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Status Planned for future release
Workspace z/TPF Product Family
Categories z/TPF
Created by Guest
Created on Aug 20, 2015

RELATED IDEAS

Track the number of heap requests and releases for AVL1-5 per ECB

Add 5 ECB counters to track the number of ECB heap requests (malloc/calloc/ralloc) for each of the AVL1-5 chains.
Add 5 ECB counters to track the number of releases of ECB heap for each of the AVL1-5 chains.
Add the new counters to ZMOWN.

Idea priority High
  • Guest
    Reply
    |     Apr 19, 2019

    IBM has modified some of the information in this request. Please contact us if you have any questions.

  • Guest
    Reply
    |     May 5, 2016

    Please consider the following revision which better serves the need.
    Rather than 5 counters for gets and 5 for release (which doesn't actually make sense), we would like:

    - 5 new get heap buffer counters for heap obtained from each of AVL1-5. The AVL5 counter would only be stroked if the buffer obtained was > the HAVSZ4 size - i.e. would be returned to AVL5 when it is free'd.
    - 4 new get heap buffer counters for heap obtained for AVL1-4 sizes but serviced from AVL5 (i.e. get heap requests that can't be satisfied from the appropriate size heap buffer AVL chain so is serviced from AVL5 but will be returned to AVL1-4 when it is free'd).
    - 5 new free heap buffer counters for heap returned to each of AVL1-5

    The significant change from the original request is the additional visibility into get activity for heap buffer sizes that fit into HAVSZ1-4 but are serviced from AVL5.

  • Guest
    Reply
    |     Oct 14, 2015

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - z Systems Software
    Product - z/TPF

    For recording keeping, the previous attributes were:
    Brand - WebSphere
    Product family - Transaction Processing
    Product - z/TPF

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