Service/Report Class Period Data Section

There is one section per service or report class period.

Offsets Name Length Format Description
0 0 R723CRTX 2 binary Index into the response time distribution count table in the Response Time Distribution data section. These buckets exist only for periods with a response time goal.
Example: If the service class has six service class periods, and the periods 1, 3, and 5 have a response time goal, then this index has the following values:
Period
Index into Response Time Distribution Count Table
1
1
2
0
3
2
4
0
5
3
6
0
2 2 R723CWMX 2 binary Index into the work/resource manager states area.
4 4 R723CWMN 2 binary Number of entries in the work/resource manager states area associated with this period (R723CWMX points to the first entry).
6 6 R723CRS1 1 binary Report class period flags.
Bit
Meaning when set
0
This report class period is heterogeneous.
1-7
Reserved.
7 7 R723CADF 1 binary Data flags - they indicate the availability of actual measured data in one of the subsections being a part of this section.
Bit
Meaning when set
0
Resource consumption data available
1
Response time data available
2
General execution delay data available
3-7
Reserved.
Goals: For a report class period, these are the goals of the service class period that last contributed to this report class period. For a homogeneous report class period, this goal must be used to format the response time distribution.
8 8 R723CPER 1 binary Service or report class period number.
9 9 R723CRTF 1 binary Response time flags (indicates units for R723CVAL).
Bit
Meaning when set
0
Response time specified in milliseconds.
1
Response time specified in seconds.
2
Response time specified in minutes.
3
Response time specified in hours.
4-7
Reserved.
10 A R723CRGF 1 binary Response time goal flags.
Bit
Meaning when set
0
Percentile response time goal.
1
Average response time goal.
2
Execution velocity goal.
3
Discretionary goal.
4
System specified goal.
5-7
Reserved.
11 B   1   Reserved.
12 C R723CVAL 4 binary Response time or execution velocity goal - or zero if discretionary or system goal. Units are defined in R723CRTF.
16 10 R723CPCT 2 binary Goal percentile value (in percentage).
18 12 R723CIMP 2 binary Importance of the goal to be achieved for this period (1=highest, 5=lowest). The value is zero for a discretionary or system goal.
20 14 R723CDUR 4 binary Period duration in weighted service units, or zero for the last period.
Resource Consumption Data - Actual measured values: All service units are weighted by the coefficients in the active service policy.
24 18 R723CSRV 8 floating Total service units.
32 20 R723CCPU 8 floating Total TCB service units.
40 28 R723CIOC 8 floating Total IOC service units.
48 30 R723CMSO 8 floating Total central storage service units.
56 38 R723CSRB 8 floating Total SRB service units.
64 40 R723CPIR 8 floating Total page-in count.
72 48 R723CHPI 8 floating Total hiperspace page-in count. This value includes only those hiperspace pages that were moved by the Real Storage Manager and not by the MVPG instruction.
80 50 R723CBPI 8 floating Total block page-in from auxiliary count.
88 58 R723CPIE 8 floating Total page-in from expanded count.
96 60 R723CBPE 8 floating Total block page-in from expanded count.
104 68 R723CBKA 8 floating Total auxiliary blocks paged in.
112 70 R723CBKE 8 floating Total expanded blocks paged in.
120 78 R723CPRS 8 floating Total page residency time (1024-microsecond units).
128 80 R723CERS 8 floating Total expanded page residency time (1024-microsecond units).
136 88 R723CTRR 8 floating Total in storage residency time (1024-microsecond units).
144 90 R723CTAT 8 floating Total transaction active time (1024-microsecond units).
152 98 R723CRCT 8 floating Total RCT time (microseconds).
160 A0 R723CIIT 8 floating Total I/O interrupt time (microseconds).
168 A8 R723CHST 8 floating Total hiperspace service time (microseconds).
176 B0 R723CSWC 4 binary Total swap count.
180 B4 R723CCRM 4 binary Total hiperspace ESO read miss count.
Response Time Data - Actual measured values:
184 B8 R723CRCP 4 binary Count of transaction completions for this period. This field includes transaction completions reported by subsystem work managers by way of the IWMRPT service.
188 BC R723CARC 4 binary Count of transactions that completed abnormally as reported by subsystem work manager. This value is not part of R723CRCP and should not be used for response time calculations.
192 C0 R723CNCP 4 binary Count of transactions that completed their execution phase as reported by subsystem work managers by way of the IWMNTFY service.
196 C4 R723CANC 4 binary Count of transactions that completed their execution phase abnormally as reported by subsystem work Manager. This value is not part of R723CNCP and should not be used for execution response time calculations.
200 C8 R723CTET 8 floating Total transaction elapsed time (1024-microsecond units).
208 D0 R723CXET 8 floating Total transaction execution time (1024-microsecond units).
216 D8 R723CETS 8 floating Sum of transaction elapsed times squared (1024-microsecond units).
General Execution Delay Data - Actual measured values:
224 E0 R723CCUS 4 binary CPU using samples. These are included in R723CTOU.
228 E4 R723CTOT 4 binary Total general execution delay samples used in WLM's execution velocity calculation. For the velocity formula, see z/OS MVS Planning: Workload Management.
The following categories of samples represent general execution delays that are included in R723CTOT. Each counter was incremented by one every time the WLM sampler found the appropriate condition.
232 E8 R723CCDE 4 binary CPU delay. A TCB or SRB is waiting to be dispatched or a TCB is waiting for local lock.
236 EC R723CCCA 4 binary CPU capping delay. A TCB or SRB is marked non-dispatchable because a resource group maximum is being enforced. Note that R723CCCA is NOT a subset of R723CCDE.
240 F0 R723CSWI 4 binary Swap-in delay. Swap-in has started, but not completed.
244 F4 R723CMPL 4 binary MPL delay. Ready but swap-in has not started.
248 F8 R723CAPR 4 binary Auxiliary page from private.
252 FC R723CACO 4 binary Auxiliary page from common.
256 100 R723CAXM 4 binary Auxiliary page from cross memory.
260 104 R723CVIO 4 binary Auxiliary page from VIO.
264 108 R723CHSP 4 binary Auxiliary page from standard hiperspaces.
268 10C R723CCHS 4 binary Auxiliary page from ESO hiperspaces.
The following categories of samples are not included in R723CTOT:
272 110 R723CUNK 4 binary Unknown. Address space or enclave is waiting, but none of the above general execution delays apply.
276 114 R723CIDL 4 binary Idle. Address space or enclave is in STIMER wait, TSO terminal wait, APPC wait, or an initiator waiting for work.
280 118 R723CPDE 4 binary Resource group capping count. Group maximum is being enforced for work in this class.
284 11C R723CPQU 4 binary Quiesce count. Some work in this service class has been reset by way of the RESET xxx, QUIESCE command.
Additional General Execution Delay Data - Actuals:
288 120 R723CSAC 4 binary Sampled address space count. Number of address spaces that contributed delay and using samples to this class.
292 124 R723CSRS 8 floating Total shared page residency time in 1024-microsecond units.
The following categories of samples represent general execution delays that are included in R723CTOT. Each counter was incremented by one every time the WLM sampler found the appropriate condition.
300 12C R723CSPA 8 floating Total shared page-ins from auxiliary storage.
308 134 R723CSPE 8 floating Total shared page-ins from expanded storage.
Additional Resource Consumption Data:
316 13C R723CICT 8 floating Total non-paging DASD connect time in 128-microsecond units.
324 144 R723CIWT 8 floating Total non-paging DASD wait time (queue time + pending time) in 128-microsecond units.
332 14C R723CIDT 8 floating Total non-paging DASD disconnect time in 128-microsecond units. This does not include IOS queue time.
340 154 R723CIRC 4 binary Total non-paging DASD I/O start subchannel count. This can be used with fields R723CICT, R723CIWT, and R723CIDT to determine the average DASD response time for the period.
Additional General Execution Delay Data – Actuals:
344 158 R723CTOU 4 binary Total using samples. For the velocity formula, see z/OS MVS Planning: Workload Management.
348 15C R723CIOU 4 binary DASD using samples. Only non-paging DASD I/O can contribute to I/O using samples.
The following categories of samples represent general execution delays. Each counter was incremented by one every time the WLM sampler found the appropriate condition.
352 160 R723CIOD 4 binary DASD delay samples.
356 164 R723CQ 4 binary Queue delay samples, work is waiting for a server.
360 168 R723CSPV 4 binary Server private area paging delay samples.
364 16C R723CSVI 4 binary Server space VIO paging delay samples.
368 170 R723CSHS 4 binary Server hiperspace paging delay samples.
372 174 R723CSMP 4 binary Server MPL delay samples.
376 178 R723CSSW 4 binary Server swap-in delay samples.
Non-DASD I/O Using or Delay Samples:
380 17C R723CNDI 4 binary Non-DASD I/O using or delay samples.
384 180 R723CTDQ 4 binary Total delay samples always including batch queue delay.

For service classes that contain batch jobs that were not run in WLM managed initiators the batch queue delay samples are derived from the measured batch queue delay time.

For service classes that contain jobs that ran in WLM managed initiators this value is the same as RCAETOTD. RCAETOTDQ can be used as a migration aid to determine what a batch service class period's velocity will be if its jobs are run in WLM managed initiators.

388 184 R723CTSA 8 floating Total execution samples. It is the sum of RCAETOTU, RCAETOTD, RCAEUNKN, RCAEIDLE.
396 18C R723CIOT 8 floating Total DASD IOS queue time in 128-microsecond units.
404 194 R723CQDT 8 floating Total queue delay time in 1024-microsecond units.

For batch jobs, this is the time jobs spent on the job queue while eligible to run on some system. It represents the time the jobs spent waiting for an initiator. For TSO users, this time can be a portion of the LOGON process. For APPC, this is the time an APPC request spent on an APPC queue.

The following three values only apply to batch jobs, they are zero for other work types:
412 19C R723CADT 8 floating Total time (in 1024-microsecond units) batch jobs were ineligible to run because a resource that the job had affinity to was unavailable.
420 1A4 R723CCVT 8 floating Total time (in 1024-microsecond units) batch jobs spent in JCL conversion.
428 1AC R723CIQT 8 floating Total time (in 1024-microsecond units) batch jobs spent on job queue (after JCL conversion) while ineligible to run on any system for reasons other than resource affinities.
436 1B4 R723CIEA 8 floating Independent enclave total transaction active time (in 1024-microsecond units) for enclaves that originated on this system.
444 1BC R723CXEA 8 floating Exported enclave total transaction active time (in 1024-microsecond units).
452 1C4 R723CFEA 8 floating Foreign enclave total transaction active time (in 1024-microsecond units).
Crypto Using and Delay Samples:
460 1CC R723CAMU 4 binary CAM crypto using samples: a TCB was found executing on a cryptographic asynchronous message processor.
464 1D0 R723CAMD 4 binary CAM crypto delay samples: a TCB was found waiting for a cryptographic asynchronous message processor.
468 1D4 R723APU 4 binary AP crypto using samples: a TCB was found executing on a cryptographic assist processor.
472 1D8 R723APD 4 binary AP crypto delay samples: a TCB was found waiting for a cryptographic assist processor.
476 1DC R723FQD 4 binary Feature queue delay samples: a TCB was found waiting on a processor feature queue associated with a CPU. This is a subset of R723CCDE.
Note:
R723CCUS includes feature queue using samples.
480 1E0 R723PLSC 8 EBCDIC Service class that last contributed to this report class period during this interval. Blank if this is a service class period.
488 1E8 R723RCOD 4 binary Contention delay sample count. One sample is accumulated for each held resource which is reported to WLM by the resource manager by way of IWMCNTN.
492 1EC R723RCOU 4 binary Contention using sample count. One sample is accumulated for each resource in use which is reported to WLM by the resource manager by way of IWMCNTN.
496 1F0 R723ECTC 8 floating CPU time consumed while dispatching priority was temporarily raised by enqueue management because the work unit held a resource that other work needed (in 1024 microsecond units).
504 1F8 R723IFAU 4 binary zAAP using samples.
508 1FC R723IFCU 4 binary zAAP on CP using samples. These samples are included in R723CCUS.
512 200 R723IFAD 4 binary zAAP delay samples.
516 204 R723IFAT 8 floating zAAP service time in microseconds. Multiply with R723NFFI and divide by 256 to calculate the equivalent time on a standard CP.
524 20C R723IFCT 8 floating zAAP service time spent on CPs in microseconds.
532 214 R723SUPU 4 binary zIIP using samples.
536 218 R723SUCU 4 binary zIIP on CP using samples.
540 21C R723SUPD 4 binary zIIP delay samples.
544 220 R723CSUP 8 floating Total service units on zIIPs. Multiply with R723NFFS and divide by 256 to calculate the CP equivalent value.
552 228 R723CSUC 8 floating Total service units on CPs spent by zIIP eligible work.
560 230 R723CIFA 8 floating Total service units on zAAPs. Multiply with R723NFFI and divide by 256 to calculate the CP equivalent value.
568 238 R723CIFC 8 floating Total service units on CPs spent by zAAP eligible work.
576 240 R723TPDP 8 floating CPU time consumed while dispatching priority of work with low importance was temporarily raised to help blocked workloads (in 1024 microsecond units).
584 248 R723CPDP 8 floating CPU time consumed while dispatching priority was temporarily raised by chronic resource contention management because the work unit held a resource that other work needed (in 1024 microsecond units).
592 250 R723LPDP 8 floating CPU time consumed while dispatching priority was temporarily raised to shorten the lock hold time of a local suspend lock held by the work unit (in 1024 microsecond units). Only valid if HiperDispatch is active.
600 258 R723SPDP 8 floating CPU time consumed while dispatching priority for a work unit was temporarily raised by the z/OS supervisor to a higher dispatching priority than assigned by WLM (in 1024-microsecond units).
608 260 R723RTDM 4 binary Midpoint of all response times that were collected in the response time distribution buckets in milliseconds. For response time goals, the midpoint is always the response time goal. For execution velocity goals, it is the average of all response times that were collected in the response time distribution buckets.
612 264 R723RTDC 4 binary Number of midpoint changes that occurred during the interval. Number equals zero for response time goals.
616 268 R723RTDT 8 binary Timestamp in STCK format, showing the latest point in time when a midpoint change occurred in R723RTDM.