Cheryl Watson’s Tuning Letter

Publications

Unbeatable knowledge at your fingertips.

Tuning Letter

The most comprehensive body of practical and impartial z/OS and MVS tuning and measurement advice ever published!

CPU Chart

z Systems CPU Chart provides a comprehensive list of over 1,400 processor configurations from IBM that can run z/OS.

SMF Reference Summary

This handy SMF Reference Summary was last updated on January 24, 2021 and includes information up through z/OS 2.4 December 2020 refresh. It includes a listing of SMF record types and subtypes, a listing of the SMF exits, and other useful information related to the management of this important resource.

Free Presentations

We often present sessions at the SHARE user conference and other venues. These are all available to you in PDF format in this section.