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SM2R1 analysis routine examples

All of the examples provided for the SM2R1 analysis routine presuppose specification of the input and output files either in the START-SM2R1 command or assignment via file link name.

The following examples are also in the SYSLIB.SM2.170 library.

Example SM2R1.REPORTS.1

In this example, a header (SET-TITLE) is specified and system configuration output (PRINT-CONFIGURATION) is requested. Analysis begins on <date> at 12.40 and ends on the same day at 14.30. The analysis period is subdivided into subintervals with a uniform duration of 60 seconds each. Charts and statistics are output for report groups CPU and IO.

Response time reports are to be analyzed only for specific connection groups already provided by SM2.

/START-SM2R1 MONITOR-FILE-NAME = SM2.SAM.MANUAL.V17.0A
  SET-TITLE TEXT = 'SM2R1 MANUAL EXAMPLE'
  SET-EVALUATION-PERIOD EVALUATION-PERIOD = *PERIOD (                  -
                         FROM = *DATE (DAY=08-12-09,   TIME=12:40:00), -
                         TO   = *DATE (DAY=*START-DATE,TIME=14:30:00), -
                         TIME-STEPS = 60 (DIMENSION=*SECONDS))
 PRINT-CONFIGURATION
 PRINT-REPORTS INFORMATION = *DIAGRAMS,                                -
               REPORT-LIST = (*CPU,*IO)
 END

Example SM2R1.REPORTS.2

The analysis period is divided into subintervals with a uniform duration of 5 minutes each. Analysis begins on <date> and ends on the same day. SM2 data from 0:00 to 13:00 and from 14:00 to 23:59:59 is masked out, so that only statistics averaged in the time slot (over 5 minutes) are output. All variables reports to which monitored data can be assigned are output. No charts are output.

In addition, the SM2 output file is analyzed from the beginning of the file till <date> (23:59:59). Bar charts and statistics are output for the report groups CPU, IO and CHANNEL. The values are averaged over 2 minutes.

/START-SM2R1 MONITOR-FILE-NAME = SM2.SAM.MANUAL.V17.0
  SET-TITLE TEXT = 'SM2R1 MANUAL EXAMPLE'
  SET-EVALUATION-PERIOD EVALUATION-PERIOD = *PERIOD(    -
                         FROM = *DATE (DAY=08-12-09),   -
                         TO   = *DATE (DAY=08-12-09),   -
                         TIME-STEPS = 5 (DIMENSION = *MINUTES))
  SET-REPORT-FOCUS FOCUS = *DEFINED (FROM=13:00:00, TO=14:00:00)
  PRINT-REPORTS INFORMATION = *STATISTICS,              -
                REPORT-LIST = *ALL
  SET-EVALUATION-PERIOD EVALUATION-PERIOD= *PERIOD(     -
                         FROM = *START,                 -
                         TO   = *DATE (DAY=08-12-09),   -
                         TIME-STEPS = 2 (DIMENSION = *MINUTES))
  PRINT-REPORTS INFORMATION = *DIAGRAMS,                -
                REPORT-LIST = (*CPU, *IO, *CHANNEL)
  END

Example SM2R1.TASK.STATISTICS

In this example, a header (SET-TITLE) is specified. Analysis extends over the whole SM2 output file. The tasks whose TSNs are specified under TSN= are analyzed with the maximum amount of detail.

/START-SM2R1 .......
  SET-TITLE TEXT='SM2R1 MANUAL EXAMPLE'
  PRINT-TASK-STATISTICS INFORMATION=*HIGH,TSN=(1M0Q,1M55,1PAN)
  END

Example SM2R1.CREATE.USERID.SET

In this example, a header (SET-TITLE) is specified. Analysis extends over the whole SM2 output file. The data of all the tasks specified via the user IDs given under USERID-SET is grouped in classes ABC and XY and output only once per class with the maximum amount of detail. No separate reports are output for the individual tasks. The remaining tasks are grouped and output in a remainder class. Task queue statistics are also output.

/START-SM2R1 .......
  SET-TITLE TEXT='SM2R1 MANUAL EXAMPLE'
  CREATE-USERID-SET SET-NAME=ABC,USER-ID=(ABCSPOOL,ABCDIAG,ABCKLI)
  CREATE-USERID-SET SET-NAME=XY,USER-ID=(XY333,XYSWN,XY2631V8)
  PRINT-TASK-STATISTICS INFORMATION=*HIGH,TSN=*NONE,USERID-SET=(ABC,XY)
  PRINT-QUEUE-TRANSITION
  END

Example SM2R1.SUMMARY

In this example, a header (SET-TITLE) is specified. Analysis extends over the period of august 2008. A summary ACTIVITY report is output every day.

/START-SM2R1 .......
  SET-TITLE TEXT = 'SM2R1 MANUAL EXAMPLE'
  SET-EVALUATION-PERIOD EVALUATION-PERIOD = *MONTH (YEAR=08, MONTH=8)
  PRINT-SUMMARY PARTITION       = 1 (DIMENSION = *DAYS), -
                SUMMARY-REPORTS = *ACTIVITY
  END

Example SM2R1.ALL

/BEGIN-PROCEDURE LOGGING=A
/ASSIGN-SYSDTA TO-FILE=*SYSCMD
/CREATE-FILE FILE-NAME = SM2R1.OUT.MANUAL,                  -
/            SUPPORT  =  PUBLIC-DISK (SPACE = *RELATIVE(    -
/                          PRIMARY-ALLOCATION   = 576,      -
/                          SECONDARY-ALLOCATION = 576)) ----------------- (1) 
/START-SM2R1 MONITOR-FILE-NAME    = SM2.SAM.MANUAL.V17.0A,  -
/            LIST-FILE-NAME       = SM2R1.OUT.MANUAL,       -
/            EVALUATION-FILE-NAME = SM2R1.OUT.EVALDATA ————————————————  (2) 
  SET-TITLE TEXT = '***** SM2R1 - EXAMPLE *****' ——————————————————————  (3) 
  SET-EVALUATION-PERIOD EVALUATION-PERIOD = *PERIOD (
                          FROM = *DATE (DAY=2008-12-09,TIME=12:36:00),
                          TO   = *DATE (DAY=2008-12-09,TIME=14:38:00),
                          TIME-STEPS = 60 (DIMENSION = *SECONDS))——————  (4) 
  PRINT-CONFIGURATION——————————————————————————————————————————————————  (5) 
  PRINT-SUMMARY SUMMARY-REPORTS = (*ACTIVITY, *PCS)————————————————————  (6) 
  PRINT-QUEUE-TRANSITION———————————————————————————————————————————————  (7) 
  PRINT-TASK-STATISTICS INFORMATION = *HIGH,                  -
                        TSN         = *NONE ———————————————————————————  (8) 
  MODIFY-REPORT-CONDITIONS REPORT-NUMBER = 10,                -
                           ITEM-NUMBER   = 1,                 -
                           UPPER-LIMIT   = 10,                -
                           COMPARE-VALUE = *MEAN-VALUE—————————————————  (9) 
  MODIFY-REPORT-CONDITIONS REPORT-NUMBER = 102,              -
                           ITEM-NUMBER   = 1,                -
                           UPPER-LIMIT   = 80,               -
                           COMPARE-VALUE = *MEAN-VALUE
  MODIFY-REPORT-CONDITIONS REPORT-NUMBER = 102,              -
                           ITEM-NUMBER   = 2,                -
                           UPPER-LIMIT   = 80,               -
                           COMPARE-VALUE = *MEAN-VALUE————————————————— (10) 
  MODIFY-REPORT-CONDITIONS REPORT-NUMBER = 102,              -
                           ITEM-NUMBER   = 3,                -
                           UPPER-LIMIT   = 80,               -
                           COMPARE-VALUE = *MEAN-VALUE
  PRINT-REPORTS INFORMATION = *DIAGRAMS,                               -
                REPORT-LIST = (*CPU  (REPORT-NUMBER = (*1,*137))       -
                               *IO,                                    -
                               *DISK (SPECIFIED = *DEVICE(             -
                                        DEVICE=D192),                  -
                                      REPORT-NUMBER = (*124,*125,*127),-
                                      CONDITIONED-REPORTS = *NO),      -
                               *DEVICE  (DEVICE = *SPECIFIED(          -
                                          DEVICE = D192)),             -
                               *CHANNEL)——————————————————————————————— (11) 
  START-AUTOMATIC-ANALYSIS MAIN-APPLICATION = *DIALOG,                 -
                           OUTPUT-MEDIUM    = SYSLST——————————————————— (12) 
  END
/PRINT-DOCUMENT FROM-FILE       = SM2R1.OUT.MANUAL,                    -
/               DOCUMENT-FORMAT = *TEXT(                               -
/                                  LINE-SPACING=*BY-EBCDIC-CONTROL)———— (13) 
/END-PROCEDURE

(1)

Create the SM2 output file (SM2R1 list file).

(2)

Start SM2R1 and assign the input and output files.

(3)

Output a header for all pages of the SM2R1 analysis report.

(4)

Define the analysis period and analysis subinterval: analysis dated <date> from 12:36:00 to 14:38:00 in subintervals of 60 seconds.

(5)

Output category-specific queue statistics.

(6)

Output a SUMMARY for the most important global monitoring data (ACTIVITY) and category-specific monitoring data regarding the performance control system (PCS).

(7)

Output category-specific queue statistics.

(8)

Output task statistics (summarized by categories) and a hit list of the TSNs with the greatest consumption.

(9)

Modify the threshold value for channel statistics. Report 10 is only to be output if the average value in the analysis period is greater than 10% for “BUSY STATE FOR CHANNEL” (ITEM-NUMBER=1).

(10)

Modify threshold values for channel statistics. Report 102 is only to be output if the average values in the analysis period are greater than 80 I/Os for“IO'S (BY PAM-TRANSFER) FOR CHANNEL” (ITEM-NUMBER=1), “IO'S (BY BYTE-TRANSFER) FOR CHANNEL” (ITEM-NUMBER=2) or for“IO'S (BY NODATA-TRANSFER) FOR CHANNEL” (ITEM-NUMBER=3).

(11)

Output monitoring data in chart form and as statistical values for the report groups *CPU, *IO, *DISK, *DEVICE and *CHANNEL. Report 1 (CPU load) and report 137 (TU and TPR SVCs per second) are to be output for *CPU. In the case of *DISK, only reports 124, 125 and 127 are to be output for DEVICE=D192 and the default threshold values should not be taken into account. Only device D192 is to be taken into account for *DEVICE. The threshold values as modified under points 9 and 10 are valid for *CHANNEL.

(12)

Start automatic bottleneck analysis with output of results to the SM2R1 report file (main application type is dialog mode).

(13)

Print results.

The default threshold values or modified threshold values used for suppressing reports are not usually into account when the monitored data is output to the transfer file or when PRINT-SUMMARY is specified.
                   ***** SM2R1 - EXAMPLE *****

                   SM2 SUMMARY ACTIVITY REPORT 1 

                          REPORTING PERIOD 
                          ================
              FROM :               <date>   , 12:36:02 
              TO   :                          14:36:01 
              BY   :                           0:01:00 

                            SYSTEM DATA 
                            ===========
              SYSTEM NAME               :     I11BXS 
              MACHINE TYPE              :      S180-30 
              SESSION #                 :          192 
              BS2000 VERSION            :          180 
              HOST                      :     HOST0001 
              MAIN MEMORY           [KB]:      3932164 
              CLASS 1 MEMORY        [KB]:         4124 
              CLASS 2 MEMORY        [KB]:        10720 

                   TASK AND RESPONSE TIME SUMMARY 
                   ============================== 
#TASKS 
---------------------------------- AVG ---- MIN ---- MAX --- SDEV -- 
SYS                           :   169.256  168.700  170.400    0.448 
BATCH                         :   108.200  102.000  117.600    4.918 
DIALOG                        :   167.334  153.000  175.800    5.785 
TP                            :    57.999   57.900   58.100    0.025 

QUEUE STATISTICS [#TASKS] 
---------------------------------- AVG ---- MIN ---- MAX --- SDEV -- 
IN CPU QUEUE                  :     1.638    0.200    5.800    1.178 
IN PAGING QUEUE               :         0        0        0        0 
IN IO QUEUE                   :     0.193    0.000    0.600    0.164 
ACTIVE                        :   150.185  140.000  158.200    4.817 
INACT READY                   :         0        0        0        0 
NOT ADMITTED                  :         0        0        0        0 
INACT NOT READY               :   352.603  340.900  362.100    5.830 
TOTAL                         :   502.789  490.000  506.900    3.332 

RESPONSE TIME STATISTICS 
---------------------------------- AVG ---- MIN ---- MAX --- SDEV -- 
MEAN THINK TIME           [S] :     0.556    0.118    6.652    1.140 
MEAN RESPONSE TIME (1)    [S] :     0.202    0.035    2.182    0.386 
MEAN RESPONSE TIME (2)    [S] : 
MEAN TRANSACTION TIME     [S] :     0.471    0.088    2.852    0.738 
TRANSACTION RATE         [1/S]:   104.349   19.264  282.774   68.113 
RESPONSE RATE (1)        [1/S]:   104.485   19.438  282.884   68.081 
RESPONSE RATE (2)        [1/S]:

                   ***** SM2R1 - EXAMPLE *****

                    SM2 SUMMARY ACTIVITY REPORT 2 

                          SYSTEM STATISTICS 
                          =================

CPU STATISTICS [NORMED %] 
---------------------------------- AVG ---- MIN ---- MAX --- SDEV -- 
TU TIME                       :     7.133    0.706   17.283    4.176 
TPR TIME                      :    22.172    7.103   39.664    6.190 
SIH TIME                      :    15.582    1.526   27.749    8.892 
IDLE TIME                     :    55.114   26.969   88.905   14.450 
STOP TIME                     :         0        0        0        0 
ACTIVE LOGICAL MACHINES       :     2.000    2.000    2.000    0.000

IO STATISTICS [1/S] 
---------------------------------- AVG ---- MIN ---- MAX --- SDEV -- 
NON PAGING DISK IO'S          :   294.006   69.638  922.578  179.042 
PAGING IO'S                   :     0.003    0.000    0.017    0.005 
TAPE IO'S                     :     3.053    0.798    5.148    1.734 
PRINTER IO'S                  :         0        0        0        0 
OTHER                         :  1954.298  124.230 3793.191 1288.260 

MEMORY STATISTICS 
---------------------------------- AVG ---- MIN ---- MAX --- SDEV -- 
#CLASS 3 PAGES                :     14440    14220    14678      119 
#CLASS 4 PAGES                :     45645    45602    46001       79 
AVAILABLE PAGES (NPP)         :    821291   820540   822536      570 
WSET ACT TASKS (PPC)          :     26562    25556    27446      557 
WSET INACT READY TASKS (PPC)  :         0        0        0        0 
USED PAGES ACT TASKS          :    366867   358103   376332     5640 
USED PAGES INACT READY TASKS  :     0.132    0.000    3.000    0.545 
(WSET ACT + INACT READY) / NPP:     0.032 
TOTAL # PAGE FAULTS      [1/S]:   716.030  103.488 1789.060  397.869 
# PAGE RECLAIMS          [1/S]:     0.273    0.000    7.737    1.636 
# FIRST PAGE ACCESS      [1/S]:   715.754  103.488 1783.566  397.292 
# PAGE WRITES TO DISK    [1/S]:     0.001    0.000    0.012    0.003 
# PAGE READS FROM DISK   [1/S]:     0.002    0.000    0.017    0.004 

PAGINGAREA STATISTICS 
---------------------------------- AVG ---- MIN ---- MAX --- SDEV -- 
PAGES ON PAGING DEVICE(S)     :   3840006  3840006  3840006        0 
USED PAGES ON PAGING DEVICE(S):   1074711   846253  1879596   386794 

                   ***** SM2R1 - EXAMPLE *****

                   SM2 SUMMARY ACTIVITY REPORT 3 

                        CHANNEL STATISTICS 
                        ==================

CHANNEL BUSY STATE [%] 
---------------------------------- AVG ---- MIN ---- MAX --- SDEV -- 
CHANNEL PATH ID: 0018 (TYP FC) :    1.495    0.000    4.160    0.865 
CHANNEL PATH ID: 0058 (TYP FC) :    1.478    0.000    4.160    0.849 
CHANNEL PATH ID: 0098 (TYP FC) :    1.478    0.000    4.160    0.857 
CHANNEL PATH ID: 00D8 (TYP FC) :    1.473    0.000    4.160    0.857 

CHANNEL IO RATE [1/S] 
---------------------------------- AVG ---- MIN ---- MAX --- SDEV -- 
CHANNEL PATH ID: 0018 (TYP FC) :   73.693   17.475  230.922   44.784 
CHANNEL PATH ID: 0058 (TYP FC) :   73.181   17.113  230.153   44.739 
CHANNEL PATH ID: 0098 (TYP FC) :   73.567   17.508  230.494   44.747 
CHANNEL PATH ID: 00D8 (TYP FC) :   73.230   17.296  230.644   44.802 

CHANNEL PAM PAGES [1/S] 
---------------------------------- AVG ---- MIN ---- MAX --- SDEV -- 
CHANNEL PATH ID: 0018 (TYP FC) :  270.177   30.922  778.061  147.763 
CHANNEL PATH ID: 0058 (TYP FC) :  268.779   30.390  774.729  147.475 
CHANNEL PATH ID: 0098 (TYP FC) :  269.036   31.559  772.905  147.903 
CHANNEL PATH ID: 00D8 (TYP FC) :  268.295   30.889  765.916  147.185 

                   ***** SM2R1 - EXAMPLE *****

                   SM2 SUMMARY ACTIVITY REPORT 4 

                        DEVICE STATISTICS 
                        ================= 

DEVICE BUSY STATE (NON PAGING) [%] 
---------------------------------- AVG ---- MIN ---- MAX --- SDEV -- 
D186      2ODS.0               :    3.246    0.000   44.925    7.891 
D189      2ODS.3               :    3.219    0.000   37.752    6.724 
D156      WORK01               :    2.769    0.000    9.983    3.476 
D1FB      PUB002               :    2.673    0.000   57.807   10.059 
D336                           :    1.489    0.000    4.464    0.711 
D32B      2RZV.B               :    1.085    0.000    3.328    1.177 
B336                           :    1.068    0.000    2.899    0.998 
B337                           :    0.958    0.000    5.824    1.285 
D1FC      PUB003               :    0.958    0.000   16.162    3.130 
B3A3      6VS1.1               :    0.919    0.000    3.968    0.940 

DEVICE BUSY STATE (PAGING) [%] 
---------------------------------- AVG ---- MIN ---- MAX --- SDEV -- 
D186      2ODS.0               :        0        0        0        0 
D189      2ODS.3               :        0        0        0        0 
D156      WORK01               :        0        0        0        0 
D1FB      PUB002               :        0        0        0        0 
D336                           :        0        0        0        0 
D32B      2RZV.B               :        0        0        0        0 
B336                           :        0        0        0        0 
B337                           :        0        0        0        0 
D1FC      PUB003               :        0        0        0        0 
B3A3      6VS1.1               :        0        0        0        0 

DEVICE IO RATE [1/S] 
---------------------------------- AVG ---- MIN ---- MAX --- SDEV -- 
D186      2ODS.0               :   29.353    0.000  411.786   72.042 
D189      2ODS.3               :   37.029    0.000  377.904   82.775 
D156      WORK01               :   30.777    0.000  122.808   37.459 
D1FB      PUB002               :   24.476    0.000  592.332  102.823 
D336                           :   11.332    0.120   14.911    2.234 
D32B      2RZV.B               :   12.583    0.000   42.473   14.107 
B336                           :    7.243    0.120   15.589    5.493 
B337                           :    5.361    0.000   12.712    5.761 
D1FC      PUB003               :    2.651    0.000   26.563    6.878 
B3A3      6VS1.1               :    6.466    0.882   14.606    3.993 

DEVICE DATA RATE [KB/S] 
---------------------------------- AVG ---- MIN ---- MAX --- SDEV -- 
D186      2ODS.0               :  117.397    0.000 1647.127  288.171 
D189      2ODS.3               :  135.432    0.000 1237.548  250.348 
D156      WORK01               :  113.828    0.000  452.796  139.827 
D1FB      PUB002               :  169.605    0.000 2258.543  436.049 
D336                           :    8.151    0.160   10.845    1.588 
D32B      2RZV.B               :  347.183    0.000 1183.730  394.708 
B336                           :    5.412    0.160   10.845    3.349 
B337                           :    3.675    0.000    8.253    3.928 
D1FC      PUB003               :  162.673    0.000 3000.107  568.334 
B3A3      6VS1.1               :   27.664    2.246   76.189   23.557 

                            ***** SM2R1 - EXAMPLE *****

*CPU: UTILIZATION NORMED (REPORT   1)
ALL PROCESSORS                                                              HOST0001
ACCUMULATED               EVALUATION FROM   <date>, 12:36:02 TO 14:12:01 BY 0:01:00

ID - MEASURED TERM , UNIT IS PERCENT --------- AVG ---- MIN ---- MAX ---- SDEV -- CNT
 1 = TU TIME                                    6.466    0.706   17.283    3.886   27
 . = TPR TIME                                  23.336   16.955   39.664    5.264   27
 3 = SIH TIME                                  18.529    2.846   27.749    7.168   27
   = IDLE TIME                                 51.669   26.969   75.907   12.538   27
 - = STOP TIME                                      0        0        0        0   27

               +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
      100.000 +                                                                                                 +
              |                                                                                                 |
              |                                                                                                 |
              |                                                                                                 |
              |                                                                                                 |
       90.000 +                                                                                                 +
              |                                                                                                 |
              |                                                                                                 |
              |                                                                                                 |
              |                                                                                                 |
       80.000 +                                                                                                 +
              |                                                                                                 |
              |                                                                                                 |
              |                                                                                                 |
              |                3                                                                                |
       70.000 +                3                                                                                +
              |3               3                                                                                |
              |3  3        3   3                                                                                |
              |3  3        3   3                                                                                |
              |3  3        3   3                                                                                |
       60.000 +3  3        3   3                   3                                                            +
              |3  3        3   3         3         3                                                            |
              |3  3        3   3    3 3  3         3                                                            |
              |3  3    3   3   3    3 3  3         3                                                            |
              |3  3    3   3   3    3 3  33   3    3   3                                                        |
       50.000 +3  3    3   3   3   33 3  33   3    3   3      3                                                 +
              |3  3    3   3   3   33 3  33   3    3   3   3  3                   3                             |
              |3  3    3   3   .   33 3  33   3    3   3   3  3    3              3               3             |
              |3  3    3   3   .   33 3  33   3    3   3   3  3    3   3          3               3             |
              |3  3    3   3   .   33 3  33   3    3   3   3  3    3   3      3   3    3          3             |
       40.000 +.  .    3   .   .   33 3  33   3    3   3   3  3    3   3      3   3    3   3      3             +
              |.  .    3   .   .   33 3  33   3    .   3   3  3    3   3   3  3   3    3   3      .             |
              |.  .    3   .   .   33 3  33   3    .   3   3  3    3   3   3  3   3    3   3      .             |
              |.  .    3   .   .   33 3  .3   3    .   3   3  3    3   3   3  3   3    3   3      .             |
              |.  .    3   .   .   33 .  .3   3    .   3   3  .    3   3   3  3   3    3   3      .    3        |
       30.000 +.  .    .   .   .   3. .  .3   3    .   .   3  .    3   3   3  3   3    3   3  3   .    3        +
              |.  .    .   .   .   3. .  ..   .    .   .   .  .    3   3   3  3   3    3   3  3   .    .        |
              |.  .    .   .   .   .. .  ..   .    .   .   .  .    .   3   3  3   .    3   3  3   .    .        |
              |.  .    .   .   .   .. .  ..   .    .   .   .  .    .   .   3  .   .    3   3  3   .    .   3   3|
              |.  .    .   .   .   .. .  ..   .    .   .   .  .    .   .   3  .   .    .   .  3   .    .   3   3|
       20.000 +.  .    .   .   .   .. .  ..   .    .   .   .  .    .   .   .  .   .    .   .  .   .    .   .   3+
              |.  .    .   .   .   .. .  ..   .    .   .   .  .    .   .   .  .   .    .   .  .   .    .   .   .|
              |.  .    .   .   1   .. .  ..   .    .   .   .  .    .   .   .  .   .    .   .  .   .    .   .   .|
              |.  .    .   1   1   .. .  ..   .    .   .   .  .    .   .   .  .   .    .   .  .   .    .   .   .|
              |.  .    .   1   1   .. .  ..   .    .   .   .  .    .   .   .  .   .    .   .  .   .    .   .   .|
       10.000 +.  1    .   1   1   .. .  ..   .    .   .   .  .    .   .   .  .   .    .   .  .   .    .   .   .+
              |.  1    1   1   1   .. .  ..   .    1   .   .  1    .   .   .  .   .    .   .  .   .    .   .   .|
              |.  1    1   1   1   1. 1  1.   1    1   1   1  1    .   1   .  .   .    .   .  .   .    .   .   .|
              |.  1    1   1   1   11 1  11   1    1   1   1  1    1   1   .  .   .    .   .  .   1    .   .   .|
              |.  1    1   1   1   11 1  11   1    1   1   1  1    1   1   1  1   1    1   1  1   1    1   1   1|
        0.000 +1  1    1   1   1   11 1  11   1    1   1   1  1    1   1   1  1   1    1   1  1   1    1   1   1+
               +-----------+-----------+-----------+-----------+-----------+-----------+-----------+-----------+
            12:36:00    12:48:00    13:00:00    13:12:00    13:24:00    13:36:00    13:48:00    14:00:00    14:12:00 TIME
            <date>