This section contains JCT data set information.
Offsets | Name | Length | Format | Description | |
---|---|---|---|---|---|
0 | 0 | R84SZJCT | 4 | binary | Size of a JCT (in bytes). |
4 | 4 | R84REDIO | 4 | binary | Number of JCT read I/Os. |
8 | 8 | R84WRTIO | 4 | binary | Number of JCT write I/Os. |
12 | C | R84JBADD | 4 | binary | Number of jobs added to the job queue. |
16 | 10 | R84JBDEL | 4 | binary | Number of jobs deleted from the job queue. |
JCT data space information: | |||||
20 | 14 | R84DSPFL | 1 | binary | JCT data space flag one
|
21 | 15 | 3 | Reserved. | ||
24 | 18 | R84DSPSZ | 4 | binary | Maximum size of JCT data space, in hundredths of a megabyte. |
JCT data space page fault information: | |||||
28 | 1C | R84RDINS | 4 | binary | Number of JCT read requests where the corresponding JCT data space page(s) were in central storage. |
32 | 20 | R84PRINS | 4 | binary | Percent of JCT read requests where the corresponding JCT data space page(s) were in central storage, in hundredths of a percent. |
36 | 24 | R84RDNIS | 4 | binary | Number of JCT read requests where the corresponding JCT data space page(s) were not in central storage. |
40 | 28 | R84PRNIS | 4 | binary | Percent of JCT read requests where the corresponding JCT data space page(s) were not in central storage. |
44 | 2C | R84WTINS | 4 | binary | Number of JCT write requests where the corresponding JCT data space page(s) were in central storage. |
48 | 30 | R84PWINS | 4 | binary | Percent of JCT write requests where the corresponding JCT data space pages were in central storage, in hundredths of a percent. |
52 | 34 | R84WTNIS | 4 | binary | Number of JCT write requests where the corresponding data space page(s) were not in central storage. |
56 | 38 | R84PWNIS | 4 | binary | Percent of JCT write requests where the corresponding JCT data space page(s) were not in central storage, in hundredths of a percent. |
JCT data space page usage information: | |||||
60 | 3C | R84DUSMN | 4 | binary | Minimum number of JCT data space pages in use. |
64 | 40 | R84DUSAV | 4 | binary | Average number of JCT data space pages in use. |
68 | 44 | R84DUSMX | 4 | binary | Maximum number of JCT data space pages in use. |
JCT data space page utilization: | |||||
72 | 48 | R84DUTMN | 4 | binary | Minimum use of JCT data space pages. This value shows the percentage of the total JCT data space pages that contain allocated JCTs. It is measured in hundredths of a percent. |
76 | 4C | R84DUTAV | 4 | binary | Average percentage of use of JCT data space pages. This value shows the percentage of the total JCT data space pages that contain allocated JCTs. It is measured in hundredths of a percent. |
80 | 50 | R84DUTMX | 4 | binary | Maximum percentage of use of JCT data space pages. This value shows the percentage of the total JCT data space pages that contain allocated JCTs. It is measured in hundredths of a percent. |
84 | 54 | R84PGSRL | 4 | binary | Number of JCT data space pages released. |
Job queue element (JQE) information: | |||||
88 | 58 | R84JQ0SZ | 4 | binary | JQE0 table size, in hundredths of a kilobyte. |
92 | 5C | R84JQ1SZ | 4 | binary | JQE1 table size, in hundredths of a kilobyte. |
96 | 60 | R84JQ2SZ | 4 | binary | JQE2 table size in, hundredths of a kilobyte. |
100 | 64 | R84JQ3SZ | 4 | binary | JQE3 table size, in hundredths of a kilobyte. |
104 | 68 | R84JQ4SZ | 4 | binary | JQE4 table size, in hundredths of a kilobyte. |
JQE4 storage use information: | |||||
108 | 6C | R84JUSMN | 4 | binary | Minimum number of JQE4s in use during interval. |
112 | 70 | R84JUSAV | 4 | binary | Average number of JQE4s in use during interval. |
116 | 74 | R84JUSMX | 4 | binary | Maximum number of JQE4s in use during interval. |
120 | 78 | R84JUTMN | 4 | binary | Minimum percentage of total JQE4 pages that contained allocated JQE4s during this interval, in hundredths of a percent. |
124 | 7C | R84JUTAV | 4 | binary | Average percentage of total JQE4 pages that contained allocated JQE4s during this interval, in hundredths of a percent. |
128 | 80 | R84JUTMX | 4 | binary | Maximum percentage of total JQE4 pages that contained allocated JQE4s during this interval, in hundredths of a percent. |