TPF Users Group - 10/9/2007 Washington, DC Systems Control Program You can fool all of the people some of the time, or Some of the people all of the time,

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Presentation transcript:

TPF Users Group - 10/9/2007 Washington, DC Systems Control Program You can fool all of the people some of the time, or Some of the people all of the time, but, You can’t fool all of the people all of the time -Abraham Lincoln

Focus on a card, think about it…concentrate on it…. I know which one you will pick!

Your card is gone! Surprised ! Raise your hand if its gone

TPF Users Group - 10/9/2007 Washington, DC Systems Control Program Welcome / Housekeeping / Attendance Log Requirements S07003F – ECB Heap Garbage Collection (Marriott) Presentations DASD external copy services group update Lisa Banks IBM DASD Module Queue Monitor Judy KearneyIBM z/TPF I/O Performance Study Lee LaFreseIBM Writable Static Area enhancement Ian Walsh Amadeus Survival Corner z/TPF Migration Status and Challenges Open Discussion Final Comments / Call for Presentations / Close 5min 20min 15min 10min

FREE 0 Heap storage limit (MMHS) EMPS (addressing) > MMHS 1. malloc( large_block ) 2. Today, this malloc will fail – because the free nodes are fragmented. 3. Solution Garbage Collection: FREE 0 4. Remap virtual addresses of frames behind free nodes into single, larger node.

Survival Corner Migration Survey SURVEY

Survival Corner z/TPF Migration Survey Hard to get User Presentations at TUG Another way to get user input Relevant Subject # of Responses : 4

z/TPF migration survey Most Challenging Work Item LINUX development environment SW promotion process BSO’s and CSO’s – handling, packaging Custom Performance Management Tools Compatibility with SOAP and Web Services technologies

z/TPF migration survey What are we doing now Staff to learn and use CVS/UNIX HFS Get programmers used to TPF Toolkit (IDE) before introducing new debuggers and new library system. Rewriting offline performance reporting tools Migrating SW to Single Source Compliance

z/TPF migration survey Big hitters to carry forward Transaction Monitoring/Billing/Collecting Dump Processing (online and offline) Assembler Stack macros Resource Policeman Capture Restore tools

z/TPF migration survey Not carried forward System Performance Monitoring tools (replaced with IBM Profiler and CDC) Some debugging tools Step by Step Trace ???

z/TPF migration survey Long Term Needs Native SQL database and SQL assembling process (Bind with DB2) IBM continue to pick up enhancement requests Impact of z/TPF on CPU cycles – Solve the longstanding CPU cycles issue

z/TPF migration survey Library System Migration Versioning – totally dropping or changing to another scheme Developing tools to ensure accuracy of HFS source to production Retrofitting new scheme to 4.1

z/TPF migration survey 64-bit mode Do this later. 2G addressing good enough for now, z/TPF will free up lots of memory

z/TPF migration survey Testing Message Capture and Replay Parallel testing of 4.1 and z/TPF systems with user validation of both results New library and build system has to be validated as well

z/TPF migration survey Cutover Date 2009 or TBD