💻 Software

Dynamically disabling cores in a power-efficient way?

Fresh7 days ago

Mar 15, 20263976 views

Confidence Score0%

Problem

I am looking for a mechanism to dynamically disable cores in Linux in order to minimize power consumption. Unfortunately, disabling cores using the following simple approach actually increases power, based on readings from a Watts Up? Pro measuring total system power: My experience seems to be conf…

Error Output

echo 0 > /sys/devices/system/cpu/cpu7/online

Unverified for your environment

Select your OS to check compatibility.

Your OS

OS version

Product version

1 Fix

Canonical Fix

Unverified Fix

New Fix – Awaiting Verification

Fix for: Dynamically disabling cores in a power-efficient way?

Low Risk

The methods to limit C-states above will all be permanent (until the system is rebooted). If you would like to have a system have extremely low latency during certain hours, but want more power savings at other times, there is a method to dynamicall…

Awaiting Verification

Be the first to verify this fix

Dynamically disabling cores in a power-efficient way?

Problem

Error Output

1 Fix

Fix for: Dynamically disabling cores in a power-efficient way?

Environment