2. PERFORMANCE REPORTING ANALYSIS › 2.5 Virtual Storage Management Analysis › 2.5.3 Standard Output › 2.5.3.6 Private Storage Usage Plot

2.5.3.6 Private Storage Usage Plot

The Private Storage Usage Plot tracks the use of virtual
storage at a monthly, weekly, daily, hourly, or detail level.

PLOT OPTIONS

The Private Storage Usage Plot supports standard time
selection options as well SYSID selection and external data
selection.  The main selection criteria will likely be the
JOB name.  Normally, one or more plots will be produced for
each job specified.  These options are discussed in Section
2.5.6.

This plot can be produced in two formats:

    o  OVERVIEW
    o  TRENDING


OVERVIEW FORMAT

The OVERVIEW format presents a series of variables dealing
with allocated and free private storage both above and below
16MB.  Figure 2-172 shows the daily form of the plot, using
the OVERVIEW format.

OVERVIEW FORMAT DATA ELEMENTS

The OVERVIEW format data elements are plotted using the first
character of its data element description.  Thus, SYSTEM
REGION is plotted using S.

SYSTEM      The amount of storage allocated in each user
REGION:     region for system functions.

ALLOC.      The amount of storage allocated for the user
USER        region subpools.  These values are found in
REGION:     the VSUAAUSH and VSUAAUSL elements.

FREE USER   The amount of storage in the largest free block
REGION:     of the user region subpools.  These values are
            found in the VSUABUSH and VSUABUSL elements.

LSQA/SWA/   The amount of storage allocated for LSQA and SWA
229/230:    subpools.  These values are found in the VSUAALSH
            and VSUAALSL elements.

COMMON      The amount of storage allocated for all Common
AREA:       Area uses, including PLPA, CSA, and SQA, as well
            as their counterparts above 16MB.  The Common
            Area values are computed by the software from the
            differences between the private area size(s) and
            the size of addressable storage.

                                                 DAILY PRIVATE STORAGE USAGE PLOT
                    SYMBOLS:  S: SYSTEM AREA  A: ALLOC REGION  F: FREE REGION  L: LSQA/ELSQA   C: COMMON AREA
                                     SYSTEM IDENTIFIER=TSO4 Job Identification=JESA TIME ZONE=1
          |
  2097152 +   L    L    L    L    L    L    L    L    L    L    L    L    L    L    L    L    L    L    L    L    L    L
          |
P         |
R 2086912 +   F    F    F    F    F    F    F    F    F    F    F    F    F    F    F    F    F    F    F    F    F    F
I         |
V         |
A   49152 +
T         |
E         |
    36864 +
A         |
R         |
E   34816 +
A         |   A    A    A    A    A    A    A    A    A    A    A    A    A    A    A    A    A    A    A    A    A    A
          |
S   33792 +   C    C    C    C    C    C    C    C    C    C    C    C    C    C    C    C    C    C    C    C    C    C
T         |
O         |
R   16384 +===C====C====C====C====C====C====C====C====C====C====C====C====C====C====C====C====C====C====C====C====C====C==
A         |
G         |
E    8192 +   L    L    L    L    L    L    L    L    L    L    L    L    L    L    L    L    L    L    L    L    L    L
          |   F    F    F    F    F    F    F    F    F    F    F    F    F    F    F    F    F    F    F    F    F    F
U         |
S    7680 +
A         |
G         |
E    6144 +
          |
M         |
A    4096 +
P         |
          |
-    2048 +   A    A    A    A    A    A    A    A    A    A    A    A    A    A    A    A    A    A    A    A    A    A
          |
I         |
N    1024 +
          |
1         |
K       0 +   S    S    S    S    S    S    S    S    S    S    S    S    S    S    S    S    S    S    S    S    S    S
          ----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+--
            12/0112/0212/0312/0612/0712/0812/0912/1012/1312/1412/1512/1612/1712/2012/2112/2212/2312/2412/2712/2812/2912/30
 
                                                               MONTH AND DAY
 

 Figure 2-172. Sample Daily Private Storage Usage Plot - OVERVIEW Option

                            WEEKLY PRIVATE STORAGE USAGE PLOT - TRENDING OPTION
                        REPORTED ELEMENT = VSUAAUSL: Avg K Alc Pg User Region < 16MB
                         SYSTEM IDENTIFIER=TSO4 Job Identification=JESA TIME ZONE=1
       |
A 3276 +
v      |
g      |
  3003 +
K      |
       |
A 2730 +
l      |
c      |
  2457 +
p      |
g      |
  2184 + U                       U                       U                       U                       U
U      |
s      |
e 1911 +
r      |
       |
R 1638 +
e      |
g      |
i 1365 +
o      |
n      |
  1092 +
<      |
       |
1  819 +
6      |
M      |
B  546 +
       |
       |
     0 +
       --+-----------------------+-----------------------+-----------------------+-----------------------+--
        47                      48                      49                      50                      51

 Figure 2-173. Sample Weekly Private Storage Usage Plot - TRENDING Option.

TRENDING OPTION

The TRENDING format permits plotting on any numeric element
present in the selected input file.  Figure 2-173 shows an
example of a weekly Private Storage Usage Plot using the
TRENDING format.