For fields of format Mixed(1) containing data from below 16 megabytes,
use only the first 20 bytes. For fields of this format containing
data from both below and above 16 megabytes, use all 40 bytes.
Table 1. Byte structure for
data collected below 16 megabytes - Mixed(1)| Offsets |
Name |
Length |
Format |
Description |
|---|
| 0 |
0 |
VSDBMIN |
4 |
binary |
Minimum value for below 16 megabytes. |
| 4 |
4 |
VSDBNTME |
4 |
binary |
Time stamp for minimum. Format is high-order bytes
of time-of-day (TOD) clock. |
| 8 |
8 |
VSDBMAX |
4 |
binary |
Maximum value for below 16 megabytes. |
| 12 |
C |
VSDBXTME |
4 |
binary |
Time stamp for maximum. Format is high-order bytes
of time-of-day (TOD) clock. |
| 16 |
10 |
VSDBTOTL |
4 |
floating |
Total for all samples below 16 megabytes (used
to calculate average). See SMF78SAM to calculate averages for Common
Storage data section fields, and R782SAMP to calculate averages for
private area data and Private Subpool section fields. |
Table 2. Byte structure for
data collected above 16 megabytes - Mixed(1)| Offsets |
Name |
Length |
Format |
Description |
|---|
| 20 |
14 |
VSDAMIN |
4 |
binary |
Minimum value for above 16 megabytes. |
| 24 |
18 |
VSDANTME |
4 |
binary |
Time stamp for minimum. Format is high-order bytes
of time-of-day (TOD) clock. |
| 28 |
1C |
VSDAMAX |
4 |
binary |
Maximum value for above 16 megabytes. |
| 32 |
20 |
VSDAXTME |
4 |
binary |
Time stamp for maximum. Format is high-order bytes
of time-of-day (TOD) clock. |
| 36 |
24 |
VSDATOTL |
4 |
floating |
Total for all samples above 16 megabytes (used
to calculate average). |
Table 3. Byte structure for Mixed(2)| Offsets |
Name |
Length |
Format |
Description |
|---|
| 0 |
0 |
VSDGMIN |
8 |
floating |
Minimum number of bytes allocated above 2GB. |
| 8 |
8 |
VSDGNTME |
4 |
binary |
Time stamp for minimum value. |
| 12 |
C |
|
4 |
|
Reserved. |
| 16 |
10 |
VSDGMAX |
8 |
floating |
Maximum number of bytes allocated above 2GB. |
| 24 |
18 |
VSDGXTME |
4 |
binary |
Time stamp for maximum value. |
| 28 |
1C |
|
4 |
|
Reserved. |
| 32 |
20 |
VSDGTOTL |
8 |
floating |
Total for all samples above 2GB (used to calculate
the average). |
| 40 |
28 |
VSDGHWM |
8 |
floating |
Peak number of bytes allocated in storage above
2GB. |
Table 4. Byte structure
for Mixed(3)| Offsets |
Name |
Length |
Format |
Description |
|---|
| 0 |
0 |
VSDCMIN |
8 |
floating |
Minimum number high virtual memory
objects / frames |
| 8 |
8 |
VSDCNTME |
4 |
binary |
Time stamp for minimum value. |
| 12 |
C |
|
4 |
|
Reserved. |
| 16 |
10 |
VSDCMAX |
8 |
floating |
Maximum number of high virtual memory
objects / frames |
| 24 |
18 |
VSDCXTME |
4 |
binary |
Time stamp for maximum value. |
| 28 |
1C |
|
4 |
|
Reserved. |
| 32 |
20 |
VSDCTOTL |
8 |
floating |
Total for all samples (used to calculate the average). |