Add Cavium ThunderX2 SoC UNCORE PMU driver
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Fix Released
|
Undecided
|
Ike Panhc | ||
Bionic |
Fix Released
|
Undecided
|
Ike Panhc | ||
Cosmic |
Fix Released
|
Undecided
|
Ike Panhc | ||
Disco |
Fix Released
|
Undecided
|
Ike Panhc |
Bug Description
[Impact]
No driver for PMU of L3 cache controller (L3C) and the DDR4 Memory Controller (DMC) for Cavium ThunderX2 SoC
[Test Case]
sudo perf stat -a -e \
> uncore_
> uncore_
> uncore_
> uncore_
sudo perf stat -a -e \
> uncore_
> uncore_
> uncore_
> uncore_
sudo perf stat -a -e uncore_
[Fix]
Backport patches
82975c46da perf: Export perf_event_
d6310a3f33 Documentation: perf: Add documentation for ThunderX2 PMU uncore driver
69c32972d5 drivers/perf: Add Cavium ThunderX2 SoC UNCORE PMU driver
and enable CONFIG_
[Regression Risk]
This driver only loaded when CAV901C in ACPI table, lowest risk for other platform.
CVE References
description: | updated |
Changed in linux (Ubuntu Cosmic): | |
assignee: | nobody → Ike Panhc (ikepanhc) |
Changed in linux (Ubuntu Bionic): | |
assignee: | nobody → Ike Panhc (ikepanhc) |
status: | New → Incomplete |
status: | Incomplete → Opinion |
status: | Opinion → In Progress |
Changed in linux (Ubuntu Cosmic): | |
status: | New → Incomplete |
status: | Incomplete → In Progress |
Changed in linux (Ubuntu Disco): | |
status: | Incomplete → In Progress |
Changed in linux (Ubuntu Bionic): | |
status: | In Progress → Fix Committed |
Changed in linux (Ubuntu Cosmic): | |
status: | In Progress → Fix Committed |
Changed in linux (Ubuntu Disco): | |
status: | In Progress → Fix Committed |
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 1811200
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.