ExpressCluster X 2.0 for Windows Reference Guide - Nec

CPU frequency control command
clpcpufreq
Command line:
clpcpufreq --high [-h hostname]
clpcpufreq --low [-h hostname]
clpcpufreq -i [-h hostname]
clpcpufreq -s [-h hostname]
Description
The clpcpufreq command controls CPU frequency.
This command enables/disables power-saving mode by CPU frequency
control.
Option --high Sets CPU frequency to the highest.
--low Sets CPU frequency to the lowest.
-i Switch to automatic control by cluster.
-s Displays the current CPU frequency level.
high: Frequency is the highest
low: Frequency is lowered and it is in power-saving mode
-h Requests the server specified in hostname for processing.
If this is omitted, it requests the local server for processing.
Return
Value
0 Completed successfully.
Other than 0 Terminated due to a failure.
Example # clpcpufreq -s
high
Command succeeded.(code:0)
# clpcpufreq -- high
Command succeeded.(code:0)
# clpcpufreq --low -h server1
Command succeeded.(code:0)
Remark If the Use CPU frequency control checkbox is not selected in the power
saving settings in cluster properties, this command results in error.
Notes This command must be executed by a user with the administrator
privilege.
When you use CPU frequency control, it is required that frequency is
changeable in the BIOS settings, and that the CPU supports frequency
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