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Merge tag 'printk-for-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux
Pull printk updates from Petr Mladek:
- New option "printk.debug_non_panic_cpus" allows to store printk
messages from non-panic CPUs during panic. It might be useful when
panic() fails. It is disabled by default because it increases the
chance to see the messages printed before panic() and on the
panic-CPU.
- New build option "CONFIG_NULL_TTY_DEFAULT_CONSOLE" allows to build
kernel without the virtual terminal support which prefers ttynull
over serial console.
- Do not unblank suspended consoles.
- Some code clean up.
* tag 'printk-for-6.15' of git://git.kernel.org/pub/scm/linux/kernel/git/printk/linux:
printk/panic: Add option to allow non-panic CPUs to write to the ring buffer.
printk: Add an option to allow ttynull to be a default console device
printk: Check CON_SUSPEND when unblanking a console
printk: Rename console_start to console_resume
printk: Rename console_stop to console_suspend
printk: Rename resume_console to console_resume_all
printk: Rename suspend_console to console_suspend_all
Highlights:
- alienware-wmi: Refactor and split WMAX/legacy drivers
- dell-ddv:
- Correct +0.1 offset in temperature
- Use the power supply extension mechanism for battery temperatures
- intel/pmc:
- Refactor init to mostly use a common init function
- Add support for Arrow Lake U/H
- Add support for Panther Lake
- intel/sst:
- Improve multi die handling
- Prefix header search path with sysroot (fixes cross-compiling)
- lenovo-wmi-hotkey-utilities: Support for mic & audio mute LEDs
- samsung-galaxybook: Add driver for Samsung Galaxy Book series
- wmi:
- Rework WCxx/WExx ACPI method handling
- Enable data block collection when the data block is set
- platform/arm:
- Add Huawei Matebook E Go EC driver
- platform/mellanox:
- Relocate to drivers/platform/mellanox/
- mlxbf-bootctl: RTC battery status sysfs support
- Miscellaneous cleanups / refactoring / improvements
The following is an automated shortlog grouped by driver:
alienware-wmi:
- Add a state container for LED control feature
- Add a state container for thermal control methods
- Add alienware-wmi.h
- Add WMI Drivers
- Refactor hdmi, amplifier, deepslp methods
- Refactor LED control methods
- Refactor thermal control methods
- Rename alienware-wmi.c
- Split DMI table
- Split the alienware-wmi driver
- Update alienware-wmi config entries
- Update header and module information
amd/pmc:
- fix leak in probe()
- Move macros and structures to the PMC header file
- Notify user when platform does not support s0ix transition
- Remove unnecessary line breaks
- Use managed APIs for mutex
amd/pmf:
- convert timeouts to secs_to_jiffies()
amd:
- Use *-y instead of *-objs in Makefiles
arm64:
- add Huawei Matebook E Go EC driver
arm64: dts: qcom: gaokun3:
- Add Embedded Controller node
compal-laptop:
- Do not include <linux/fb.h>
dell-ddv:
- Fix temperature calculation
- Use devm_battery_hook_register
- Use the power supply extension mechanism
dell: dell-wmi-sysman:
- Use *-y instead of *-objs in Makefile
dell:
- Modify Makefile alignment
- Use *-y instead of *-objs in Makefile
dell-uart-backlight:
- Make dell_uart_bl_serdev_driver static
dt-bindings: platform:
- Add Huawei Matebook E Go EC
hp-bioscfg:
- Replace deprecated strncpy() with strscpy()
- Use wmi_instance_count()
hp:
- Use *-y instead of *-objs in Makefile
hwmon:
- (hp-wmi-sensors) Use the WMI bus API when accessing sensors
ideapad-laptop:
- use dev_groups to register attribute groups
int3472:
- Call "func" "con_id" instead
intel/pmc:
- Add Arrow Lake U/H support to intel_pmc_core driver
- Add Panther Lake support to intel_pmc_core
- Create generic_core_init() for all platforms
- Make tgl_core_generic_init() static
- Move arch specific action to init function
- Remove duplicate enum
- Remove simple init functions
- Remove unnecessary declarations in header
- Remove unneeded extern keyword in header
intel:
- Use *-y instead of *-objs in Makefile
irqdomain: platform/x86:
- Switch to irq_domain_create_linear()
lenovo-wmi-hotkey-utilities.c:
- Support for mic and audio mute LEDs
lenovo-yoga-tab2-pro-1380-fastcharger:
- Make symbol static
MAINTAINERS:
- Add documentation reference for Mellanox platform
- Update ALIENWARE WMI DRIVER entry
mellanox:
- Relocate mlx-platform driver
mlxbf-bootctl:
- Support sysfs entries for RTC battery status
mlx-platform:
- Change register name
- Cosmetic changes
samsung-galaxybook:
- Add samsung-galaxybook driver
- Fix block_recording not supported logic
sonypi:
- Use str_on_off() helper in sonypi_display_info()
think-lmi:
- Use ACPI object when extracting strings
- Use WMI bus API when accessing BIOS settings
thinkpad_acpi:
- check the return value of devm_mutex_init()
- convert timeouts to secs_to_jiffies()
- Do not include <linux/fb.h>
- Move HWMON initialization to tpacpi_hwmon_pdriver's probe
- Move subdriver initialization to tpacpi_pdriver's probe.
tools/power/x86/intel-speed-select:
- Die ID for IO dies
- Fix the condition to check multi die system
- Prefix header search path with sysroot
- Prevent increasing MAX_DIE_PER_PACKAGE
- v1.22 release
wmi:
- Call WCxx methods when setting data blocks
- Rework WCxx/WExx ACPI method handling
- Update documentation regarding the GUID-based API
- Use devres to disable the WMI device
x86-android-tablets:
- Add select POWER_SUPPLY to Kconfig
Merges:
- Merge branch 'fixes' into for-next
- Merge branch 'intel-sst' of https://github.com/spandruvada/linux-kernel into review-ilpo-next
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Merge tag 'platform-drivers-x86-v6.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform drivers updates from Ilpo Järvinen:
- alienware-wmi:
- Refactor and split WMAX/legacy drivers
- dell-ddv:
- Correct +0.1 offset in temperature
- Use the power supply extension mechanism for battery temperatures
- intel/pmc:
- Refactor init to mostly use a common init function
- Add support for Arrow Lake U/H
- Add support for Panther Lake
- intel/sst:
- Improve multi die handling
- Prefix header search path with sysroot (fixes cross-compiling)
- lenovo-wmi-hotkey-utilities:
- Support for mic & audio mute LEDs
- samsung-galaxybook:
- Add driver for Samsung Galaxy Book series
- wmi:
- Rework WCxx/WExx ACPI method handling
- Enable data block collection when the data block is set
- platform/arm:
- Add Huawei Matebook E Go EC driver
- platform/mellanox:
- Relocate to drivers/platform/mellanox/
- mlxbf-bootctl:
- RTC battery status sysfs support
- Miscellaneous cleanups / refactoring / improvements
* tag 'platform-drivers-x86-v6.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (75 commits)
platform/x86: x86-android-tablets: Add select POWER_SUPPLY to Kconfig
platform/x86/amd/pmf: convert timeouts to secs_to_jiffies()
platform/x86: thinkpad_acpi: convert timeouts to secs_to_jiffies()
irqdomain: platform/x86: Switch to irq_domain_create_linear()
platform/x86/amd/pmc: fix leak in probe()
tools/power/x86/intel-speed-select: v1.22 release
tools/power/x86/intel-speed-select: Prefix header search path with sysroot
tools/power/x86/intel-speed-select: Die ID for IO dies
tools/power/x86/intel-speed-select: Fix the condition to check multi die system
tools/power/x86/intel-speed-select: Prevent increasing MAX_DIE_PER_PACKAGE
platform/x86/amd/pmc: Use managed APIs for mutex
platform/x86/amd/pmc: Remove unnecessary line breaks
platform/x86/amd/pmc: Move macros and structures to the PMC header file
platform/x86/amd/pmc: Notify user when platform does not support s0ix transition
platform/x86: dell-ddv: Use the power supply extension mechanism
platform/x86: dell-ddv: Use devm_battery_hook_register
platform/x86: dell-ddv: Fix temperature calculation
platform/x86: thinkpad_acpi: check the return value of devm_mutex_init()
platform/x86: samsung-galaxybook: Fix block_recording not supported logic
platform/x86: dell-uart-backlight: Make dell_uart_bl_serdev_driver static
...
- Manage sysfs attributes and boost frequencies efficiently from
cpufreq core to reduce boilerplate code in drivers (Viresh Kumar).
- Minor cleanups to cpufreq drivers (Aaron Kling, Benjamin Schneider,
Dhananjay Ugwekar, Imran Shaik, zuoqian).
- Migrate some cpufreq drivers to using for_each_present_cpu() (Jacky
Bai).
- cpufreq-qcom-hw DT binding fixes (Krzysztof Kozlowski).
- Use str_enable_disable() helper in cpufreq_online() (Lifeng Zheng).
- Optimize the amd-pstate driver to avoid cases where call paths end
up calling the same writes multiple times and needlessly caching
variables through code reorganization, locking overhaul and tracing
adjustments (Mario Limonciello, Dhananjay Ugwekar).
- Make it possible to avoid enabling capacity-aware scheduling (CAS) in
the intel_pstate driver and relocate a check for out-of-band (OOB)
platform handling in it to make it detect OOB before checking HWP
availability (Rafael Wysocki).
- Fix dbs_update() to avoid inadvertent conversions of negative integer
values to unsigned int which causes CPU frequency selection to be
inaccurate in some cases when the "conservative" cpufreq governor is
in use (Jie Zhan).
- Update the handling of the most recent idle intervals in the menu
cpuidle governor to prevent useful information from being discarded
by it in some cases and improve the prediction accuracy (Rafael
Wysocki).
- Make it possible to tell the intel_idle driver to ignore its built-in
table of idle states for the given processor, clean up the handling
of auto-demotion disabling on Baytrail and Cherrytrail chips in it,
and update its MAINTAINERS entry (David Arcari, Artem Bityutskiy,
Rafael Wysocki).
- Make some cpuidle drivers use for_each_present_cpu() instead of
for_each_possible_cpu() during initialization to avoid issues
occurring when nosmp or maxcpus=0 are used (Jacky Bai).
- Clean up the Energy Model handling code somewhat (Rafael Wysocki).
- Use kfree_rcu() to simplify the handling of runtime Energy Model
updates (Li RongQing).
- Add an entry for the Energy Model framework to MAINTAINERS as
properly maintained (Lukasz Luba).
- Address RCU-related sparse warnings in the Energy Model code (Rafael
Wysocki).
- Remove ENERGY_MODEL dependency on SMP and allow it to be selected
when DEVFREQ is set without CPUFREQ so it can be used on a wider
range of systems (Jeson Gao).
- Unify error handling during runtime suspend and runtime resume in the
core to help drivers to implement more consistent runtime PM error
handling (Rafael Wysocki).
- Drop a redundant check from pm_runtime_force_resume() and rearrange
documentation related to __pm_runtime_disable() (Rafael Wysocki).
- Rework the handling of the "smart suspend" driver flag in the PM core
to avoid issues hat may occur when drivers using it depend on some
other drivers and clean up the related PM core code (Rafael Wysocki,
Colin Ian King).
- Fix the handling of devices with the power.direct_complete flag set
if device_suspend() returns an error for at least one device to avoid
situations in which some of them may not be resumed (Rafael Wysocki).
- Use mutex_trylock() in hibernate_compressor_param_set() to avoid a
possible deadlock that may occur if the "compressor" hibernation
module parameter is accessed during the registration of a new
ieee80211 device (Lizhi Xu).
- Suppress sleeping parent warning in device_pm_add() in the case when
new children are added under a device with the power.direct_complete
set after it has been processed by device_resume() (Xu Yang).
- Remove needless return in three void functions related to system
wakeup (Zijun Hu).
- Replace deprecated kmap_atomic() with kmap_local_page() in the
hibernation core code (David Reaver).
- Remove unused helper functions related to system sleep (David Alan
Gilbert).
- Clean up s2idle_enter() so it does not lock and unlock CPU offline
in vain and update comments in it (Ulf Hansson).
- Clean up broken white space in dpm_wait_for_children() (Geert
Uytterhoeven).
- Update the cpupower utility to fix lib version-ing in it and memory
leaks in error legs, remove hard-coded values, and implement CPU
physical core querying (Thomas Renninger, John B. Wyatt IV, Shuah
Khan, Yiwei Lin, Zhongqiu Han).
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Merge tag 'pm-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These are dominated by cpufreq updates which in turn are dominated by
updates related to boost support in the core and drivers and
amd-pstate driver optimizations.
Apart from the above, there are some cpuidle updates including a
rework of the most recent idle intervals handling in the venerable
menu governor that leads to significant improvements in some
performance benchmarks, as the governor is now more likely to predict
a shorter idle duration in some cases, and there are updates of the
core device power management code, mostly related to system suspend
and resume, that should help to avoid potential issues arising when
the drivers of devices depending on one another want to use different
optimizations.
There is also a usual collection of assorted fixes and cleanups,
including removal of some unused code.
Specifics:
- Manage sysfs attributes and boost frequencies efficiently from
cpufreq core to reduce boilerplate code in drivers (Viresh Kumar)
- Minor cleanups to cpufreq drivers (Aaron Kling, Benjamin Schneider,
Dhananjay Ugwekar, Imran Shaik, zuoqian)
- Migrate some cpufreq drivers to using for_each_present_cpu() (Jacky
Bai)
- cpufreq-qcom-hw DT binding fixes (Krzysztof Kozlowski)
- Use str_enable_disable() helper in cpufreq_online() (Lifeng Zheng)
- Optimize the amd-pstate driver to avoid cases where call paths end
up calling the same writes multiple times and needlessly caching
variables through code reorganization, locking overhaul and tracing
adjustments (Mario Limonciello, Dhananjay Ugwekar)
- Make it possible to avoid enabling capacity-aware scheduling (CAS)
in the intel_pstate driver and relocate a check for out-of-band
(OOB) platform handling in it to make it detect OOB before checking
HWP availability (Rafael Wysocki)
- Fix dbs_update() to avoid inadvertent conversions of negative
integer values to unsigned int which causes CPU frequency selection
to be inaccurate in some cases when the "conservative" cpufreq
governor is in use (Jie Zhan)
- Update the handling of the most recent idle intervals in the menu
cpuidle governor to prevent useful information from being discarded
by it in some cases and improve the prediction accuracy (Rafael
Wysocki)
- Make it possible to tell the intel_idle driver to ignore its
built-in table of idle states for the given processor, clean up the
handling of auto-demotion disabling on Baytrail and Cherrytrail
chips in it, and update its MAINTAINERS entry (David Arcari, Artem
Bityutskiy, Rafael Wysocki)
- Make some cpuidle drivers use for_each_present_cpu() instead of
for_each_possible_cpu() during initialization to avoid issues
occurring when nosmp or maxcpus=0 are used (Jacky Bai)
- Clean up the Energy Model handling code somewhat (Rafael Wysocki)
- Use kfree_rcu() to simplify the handling of runtime Energy Model
updates (Li RongQing)
- Add an entry for the Energy Model framework to MAINTAINERS as
properly maintained (Lukasz Luba)
- Address RCU-related sparse warnings in the Energy Model code
(Rafael Wysocki)
- Remove ENERGY_MODEL dependency on SMP and allow it to be selected
when DEVFREQ is set without CPUFREQ so it can be used on a wider
range of systems (Jeson Gao)
- Unify error handling during runtime suspend and runtime resume in
the core to help drivers to implement more consistent runtime PM
error handling (Rafael Wysocki)
- Drop a redundant check from pm_runtime_force_resume() and rearrange
documentation related to __pm_runtime_disable() (Rafael Wysocki)
- Rework the handling of the "smart suspend" driver flag in the PM
core to avoid issues hat may occur when drivers using it depend on
some other drivers and clean up the related PM core code (Rafael
Wysocki, Colin Ian King)
- Fix the handling of devices with the power.direct_complete flag set
if device_suspend() returns an error for at least one device to
avoid situations in which some of them may not be resumed (Rafael
Wysocki)
- Use mutex_trylock() in hibernate_compressor_param_set() to avoid a
possible deadlock that may occur if the "compressor" hibernation
module parameter is accessed during the registration of a new
ieee80211 device (Lizhi Xu)
- Suppress sleeping parent warning in device_pm_add() in the case
when new children are added under a device with the
power.direct_complete set after it has been processed by
device_resume() (Xu Yang)
- Remove needless return in three void functions related to system
wakeup (Zijun Hu)
- Replace deprecated kmap_atomic() with kmap_local_page() in the
hibernation core code (David Reaver)
- Remove unused helper functions related to system sleep (David Alan
Gilbert)
- Clean up s2idle_enter() so it does not lock and unlock CPU offline
in vain and update comments in it (Ulf Hansson)
- Clean up broken white space in dpm_wait_for_children() (Geert
Uytterhoeven)
- Update the cpupower utility to fix lib version-ing in it and memory
leaks in error legs, remove hard-coded values, and implement CPU
physical core querying (Thomas Renninger, John B. Wyatt IV, Shuah
Khan, Yiwei Lin, Zhongqiu Han)"
* tag 'pm-6.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (139 commits)
PM: sleep: Fix bit masking operation
dt-bindings: cpufreq: cpufreq-qcom-hw: Narrow properties on SDX75, SA8775p and SM8650
dt-bindings: cpufreq: cpufreq-qcom-hw: Drop redundant minItems:1
dt-bindings: cpufreq: cpufreq-qcom-hw: Add missing constraint for interrupt-names
dt-bindings: cpufreq: cpufreq-qcom-hw: Add QCS8300 compatible
cpufreq: Init cpufreq only for present CPUs
PM: sleep: Fix handling devices with direct_complete set on errors
cpuidle: Init cpuidle only for present CPUs
PM: clk: Remove unused pm_clk_remove()
PM: sleep: core: Fix indentation in dpm_wait_for_children()
PM: s2idle: Extend comment in s2idle_enter()
PM: s2idle: Drop redundant locks when entering s2idle
PM: sleep: Remove unused pm_generic_ wrappers
cpufreq: tegra186: Share policy per cluster
cpupower: Make lib versioning scheme more obvious and fix version link
PM: EM: Rework the depends on for CONFIG_ENERGY_MODEL
PM: EM: Address RCU-related sparse warnings
cpupower: Implement CPU physical core querying
pm: cpupower: remove hard-coded topology depth values
pm: cpupower: Fix cmd_monitor() error legs to free cpu_topology
...
The function resume_console has a misleading name, since it resumes all
consoles, so rename it accordingly.
Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: John Ogness <john.ogness@linutronix.de>
Link: https://lore.kernel.org/r/20250226-printk-renaming-v1-2-0b878577f2e6@suse.com
[pmladek@suse.com: Fixed typo in the commit message.]
Signed-off-by: Petr Mladek <pmladek@suse.com>
The function suspend_console has a misleading name, since it suspends all
consoles, so rename it accordingly.
Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: John Ogness <john.ogness@linutronix.de>
Link: https://lore.kernel.org/r/20250226-printk-renaming-v1-1-0b878577f2e6@suse.com
[pmladek@suse.com: Fixed typo in the commit message.]
Signed-off-by: Petr Mladek <pmladek@suse.com>
library versioning was broken:
libcpupower.so.0.0.1
libcpupower.so -> libcpupower.so.0.0.1
libcpupower.so.1 -> libcpupower.so.0.0.1
and is fixed by this patch to:
libcpupower.so.1.0.1
libcpupower.so -> libcpupower.so.1.0.1
libcpupower.so.1 -> libcpupower.so.1.0.1
Link: https://lore.kernel.org/r/20250307094334.39587-1-trenn@suse.de
Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Shuah Khan <shuah@kernel.org>
This version has fix for:
- Display of die ID and optimize array size for multi package
systems.
- Fix build warning with cross compiler
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
This helps when using a cross-compiler for building intel-speed-select,
currently, its hardcoded to pick libnl3 headers from build host which may
not be same as build target when cross compiling.
cc -print-sysroot will print nothing if compiler is configured without
a sysroot and result in same string as it is now.
Fixes errors with gcc configured with host include poisoning e.g.
cc1: error: include location "/usr/include/libnl3" is unsafe for
cross-compilation [-Werror=poison-system-directories]
Signed-off-by: Khem Raj <raj.khem@gmail.com>
[ srinivas: Changelog edits for checkpatch warning ]
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Even when there is no die exported by CPUID leaf 0x1F, the kernel version
after 6.9 will show non zero die_id in the sysfs. In that case maximum
die_id can still match maximum power domain ID. So the condition to check
if the power domain ID is same a die_id to prevent duplicate display
doesn't hold true.
The better condition is to check if the maximum die_id is more than the
maximum package_id. If the die_id is exposed by CPUID leaf 0x1F, the
maximum die_id will be more than maximum package_id.
With this change tracking of max_punit_id is not used, so remove storing
max_punit_id.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
In the function for_each_online_power_domain_in_set() to pick one CPU
from each power domain a three-dimensional array is used, which assumes
that a package contains multiple dies, that means the die_id from
/sys/devices/system/cpu/cpu0/topology/die_id is only local to package.
If it is not unique, still there will be no functional issues in the
current generation of products, but the MAX_DIE_PER_PACKAGE will need to
be increased for future products with many packages.
After kernel version 6.9 die ID is unique system wide not per package.
Even if the CPU topology has no dies, the ID will still increment across
package. In this case the die_id in package 0 will be 0 and die_id in
package 1 will be 1 in a 2-package system.
Since the die count must be same for packages, just count the number of
dies in package 0 and calculate die index from
/sys/devices/system/cpu/cpu0/topology/die_id which is only unique within
a package.
In this way the array size
"int cpus[MAX_PACKAGE_COUNT][MAX_DIE_PER_PACKAGE][MAX_PUNIT_PER_DIE]"
doesn't have to increase with increasing package count.
No functional change is expected.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
This patch is also an issue report. get_cpu_topology will always save
into cpupower_topology a cores size of 0. The code to handle this looks
like it was commented out, and what is commented out is missing a curly
bracket.
https://elixir.bootlin.com/linux/v6.13.5/source/tools/power/cpupower/lib/cpupower.c#L206-L212
Inspiration was taken from psutil to implement this by querying
core_cpu_list. Instead of using a hashmap, I used a sorted array, and
counted the number of valid unique strings. The counting of this takes
place before the qsort for .pkg as the following code says it is
dependent on the order of that sort.
The previous code claimed Intel CPUs are not numbered correctly. I was
not able to reproduce that issue and removed that comment and the code.
This commit was tested with the libcpupower SWIG Python bindings and
performed correctly on 4 different setups. The most notable is the
Framework Intel laptop; a hybrid system of 4 P cores (8 threads) and 8 E
cores (8 threads).
The 4 setups: A 4 core virt-manager VM running Fedora 41 4c/4t (specs not
listed) was tested as a sanity test for VMs. A Lenovo Ryzen 7 Pro 7840HS
8c/16t. A Supermico Intel(R) Xeon(R) Gold 6330 CPU w/ 56c/112t with 2 CPU
sockets. A Framework 12th Gen Intel(R) Core(TM) i5-1240P with hybrid
cores.
CPU(s): 16
On-line CPU(s) list: 0-15
Vendor ID: AuthenticAMD
Model name: AMD Ryzen 7 PRO 7840HS w/ Radeon 780M Graphics
CPU family: 25
Model: 116
Thread(s) per core: 2
Core(s) per socket: 8
Socket(s): 1
Stepping: 1
CPU(s): 112
On-line CPU(s) list: 0-111
Vendor ID: GenuineIntel
BIOS Vendor ID: Intel(R) Corporation
Model name: Intel(R) Xeon(R) Gold 6330 CPU @ 2.00GHz
BIOS Model name: Intel(R) Xeon(R) Gold 6330 CPU @ 2.00GHz CPU @ 2.0GHz
BIOS CPU family: 179
CPU family: 6
Model: 106
Thread(s) per core: 2
Core(s) per socket: 28
Socket(s): 2
Stepping: 6
CPU(s): 16
On-line CPU(s) list: 0-15
Vendor ID: GenuineIntel
Model name: 12th Gen Intel(R) Core(TM) i5-1240P
CPU family: 6
Model: 154
Thread(s) per core: 2
Core(s) per socket: 12
Socket(s): 1
Stepping: 3
Link: https://lore.kernel.org/r/20250305210901.24177-1-jwyatt@redhat.com
Signed-off-by: "John B. Wyatt IV" <jwyatt@redhat.com>
Signed-off-by: "John B. Wyatt IV" <sageofredondo@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
cmd_monitor() calls get_cpu_topology() to allocate memory for
cpu topology and fails to release in error legs.
Fix it to call cpu_topology_release() from error legs.
Link: https://lore.kernel.org/r/20250305225342.19447-2-skhan@linuxfoundation.org
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
In the case that we give a invalid command to idle_monitor for
monitoring, the execvp() will fail and thus go to the next line.
As a result, we'll see two differnt monitoring output. For
example, running `cpupower monitor -i 5 invalidcmd` which `invalidcmd`
is not executable.
Link: https://lore.kernel.org/r/20250220163846.2765-1-s921975628@gmail.com
Signed-off-by: Yiwei Lin <s921975628@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
If malloc returns NULL due to low memory, 'config' pointer can be NULL.
Add a check to prevent NULL dereference.
Link: https://lore.kernel.org/r/20250219122715.3892223-1-quic_zhonhan@quicinc.com
Signed-off-by: Zhongqiu Han <quic_zhonhan@quicinc.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This CPU was mistakenly given the name INTEL_ATOM_AIRMONT_MID. But it
uses a Silvermont core, not Airmont.
Change #define name to INTEL_ATOM_SILVERMONT_MID2
Reported-by: Christian Ludloff <ludloff@gmail.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/all/20241007165701.19693-1-tony.luck%40intel.com
Fix regression in 2023.11.07 that affinitized forked child
in one-shot mode.
Harden one-shot mode against hotplug online/offline
Enable RAPL SysWatt column by default.
Add initial PTL, CWF platform support.
Harden initial PMT code in response to early use.
Enable first built-in PMT counter: CWF c1e residency
Refuse to run on unsupported platforms without --force,
to encourage updating to a version that supports the system,
and to avoid no-so-useful measurement results.
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Merge tag 'turbostat-2025.02.02' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull turbostat updates from Len Brown:
- Fix regression that affinitized forked child in one-shot mode.
- Harden one-shot mode against hotplug online/offline
- Enable RAPL SysWatt column by default
- Add initial PTL, CWF platform support
- Harden initial PMT code in response to early use
- Enable first built-in PMT counter: CWF c1e residency
- Refuse to run on unsupported platforms without --force, to encourage
updating to a version that supports the system, and to avoid
no-so-useful measurement results
* tag 'turbostat-2025.02.02' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (25 commits)
tools/power turbostat: version 2025.02.02
tools/power turbostat: Add CPU%c1e BIC for CWF
tools/power turbostat: Harden one-shot mode against cpu offline
tools/power turbostat: Fix forked child affinity regression
tools/power turbostat: Add tcore clock PMT type
tools/power turbostat: version 2025.01.14
tools/power turbostat: Allow adding PMT counters directly by sysfs path
tools/power turbostat: Allow mapping multiple PMT files with the same GUID
tools/power turbostat: Add PMT directory iterator helper
tools/power turbostat: Extend PMT identification with a sequence number
tools/power turbostat: Return default value for unmapped PMT domains
tools/power turbostat: Check for non-zero value when MSR probing
tools/power turbostat: Enhance turbostat self-performance visibility
tools/power turbostat: Add fixed RAPL PSYS divisor for SPR
tools/power turbostat: Fix PMT mmaped file size rounding
tools/power turbostat: Remove SysWatt from DISABLED_BY_DEFAULT
tools/power turbostat: Add an NMI column
tools/power turbostat: add Busy% to "show idle"
tools/power turbostat: Introduce --force parameter
tools/power turbostat: Improve --help output
...
Summary of Changes since 2024.11.30:
Fix regression in 2023.11.07 that affinitized forked child
in one-shot mode.
Harden one-shot mode against hotplug online/offline
Enable RAPL SysWatt column by default.
Add initial PTL, CWF platform support.
Harden initial PMT code in response to early use.
Enable first built-in PMT counter: CWF c1e residency
Refuse to run on unsupported platforms without --force,
to encourage updating to a version that supports the system,
and to avoid no-so-useful measurement results.
Signed-off-by: Len Brown <len.brown@intel.com>
Intel Clearwater Forest report PMT telemetry with GUID 0x14421519, which
can be used to obtain module c1e residency counter of type tcore clock.
Add early support for the counter by using heuristic that should work
for the Clearwater Forest platforms.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
when turbostat interval mode can't migrate to a CPU, it complains,
prints no data, re-initializes with the new CPU configuration
and starts a new interval.
But this strategy in the face of a CPU hotplug offline during an interval
doesn't help in one-shot mode. When the missing CPU is discovered
at the end of the interval, the forked program has already returned
and there is nothing left for a new interval to measure.
So instead of aborting get_coutners() and delta_cpu() if a missing CPU
is detected, complain, but carry on and output what statistics are
actually present.
Use the same strategy for delta_cpu when aperf:mperf are observed
to have been reset -- complain, but carry on and print data for
the CPUs that are still present.
Interval mode error handling is unchanged.
One-shot mode can now do this:
$ sudo chcpu -e 1 ; sudo ./turbostat --quiet --show PkgWatt,Busy%,CPU chcpu -d 1
CPU 1 enabled
CPU 1 disabled
get_counters: Could not migrate to CPU 1
./turbostat: Counter reset detected
0.036920 sec
CPU Busy% PkgWatt
- 0.00 10.00
0 99.73 10.00
1 0.00
2 91.53
3 16.83
Suggested-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
In "one-shot" mode, turbostat
1. takes a counter snapshot
2. forks and waits for a child
3. takes the end counter snapshot and prints the result.
But turbostat counter snapshots currently use affinity to travel
around the system so that counter reads are "local", and this
affinity must be cleared between #1 and #2 above.
The offending commit removed that reset that allowed the child
to run on cpu_present_set.
Fix that issue, and improve upon the original by using
cpu_possible_set for the child. This allows the child
to also run on CPUs that hotplug online during its runtime.
Reported-by: Zhang Rui <rui.zhang@intel.com>
Fixes: 7bb3fe27ad4f ("tools/power/turbostat: Obey allowed CPUs during startup")
Signed-off-by: Len Brown <len.brown@intel.com>
Some PMT counters, for example module c1e residency on Intel Clearwater
Forest, are reported using tcore clock type.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Fix checkpatch whitespace issues since 2024.11.30
Summary of Changes since 2024.11.30:
Enable SysWatt by default.
Add initial PTL, CWF platform support.
Refuse to run on unsupported platforms without --force
to avoid not-so-useful measurements mistakenly made
using obsolete versions.
Harden initial PMT code in response to early use.
Signed-off-by: Len Brown <len.brown@intel.com>
Allow user to add PMT counters by either identifying the source with:
guid=%u,seq=%u
or, since this patch, with direct sysfs path:
path=%s, for example path=/sys/class/intel_pmt/telem5
In the later case, the guid and sequence number will be infered
by turbostat.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Some platforms may expose multiple telemetry files identified with the
same GUID. Interpreting it correctly, to associate given counter with a
CPU, core or a package requires more metadata from the user.
Parse and create ordered, linked list of those PMT aggregators, so that
we can identify specific aggregator with GUID + sequence number.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
PMT directories exposed in sysfs use the following pattern:
telem%u
for example:
telem0, telem2, telem3, ..., telem15, telem16
This naming scheme preserves the ordering from the PCIe discovery, which
is important to correctly map the telemetry directory to the specific
domain (cpu, core, package etc).
Because readdir() traverses the entries in alphabetical order, causing
for example "telem13" to be traversed before "telem3", it is necessary
to use scandir() with custom compare() callback to preserve the PCIe
ordering.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
When platforms expose multiple PMT aggregators with the same GUID, the
only way to identify them and map to specific domain is by reading them
in an order they were exposed via PCIe. Intel PMT kernel driver does
keep the same order and numbers the telemetry directories accordingly.
Use GUID and sequence number (order) to uniquely identify PMT
aggregators.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
When requesting PMT counters with --add command, user may want to skip
specifying values for all the domains (that is, cpu, core, package etc).
For the domains that user did not provide information on how to read the
counter, return default value - zero.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
For some MSRs, for example, the Platform Energy Counter (RAPL PSYS), it
is required to additionally check for a non-zero value to confirm that
it is present.
From Intel SDM vol. 4:
Platform Energy Counter (R/O)
This MSR is valid only if both platform vendor hardware
implementation and BIOS enablement support it.
This MSR will read 0 if not valid.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Include procfs and sysfs data collection time in the system summary
row of the "usec" column. This is useful for isolating where the
time goes during turbostat data collection.
Background:
Column "usec" shows
1. the number of microseconds elapsed during counter collection,
including thread migration -- if any, for each CPU row.
2. total elapsed time to collect the counters on all cpus, for the
summary row.
This can be used to check the time cost of a give column. For example,
run below commands separately
turbostat --show usec sleep 1
turbostat --show usec,CoreTmp sleep 1
and the delta in the usec column will tell the time cost for CoreTmp
(Thermal MSR read)
Problem:
Some of the kernel procfs/sysfs accesses are expensive, especially on
high core count systems. "usec" column cannot tell this because it only
includes the time cost of the counters.
Solution:
Leave the per CPU "usec" as it is and modify the summary "usec" to
include the time cost of the procfs/sysfs snapshot.
With it, the "usec" column can be used to get
1. the baseline, e.g.
turbostat --show usec sleep 1
2. the baseline + some per CPU counter cost, e.g.
turbostat --show usec,CoreTmp sleep 1
3. the baseline + some per CPU sysfs cost, e.g.
turbostat --show usec,C1 sleep 1
4. the baseline + /proc/interrupts cost, e.g
turbostat --show usec,IRQ sleep 1
Man-page update is also included.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Intel Sapphire Rapids is an exception and has fixed divisor for RAPL PSYS
counter set to 1.0. Add a platform bit and enable it for SPR.
Reported-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Highlights:
- acer-wmi:
- Add support for PH14-51, PH16-72, and Nitro AN515-58
- Add proper hwmon support
- Improve error handling when reading "gaming system info"
- Replace direct EC reads for the current platform profile
with WMI calls to handle EC address variations
- Replace custom platform_profile cycling with the generic one
- ACPI: platform_profile: Major refactoring and improvements
- Support registering multiple platform_profile handlers
concurrently to avoid the need to quirk which handler takes
precedence
- Support reporting "custom" profile for cases where the current
profile is ambiguous or when settings tweaks are done outside
the pre-defined profile
- Abstract and layer platform_profile API better using the
class_dev and drvdata
- Various minor improvements
- Add Documentation and kerneldoc
- amd/hsmp: Add support for HSMP protocol v7
- amd/pmc:
- Support AMD 1Ah family 70h
- Support STB with Ryzen desktop SoCs
- amd/pmf:
- Support Custom BIOS inputs for PMF TA
- Support passing SRA sensor data from AMD SFH (HID) to PMF TA
- dell-smo8800:
- Move SMO88xx quirk away from the generic i2c-i801 driver
- Add accelerometer support for Dell Latitude E6330/E6430 and
XPS 9550
- Support probing accelerometer for models yet to be listed in
the DMI mapping table because ACPI lacks i2c-address for the
accelerometer (behind a module parameter because probing might
be dangerous)
- HID: amd_sfh: Add support for exporting SRA sensor data
- hp-wmi: Add fan and thermal support for Victus 16-s1000
- input: Add key for phone linking
- input: i8042: Add context for the i8042 filter to enable cleaning up
the filter related global variables from pdx86 drivers
- lenovo-wmi-camera: Use SW_CAMERA_LENS_COVER instead of
KEY_CAMERA_ACCESS
- mellanox: mlxbf-pmc:
- Add support for monitoring cycle count
- Add Documentation
- thinkpad_acpi: Add support for phone link key
- tools/power/x86/intel-speed-select: Fix Turbo Ratio Limit restore
- x86-android-tables: Add support for Vexia EDU ATLA 10 Bluetooth and
EC battery driver
- Miscellaneous cleanups / refactoring / improvements
The following is an automated shortlog grouped by driver:
acer-wmi:
- add support for Acer Nitro AN515-58
- Add support for Acer PH14-51
- Add support for Acer Predator PH16-72
- Fix initialization of last_non_turbo_profile
- Ignore AC events
- Implement proper hwmon support
- Improve error handling when reading gaming system information
- Rename ACER_CAP_FAN_SPEED_READ
- simplify platform profile cycling
- use an ACPI bitmap to set the platform profile choices
- Use devm_platform_profile_register()
- use new helper function for setting overclocks
- use WMI calls for platform profile handling
ACPI: platform-profile:
- Add a name member to handlers
ACPI: platform_profile:
- Add a prefix to log messages
- Add choices attribute for class interface
- Add concept of a "custom" profile
- Add device pointer into platform profile handler
- Add devm_platform_profile_register()
- Add documentation
- Add name attribute to class interface
- Add `ops` member to handlers
- Add platform handler argument to platform_profile_remove()
- Add `probe` to platform_profile_ops
- Add profile attribute for class interface
- Allow multiple handlers
- Check all profile handler to calculate next
- Clean platform_profile_handler
- Create class for ACPI platform profile
- Let drivers set drvdata to the class device
- Make sure all profile handlers agree on profile
- Move matching string for new profile out of mutex
- Move platform_profile_handler
- Move sanity check out of the mutex
- Notify change events on register and unregister
- Notify class device from platform_profile_notify()
- Only show profiles common for all handlers
- Pass the profile handler into platform_profile_notify()
- Remove platform_profile_handler from callbacks
- Remove platform_profile_handler from exported symbols
- Replace *class_dev member with class_dev
- Use guard(mutex) for register/unregister
- Use `scoped_cond_guard`
alienware_wmi:
- General cleanup of WMAX methods
alienware-wmi:
- Improve hdmi_mux, amplifier and deepslp group creation
- Improve rgb-zones group creation
- Modify parse_rgb() signature
- Move Lighting Control State
- Remove unnecessary check at module exit
- Use devm_platform_profile_register()
amd/hsmp:
- Add support for HSMP protocol version 7 messages
- Constify 'struct bin_attribute'
amd/pmc:
- Add STB support for AMD Desktop variants
- Define enum for S2D/PMC msg_port and add helper function
- Isolate STB code changes to a new file
- Move STB block into amd_pmc_s2d_init()
- Move STB functionality to a new file for better code organization
- Update function names to align with new STB file
- Update IP information structure for newer SoCs
- Update S2D message id for 1Ah Family 70h model
- Use ARRAY_SIZE() to fill num_ips information
amd: pmc:
- Use guard(mutex)
amd: pmf:
- Drop all quirks
amd/pmf:
- Enable Custom BIOS Inputs for PMF-TA
- Get SRA sensor data from AMD SFH driver
amd: pmf: sps:
- Use devm_platform_profile_register()
amd: pmf:
- Switch to guard(mutex)
asus-wmi:
- Use devm_platform_profile_register()
dell: dcdbas:
- Constify 'struct bin_attribute'
dell: dell-pc:
- Create platform device
dell-pc:
- Use devm_platform_profile_register()
dell_rbu:
- Constify 'struct bin_attribute'
dell-smo8800:
- Add a couple more models to lis3lv02d_devices[]
- Add support for probing for the accelerometer i2c address
- Move instantiation of lis3lv02d i2c_client from i2c-i801 to dell-lis3lv02d
- Move SMO88xx acpi_device_ids to dell-smo8800-ids.h
dell-sysman:
- Directly use firmware_attributes_class
dell-uart-backlight:
- Use blacklight power constant
docs: platform/x86: wmi:
- mention tool for invoking WMI methods
Documentation/ABI:
- Add document for Mellanox PMC driver
- Add new sysfs field to sysfs-platform-mellanox-pmc
Documentation:
- Add documentation about class interface for platform profiles
firmware_attributes_class:
- Drop lifecycle functions
- Move include linux/device/class.h
- Simplify API
fujitsu-laptop:
- replace strcpy -> strscpy
HID: amd_sfh:
- Add support to export device operating states
hp-bioscfg:
- Directly use firmware_attributes_class
hp-wmi:
- Add fan and thermal profile support for Victus 16-s1000
- Use devm_platform_profile_register()
ideapad-laptop:
- Use devm_platform_profile_register()
Input:
- allocate keycode for phone linking
- i8042 - Add support for platform filter contexts
inspur_platform_profile:
- Use devm_platform_profile_register()
int3472:
- Check for adev == NULL
- Debug log the sensor name
- Fix skl_int3472_handle_gpio_resources() return value
- Make "pin number mismatch" message a debug message
intel: bytcrc_pwrsrc:
- fix power_supply dependency
- Optionally register a power_supply dev
intel: int0002_vgpio:
- Make the irqchip immutable
intel/pmt:
- Constify 'struct bin_attribute'
intel: punit_ipc:
- Remove unused function
intel/sdsi:
- Constify 'struct bin_attribute'
intel/tpmi/plr:
- Make char[] longer to silence warning
lenovo-wmi-camera:
- Use SW_CAMERA_LENS_COVER instead of KEY_CAMERA_ACESS
MAINTAINERS:
- Change AMD PMC driver status to "Supported"
mlxbf-bootctl:
- Constify 'struct bin_attribute'
- use sysfs_emit() instead of sprintf()
mlxbf-pmc:
- Add support for clock_measure performance block
- Add support for monitoring cycle count
- incorrect type in assignment
mlxreg-hotplug:
- use sysfs_emit() instead of sprintf()
mlxreg-io:
- use sysfs_emit() instead of sprintf()
quickstart:
- don't include 'pm_wakeup.h' directly
serdev_helpers:
- Add get_serdev_controller_from_parent() helper
- Check for serial_ctrl_uid == NULL
surface: surface_platform_profile:
- Use devm_platform_profile_register()
think-lmi:
- Directly use firmware_attributes_class
thinkpad_acpi:
- Add support for new phone link hotkey
thinkpad-acpi:
- replace strcpy with strscpy
thinkpad_acpi:
- Use devm_platform_profile_register()
tools/power/x86/intel-speed-select:
- Fix TRL restore after SST-TF disable
- v1.21 release
wmi-bmof:
- Make use of .bin_size() callback
x86-android-tablets:
- Add Bluetooth support for Vexia EDU ATLA 10
- Add missing __init to get_i2c_adap_by_*()
- Add support for getting serdev-controller by PCI parent
- Add Vexia EDU ATLA 10 EC battery driver
- Change x86_instantiate_serdev() prototype
- make platform data be static
- Make variables only used locally static
- Store serdev-controller ACPI HID + UID in a union
Merges:
- Merge branch 'fixes' into 'for-next'
- Merge branch 'intel-sst' of https://github.com/spandruvada/linux-kernel into review-ilpo-next
- Merge branch 'platform-drivers-x86-platform-profile' into for-next
- Merge branch 'platform-drivers-x86-platform-profile' into for-next
- Merge import NS conversion from 'https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git' into for-next
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Merge tag 'platform-drivers-x86-v6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Ilpo Järvinen:
"acer-wmi:
- Add support for PH14-51, PH16-72, and Nitro AN515-58
- Add proper hwmon support
- Improve error handling when reading "gaming system info"
- Replace direct EC reads for the current platform profile with WMI
calls to handle EC address variations
- Replace custom platform_profile cycling with the generic one
ACPI:
- platform_profile: Major refactoring and improvements
- Support registering multiple platform_profile handlers concurrently
to avoid the need to quirk which handler takes precedence
- Support reporting "custom" profile for cases where the current
profile is ambiguous or when settings tweaks are done outside the
pre-defined profile
- Abstract and layer platform_profile API better using the class_dev
and drvdata
- Various minor improvements
- Add Documentation and kerneldoc
amd/hsmp:
- Add support for HSMP protocol v7
amd/pmc:
- Support AMD 1Ah family 70h
- Support STB with Ryzen desktop SoCs
amd/pmf:
- Support Custom BIOS inputs for PMF TA
- Support passing SRA sensor data from AMD SFH (HID) to PMF TA
dell-smo8800:
- Move SMO88xx quirk away from the generic i2c-i801 driver
- Add accelerometer support for Dell Latitude E6330/E6430 and XPS
9550
- Support probing accelerometer for models yet to be listed in the
DMI mapping table because ACPI lacks i2c-address for the
accelerometer (behind a module parameter because probing might be
dangerous)
HID:
- amd_sfh: Add support for exporting SRA sensor data
hp-wmi:
- Add fan and thermal support for Victus 16-s1000
input:
- Add key for phone linking
- i8042: Add context for the i8042 filter to enable cleaning up the
filter related global variables from pdx86 drivers
lenovo-wmi-camera:
- Use SW_CAMERA_LENS_COVER instead of KEY_CAMERA_ACCESS
mellanox mlxbf-pmc:
- Add support for monitoring cycle count
- Add Documentation
thinkpad_acpi:
- Add support for phone link key
tools/power/x86/intel-speed-select:
- Fix Turbo Ratio Limit restore
x86-android-tables:
- Add support for Vexia EDU ATLA 10 Bluetooth and EC battery driver
And miscellaneous cleanups / refactoring / improvements"
* tag 'platform-drivers-x86-v6.14-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (133 commits)
platform/x86: acer-wmi: Fix initialization of last_non_turbo_profile
platform/x86: acer-wmi: Ignore AC events
platform/mellanox: mlxreg-io: use sysfs_emit() instead of sprintf()
platform/mellanox: mlxreg-hotplug: use sysfs_emit() instead of sprintf()
platform/mellanox: mlxbf-bootctl: use sysfs_emit() instead of sprintf()
platform/x86: hp-wmi: Add fan and thermal profile support for Victus 16-s1000
ACPI: platform_profile: Add a prefix to log messages
ACPI: platform_profile: Add documentation
ACPI: platform_profile: Clean platform_profile_handler
ACPI: platform_profile: Move platform_profile_handler
ACPI: platform_profile: Remove platform_profile_handler from exported symbols
platform/x86: thinkpad_acpi: Use devm_platform_profile_register()
platform/x86: inspur_platform_profile: Use devm_platform_profile_register()
platform/x86: hp-wmi: Use devm_platform_profile_register()
platform/x86: ideapad-laptop: Use devm_platform_profile_register()
platform/x86: dell-pc: Use devm_platform_profile_register()
platform/x86: asus-wmi: Use devm_platform_profile_register()
platform/x86: amd: pmf: sps: Use devm_platform_profile_register()
platform/x86: acer-wmi: Use devm_platform_profile_register()
platform/surface: surface_platform_profile: Use devm_platform_profile_register()
...
This (the old code) is just not how you round up to a page size.
Noticed on a recent Intel platform. Previous ones must have been
reporting sizes already aligned to a page and so the bug was missed when
testing.
Fixes: f0e4ed752fda ("tools/power turbostat: Add early support for PMT counters")
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
The counter is present on most supporting Intel platforms and provides
useful data to the user. There is no reason to disable the counter by
default.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Add an NMI column, a proper sub-set of the IRQ column.
It would be preferable if the kernel exported
/sys/kernel/irq/NMI/per_cpu_count.
But since we are already forced to parse /proc/interrupts,
noticing which row is the NMI is simple enough.
Suggested-by: Artem Bityutskiy <artem.bityutskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
"tools/cpupower: display residency value in idle-info" added a new
function to cpuidle.h. This patch adds them to the bindings.
Link: https://lore.kernel.org/linux-pm/20240809083728.266697-1-aboorvad@linux.ibm.com/
Tested by compiling both libcpupower and the headers; running the test
script that does not use the functions as a basic sanity test.
Link: https://lore.kernel.org/r/20250108221852.30771-1-jwyatt@redhat.com
Signed-off-by: "John B. Wyatt IV" <jwyatt@redhat.com>
Signed-off-by: "John B. Wyatt IV" <sageofredondo@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
When SST-TF is disabled, the TRL (Turbo Ratio Limit) of config level 0
is getting restored. But the TRL of current level should be restored
which may not be config level 0.
This is caused by a bug in treating config level as TRL level. So
arguments needs to be swapped.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Installs the .so and .py files generated by SWIG to system's site packages
directory. This allows the Python bindings to be used system wide. This
commit also includes documentation on setting up and installing the Python
bindings.
Link: https://lore.kernel.org/r/20241219012606.38963-1-jwyatt@redhat.com
Signed-off-by: "John B. Wyatt IV" <jwyatt@redhat.com>
Signed-off-by: "John B. Wyatt IV" <sageofredondo@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
The amd-pstate section is grouped under boost, which isn't appropriate.
Adjust the indentation so that it is it's own section.
Link: https://lore.kernel.org/r/20241218191144.3440854-8-superm1@kernel.org
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
When EPP has been enabled the hardware will autonomously change
frequencies on it's own and thus there is no latency with changing
from the kernel.
Avoid doing the maximum latency check when EPP is found. This will
apply to both amd-pstate and intel-pstate drivers.
Link: https://lore.kernel.org/r/20241218191144.3440854-7-superm1@kernel.org
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
The EPP value is useful for characterization of performance. Show
it in cpupower frequency-info output.
Link: https://lore.kernel.org/r/20241218191144.3440854-6-superm1@kernel.org
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
When the amd-pstate is in use frequency is set by the hardware and
measured by the kernel through using the aperf and mperf registers.
There is no direct call to the hardware to indicate current frequency.
Detect that this feature is in use and skip the check.
Link: https://lore.kernel.org/r/20241218191144.3440854-5-superm1@kernel.org
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
The rankings are useful information to determine if the scheduler
is placing tasks appropriately for the hardware.
Link: https://lore.kernel.org/r/20241218191144.3440854-4-superm1@kernel.org
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
When cpufreq_get_sysfs_value_from_table() is passed a table with
kernel strings that report 'enabled' or 'disabled' it always returns 0
because these can't cleanly convert to integers.
Explicitly look for enabled or disabled strings from the kernel to handle
this.
Link: https://lore.kernel.org/r/20241218191144.3440854-3-superm1@kernel.org
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
print_duration() has a return; statement at the end of the function
that is not necessary as it's a void function.
Link: https://lore.kernel.org/r/20241218191144.3440854-2-superm1@kernel.org
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Commit 'cpupower: Make TSC read per CPU for Mperf monitor' (c2adb1877b7)
changes TSC counter reads per cpu, but left time diff global (from start
of all cpus to end of all cpus), thus diff(time) is too large for a
cpu's tsc counting, resulting in far less than acutal TSC_Mhz and thus
`cpupower monitor` showing far less than actual cpu realtime frequency.
/proc/cpuinfo shows frequency:
cat /proc/cpuinfo | egrep -e 'processor' -e 'MHz'
...
processor : 171
cpu MHz : 4108.498
...
before fix (System 100% busy):
| Mperf || Idle_Stats
CPU| C0 | Cx | Freq || POLL | C1 | C2
171| 0.77| 99.23| 2279|| 0.00| 0.00| 0.00
after fix (System 100% busy):
| Mperf || Idle_Stats
CPU| C0 | Cx | Freq || POLL | C1 | C2
171| 0.46| 99.54| 4095|| 0.00| 0.00| 0.00
Fixes: c2adb1877b76 ("cpupower: Make TSC read per CPU for Mperf monitor")
Signed-off-by: He Rongguang <herongguang@linux.alibaba.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
