Re: Reg: % CPU Usage Monitoring

Vern is correct. In the required parameter group of the QWCRSSTS API is a
"Reset status statistics" parameter. From the IBM page:

======================
Reset status statistics

INPUT; CHAR(10)
Whether the status statistics and elapsed time are reset to zero, as if
this were the first call to the API. The statistics will be reset before
new information is gathered. This parameter will also reset the status
statistics on the DSPSYSSTS and Work with System Status (WRKSYSSTS)
commands. This parameter is ignored for format SSTS0100, format SSTS0500,
and format SSTS0600.

*YES Statistics will be reset to zero.
*NO Statistics will not be reset to zero.
======================

Eric Hill
Senior Software Developer
Integrated Corporate Solutions

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-----Original Message-----
From: RPG400-L [mailto:rpg400-l-bounces@xxxxxxxxxxxxxxxxxx] On Behalf Of
Vernon Hamberg
Sent: Thursday, August 22, 2019 5:06 PM
To: RPG programming on IBM i <rpg400-l@xxxxxxxxxxxxxxxxxx>
Subject: Re: Reg: % CPU Usage Monitoring

Look at the documentation for that API - it might have a parameter that
says to reset on the call - that is like F10 in DSPSYSSSTS.

That's just a quick thought - haven't looked at that in a long time.

HTH
Vern

On 8/22/2019 9:56 AM, Suren K wrote:

Hi All,

I am trying to monitor the CPU usage maximum utilization and minimum
utilization when performing a process in iSeries. For this, i am
storing the SYSSTS details into an outfile for every 1 second using
the API QWCRSSTS - Format SSTS0200 - % processing unit used (Position
from 33 to
36) as CPU usage.

Some times it seems to be correct when i compare the value manually by
checking the DSPSYSSTS command. But some time the API is providing the
CPU usage more than 80% but when i look into DSPSYSSTS it will still
showing CPU used only 20%.

Am i not looking into the right place for CPU usage?

Regards,
Surender K

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