Last Updated: 17 July 2026

z/VM Data Areas, Control Blocks, and Monitor Records

An introduction to Data Areas, Control Blocks, and Monitor Records for z/VM.

z/VM 7.5 Release:

• CMS Data Areas & Control Blocks for z/VM 7.5
• CP Data Areas & Control Blocks for z/VM 7.5
• Monitor Record Formats for z/VM 7.5
• Performance Toolkit SEGOUT DCSS Data Definitions for z/VM 7.5

z/VM 7.4 Release:

• CMS Data Areas & Control Blocks for z/VM 7.4
• CP Data Areas & Control Blocks for z/VM 7.4
• Monitor Record Formats for z/VM 7.4
• Performance Toolkit SEGOUT DCSS Data Definitions for z/VM 7.4

z/VM 7.3 Release:

• CMS Data Areas & Control Blocks for z/VM 7.3
• CP Data Areas & Control Blocks for z/VM 7.3
• Monitor Record Formats for z/VM 7.3
• Performance Toolkit SEGOUT DCSS Data Definitions for z/VM 7.3

Archive:

• Archived VM Data Areas, Control Blocks, and Monitor Record information