cell
Page 175 and 176: Figure 103: Register Union Debuggin
Page 177 and 178: Debugging Cray XT Applications For
Page 179 and 180: Debugging SiCortex Applications Her
Page 181 and 182: Debugging Global Arrays Application
Page 183 and 184: Debugging PVM (Parallel Virtual Mac
Page 185 and 186: Debugging PVM (Parallel Virtual Mac
Page 187 and 188: Figure 106: PVM Tasks and Configura
Page 189 and 190: Figure 107: SHMEM Sample Session
Page 191 and 192: Figure 108: A Sliced UPC Array Figu
Page 193 and 194: Figure 111: Pointer to a Shared Var
Page 195 and 196: Part III: Using the GUI The two cha
Page 197 and 198: c h a p t e r Using TotalView Windo
Page 199 and 200: Figure 112: Root Window Figure 113:
Page 201: Figure 115: Sorted and Aggregated R
Page 205 and 206: Figure 119: Assembly Only (Symbolic
Page 207 and 208: Figure 122: Backward and Forward Bu
Page 209 and 210: Figure 124: File > Save Pane Dialog
Page 211 and 212: c h a p t e r 9 Visualizing Program
Page 213 and 214: Command Summary Visualizing Array D
Page 215 and 216: Figure 127: A Three- Dimensional Ar
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Page 221 and 222: Figure 134: A Surface View of a Sin
Page 223 and 224: Visualizing Array Data Manipulating
Page 225 and 226: Visualizing Array Data quickly see
Page 227 and 228: Visualizing Array Data different vi
Page 229 and 230: Part IV: Using the CLI The chapters
Page 231 and 232: c h a p t e r Using the CLI 10 The
Page 233 and 234: Using the CLI Interface Starting th
Page 235 and 236: # source make_actions.tcl # dload f
Page 237 and 238: About CLI Output About CLI Output A
Page 239 and 240: Using Namespaces Using Namespaces C
Page 241 and 242: How Parallelism Affects Behavior Ho
Page 243 and 244: Controlling Program Execution Typic
Page 245 and 246: c h a p t e r 11 Seeing the CLI at
Page 247 and 248: Initializing an Array Slice Initial
Page 249 and 250: Writing an Array Variable to a File
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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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