OS/390 MVS IPCS User's Guid

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| Option 6 — COMMAND . . . . . . . . . . . . . . . . . . . . 44 Option T — TUTORIAL . . . . . . . . . . . . . . . . . . . . . 45 IPCS Dialog Panels . . . . . . . . . . . . . . . . . . . . . . . 45 Selection and Data Entry Panels . . . . . . . . . . . . . . . . . 46 Pointer and Storage Panels . . . . . . . . . . . . . . . . . . . 46 Dump Display Reporter Panel . . . . . . . . . . . . . . . . . . 47 Browsing a Dump Data Set . . . . . . . . . . . . . . . . . . . . 48 Entry Panel . . . . . . . . . . . . . . . . . . . . . . . . . 49 Pointer Panel . . . . . . . . . . . . . . . . . . . . . . . . 50 Storage Panel . . . . . . . . . . . . . . . . . . . . . . . . 53 Examining 64-bit Dump Data Sets . . . . . . . . . . . . . . . . . . 59 Getting Online Help in the IPCS Dialog . . . . . . . . . . . . . . . . 63 Help Using IPCS Panels and Primary and Line Commands . . . . . . . 63 Help Entering IPCS Subcommands . . . . . . . . . . . . . . . . 64 Help Reading Formatted Dump Reports. . . . . . . . . . . . . . . 64 Help Choosing a Component Analysis Option . . . . . . . . . . . . 64 ISPF Operations on the IPCS Dialog . . . . . . . . . . . . . . . . . 64 Splitting the Display Screen . . . . . . . . . . . . . . . . . . . 64 Entering Primary and Line Commands . . . . . . . . . . . . . . . 64 Using Program Function (PF) Keys . . . . . . . . . . . . . . . . 65 Customizing the IPCS Dialog. . . . . . . . . . . . . . . . . . . . 65 Customizing the Primary Command Definitions . . . . . . . . . . . . 65 Customizing Your Program Function (PF) Keys . . . . . . . . . . . . 66 Chapter 4. Using the User and Sysplex Dump Directories . . . . . . . . 69 Using a User Dump Directory . . . . . . . . . . . . . . . . . . . 69 Using the Sysplex Dump Directory. . . . . . . . . . . . . . . . . . 70 Managing Dump Directories . . . . . . . . . . . . . . . . . . . . 70 Preparing a Dump Directory . . . . . . . . . . . . . . . . . . . 70 Maintaining a Dump Directory . . . . . . . . . . . . . . . . . . 73 Changing the Characteristics of a Dump Directory . . . . . . . . . . . 74 Using the Symbol Table. . . . . . . . . . . . . . . . . . . . . 75 Using the Storage Map . . . . . . . . . . . . . . . . . . . . . 80 Changing Your Current User Dump Directory . . . . . . . . . . . . . . 82 Administering the Sysplex Dump Directory. . . . . . . . . . . . . . . 83 Chapter 5. Describing Storage in a Dump . . . . . . . . . . . . . . 85 Categories of Data Description Parameters . . . . . . . . . . . . . . 85 Specifying Data Description Parameters . . . . . . . . . . . . . . . 87 Resolving Default Data Description Parameters . . . . . . . . . . . . . 87 Using Indirect Addressing with Symbols . . . . . . . . . . . . . . . . 88 Chapter 6. Using IPCS REXX EXECs and CLISTs . . . . . . . . . . . 89 Invoking REXX EXECs and CLISTs from an IPCS Session. . . . . . . . . 89 Using ALTLIB . . . . . . . . . . . . . . . . . . . . . . . . 90 Starting an IPCS Session from a REXX EXEC or CLIST . . . . . . . . . 91 Using IPCS-Supplied CLISTs to Analyze Dumps . . . . . . . . . . . . 92 CLISTs that Perform Initial Dump Analysis . . . . . . . . . . . . . . 92 CLIST that Runs the Save Area Chain . . . . . . . . . . . . . . . 93 Using IPCS-Supplied CLISTs to Print Dump Analysis Reports. . . . . . . . 93 CLISTs that Print Screening Dump Reports . . . . . . . . . . . . . 94 CLISTs that Print Detailed Dump Reports . . . . . . . . . . . . . . 94 Using an IPCS-Supplied CLIST to Print Dump Storage . . . . . . . . . . 94 IPCS-Supplied Sample REXX EXECs and CLISTs . . . . . . . . . . . . 94 Retrieving Data from a Dump . . . . . . . . . . . . . . . . . . 94 Processing Control Blocks. . . . . . . . . . . . . . . . . . . . 95 iv OS/390 V2R10.0 MVS IPCS User’s Guide
Printing Dump Storage . . . . . . . . . . . . . . . . . . . . . 95 Writing IPCS REXX EXECs . . . . . . . . . . . . . . . . . . . . 96 ADDRESS IPCS Instruction . . . . . . . . . . . . . . . . . . . 96 Putting the Pieces Together . . . . . . . . . . . . . . . . . . . 102 Debugging IPCS REXX EXECs . . . . . . . . . . . . . . . . . 102 Techniques for Analyzing Dumps Using IPCS REXX EXECs. . . . . . . . 103 Adding Hexadecimal Dump Addresses. . . . . . . . . . . . . . . 103 Following a Pointer Chain . . . . . . . . . . . . . . . . . . . 103 Formatting a Control Block . . . . . . . . . . . . . . . . . . . 104 Customizing Control Block Analysis . . . . . . . . . . . . . . . . 105 Translating Dump Characters . . . . . . . . . . . . . . . . . . 106 Writing IPCS CLISTs . . . . . . . . . . . . . . . . . . . . . . 107 Controlling Output from REXX EXECs and CLISTs . . . . . . . . . . . 108 FLAG Parameter. . . . . . . . . . . . . . . . . . . . . . . 108 NOSUMMARY Parameter . . . . . . . . . . . . . . . . . . . 108 Controlling Messages . . . . . . . . . . . . . . . . . . . . . 109 Chapter 7. Using IPCS in Line Mode . . . . . . . . . . . . . . . . 111 Specifying Parameters on the IPCS Command . . . . . . . . . . . . . 111 Setting Defaults . . . . . . . . . . . . . . . . . . . . . . . . 112 Invoking ISPF under IPCS . . . . . . . . . . . . . . . . . . . . 112 Starting the IPCS Dialog from IPCS Line Mode . . . . . . . . . . . . 112 Chapter 8. Using IPCS in Batch Mode . . . . . . . . . . . . . . . 115 Running CLISTs and REXX Execs in Batch Mode . . . . . . . . . . . 115 Running IPCS Subcommands in Batch Mode . . . . . . . . . . . . . 116 Copying and Clearing Dumps in Batch Mode . . . . . . . . . . . . . 117 Combining and Processing Traces in Batch Mode . . . . . . . . . . . 118 Chapter 9. Printing IPCS Reports . . . . . . . . . . . . . . . . . 119 Print and Table of Contents Data Sets . . . . . . . . . . . . . . . . 119 Allocating the Print and Table of Contents Data Sets . . . . . . . . . 119 Opening and Closing the Print and Table of Contents Data Sets . . . . . 120 Controlling the Print Font. . . . . . . . . . . . . . . . . . . . 121 Setting Print Data Set Report Defaults . . . . . . . . . . . . . . . . 122 Parameters on the PROFILE Subcommand . . . . . . . . . . . . . 122 Part 3. Appendixes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125 Appendix A. Scenario to Obtain Spin Loop Diagnostic Information . . . 127 Appendix B. Examples of JCL to Print, Copy, and Clear a Dump Data Set 129 Sample of JCL for Printing Dumps Using IPCS . . . . . . . . . . . . 129 Example of JCL to Print, Copy, and Clear a Dump Data Set . . . . . . . . 129 Example of a Procedure to Print, Copy, and Clear a Dump Data Set. . . . . 130 Appendix C. Managing Problems and Data Sets . . . . . . . . . . . 135 Managing Problems . . . . . . . . . . . . . . . . . . . . . . 135 Allocating a Problem Directory. . . . . . . . . . . . . . . . . . 136 Problem Attributes . . . . . . . . . . . . . . . . . . . . . . 137 Adding and Deleting Problems. . . . . . . . . . . . . . . . . . 138 Modifying and Listing Problem Attributes . . . . . . . . . . . . . . 139 Managing Data Sets Associated with Problems . . . . . . . . . . . . 140 Allocating a Data Set Directory . . . . . . . . . . . . . . . . . 141 Attributes of Data Sets . . . . . . . . . . . . . . . . . . . . 142 Data Set Attribute Conflicts . . . . . . . . . . . . . . . . . . . 143 Contents v
Page 1: OS/390 MVS Interactive Problem Con
Page 4 and 5: Note Before using this information
Page 8 and 9: Associating and Dissociating Data S
Page 10 and 11: 52. Example of a REXX EXEC Function
Page 12 and 13: x OS/390 V2R10.0 MVS IPCS User’s
Page 14 and 15: xii OS/390 V2R10.0 MVS IPCS User’
Page 16 and 17: This book contains information prev
Page 18 and 19: Requesting IPCS Functions . . . . .
Page 20 and 21: v v v v Mix formatted GTF and compo
Page 22 and 23: v A compressed extended sequential
Page 24 and 25: Dump Header Record When IPCS identi
Page 26 and 27: Table 1. Libraries that Contain IPC
Page 28 and 29: 12 OS/390 V2R10.0 MVS IPCS User’s
Page 30 and 31: v v See OS/390 MVS IPCS Customizati
Page 32 and 33: establishes these defaults. See the
Page 34 and 35: You can specify the source data set
Page 36 and 37: Requesting IPCS Functions subcomman
Page 38 and 39: Using a Three-Step Process . . . .
Page 40 and 41: 24 OS/390 V2R10.0 MVS IPCS User’s
Page 42 and 43: Use the browse option to display a
Page 44 and 45: Note: Overriding default values on
Page 46 and 47: Use the STATUS option to request a
Page 48 and 49: The following chart lists the optio
Page 50 and 51: Option 3 — UTILITY Use the GTFTRA
Page 52 and 53: Command A B D Description Adds the
Page 54 and 55: v v v v v v AC: The leftmost column
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Option 4 — INVENTORY REFR Refresh
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Option 5 — SUBMIT ---------------
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Option 6 — COMMAND --------------
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v v The pointer and storage panels
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Command PF Key CURSOR command (ISPF
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v v For stand-alone dumps, IPCS use
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DSNAME('D83DUMP.DUMPC.PB00465') POI
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Figure 26. IPCS Storage Panel Brows
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ASID(X'0001') STORAGE -------------
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2. If you issue the IPCS primary co
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Source of Dump Blocks Bytes DSNAME(
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IPCS OUTPUT STREAM ----------------
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Help Entering IPCS Subcommands Thro
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ISPF profile data set. Deletion of
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68 OS/390 V2R10.0 MVS IPCS User’s
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group. For ease in assigning and re
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the dump directory. However, compre
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----------------------------- Copy
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looking for, it generates a name fo
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Note: Processing for certain IPCS s
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The following example, which was ru
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LIST 00000000. NOCPU ASID(X'0001')
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When You Want to Identify data sets
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ADDR1 X is the symbolic address ass
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list aaa+4 Because location AAA+4 i
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Example: Invoking a REXX EXEC or CL
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does not wait for the END subcomman
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CLISTs that Print Screening Dump Re
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Writing IPCS REXX EXECs This sectio
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* REXX */ Signal on halt Trace off
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if rc > 0 then do /*---------------
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Put_Error: nop Retc = 16 Signal Exi
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on page 99) to retrieve the TCB poi
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Customizing the TCB Pointer Chain F
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Table 2. Considerations for Designi
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110 OS/390 V2R10.0 MVS IPCS User’
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parameters for this session. You us
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IPCSJOB JOB 'acctinfo','IPCSU1 outp
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IPCSJOB JOB 'acctinfo','IPCSU1 outp
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DISP DSORG RECFM NEW, OLD, or MOD W
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v ALLOCATE DDNAME(IPCSPRNT) SYSOUT(
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Use STACK to control duplication of
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IPCSJOB JOB //* //* SUBMIT THIS JOB
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PROC 3 DSN OUTFILE CLEAR /*--------
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BLSCDDIR BLSCBSVB CLIST provided by
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If no one at your installation has
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ADDPROB subcommand. Once the proble
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You have considerable flexibility i
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alloc fi(b) ds('ipcs.data.set.direc
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adddsn dsname(prob31.dump) problem(
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Avoid moving the data set to a diff
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Licensees of this program who wish
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CLIST (command list) (continued) wr
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IPCS dialog (continued) customize P
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storage map associated subcommands
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