Already in v5.4 and above.
** Changed in: linux (Ubuntu Focal)
Status: Confirmed => Fix Released
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
** Changed in: linux-oem-osp1 (Ubuntu Focal)
Status: Confirmed => Fix Released
** Changed in: linux-oem-osp1
** Changed in: intel
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1848978
Title:
CML: perf enabling for core
Status in intel:
Fix
** Changed in: oem-priority
Status: Confirmed => Fix Released
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Title:
CML: perf enabling for core
Status in intel:
Fix
This bug was fixed in the package linux-oem-osp1 - 5.0.0-1033.38
---
linux-oem-osp1 (5.0.0-1033.38) bionic; urgency=medium
* bionic/linux-oem-osp1: 5.0.0-1033.38 -proposed tracker (LP:
#1856522)
* change kconfig of the soundwire bus driver from y to m (LP: #1855685)
-
This bug was fixed in the package linux-oem-osp1 - 5.0.0-1033.38
---
linux-oem-osp1 (5.0.0-1033.38) bionic; urgency=medium
* bionic/linux-oem-osp1: 5.0.0-1033.38 -proposed tracker (LP:
#1856522)
* change kconfig of the soundwire bus driver from y to m (LP: #1855685)
-
This bug was fixed in the package linux-oem-osp1 - 5.0.0-1033.38
---
linux-oem-osp1 (5.0.0-1033.38) bionic; urgency=medium
* bionic/linux-oem-osp1: 5.0.0-1033.38 -proposed tracker (LP:
#1856522)
* change kconfig of the soundwire bus driver from y to m (LP: #1855685)
-
This bug was fixed in the package linux - 5.3.0-26.28
---
linux (5.3.0-26.28) eoan; urgency=medium
* eoan/linux: 5.3.0-26.28 -proposed tracker (LP: #1856807)
* nvidia-435 is in eoan, linux-restricted-modules only builds against 430,
ubiquity gives me the self-signed modules
Verified 5.3.0-25.27/eoan-proposed
** Description changed:
+ [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
This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
eoan' to 'verification-done-eoan'. If the problem still exists, change
the tag
** Changed in: linux-oem-osp1 (Ubuntu Bionic)
Status: In Progress => Fix Committed
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Title:
CML: perf enabling for core
Mark linux/disco as WONTFIX per review comment.
** Changed in: linux (Ubuntu Disco)
Status: In Progress => Won't Fix
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Title:
** Changed in: linux (Ubuntu Eoan)
Status: In Progress => Fix Committed
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Title:
CML: perf enabling for core
Status in
** Changed in: linux (Ubuntu Eoan)
Importance: Undecided => Medium
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Title:
CML: perf enabling for core
Status in intel:
Fix
** Also affects: oem-priority
Importance: Undecided
Status: New
** Changed in: oem-priority
Importance: Undecided => Critical
** Changed in: oem-priority
Status: New => Confirmed
** Changed in: oem-priority
Assignee: (unassigned) => Yuan-Chen Cheng (ycheng-twn)
** Tags
Mark linux-4.15 bionic as WONFIX as the scope is limited to 5.0.
Actually this depends on Ice Lake function, so it has to be 5.0+ as
well.
** Changed in: linux (Ubuntu Bionic)
Status: Confirmed => Won't Fix
** Changed in: linux (Ubuntu Disco)
Status: New => In Progress
** Changed
D/OEM-OSP1-B:
https://lists.ubuntu.com/archives/kernel-team/2019-November/105643.html
E: https://lists.ubuntu.com/archives/kernel-team/2019-November/105663.html
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For Comet Lake to read PC10 residency, please use `perf` from linux-
tools packages:
$ perf stat -e cstate_pkg/c10-residency/ \
-e cstate_pkg/c9-residency/ \
-e cstate_pkg/c8-residency/
(this will block until interrupted)
as `powertop` doesn't currently support
To read PC10 residency, one may want to install `powertop` from ppa
:canonical-hwe-team/powertop[1], which contains the latest version
2.11+.
[1]: https://launchpad.net/~canonical-hwe-team/+archive/ubuntu/powertop
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Sorry, that should be a false alarm. Verified built kernels for oem-
osp1, disco and eoan in my ppa on an Ice Lake platform, PC10 residency
is still valid. Will proceed to send SRU patches after verified on CML
as well.
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This (cannot enter PC8,9,10 on Ice Lake) can still be reproduced on
5.3.0-24.26+lp1848978.3 in my PPA, but not in ubuntu unstable kernel
5.4.0-6.7. Perhaps still some other fixes should be included as well.
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Fixed that for two more patches for IceLake, but the resulting tree
fails to enter deeper state than PC3.
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Title:
CML: perf
There are still something already committed to mainline but missed on
the list. I have to include also IceLake support for CometLake backports
to D/OEM-OSP1-B, but `perf list` doesn't give PC8-10 for IceLake
platforms. However, by installing v5.4-generic kernel from
** Also affects: linux (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: linux-oem-osp1 (Ubuntu Eoan)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: Fix Released
** Also affects: linux-oem-osp1
perf/x86/cstate: Add Comet Lake CPU support:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?h=v5.4-rc7=1ffa6c04dae39776a3c222bdf88051e394386c01
perf/x86/msr: Add Comet Lake CPU support:
WIP:
https://code.launchpad.net/~vicamo/+git/ubuntu-kernel/+ref/bug-1848978/perf-enabling-for-comet-ice-lake/oem-osp1-bionic
PPA: https://launchpad.net/~vicamo/+archive/ubuntu/ppa-1848978
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** Changed in: linux-oem-osp1 (Ubuntu Bionic)
Status: Confirmed => In Progress
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Title:
CML: perf enabling for core
Status
** Changed in: linux-oem-osp1 (Ubuntu Bionic)
Assignee: (unassigned) => You-Sheng Yang (vicamo)
** Changed in: linux-oem-osp1 (Ubuntu Bionic)
Importance: Undecided => High
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** Also affects: linux (Ubuntu Bionic)
Importance: Undecided
Status: New
** Also affects: linux-oem-osp1 (Ubuntu Bionic)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Released
** Changed in: linux (Ubuntu Bionic)
** Also affects: linux-oem-osp1 (Ubuntu)
Importance: Undecided
Status: New
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Title:
CML: perf enabling for core
Status in
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