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Using Programming Language Elements You cannot branch to a label within your program. You can instead branch to a TotalView line number. � The following expression operators are not supported: CHARACTER operators and the .EQV., .NEQV., and .XOR. logical operators. � You can’t use subroutine function and entry definitions. � You can’t use Fortran 90 pointer assignment (the => operator). � You can’t call Fortran 90 functions that require assumed shape array arguments. Fortran Intrinsics TotalView supports some Fortran intrinsics. You can use these supported intrinsics as elements in expressions. The classification of these intrinsics into groups is that contained within Chapter 13 of the Fortran 95 Handbook, by Jeanne C. Adams, et al., published by the MIT Press. TotalView does not support the evaluation of expressions involving complex variables (other than as the arguments for real or aimag). In addition, we do not support function versions. For example, you cannot use dcos (the double-precision version of cos). The supported intrinsics are: � Bit Computation functions: btest, iand, ibclr, ibset, ieor, ior, and not. � Conversion, Null and Transfer functions: achar, aimag, char, dble, iachar, ichar, int, and real. � Inquiry and Numeric Manipulation Functions: bit_size. � Numeric Computation functions: acos, asin, atan, atan2, ceiling, cos, cosh, exp, floor, log, log10, pow, sin, sinh, sqrt, tan, and tanh. Complex arguments to these functions are not supported. In addition, on MacIntosh and AIX, the log10, ceiling, and floor intrinsics are not supported. The following are not supported: � Array functions � Character computation functions. � Intrinsic subroutines If you statically link your program, you can only use intrinsics that are linked into your code. In addition, if your operating system is Mac OS X, AIX, or Linux/Power, you can only use math intrinsics in expressions if you directly linked them into your program. The ** operator uses the pow function. Consequently, it too must either be used within your program or directly linked. In addition, ceiling and log10 are not supported on these three platforms. 388 Chapter 17: Evaluating Expressions
Using the Evaluate Window Using the Evaluate Window TotalView lets you open a window to evaluate expressions in the context of a particular process and evaluate them in C, Fortran, or assembler. Not all platforms let you use assembler constructs. See “Architectures” in the TotalView Reference Guide for details. You can use the Tools > Evaluate Dialog Box in many different ways. The following are two examples: � Expressions can contain loops, so you can use a for loop to search an array of structures for an element set to a certain value. In this case, you use the loop index at which the value is found as the last expression in the expression field. � Because you can call subroutines, you can test and debug a single routine in your program without building a test program to call it. Although the CLI does not have an evaluate command, the information in the following sections does apply to the expression argument of the dbreak, dbarrier, dprint, and dwatch commands. To evaluate an expression: Display the Evaluate Dialog Box by selecting the Tools > Evaluate command. An Evaluate Dialog Box appears. If your program hasn’t yet been created, you won’t be able to use any of the program’s variables or call any of its functions. 1 Select a button for the programming language you’re writing the expression in (if it isn’t already selected). 2 Move to the Expression field and enter a code fragment. For a description of the supported language constructs, see “Using Built-in Variables and Statements” on page 394. The following figure shows a sample expression. The last statement in this example assigns the value of my_var1-3 back to my_var1. Because this is the last statement in the code fragment, the value placed in the Result field is the same as if you had just typed my_var1-3. (See Figure 242 on page 390.) 3 Click the Evaluate button. If TotalView finds an error, it places the cursor on the incorrect line and displays an error message. Otherwise, it interprets (or on some platforms, compiles and executes) the code, and displays the value of the last expression in the Result field. While the code is being executed, you can’t modify anything in the dialog box. TotalView might also display a message box that tells you that it is waiting for the command to complete. (See Figure 243 on page 390.) TotalView Users Guide: version 8.7 389
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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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Page 463 and 464: threads model 18 threads tab 230 th
Page 465 and 466: View > Compilation Scope commands 2
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