|
Programming Interface Information:
This information is NOT
intended to be
used as Programming Interfaces of VM/ESA. It is to be used for diagnosis only. |
TBFBK
Cross Reference (Contains links to field and bit definitions)
TBFBK Prolog
NAME : HCPTBFBK
DESCRIPTION: Trace service tool Buffer Format Block
DSECT : TBFBK
FUNCTION : Contains the format of the buffers used to
save merged entries from the trace table
onto tape
CREATED BY : Not applicable
DELETED BY : Not applicable
NOTES :
USED BY - HCPTSI : When building the buffers for *
use by HCPTSMRG *
HCPTSMRG : When merging trace entries *
HCSTSF : When reading the buffers from *
tape *
HCSTSS : Trace read system services *
HCSTSV : Trace read tape processor
TBFBK Control Block Content
TBFBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments ---- ---- --------- ---- -------------- -------- 0000 0 Structure TBFBK Trace service tool Buffer Format Block 0000 0 Dbl-Word 8 TBFTOD Time of day clock 0008 8 Character 24 TBFVERST Verification string 0020 32 Signed 4 TBFZONE TIME ZONE DIFFERENTIAL (FROM SYSZONE) 0024 36 Bitstring 28 TBFDATA (145) 145 28-byte trace entries 00000200 TBFSIZE (*-TBFBK+7)/8 TBFBK size in doublewords
TBFBK Storage Layout
*** TBFBK - Trace service tool Buffer Format Block * * +-------------------------------------------------------+ * 0 | TBFTOD | * +-------------------------------------------------------+ * 8 | | * = TBFVERST = * | | * +---------------------------+---------------------------+ * 20 | TBFZONE | | * +---------------------------+ | * 28 | | * = TBFDATA = * | | * +-------------------------------------------------------+ *1000 * *** TBFBK - Trace service tool Buffer Format Block
TBFBK Cross Reference
(contains links to field and bit definitions)Symbol Dspl Value -------------- ---- -----TBFDATA 0024
TBFSIZE 0024 00000200
TBFTOD 0000
TBFVERST 0008
TBFZONE 0020
Last updated on 3 Aug 1999 at 13:37:49 EDT.
Copyright IBM Corporation, 1990, 1999