Fix Turbo ratio limit core count

Bug #1849581 reported by quanxian
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Fix Committed
linux (Ubuntu)

Bug Description

The core count in the Turbo ratio limit buckets can be non linear. So need to read TRL MSR and display correctly.

Since we don't allow MSR access from user space, added to the whitelist to read TRL MSR.

Also intel-speed-select tool is changed to use this new interface.

Commits: v5.4-rc1
92e0e87d0be5eb192fab1edb9b44e724c63416ce 1233c7b95c7045905e40c11484493f20ab521d21

Target Kernel: 5.4
Target Release: 20.04

quanxian (quanxian-wang)
description: updated
Changed in intel:
status: New → Fix Committed
Revision history for this message
Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote : Missing required logs.

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1849581

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu):
status: New → Incomplete
tags: added: focal
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