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The automatically monitoring could be made by the icmon tool every 5 second. The monitor interval cannot be changed.
Trigger the following command at OS level as <SID>ADM user:

>icmon pf=<instance profile> >> mpidump.out

You do not see the icmon output, however, it is possible to provide icmon input via keyboard. Type ‘m’, then type ‘y’.
The output will be like following:

> icmon pf=<instance profile> >> mpidump.out
m
y

Checking the content of mpidump.out it is possible to see a new entry like following every 5 seconds:

-->
MPI Dump Wed May 4 19:45:26 2016
========
==================================================================
MPI Summary
==================================================================
max. Pipes = 4000 / used = 1
max. Buffers = 31976 (buffer size = 65584)
used = 0 / peak = 5 / free = 22384 (non reserevd)
reserved = 9592
dynamic quota = 10% (of current non-reserved free space)
==================================================================
MPI Pipes
==================================================================
<GUID> EYE NAM ID TAG FLAGS STATUS NBUF ALLOC(MAX) OPEN(R) OPEN(W)
==================================================================
MPI<2>: 4d50494d 'ANON' 0 1 0 0 0 0(7994) 1(30001) 1(30001)
 q - quit
 m - menue
-->

To finish the monitoring action just type q in the screen.

> icmon pf=<instance profile> >> mpidump.out
m
y
q
>

 

 

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