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CURRENT FRAME: The current portion of stack memory, in the sense that it contains information about the subprocedure invocation that is currently executing. CURRENT LANGUAGE: The source code language used by the file that contains the current source location. CURRENT LIST LOCATION: The location governing what source code appears in response to a list command. DATASET: A set of array elements generated by TotalView and sent to the Visualizer. (See visualizer process on page 410.) DBELOG LIBRARY: A library of routines for creating event points and generating event logs from TotalView. To use event points, you must link your program with both the dbelog and elog libraries. DBFORK LIBRARY: A library of special versions of the fork() and execve() calls used by TotalView to debug multi-process programs. If you link your program with the TotalView dbfork library, TotalView can automatically attach to newly spawned processes. DEADLOCK: A condition where two or more processes are simultaneously waiting for a resource such that none of the waiting processes can execute. DEBUGGING INFORMATION: Information relating an executable to the source code from which it was generated. DEBUGGER PROMPT: A string printed by the CLI that indicates that it is ready to receive another user command. DEBUGGER SERVER: See tvdsvr process on page 410. DEBUGGER STATE: Information that TotalView or the CLI maintains to interpret and respond to user commands. This includes debugger modes, userdefined commands, and debugger variables. DEPRECATED: A feature that is still available but might be eliminated in a future release. DISASSEMBLED CODE: A symbolic translation of binary code into assembler language. DISTRIBUTED DEBUGGING: The action of debugging a program that is running on more than one host in a network. The hosts can be homogeneous or heterogeneous. For example, programs written with message-passing libraries such as Parallel Virtual Machine (PVM) or Parallel Macros (PAR- MACS), run on more than one host. DIVING: The action of displaying more information about an item. For example, if you dive into a variable in TotalView, a window appears with more information about the variable. DLL: Dynamic Link Library. A shared library whose functions can be dynamically added to a process when a function with the library is needed. In contrast, a statically linked library is brought into the program when it is created. 400 Glossary
DOPE VECTOR: This is a run time descriptor that contains all information about an object that requires more information than is available as a single pointer or value. For example, you might declare a Fortran 90 pointer variable that is a pointer to some other object, but which has its own upper bound, as follows: integer, pointer, dimension (:) :: iptr Suppose that you initialize it as follows: iptr => iarray (20:1:-2) iptr is a synonym for every other element in the first twenty elements of iarray, and this pointer array is in reverse order. For example, iptr(1) maps to iarray(20), iptr(2) maps to iarray(18), and so on. A compiler represents an iptr object using a run time descriptor that contains (at least) elements such as a pointer to the first element of the actual data, a stride value, and a count of the number of elements (or equivalently, an upper bound). DPID: Debugger ID. This is the ID TotalView uses for processes. DYNAMIC LIBRARY: A library that uses dynamic loading to load information in an external file at runtime. Dynamic loading implies dynamic linking, which is a process that does not copy a program and its data into the executable at compile time. For more information, see http://en.wikipedia.org/ wiki/Dynamic_linking. EDITING CURSOR: A black line that appears when you select a TotalView GUI field for editing. You use field editor commands to move the editing cursor. EVAL POINT: A point in the program where TotalView evaluates a code fragment without stopping the execution of the program. EVENT LOG: A file that contains a record of events for each process in a program. EVENT POINT: A point in the program where TotalView writes an event to the event log for later analysis with TimeScan. EXCEPTION: A condition generated at runtime that indicates that a nonstandard event has occurred. The program usually creates a method to handle the event. If the event is not handled, either the program's result will be inaccurate or the program will stop executing. EXECUTABLE: A compiled and linked version of source files EXPRESSION SYSTEM: A part of TotalView that evaluates C, C++, and Fortran expressions. An expression consists of symbols (possibly qualified), constants, and operators, arranged in the syntax of a source language. Not all Fortran 90, C, and C++ operators are supported. EXTENT: The number of elements in the dimension of an array. For example, a Fortran array of integer(7,8) has an extent of 7 in one dimension (7 rows) and an extent of 8 in the other dimension (8 columns). FIELD EDITOR: A basic text editor that is part of TotalView. The field editor supports a subset of GNU Emacs commands. TotalView Users Guide: version 8.7 401
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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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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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Page 397 and 398: Setting Breakpoints and Barriers Wh
Page 399 and 400: Defining Eval Points and Conditiona
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Page 405 and 406: Using Watchpoints Platform Assemble
Page 407 and 408: Using Watchpoints Computer Constrai
Page 409 and 410: Watching Memory Using Watchpoints A
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Page 413 and 414: c h a p t e r Evaluating Expression
Page 415 and 416: Why is There an Expression System?
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Page 419 and 420: Using Programming Language Elements
Page 421 and 422: Using the Evaluate Window Using the
Page 423 and 424: Figure 244: Evaluating Information
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Page 427 and 428: Using Built-in Variables and Statem
Page 429 and 430: Glossary ACTION POINT: A debugger f
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Page 437 and 438: PARCEL: The number of bytes require
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Page 443 and 444: Index Symbols # scope separator cha
Page 445 and 446: array structure viewing limitations
Page 447 and 448: context 138 description 140 empty c
Page 449 and 450: Tools > Watchpoint 10, 378 totalvie
Page 451 and 452: into a stack frame 174 into a struc
Page 453 and 454: -file command-line option to Visual
Page 455 and 456: see alsoshared libraries limitation
Page 457 and 458: expressions 275 set of arenas 259 s
Page 459 and 460: PVM groups, unrelated to process gr
Page 461 and 462: stride elements 334 UPC 158 upper b
Page 463 and 464: threads model 18 threads tab 230 th
Page 465 and 466: View > Compilation Scope commands 2
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