• Page iiiPreface
  • Page viiContents
  • Page 3INTRODUCTION TO DEBUGGING
  • Page 18How to Use VM/370 Facilities to Debug
  • Page 31Summary of VM/370 Debugging Tools
  • Page 37Comparison of CP and C!VIS Facilities for Debugging
  • Page 38An Overview of VM/370 Commands that Can BeUsed for Debugging
  • Page 42Debugging CP on a Virtual Machine
  • Page 42CP Internal Trace Table

  • Page 44Reading CP Abend Dumps

    • Page 44Reading CP Abend Dumps
    • Page 44REASON FOR THE ABEND
    • Page 46REGISTER USAGE
    • Page 46SAVE AREA CONVENTIONS

    • Page 48VIRTUAL AND REAL CONTROL BLOCK STATUS

      • Page 48VIRTUAL AND REAL CONTROL BLOCK STATUS
      • Page 48VMBLOK
      • Page 49Figure 9: CP control block relationships
      • Page 51VCHBLOK
      • Page 52VCUBLOK
      • Page 52VDEVBLOK
      • Page 54RCHBLOK
      • Page 55RCUBLOK
      • Page 55RDEVBLOK
      • Page 58Figure 10. CP Device Classes, Types, Models, and Feature
    • Page 61IDENTIFYING AND LOCATING A PAGEABLE MODULE
    • Page 61VMDUMP RECORDS: FORMAT AND CONTENT

  • Page 64Debugging with CMS

    • Page 64Debugging with CMS
    • Page 64CMS Debugging Commands
    • Page 66Nucleus Load Map
    • Page 68Load Map
    • Page 68Reading CMS Abend Dumps
    • Page 70Figure 12. CMS Control Blocks

  • Page 73Part 2. Control Program (CP)

    • Page 73Part 2. Control Program (CP)

    • Page 75VM/370

      • Page 75VM/370
      • Page 75Introduction to the VM/370 Control Program
      • Page 83Program States
      • Page 84Using Processor Resources
      • Page 86Interruption Handling

    • Page 87Performance Guidelines

      • Page 87Performance Guidelines
      • Page 88General Information
      • Page 89Virtual Machine I/O
      • Page 90Paging Considerations
      • Page 93VM/370 Performance Options
      • Page 99VM/370Extended Co-ntro-I .. P-rog-ram Support (ECPS)

    • Page 107Performance Observation and Analysis

      • Page 107Performance Observation and Analysis
      • Page 107Load Indicators
      • Page 114The MONITOR Command
      • Page 128LOAD ENVIRONMENTS OF VM/370

    • Page 131Accounting Records

      • Page 131Accounting Records
      • Page 131Accounting Records for Virtual Machine ResourceUsage
      • Page 131Accounting Records for Dedicated Devices andTemporary Disk Space
      • Page 132Accounting Records for LOGON, AUTOLOG, andLINK Journaling
      • Page 133Accounting Records Created by the User
      • Page 134Operational Notes
      • Page 134User Accounting Options

    • Page 136Generating Saved Systems

      • Page 136Generating Saved Systems
      • Page 136The NAMESYS Macro for Saved Systems
      • Page 138Using the SAVESYS Command
      • Page 139Shared Segments
      • Page 139Discontiguous Saved Segments
      • Page 144Shared Segment Protection

    • Page 147The Virtual Machine Communication Facility

      • Page 147The Virtual Machine Communication Facility
      • Page 148Figure14. Virtual Machine Communication Facility (VMCF) Subfunctions
      • Page 149Using the Virtual Machine Communication Facility
      • Page 152VMCF Protocol
      • Page 157Descriptions of VMCF Subfunctions
      • Page 163Invoking VMCF Subfunctions
    • Page 177Special Message Facility
    • Page 178VM/370 Use of the IBM 3850 MSS
    • Page 183Timers In a Virtual Machine
    • Page 186CP In Attached Processor Mode

    • Page 190DIAGNOSE Instruction In a Virtual Machine

      • Page 190DIAGNOSE Instruction In a Virtual Machine
      • Page 191DIAGNOSE Code X'OO' -- StoreExtended-Identification Code
      • Page 192DIAGNOSE Code X'04' -- Examine Real Storage
      • Page 192DIAGNOSE Code X'08' -- Virtual Console Function
      • Page 194DIAGNOSE Code X'OC' -- Pseudo Timer
      • Page 194DIAGNOSE Code X'1 0' -- Release Pages
      • Page 195DIAGNOSE Code X'14'Manipulation
      • Page 198DIAGNOSE Code X'18' --Standard DASD I/O
      • Page 199DIAGNOSE Code X'1 C' -- Clear Error RecordingCylinders
      • Page 199DIAGNOSE Code X'20' -- General I/O
      • Page 200DIAGNOSE Code X'24' -- Device Type and Features
      • Page 202DIAGNOSE Code X'28' -- Channel ProgramModification
      • Page 203DIAGNOSE Code X'2C' -- Return DASD Start ofLOGREC
      • Page 204DIAGNOSE Code X'30' -- Read One Page of lOGRECData
      • Page 204DIAGNOSE Code X'34' -- Read System Dump SpoolF i I e
      • Page 205DIAGNOSE Code X'38' -- Read System Symbol Table
      • Page 205DIAGNOSE Code X'3C' -- VM/370 Directory
      • Page 205DIAGNOSE Code X'48' -- Issue SVC 76 From a Second, Level VM/370 Virtual Machine
      • Page 205DIAGNOSE Code X'4C' -- Generate AccountingRecords for the Virtual User
      • Page 209DIAGNOSE Code X'50' -- Save the 370X ControlProgram Image
      • Page 209DiAGNOSE Code X'54' -- Control the Function of thePA2 Function Key
      • Page 209DIAGNOSE Code X'58' -- 3270 Virtual ConsoleInterface
      • Page 210DIAGNOSE Code X'5C' -- Error Message Editing
      • Page 211DIAGNOSE Code X'60' -- Determining the VirtualMachine Storage Size
      • Page 211DIAGI\JOSE Code X'64' -- Finding; Loading!' andPurging a Named Segment
      • Page 213DIAGNOSE Code X'68' -- Virtual MachineCommunication Facility (VMCF)
      • Page 214DIAGNOSE Code X'74' -- Saving or Loading a 3800Named System
      • Page 215DIAGNOSE Code X'78' -- MSS Communication
      • Page 216DIAGNOSE Code X'84' -- Directory update in place

    • Page 223CP Conventions

      • Page 223CP Conventions
      • Page 223CP Coding Conventions
      • Page 226CP Loadlist Requirements
    • Page 227How to Add a Console Function to CP

    • Page 227Print Buffers and Forms Control

      • Page 227Print Buffers and Forms Control
      • Page 234Forms Control Buffer
      • Page 229Adding New Print Buffer Images
      • Page 2353203 Model 4 and 5 Printer Forms Control and PrintBuffer

    • Page 237IBM 3800 Pri nting Subsystem

      • Page 237IBM 3800 Pri nting Subsystem
      • Page 238Using the 3800 Printer as a Dedicated Device
      • Page 239Using the 3800 Printer as a Real Spooling Device
    • Page 242Suppressing Passwords Entered on theCommand-Line
    • Page 241J ou·rna ling LOGO N, AUTO LOG, and LI N KCommands

  • Page 243Part 3. Conversational Monitor System (CMS)

    • Page 243Part 3. Conversational Monitor System (CMS)
    • Page 244Introduction to CMS
    • Page 247Interrupt Handling In eMS

    • Page 252Functional Information

      • Page 252Functional Information
      • Page 252Register Usage
      • Page 252Structure of DMSN UC
      • Page 253Structure of eMS Storage
      • Page 254Figure 26. Devices Supported by a CMS Virtual Machine
      • Page 257fiqure 27. CM S Storaqe Map
      • Page 255Free Storage Management
      • Page 267CMS Handling of PSW Keys
      • Page 268CMS SVC Handling
      • Page 279CMS Interface for Display Terminals
      • Page 281How to Add a Command or EXEC Procedure toeMS
      • Page 282OS Macro Simulation under eMS
      • Page 298DOS /VS Support under eMS
      • Page 329Saving the CMS System
    • Page 339Assembler Virtual Storage Requirements
    • Page 339Overlay Structures

  • Page 343Part 4. Remote Spooling CommunicationsSubsystem (RSCS)

    • Page 343Part 4. Remote Spooling CommunicationsSubsystem (RSCS)
    • Page 345Introduction to RSCS
    • Page 346VM/370 Spool System Interface
    • Page 346RSCS Command Language
    • Page 348Structure of RSCS Virtual Storage
    • Page 349RSCS Supervisor
    • Page 351Functional Information
    • Page 354Rses Message Handling
    • Page 354Interruption Handling
    • Page 356Logging I/O Activity

  • Page 359Appendixes

    • Page 359Appendixes
    • Page 361Appendix A: System/370 Information
    • Page 364Appendix B: M U L TI-LEAVI N G
    • Page 373Appendix C: VM Monitor Tape Format andContent
  • Page 383Index

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