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:
|
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.
|
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.
|
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).
|
10 | A | R723CRGF | 1 | binary | Response time goal flags.
|
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. |