Interactively Analyzing Dump Data

The Dump Viewing Facility provides a variety of commands and subcommands that allow the user to interactively locate and display dump data. Use the Dump Viewing Facility to do the following:
  • Display real program status words, registers, clocks, and the timer
  • Display formatted data from any z/VM control block or data area
  • Display data in hexadecimal and EBCDIC
  • Display data using 24- or 31-bit indirect addressing
  • Display a chain of control block addresses in hexadecimal or display the data within the control blocks
  • Locate a hexadecimal or EBCDIC string in the dump
  • Print output from any DUMPSCAN subcommand
  • Determine a module entry point and displacement, given an address
  • Determine an address, given a module or entry-point name
  • Scroll forward or backward while viewing hexadecimal data
  • Create a load map of module names and their entry points with addresses and displacements
  • Assign symbolic names to subcommands
  • Format, reduce, and scroll through trace tables within a dump dumps