z/OS Performance Monitoring Tools Shoot- Out: MainView for … · 2010. 7. 27. · z/OS Performance...
Transcript of z/OS Performance Monitoring Tools Shoot- Out: MainView for … · 2010. 7. 27. · z/OS Performance...
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z/OS Performance Monitoring Tools Shoot-Out: MainView for z/OS from BMC Software, Inc.
Keith E. MoeBMC Software, Inc.
August 5, 2010
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MainView for z/OS
• MainView is a family of monitoring products
• z/OS
• Data Base (DB2, CICS, IMS)
• Storage Management
• UNIX System Services (OMVS)
• MQ
• z/Linux
• Accessible via:
• TSO
• VTAM connection
• Web Browser
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MainView for z/OS Conventional Performance Monitoring
• Performance Monitor of major z/OS functions/components
• Jobs
• CPU usage, I/O, Delays, zIIP/zAAP usage
• Devices (Tape and DASD) and Processors
• Activity, Response time, Delays, Utilization
• Workloads
• Service and Report Classes, Enclaves, etc.
• LPAR Utilization
• Storage
• Enqueue Contention
• Etc.
• Historical data recorded and viewed interactively3
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MainView for z/OSSystem Programmer Tools
• Security
• MVScope Tracing
• Address Space TCBs
• Job Actions
• SYSPROG Services
• Common Storage Monitor
• Self Monitoring
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MainView for z/OSSecurity
• All functions have security definitions
• Default Rules (Profiles) assigned to every function
• Installation can for each Rule:
• Enable
• Disable
• Change
• Installation Security System must be updated
• Limit scope of who can do what
• Out of the box with no Profiles, most functions prohibited
• Could end up with 100s of Profiles, so use generics
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MainView for z/OSMVScope Tracing
• Traces
• Address Spaces
• I/O Activity
• CCWs
• Data read or written
• Designed for short term tracing (a few minutes)
• Not a substitute for more comprehensive products
• Will identify Load Module, CSECT, and offset
• STEPLIB, Link List, LPA, Nucleus
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MainView for z/OSMVScope Screen – Storage Map/CPU use
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MainView for z/OSAddress Space TCB information
• Display of all TCBs in an address space
• TCB hierarchy
• Program name
• Protect key
• Dispatching priority
• Non-dispatchability flags
• CPU Time used and percentage
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MainView for z/OSJob TCB Information – TSO User
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MainView for z/OSJob Actions
• From views that list address spaces
• CANCEL
• FORCE
• STOP
• SVC Dump
• Reset Service Class
• Initiate MVScope tracing
• Confirmation pop-up
• Can be done against jobs on other systems
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MainView for z/OSJob Action – SVC Dump request
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MainView for z/OSSYSPROG Services
• Set of services to “poke” around the system
• Runs in multiple environments
• MainView for z/OS Address Space
• MainView AutoOPERATOR Address Space
• Started Task
• Batch Job
• TSO
• “Line” Mode oriented
• Output in scrollable pop-up in MainView for z/OS
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MainView for z/OSSYSPROG Services Popup
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MainView for z/OSSYSPROG Services
• Performance data
• System
• Job
• Display and alter storage
• Private and Common
• Memory Objects
• Even page protected storage (R/O Nucleus and PLPA)
• Issue Commands and receive responses
• Address Space information
• TCBs, CDEs
• Private storage usage
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MainView for z/OSCommon Storage Monitor
• Built on VSM Common Storage Tracking
• See all Common Storage allocated
• Total
• By Job
• Size
• When allocated
• Subpool, Key
• Look at the actual data
• Alter the data
• Free an area of CSA (orphan or not)
• Danger, Will Robinson!
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MainView for z/OSCSMON Summary Screen
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MainView for z/OSSelf Monitoring
• Views available to display CPU usage of MainView
• Major Components in the Address Space
• Data Collectors
• zIIP usage
• Helps us identify performance problems
• Allows the customer to know how we’re doing
• Gives us information when there is a problem with our product
• Diagnostic views
• Internal data
• Raw historical data records (coming over time)
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MainView for z/OSProduct Address Space Monitoring
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APPENDIX
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MainView for z/OSMVScope Program Information
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MainView for z/OSMVScope I/O Trace Information
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MainView for z/OSJob Action for Reset Service Class
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MainView for z/OSTCB information for ourselves (partial)
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MainView for z/OSSYSPROG Services ZAP Popup
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MainView for z/OSCSMON Job Level Information
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MainView for z/OSIndividual Data Collector CPU Usage
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