Identified regression caused by
*linux:30f349097897c115345beabeecc5e710b479ff1e*:
commit 30f349097897c115345beabeecc5e710b479ff1e
Merge: 9c566611ac5c f76c87e8c337
Author: Linus Torvalds <torva...@linux-foundation.org>
Merge tag 'pm-5.15-rc1-2' of
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Results regressed to (for first_bad == 30f349097897c115345beabeecc5e710b479ff1e)
# reset_artifacts:
-10
# build_abe binutils:
-9
# build_abe stage1:
-5
# build_abe qemu:
-2
# linux_n_obj:
21782
# First few build errors in logs:
from (for last_good == 9c566611ac5cc7b45af943632f7a9b1b6a642991)
# reset_artifacts:
-10
# build_abe binutils:
-9
# build_abe stage1:
-5
# build_abe qemu:
-2
# linux_n_obj:
29893
# linux build successful:
all
This commit has regressed these CI configurations:
- tcwg_kernel/gnu-release-arm-mainline-allmodconfig
Artifacts of last_good build:
https://ci.linaro.org/job/tcwg_kernel-gnu-bisect-gnu-release-arm-mainline-allmodconfig/9/artifact/artifacts/build-9c566611ac5cc7b45af943632f7a9b1b6a642991/
Artifacts of first_bad build:
https://ci.linaro.org/job/tcwg_kernel-gnu-bisect-gnu-release-arm-mainline-allmodconfig/9/artifact/artifacts/build-30f349097897c115345beabeecc5e710b479ff1e/
Even more details:
https://ci.linaro.org/job/tcwg_kernel-gnu-bisect-gnu-release-arm-mainline-allmodconfig/9/artifact/artifacts/
Reproduce builds:
<cut>
mkdir investigate-linux-30f349097897c115345beabeecc5e710b479ff1e
cd investigate-linux-30f349097897c115345beabeecc5e710b479ff1e
# Fetch scripts
git clone https://git.linaro.org/toolchain/jenkins-scripts
# Fetch manifests and test.sh script
mkdir -p artifacts/manifests
curl -o artifacts/manifests/build-baseline.sh
https://ci.linaro.org/job/tcwg_kernel-gnu-bisect-gnu-release-arm-mainline-allmodconfig/9/artifact/artifacts/manifests/build-baseline.sh
--fail
curl -o artifacts/manifests/build-parameters.sh
https://ci.linaro.org/job/tcwg_kernel-gnu-bisect-gnu-release-arm-mainline-allmodconfig/9/artifact/artifacts/manifests/build-parameters.sh
--fail
curl -o artifacts/test.sh
https://ci.linaro.org/job/tcwg_kernel-gnu-bisect-gnu-release-arm-mainline-allmodconfig/9/artifact/artifacts/test.sh
--fail
chmod +x artifacts/test.sh
# Reproduce the baseline build (build all pre-requisites)
./jenkins-scripts/tcwg_kernel-build.sh @@ artifacts/manifests/build-baseline.sh
# Save baseline build state (which is then restored in artifacts/test.sh)
mkdir -p ./bisect
rsync -a --del --delete-excluded --exclude /bisect/ --exclude /artifacts/
--exclude /linux/ ./ ./bisect/baseline/
cd linux
# Reproduce first_bad build
git checkout --detach 30f349097897c115345beabeecc5e710b479ff1e
../artifacts/test.sh
# Reproduce last_good build
git checkout --detach 9c566611ac5cc7b45af943632f7a9b1b6a642991
../artifacts/test.sh
cd ..
</cut>
Full commit (up to 1000 lines):
<cut>
commit 30f349097897c115345beabeecc5e710b479ff1e
Merge: 9c566611ac5c f76c87e8c337
Author: Linus Torvalds <torva...@linux-foundation.org>
Date: Wed Sep 8 16:38:25 2021 -0700
Merge tag 'pm-5.15-rc1-2' of
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These are mostly ARM cpufreq driver updates, including one new
MediaTek driver that has just passed all of the reviews, with the
addition of a revert of a recent intel_pstate commit, some core
cpufreq changes and a DT-related update of the operating performance
points (OPP) support code.
Specifics:
- Add new cpufreq driver for the MediaTek MT6779 platform called
mediatek-hw along with corresponding DT bindings (Hector.Yuan).
- Add DCVS interrupt support to the qcom-cpufreq-hw driver (Thara
Gopinath).
- Make the qcom-cpufreq-hw driver set the dvfs_possible_from_any_cpu
policy flag (Taniya Das).
- Blocklist more Qualcomm platforms in cpufreq-dt-platdev (Bjorn
Andersson).
- Make the vexpress cpufreq driver set the CPUFREQ_IS_COOLING_DEV
flag (Viresh Kumar).
- Add new cpufreq driver callback to allow drivers to register with
the Energy Model in a consistent way and make several drivers use
it (Viresh Kumar).
- Change the remaining users of the .ready() cpufreq driver callback
to move the code from it elsewhere and drop it from the cpufreq
core (Viresh Kumar).
- Revert recent intel_pstate change adding HWP guaranteed performance
change notification support to it that led to problems, because the
notification in question is triggered prematurely on some systems
(Rafael Wysocki).
- Convert the OPP DT bindings to DT schema and clean them up while at
it (Rob Herring)"
* tag 'pm-5.15-rc1-2' of
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (23 commits)
Revert "cpufreq: intel_pstate: Process HWP Guaranteed change notification"
cpufreq: mediatek-hw: Add support for CPUFREQ HW
cpufreq: Add of_perf_domain_get_sharing_cpumask
dt-bindings: cpufreq: add bindings for MediaTek cpufreq HW
cpufreq: Remove ready() callback
cpufreq: sh: Remove sh_cpufreq_cpu_ready()
cpufreq: acpi: Remove acpi_cpufreq_cpu_ready()
cpufreq: qcom-hw: Set dvfs_possible_from_any_cpu cpufreq driver flag
cpufreq: blocklist more Qualcomm platforms in cpufreq-dt-platdev
cpufreq: qcom-cpufreq-hw: Add dcvs interrupt support
cpufreq: scmi: Use .register_em() to register with energy model
cpufreq: vexpress: Use .register_em() to register with energy model
cpufreq: scpi: Use .register_em() to register with energy model
dt-bindings: opp: Convert to DT schema
dt-bindings: Clean-up OPP binding node names in examples
ARM: dts: omap: Drop references to opp.txt
cpufreq: qcom-cpufreq-hw: Use .register_em() to register with energy model
cpufreq: omap: Use .register_em() to register with energy model
cpufreq: mediatek: Use .register_em() to register with energy model
cpufreq: imx6q: Use .register_em() to register with energy model
...
Documentation/cpu-freq/cpu-drivers.rst | 3 -
.../devicetree/bindings/cpufreq/cpufreq-dt.txt | 2 +-
.../bindings/cpufreq/cpufreq-mediatek-hw.yaml | 70 +++
.../bindings/cpufreq/cpufreq-mediatek.txt | 2 +-
.../devicetree/bindings/cpufreq/cpufreq-st.txt | 6 +-
.../bindings/cpufreq/nvidia,tegra20-cpufreq.txt | 2 +-
.../devicetree/bindings/devfreq/rk3399_dmc.txt | 2 +-
.../devicetree/bindings/gpu/arm,mali-bifrost.yaml | 2 +-
.../devicetree/bindings/gpu/arm,mali-midgard.yaml | 2 +-
.../bindings/interconnect/fsl,imx8m-noc.yaml | 4 +-
.../opp/allwinner,sun50i-h6-operating-points.yaml | 4 +
Documentation/devicetree/bindings/opp/opp-v1.yaml | 51 ++
.../devicetree/bindings/opp/opp-v2-base.yaml | 214 +++++++
Documentation/devicetree/bindings/opp/opp-v2.yaml | 475 ++++++++++++++++
Documentation/devicetree/bindings/opp/opp.txt | 622 ---------------------
Documentation/devicetree/bindings/opp/qcom-opp.txt | 2 +-
.../bindings/opp/ti-omap5-opp-supply.txt | 2 +-
.../devicetree/bindings/power/power-domain.yaml | 2 +-
.../translations/zh_CN/cpu-freq/cpu-drivers.rst | 2 -
arch/arm/boot/dts/omap34xx.dtsi | 1 -
arch/arm/boot/dts/omap36xx.dtsi | 1 -
drivers/base/arch_topology.c | 2 +
drivers/cpufreq/Kconfig.arm | 12 +
drivers/cpufreq/Makefile | 1 +
drivers/cpufreq/acpi-cpufreq.c | 14 +-
drivers/cpufreq/cpufreq-dt-platdev.c | 4 +
drivers/cpufreq/cpufreq-dt.c | 3 +-
drivers/cpufreq/cpufreq.c | 17 +-
drivers/cpufreq/imx6q-cpufreq.c | 2 +-
drivers/cpufreq/intel_pstate.c | 39 --
drivers/cpufreq/mediatek-cpufreq-hw.c | 308 ++++++++++
drivers/cpufreq/mediatek-cpufreq.c | 3 +-
drivers/cpufreq/omap-cpufreq.c | 2 +-
drivers/cpufreq/qcom-cpufreq-hw.c | 151 ++++-
drivers/cpufreq/scmi-cpufreq.c | 65 ++-
drivers/cpufreq/scpi-cpufreq.c | 3 +-
drivers/cpufreq/sh-cpufreq.c | 11 -
drivers/cpufreq/vexpress-spc-cpufreq.c | 25 +-
include/linux/cpufreq.h | 75 ++-
39 files changed, 1441 insertions(+), 767 deletions(-)
</cut>
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