CML: perf enabling for core
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
OEM Priority Project |
Fix Released
|
Critical
|
Yuan-Chen Cheng | ||
intel |
Fix Released
|
Undecided
|
Unassigned | ||
linux (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
Bionic |
Won't Fix
|
Undecided
|
Unassigned | ||
Disco |
Won't Fix
|
Undecided
|
You-Sheng Yang | ||
Eoan |
Fix Released
|
Medium
|
You-Sheng Yang | ||
Focal |
Fix Released
|
Undecided
|
Unassigned | ||
linux-oem-osp1 (Ubuntu) |
Fix Released
|
Undecided
|
Unassigned | ||
Bionic |
Fix Released
|
High
|
You-Sheng Yang | ||
Disco |
Fix Released
|
Undecided
|
Unassigned | ||
Eoan |
Fix Released
|
Undecided
|
Unassigned | ||
Focal |
Fix Released
|
Undecided
|
Unassigned |
Bug Description
[SRU Justification]
[Impact]
There is no complete perf support for Comet Lake CPU. For Ice Lake, some
changes has been included in v5.3, but still misses CPU IDs.
[Fix]
perf support for Comet Lake is based on previous works for Ice Lake, so
changes for both have to be backported.
[Test Case]
On platforms with Comet Lake/Ice Lake CPUs, one should find new
cstate_pkg events c{8,9,10}-residency appear in output of `perf list`
for use.
[Regression Potential]
Low. This backports perf support for previously incompletedly supported
cpu models.
========== original bug description ==========
Description:
CML perf enabling for core
v5.4-rc3
1ffa6c04dae3977
Target Kernel: 5.4
Target Release: 20.04
CVE References
Changed in intel: | |
status: | New → Fix Committed |
Changed in linux (Ubuntu): | |
status: | Incomplete → Fix Released |
Changed in linux (Ubuntu Bionic): | |
status: | New → Confirmed |
Changed in linux-oem-osp1 (Ubuntu Bionic): | |
status: | New → Confirmed |
Changed in linux-oem-osp1 (Ubuntu): | |
status: | New → Confirmed |
Changed in linux-oem-osp1 (Ubuntu Bionic): | |
assignee: | nobody → You-Sheng Yang (vicamo) |
importance: | Undecided → High |
Changed in linux-oem-osp1 (Ubuntu Bionic): | |
status: | Confirmed → In Progress |
Changed in linux-oem-osp1 (Ubuntu Disco): | |
status: | New → Confirmed |
Changed in linux-oem-osp1 (Ubuntu Eoan): | |
status: | New → Confirmed |
Changed in linux (Ubuntu Focal): | |
status: | Fix Released → Confirmed |
Changed in oem-priority: | |
assignee: | nobody → Yuan-Chen Cheng (ycheng-twn) |
importance: | Undecided → Critical |
status: | New → Confirmed |
tags: | added: oem-priority |
Changed in linux (Ubuntu Eoan): | |
importance: | Undecided → Medium |
Changed in linux (Ubuntu Eoan): | |
status: | In Progress → Fix Committed |
Changed in linux-oem-osp1 (Ubuntu Bionic): | |
status: | In Progress → Fix Committed |
Changed in linux-oem-osp1 (Ubuntu Disco): | |
status: | Confirmed → Fix Released |
Changed in linux-oem-osp1 (Ubuntu Eoan): | |
status: | Confirmed → Fix Released |
Changed in oem-priority: | |
status: | Confirmed → Fix Released |
Changed in intel: | |
status: | Fix Committed → Fix Released |
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 1848978
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.