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Programming Interface Information:
This information is NOT intended to be
used as Programming Interfaces of z/VM. |
HFYBK
Control Block Contents
HFYBK DSECT
Cross Reference (Contains links to field and bit definitions)
HFYBK Prolog
NAME : HCPHFYBK
DESCRIPTION: Monitor System Domain Hi-Frequency Sample Data
DSECT : HFYBK
FUNCTION : Control block for system-domain high-frequency
sample data. Data collected here are later
transferred to the system-domain monitor record, MRSYTCPC.
LOCATED BY : MNDHF_SYS_DATA
CREATED BY : HCPMOYIN
DELETED BY : HCPMOYTM
REFERENCES : none
SERIALIZED : MNDHFYLK lockword of HCPMND (Monitor data area)
NOTES : none.
HFYBK Control Block Content
HFYBK DSECT
Hex Dec Type/Val Lng Label (dup) Comments
---- ---- --------- ---- -------------- --------
0000 0 Structure HFYBK Monitor System Domain
Hi-Frequency Sample Data
0000 0 Signed 4 HFYCOUNT Number of samples taken
0004 4 Signed 4 HFYCACTV (256) The Number of times each channel
path was active. Each index
number of this array corresponds
to its channel path number, 0 to
255.
0404 1028 Signed 4 HFYCHSIM (51) The number of times a total
number of channel paths were
simultaneously active. For index
numbers, 0 to 49, each index
number corresponds to the total
number of channel paths that were
active. For index number 50, this
is the number of times that 50 or
more channel paths were
simultaneously active.
000004D0 HFY$END *
0000009A HFYSIZE (HFY$END-HFYBK+7)/8 HFYBK size in
doublewords
HFYBK Storage Layout
*** HFYBK - Monitor System Domain Hi-Frequency Sample Data
*
* +---------------------------+---------------------------+
* 0 | HFYCOUNT | |
* +---------------------------+ |
* 8 | |
* = HFYCACTV =
* | +---------------------------+
* | | |
* +---------------------------+ |
* 408 | |
* = HFYCHSIM =
* | |
* +-------------------------------------------------------+
* 4D0
*
*** HFYBK - Monitor System Domain Hi-Frequency Sample Data
HFYBK Cross Reference
Symbol Dspl Value -------------- ---- ----- HFY$END 0404 000004D0 HFYCACTV 0004 HFYCHSIM 0404 HFYCOUNT 0000 HFYSIZE 0404 0000009A
Last updated on 5 Jun 2001 at 13:53:24 EDT.
Copyright IBM Corporation, 1990, 2001