DECUS Heritage

Version: 2.1, APRIL 1993
Author: Scott Plimpton, Systex Inc.
Operating System: OpenVMS VAX
Source Language: ADA
Keywords: System Management - VMS, Monitor
Memory Requirements: Less than .5 Mbytes
Notes: May not work on VMS 5.0-5.4 without recompiling. Extensive testing was performed only on VMS 5.4-3 using ADA 2.2.
Restrictions: Need SMG Compatable Terminal (VT) and suitable privileges to view processes running under another account.

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Abstract: PROCESS_MONITOR allows the resource demands of a single process to be monitored.

It provides more information than the DCL command SHOW PROCESS, and aids in the diagnosis of errors due to an insufficient process quota.

PROCESS_MONITOR uses SMG routines to create three areas on the screen. The uppermost region is mostly used to display static resource quotas for the process, such as those from the UAF. The central region is a scrolling region that displays non-static information about the process. Some of the fields within the scrolling region identify resource utilization at that instant, such as the Direct I/O limit available. The other fields within the scrolling region display the amount of a resource used by the account since it was last reported, such as Direct I/Os performed since the last report. The reporting interval is a user-selectable number of seconds. Each report interval, a single line is produced which displays the fields selected by the user. The last line of the screen displays broadcast messages. This region can be expanded to fill the entire screen to observe previous broadcast messages.

For each category, there are usually three fields displayed. In the case of DIOlm, the quota from the UAF is displayed along with the number of DIOs since the last report and the available DIOlm. The number of Page Faults per CPU Second since the last report is also available. The following categories are displayable:

• ASTlm
• BIOlm
• BYTlm
• CPU Utilization
• DIOlm
• ENQlm
• FILlm
• PGFLQUO
• TQElm
• Working Set Information

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Last Update: Thu Jan 11 18:48:44 1996