Introduction › System Use Reports › History Files

History Files

The history file output feature lets you build and maintain a historical performance, utilization, and chargeback data file: weekly, monthly, quarterly, and so forth. This important feature gives you a great deal of flexibility and control over this data management task. History files fall into one of two categories: detail-level or summary-level.

• A detail-level history file contains one record per job or job step depending upon the detail level chosen. Creating a detail history file in the first (and only) pass of the raw SMF data reduces the processing required to manage the raw SMF data on a long term basis.
• A summary-level history file can be created that contains records summarized to your custom specifications: hourly, daily or daily by account code.

You control history file selection by the proper coding of the SORT statement. Refer to the explanation of history files contained in the "Control Statements and Tables" chapter of this guide. Up to 15 history files can be produced in a single run of this product.

In addition, EXTDATA records can be produced and maintained on detail-level history files.