DPMON: Work Process Monitoring



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DPMON is abbreviation for Dispatcher Monitor (DPMON – UNIX, Linux & DPMON.exe – Windows), which is located under kernel directory. DPMON check the status of the work processes or the dispatcher queue at operating system level.

Log on at operating system level as the <SID>adm. Use command cdpro to list down the available profile.

> cdpro
> ls
dev_dpmon     START_D02_ITSITI        SID_D02_ITSITI

SID_SCS01_ITSITI     dev_sapstart      START_DVEBMGS00_ITSITI

DEFAULT.PFL  START_SCS01_ITSITI     SID_DVEBMGS00_ITSITI

Start the utility program ‘dpmon’. Use the profile used by the application server.

> dpmon pf=SID_DVEBMGS00_ITSITI
Dispatcher Queue Statistics                     Wed Mar 30 02:02:08 2011
===========================

+------+--------+--------+--------+--------+--------+
|  Typ |    now |   high |    max | writes |  reads |
+------+--------+--------+--------+--------+--------+
| NOWP |      0 |      4 |   2000 | 403381 | 403381 |
+------+--------+--------+--------+--------+--------+
|  DIA |      0 |      6 |   2000 |  50269 |  50269 |
+------+--------+--------+--------+--------+--------+
|  UPD |      0 |      1 |   2000 |      1 |      1 |
+------+--------+--------+--------+--------+--------+
|  ENQ |      0 |      9 |   2000 | 351535 | 351535 |
+------+--------+--------+--------+--------+--------+
|  BTC |      0 |      1 |   2000 |      1 |      1 |
+------+--------+--------+--------+--------+--------+
|  SPO |      0 |      2 |   2000 |    158 |    158 |
+------+--------+--------+--------+--------+--------+
|  UP2 |      0 |      0 |   2000 |      0 |      0 |
+------+--------+--------+--------+--------+--------+


max_rq_id               60512
wake_evt_udp_now        0

wake events             total453350,  udp450669 ( 99%),  shm  2681 (  0%)
since last update       total   500,  udp   500 (100%),  shm     0 (  0%)



q - quit
m - menue

Type ‘m’ to display all the menu available for the dpmon.

--> m

Dispatcher-Monitor-Menue
------------------------
d - dispatcher queue statistics
p - work-process-admin-table
l - work-process-admin-table (long)
t - trace level/components for wp
w - wp_ca blocks
a - appc_ca blocks
b - dump binary content of shared memory blocks
c - comm adm blocks
m - mbuf status
s - service buffer status
v - tm_ad dump
z - sys_ad dump
q - quit

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