8.99 MAXRATES (Display highest MIPS/SIO rate or set new reporting
interval)

8.99.1 Function

The MAXRATES command shows the maximum observed MIPS (million instructions per second) and
SIO (Start I/O) rates reached during the current reporting interval (up to the time the command is issued).
It lets you also set the MAXRATES reporting interval to a new value.

If there is no MAXRATES reporting interval set in the configuration file then the default value for reporting
the rates is 1440 minutes (1 day). When the interval is expired a MAXRATES command is automatically
issued. The current rates will also be displayed during shutdown of Hercules.

8.99.2 Syntax

Descriptive

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Diagram

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8.99.3 Parameter

interval

This is the new interval time in minutes. The default MAXRATES interval that is
active after startup of Hercules (if not otherwise specified in the configuration file),
is 1440 minutes (1 day). Changes to the MAXRATES interval that are other than
“MIDNIGHT” will set the current interval start time to the present; this includes a
value of “1440”.

MIDNIGHT

Sets the interval to 1440 minutes (1 day) and the start time for the interval timer to
midnight of the current day. This will cause the MAXRATE statistics to be date
aligned.

8.99.4 Examples

Example 1:

Change the MAXRATES interval from the default value (or the last manually set interval value) to 60
minutes.

HHC00013I Herc command: 'maxrates 60'

HHC02204I maxrates set to 60 minutes

Figure 187: MAXRATES command (set the interval time)

Example 2:

Display the maximum observed MIPS and I/O rates during the last interval.

HHC00013I Herc command: 'maxrates'

HHC02272I Highest observed MIPS and IO/s rates:

HHC02272I From Thu Apr 19 22:58:34 2012 to Fri Apr 20 22:58:34 2012

HHC02272I MIPS: 105.333858

HHC02272I IO/s: 3068

HHC02272I From Fri Apr 20 22:58:34 2012 to Fri Apr 20 23:06:38 2012

HHC02272I MIPS: 5.678100

HHC02272I IO/s: 54

HHC02272I Current interval is 1440 minutes

Figure 188: MAXRATES command (display maximum rates)