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Application Performance Analyzer for z/OS User's Guide: Recent information updates
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| | | Abstract | | The following changes are not yet available in the published version of the Application Performance Analyzer for z/OS® Version 8.1 User's Guide publication. | | | | | | | | Content | The following documentation updates are a result of APAR PK66663.
Topic: Chapter 3. Performance Analysis Reports
Date: June, 2008
Change description: There is a new report titled W05:Wait Time by Tape DDNAME, which is described below.
W05 - Wait Time by Tape DDNAME
Usage
Use this report to view the wait time resulting from requests for tape mounts.
This report shows one line for each unique DDNAME for which tape mount waits occurred. The DDNAME column shows the DDNAME for the tape and the device column shows the device number for the tape unit.
Quantification
Each report line quantifies wait time measured as a percentage of total time. The percentage represents the ratio of the number of samples in which a wait for a tape mount was observed, to the total number of samples.
Detail Line Description
DDNAME detail line
| Under Heading | This is Displayed | | DDNAME | The DDNAME name. | | Device | The device number for the tape unit. | | Percent of Time in WAIT | The percentage of the measurement interval time during
which the indicated DDNAME was waiting for a tape mount. |
Sample report
A sample report is show here.
Line commands
The line commands available in this report, and the objects and headings to which they apply, are summarized here: (You can always enter a “/” on any input field to popup a menu of line commands available for that field).
on objects | Cmd | When Applied to Object | Action | | ? | DDNAME | Display context help info. | | ++ | DDNAME | Show additional details. |
on headings | Cmd | When Applied to Heading | Action | | ? | DDNAME, Device, Percent WAIT | Display context help info. | | SV | DDNAME, Device, Percent WAIT | Sort next level by value. | | SN | DDNAME, Device, Percent WAIT | Sort next level by name. |
Detail window
You can enter “++” (or the Enter key) on any line to display a popup window containing additional information.
A sample detail window for this report is shown here:
This PDF contains the above information describing the W05 report:
Topic: Chapter 10. Printing Performance Analysis Reports
Date: June, 2008
Change description: In the "Report SECTION descriptions" section, in the “SECTION statement parameter summary” table, ‘Percent=N’ will be added to the list of "Parameters and default values" for P01 (Source Program Attribution).
Topic: Chapter 10. Printing Performance Analysis Reports
Date: June, 2008
Change description: In the "Report SECTION descriptions" section, in the “SECTION statement parameter summary” table, the new report W05 will be added after W04 as shown below:
| Wait Time by Tape DDNAME | W05 |  |
Topic: Chapter 11. Batch interface commands
Date: June, 2008
Change description: In the "Commands description" section, in the NEW command topic, the following sentence will be added to the SYSTEMS keyword description after the 2nd sentence:
When an asterisk (*) is entered, the keyword ACTIVE=YES is invalid. | | | | | | | |
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| Product categories: |
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| | Software | |
| | Software Development | |
| | Problem Determination Tools | |
| | Application Performance Analyzer for z/OS | |
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| Operating system(s): |
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z/OS
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| Software version: |
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8.1
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| Reference #: |
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7012909
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| IBM Group: |
| | Software Group |
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| Modified date: |
| | 2009-05-26 |
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