Topic manager data records
Use this topic as a reference to the format of the topic manager data records.
The format of the topic manager statistics record is described in the following table and in assembler macro thlqual.SCSQMACS(CSQDQTST) and C header file thlqual.SCSQC370(CSQDSMFC). The field names in C are all in lowercase, for example qtst, qtstid.
Parent topic: Interpreting IBM MQ for z/OS performance statistics
Offset: Dec Offset: Hex Type Len Name Description 0 0 Structure 96 QTST Topic manager statistics 0 0 Bitstring 2 QTSTID Control block identifier 2 2 Integer 2 QTSTLL Control block length 4 4 Character 4 TESTEYEC Control block eye catcher 8 8 Character 88 QTSTZERO QTST part cleared on occasion 8 8 Integer 4 QTSTSTOT Total subscription requests 12 0C Integer 4 QTSTSDUR Durable subscription requests 16 10 Integer 4 QTSTSHIG (1:3) Subscription high water mark array (API, ADMIN, PROXY) 28 1C Integer 4 QTSTSLOW (1:3) Subscription low water mark array (API, ADMIN, PROXY) 40 28 Integer 4 QTSTSEXP Subscriptions expired 44 2C Integer 4 QTSTTMSG Total messages put to Sub queue 48 30 Integer 4 QTSTSPHW Single publish subscriber high water mark 52 34 Integer 4 QTSTPTOT (1:3) Total Publication requests (API, ADMIN, PROXY) 64 40 Integer 4 QTSTPTHI Total publish high water mark 68 44 Integer 4 QTSTPTLO Total publish low water mark 72 48 Integer 4 QTSTPNOS Count of publishes to no subscriber 76 4C Integer 4 * Reserved 80 50 Bitstring 8 QTSTETHW Elapse time HW on publish 88 58 Bitstring 8 QTSTETTO Elapse time total on publish