Bug 29394 - [devel-6.6] Intel: Enable CWF perf cstate support
Summary: [devel-6.6] Intel: Enable CWF perf cstate support
Status: NEW
Alias: None
Product: ANCK 6.6 Dev
Classification: ANCK
Component: X86 (show other bugs) X86
Version: unspecified
Hardware: All Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: Guanjun
QA Contact: shuming
URL:
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Keywords:
Depends on:
Blocks:
 
Reported: 2026-01-09 11:42 UTC by AubreyLi
Modified: 2026-01-09 12:00 UTC (History)
3 users (show)

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Description AubreyLi intel_group 2026-01-09 11:42:23 UTC 
Clearwater Forest is based on the Darkmont Atom microarchitecture.
From the perspective of C-state residency profiling, it supports the
same residency counters as Sierra Forest: CC1/CC6, PC2/PC6, and MC6.

Backport the following patch to support CWF perf csate profiling:
- 0001-perf-x86-intel-cstate-Add-Clearwater-Forest-support.patch
Comment 1 小龙 admin 2026-01-09 12:00:22 UTC 
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/6331