Cache statistics record layout
The following table shows the record layout for cache statistics.
Offset (Dec) | Format | Length | Description | SAS format |
|---|---|---|---|---|
SMF header | ||||
1 | Binary | 1 | System indicator | PIB1. |
2 | Binary | 1 | Record number | PIB1. |
3 | NA | 8 | SMF Timestamp | SMFSTAMP8 |
11 | Char | 4 | SID | $4. |
XBM header | ||||
15 | Binary | 1 | Record Type | PIB1. |
16 | Char | 4 | XBM SSID | $4. |
20 | Char | 8 | Version text | $8. |
28 | Binary | 1 | Number of sections | PIB1. |
Cache statistics section | ||||
00 | Binary | 4 | Length of Section | PIB4. |
04 | Binary | 4 | Object ID (Cache = 106) | PIB4. |
08 | NA | 4 | Reserved | NA |
12 | NA | 4 | Reserved | NA |
16 | NA | 2 | Reserved | NA |
18 | NA | 2 | Reserved | NA |
20 | Char | 4 | Eye-catcher 'CACH' | $4. |
24 | NA | 4 | Reserved | NA |
28 | Char | 6 | Cache name | $5. |
34 | Char | 22 | Cache description | $22. |
56 | Binary | 1 | Cache type | PIB1. |
57 | Binary | 1 | Compress switch | PIB1. |
58 | Binary | 1 | Simulate switch | PIB1. |
59 | Binary | 1 | Acquire resource switch | PIB1. |
60 | NA | 4 | Reserved | NA |
64 | NA | 4 | Reserved | NA |
68 | NA | 4 | Reserved | NA |
72 | NA | 4 | Reserved | NA |
76 | NA | 8 | Cache creation time | NA |
84 | Binary | 8 | Cache size in bytes | PIB8. |
92 | Binary | 8 | Used bytes | PIB8. |
100 | Binary | 8 | Original bytes | PIB8. |
108 | Binary | 8 | Compressed bytes | PIB8. |
116 | Binary | 8 | Writes | PIB8. |
124 | Binary | 8 | Snapshot of Writes | PIB8. |
132 | Binary | 8 | Snapshot of Writes1 | PIB8. |
140 | Binary | 8 | Write request failures | PIB8. |
148 | Binary | 8 | Reads | PIB8. |
156 | Binary | 8 | Snapshot of Reads | PIB8. |
164 | Binary | 8 | Snapshot of Reads1 | PIB8. |
172 | Binary | 8 | Read request failures | PIB8. |
180 | Binary | 8 | Write access bytes | PIB8. |
188 | Binary | 8 | Snapshot of WBYTES | PIB8. |
196 | Binary | 8 | Snapshot of WBYTES1 | PIB8. |
204 | Binary | 8 | Write access time | PIB8. |
212 | Binary | 8 | Snapshot of WTIME | PIB8. |
220 | Binary | 8 | Snapshot of WTIME1 | PIB8. |
228 | Binary | 8 | Read access bytes | PIB8. |
236 | Binary | 8 | Snapshot of RBYTES | PIB8. |
244 | Binary | 8 | Snapshot of RBYTES1 | PIB8. |
252 | Binary | 8 | Read access time | PIB8. |
260 | Binary | 8 | Snapshot of RTIME | PIB8. |
268 | Binary | 8 | Snapshot of RTIME1 | PIB8. |
276 | NA | 8 | Timestamp | NA |
284 | Binary | 8 | Total data sets | RB8. |
292 | Binary | 8 | Interval seconds | RB8. |
300 | Char | 35 | Configuration name | $32. |
340 | Binary | 8 | Cache high water mark | PIB8. |
Configuration start statistics section | ||||
00 | Binary | 4 | Length of Section | PIB4. |
04 | Binary | 4 | Object ID (Start record = 1) | PIB4. |
08 | Char | 8 | User ID | $8. |
17 | Char | 32 | Configuration | $32. |
50 | Char | 32 | Management set name | $32. |
83 | Char | 32 | Group name | $32. |
Configuration stop statistics section | ||||
00 | Binary | 4 | Length of Section | PIB4. |
04 | Binary | 4 | Object ID (Stop record = 2) | PIB4. |
08 | Binary | 8 | Return code | PIB4. |
12 | Char | 32 | Configuration | $32. |
Configuration change statistics section | ||||
00 | Binary | 4 | Length of Section | PIB4. |
04 | Binary | 4 | Object ID (Change record = 3) | PIB4. |
08 | Binary | 32 | Configuration | $32. |
41 | Char | 8 | User ID | $8. |
50 | Char | 2 | Reserved | $2. |
52 | Binary | 4 | Pageable virtual storage size | PIB4. |
56 | Binary | 4 | Fixed virtual storage size | PIB4. |
60 | Binary | 4 | Data space size | PIB4. |
64 | Binary | 4 | Hiperspace size | PIB4. |
68 | Binary | 4 | Reserved | PIB4. |
72 | Binary | 4 | Pageable virtual storage compression flag ‘y’ | PIB4. |
76 | Binary | 4 | Fixed virtual storage compression flag ‘y’ | PIB4. |
80 | Binary | 4 | Data space compression flag ‘y’ | PIB4. |
84 | Binary | 4 | Hiperspace compression flag ‘y’ | PIB4. |
88 | Binary | 4 | Simulate flag ‘y’ | PIB4. |
92 | Binary | 4 | Acquire flag ‘y’ | PIB4. |
96 | Binary | 8 | Create date | PIB8. |
104 | Binary | 8 | Change date | PIB8. |
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