Tivoli Decision Support for z/OS

Tivoli® Decision Support for z/OS®, previously known as Tivoli Performance Reporter for OS/390®, supersedes Service Level Reporter (SLR).

Tivoli Decision Support for z/OS is a reporting system which uses DB2®. You can use it to process utilization and throughput statistics written to log data sets by computer systems. You can use it to analyze and store the data into DB2, and present it in a variety of forms. Tivoli Decision Support consists of a base product with several optional features that are used in systems management, as shown in Table 8.

Table 8. Tivoli Decision Support for z/OS and optional features
CICS® Performance IMS™ Performance Network Performance System Performance Workstation Performance AS/400® Performance Accounting
Tivoli Decision Support for z/OS Base

The Tivoli Decision Support for z/OS base includes:

Each feature provides:

The Tivoli Decision Support for z/OS database can contain data from many sources. For example, data from System Management Facilities (SMF), Resource Measurement Facility (RMF), CICS, and Information Management System (IMS) can be consolidated into a single report. In fact, you can define any non-standard log data to Tivoli Decision Support for z/OS and report on that data together with data coming from the standard sources.

The Tivoli Decision Support for z/OS CICS performance feature provides reports for your use when analyzing the performance of CICS Transaction Server and CICS/ESA, based on data from the CICS monitoring facility (CMF) and CICS statistics. These are some of the areas that Tivoli Decision Support can report on:

The Tivoli Decision Support for z/OS CICS performance feature collects only the data required to meet CICS users’ needs. You can combine that data with more data (called environment data), and present it in a variety of reports. Tivoli Decision Support for z/OS provides an administration dialog for maintaining environment data.

Figure 35 illustrates how data is organized for presentation in Tivoli Decision Support z/OS reports.

Figure 35. Organizing and presenting system performance data
 Data from the operating system is written to various logs. The CICS performance feature of Tivoli Decision Support collects the relevant data and writes it to its own records. User-supplied environment data is also input, which is maintained in tables in the Tivoli Decision Support database. Tivoli Decision Support uses the data supplied by the user and the data it has collected directly from the system logs, to present reports to the user.

The Tivoli Decision Support for z/OS CICS performance feature processes these records:

CMF
Statistics

For more information on using Tivoli Decision Support for z/OS with CICS, see Using Tivoli Decision Support for z/OS to report on CICS performance.

Related concepts
Using Tivoli Decision Support for z/OS to report on CICS performance
CICS Performance Analyzer for z/OS (CICS PA)
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