Using enable core mask, do online offline CPUs. There is a new option
--online|-o for set-config-level.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
If the CPU package has the less logical CPU than topo_max_cpus, but un-present
CPU's punit_cpu_core will be initiated to 0 and they will be count to core 0
Like below, there are only 10 high priority cores (20 logical CPUs) in the CPU
package, but it count to 27 logic CPUs.
./intel-speed-select base-freq info -l 0 | grep mask
high-priority-cpu-mask:7f000179,f000179f
With the fix patch:
./intel-speed-select base-freq info -l 0
high-priority-cpu-mask:00000179,f000179f
Signed-off-by: Youquan Song <youquan.song@intel.com>
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
- Update the ACPICA code in the kernel to upstream revision 20190816
including:
* Internal limits change to support larger systems (Bob Moore).
* Macros clean up (Bob Moore).
* printf format string fixes (Bob Moore).
* Full deployment of the ACPI_PRINTF_LIKE macro (Bob Moore).
* Tools improvements (Bob Moore, Colin Ian King).
* Windows _OSI support fixes (Jung-uk Kim).
- Improve memory hot-add support in the ACPI HMAT handling code (Dan
Williams, Keith Busch).
- Fix the ACPI LPSS (Low-Power Subsystem) driver for Intel SoCs to
save and restore private registers during system-wide suspend and
resume on systems with the Lynxpoint PCH (Jarkko Nikula).
- Convert the ACPI documentation related to LEDs to ReST (Sakari
Ailus).
- Fix assorted issues and make assorted minor improvements in the
ACPI-related code (Al Stone, Andy Shevchenko, Jiri Slaby, Kelsey
Skunberg, Krzysztof Wilczynski, Liguang Zhang, Wenwen Wang,
YueHaibing).
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Merge tag 'acpi-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These include an ACPICA update (to upstream revision 20190816),
improvements of support for memory hot-add in the HMAT handling code
and some assorted fixes and cleanups.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20190816
including:
* Internal limits change to support larger systems (Bob Moore).
* Macros clean up (Bob Moore).
* printf format string fixes (Bob Moore).
* Full deployment of the ACPI_PRINTF_LIKE macro (Bob Moore).
* Tools improvements (Bob Moore, Colin Ian King).
* Windows _OSI support fixes (Jung-uk Kim).
- Improve memory hot-add support in the ACPI HMAT handling code (Dan
Williams, Keith Busch).
- Fix the ACPI LPSS (Low-Power Subsystem) driver for Intel SoCs to
save and restore private registers during system-wide suspend and
resume on systems with the Lynxpoint PCH (Jarkko Nikula).
- Convert the ACPI documentation related to LEDs to ReST (Sakari
Ailus).
- Fix assorted issues and make assorted minor improvements in the
ACPI-related code (Al Stone, Andy Shevchenko, Jiri Slaby, Kelsey
Skunberg, Krzysztof Wilczynski, Liguang Zhang, Wenwen Wang,
YueHaibing)"
* tag 'acpi-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (23 commits)
ACPI / PCI: fix acpi_pci_irq_enable() memory leak
ACPI: custom_method: fix memory leaks
ACPI: thermal: Remove redundant acpi_has_method() calls
ACPI / CPPC: do not require the _PSD method
ACPI: SBS: remove unused const variable 'SMBUS_PEC'
ACPI / LPSS: Save/restore LPSS private registers also on Lynxpoint
ACPI/PCI: Remove surplus parentheses from a return statement
ACPICA: Update version to 20190816.
ACPICA: Add "Windows 2019" string to _OSI support.
ACPICA: Differentiate Windows 8.1 from Windows 8.
ACPICA: Fully deploy ACPI_PRINTF_LIKE macro
ACPICA: iASL,acpi_dump: Improve y/n query
ACPICA: Fix issues with arg types within printf format strings
ACPICA: Macros: remove pointer math on a null pointer
ACPICA: Increase total number of possible Owner IDs
ACPICA: Debugger: remove redundant assignment on obj_desc
Documentation: ACPI: DSD: Convert LED documentation to ReST
ACPI / APEI: Release resources if gen_pool_add() fails
HMAT: Skip publishing target info for nodes with no online memory
HMAT: Register attributes for memory hot add
...
- Rework the main suspend-to-idle control flow to avoid repeating
"noirq" device resume and suspend operations in case of spurious
wakeups from the ACPI EC and decouple the ACPI EC wakeups support
from the LPS0 _DSM support (Rafael Wysocki).
- Extend the wakeup sources framework to expose wakeup sources as
device objects in sysfs (Tri Vo, Stephen Boyd).
- Expose system suspend statistics in sysfs (Kalesh Singh).
- Introduce a new haltpoll cpuidle driver and a new matching
governor for virtualized guests wanting to do guest-side polling
in the idle loop (Marcelo Tosatti, Joao Martins, Wanpeng Li,
Stephen Rothwell).
- Fix the menu and teo cpuidle governors to allow the scheduler tick
to be stopped if PM QoS is used to limit the CPU idle state exit
latency in some cases (Rafael Wysocki).
- Increase the resolution of the play_idle() argument to microseconds
for more fine-grained injection of CPU idle cycles (Daniel Lezcano).
- Switch over some users of cpuidle notifiers to the new QoS-based
frequency limits and drop the CPUFREQ_ADJUST and CPUFREQ_NOTIFY
policy notifier events (Viresh Kumar).
- Add new cpufreq driver based on nvmem for sun50i (Yangtao Li).
- Add support for MT8183 and MT8516 to the mediatek cpufreq driver
(Andrew-sh.Cheng, Fabien Parent).
- Add i.MX8MN support to the imx-cpufreq-dt cpufreq driver (Anson
Huang).
- Add qcs404 to cpufreq-dt-platdev blacklist (Jorge Ramirez-Ortiz).
- Update the qcom cpufreq driver (among other things, to make it
easier to extend and to use kryo cpufreq for other nvmem-based
SoCs) and add qcs404 support to it (Niklas Cassel, Douglas
RAILLARD, Sibi Sankar, Sricharan R).
- Fix assorted issues and make assorted minor improvements in the
cpufreq code (Colin Ian King, Douglas RAILLARD, Florian Fainelli,
Gustavo Silva, Hariprasad Kelam).
- Add new devfreq driver for NVidia Tegra20 (Dmitry Osipenko, Arnd
Bergmann).
- Add new Exynos PPMU events to devfreq events and extend that
mechanism (Lukasz Luba).
- Fix and clean up the exynos-bus devfreq driver (Kamil Konieczny).
- Improve devfreq documentation and governor code, fix spelling
typos in devfreq (Ezequiel Garcia, Krzysztof Kozlowski, Leonard
Crestez, MyungJoo Ham, Gaël PORTAY).
- Add regulators enable and disable to the OPP (operating performance
points) framework (Kamil Konieczny).
- Update the OPP framework to support multiple opp-suspend properties
(Anson Huang).
- Fix assorted issues and make assorted minor improvements in the OPP
code (Niklas Cassel, Viresh Kumar, Yue Hu).
- Clean up the generic power domains (genpd) framework (Ulf Hansson).
- Clean up assorted pieces of power management code and documentation
(Akinobu Mita, Amit Kucheria, Chuhong Yuan).
- Update the pm-graph tool to version 5.5 including multiple fixes
and improvements (Todd Brandt).
- Update the cpupower utility (Benjamin Weis, Geert Uytterhoeven,
Sébastien Szymanski).
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Merge tag 'pm-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These include a rework of the main suspend-to-idle code flow (related
to the handling of spurious wakeups), a switch over of several users
of cpufreq notifiers to QoS-based limits, a new devfreq driver for
Tegra20, a new cpuidle driver and governor for virtualized guests, an
extension of the wakeup sources framework to expose wakeup sources as
device objects in sysfs, and more.
Specifics:
- Rework the main suspend-to-idle control flow to avoid repeating
"noirq" device resume and suspend operations in case of spurious
wakeups from the ACPI EC and decouple the ACPI EC wakeups support
from the LPS0 _DSM support (Rafael Wysocki).
- Extend the wakeup sources framework to expose wakeup sources as
device objects in sysfs (Tri Vo, Stephen Boyd).
- Expose system suspend statistics in sysfs (Kalesh Singh).
- Introduce a new haltpoll cpuidle driver and a new matching governor
for virtualized guests wanting to do guest-side polling in the idle
loop (Marcelo Tosatti, Joao Martins, Wanpeng Li, Stephen Rothwell).
- Fix the menu and teo cpuidle governors to allow the scheduler tick
to be stopped if PM QoS is used to limit the CPU idle state exit
latency in some cases (Rafael Wysocki).
- Increase the resolution of the play_idle() argument to microseconds
for more fine-grained injection of CPU idle cycles (Daniel
Lezcano).
- Switch over some users of cpuidle notifiers to the new QoS-based
frequency limits and drop the CPUFREQ_ADJUST and CPUFREQ_NOTIFY
policy notifier events (Viresh Kumar).
- Add new cpufreq driver based on nvmem for sun50i (Yangtao Li).
- Add support for MT8183 and MT8516 to the mediatek cpufreq driver
(Andrew-sh.Cheng, Fabien Parent).
- Add i.MX8MN support to the imx-cpufreq-dt cpufreq driver (Anson
Huang).
- Add qcs404 to cpufreq-dt-platdev blacklist (Jorge Ramirez-Ortiz).
- Update the qcom cpufreq driver (among other things, to make it
easier to extend and to use kryo cpufreq for other nvmem-based
SoCs) and add qcs404 support to it (Niklas Cassel, Douglas
RAILLARD, Sibi Sankar, Sricharan R).
- Fix assorted issues and make assorted minor improvements in the
cpufreq code (Colin Ian King, Douglas RAILLARD, Florian Fainelli,
Gustavo Silva, Hariprasad Kelam).
- Add new devfreq driver for NVidia Tegra20 (Dmitry Osipenko, Arnd
Bergmann).
- Add new Exynos PPMU events to devfreq events and extend that
mechanism (Lukasz Luba).
- Fix and clean up the exynos-bus devfreq driver (Kamil Konieczny).
- Improve devfreq documentation and governor code, fix spelling typos
in devfreq (Ezequiel Garcia, Krzysztof Kozlowski, Leonard Crestez,
MyungJoo Ham, Gaël PORTAY).
- Add regulators enable and disable to the OPP (operating performance
points) framework (Kamil Konieczny).
- Update the OPP framework to support multiple opp-suspend properties
(Anson Huang).
- Fix assorted issues and make assorted minor improvements in the OPP
code (Niklas Cassel, Viresh Kumar, Yue Hu).
- Clean up the generic power domains (genpd) framework (Ulf Hansson).
- Clean up assorted pieces of power management code and documentation
(Akinobu Mita, Amit Kucheria, Chuhong Yuan).
- Update the pm-graph tool to version 5.5 including multiple fixes
and improvements (Todd Brandt).
- Update the cpupower utility (Benjamin Weis, Geert Uytterhoeven,
Sébastien Szymanski)"
* tag 'pm-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (126 commits)
cpuidle-haltpoll: Enable kvm guest polling when dedicated physical CPUs are available
cpuidle-haltpoll: do not set an owner to allow modunload
cpuidle-haltpoll: return -ENODEV on modinit failure
cpuidle-haltpoll: set haltpoll as preferred governor
cpuidle: allow governor switch on cpuidle_register_driver()
PM: runtime: Documentation: add runtime_status ABI document
pm-graph: make setVal unbuffered again for python2 and python3
powercap: idle_inject: Use higher resolution for idle injection
cpuidle: play_idle: Increase the resolution to usec
cpuidle-haltpoll: vcpu hotplug support
cpufreq: Add qcs404 to cpufreq-dt-platdev blacklist
cpufreq: qcom: Add support for qcs404 on nvmem driver
cpufreq: qcom: Refactor the driver to make it easier to extend
cpufreq: qcom: Re-organise kryo cpufreq to use it for other nvmem based qcom socs
dt-bindings: opp: Add qcom-opp bindings with properties needed for CPR
dt-bindings: opp: qcom-nvmem: Support pstates provided by a power domain
Documentation: cpufreq: Update policy notifier documentation
cpufreq: Remove CPUFREQ_ADJUST and CPUFREQ_NOTIFY policy notifier events
PM / Domains: Verify PM domain type in dev_pm_genpd_set_performance_state()
PM / Domains: Simplify genpd_lookup_dev()
...
* ASUS WMI driver got couple of worth to mention updates, i.e. support of
FAN is fixed for recent products and the charge threshold support has been
added.
* Two uknown key events for Dell laptops are being ignored now to avoid spam
user with harmless messages.
* HP ZBook 17 G5 and ASUS Zenbook UX430UNR have got accelerometer support.
* Intel CherryTrail platforms got a regression with wake up. Now it's fixed.
* Intel PMC driver got fixed in order to work nicely in Xen environment.
* Intel Speed Select driver provides bucket vs core count relationship.
Besides that the tools has been updated for better output.
* The PrivacyGuard is enabled on Lenovo ThinkPad laptops.
* Three tablets, i.e. Trekstor Primebook C11B 2-in-1, Irbis TW90 and
Chuwi Surbook Mini, have got touchscreen support.
The following is an automated git shortlog grouped by driver:
acer-wmi:
- Switch to acpi_dev_get_first_match_dev()
asus-nb-wmi:
- Support ALS on the Zenbook UX430UNR
asus-wmi:
- Refactor charge threshold to use the battery hooking API
- Rename CHARGE_THRESHOLD to RSOC
- Reorder ASUS_WMI_CHARGE_THRESHOLD
- Fix condition in charge_threshold_store()
- Remove unnecessary blank lines
- Drop indentation level by inverting conditionals
- Use clamp_val() instead of open coded variant
- Replace sscanf() with kstrtoint()
- Refactor charge_threshold_store()
- Add support for charge threshold
- fix CPU fan control on recent products
- add a helper for device presence
- cleanup AGFN fan handling
- Use kmemdup rather than duplicating its implementation
compal-laptop:
- Initialize "value" in ec_read_u8()
dell-wmi:
- Use existing defined KBD_LED_* magic values
- Ignore keyboard backlight change KBD_LED_AUTO_TOKEN
- Ignore keyboard backlight change KBD_LED_ON_TOKEN
hp_accel:
- Add support for HP ZBook 17 G5
i2c-multi-instantiate:
- Use struct_size() helper
intel_bxtwc_tmu:
- Remove dev_err() usage after platform_get_irq()
intel_int0002_vgpio:
- Use device_init_wakeup
- Fix wakeups not working on Cherry Trail
- Remove dev_err() usage after platform_get_irq()
intel_pmc_core:
- Do not ioremap RAM
intel_pmc_core_pltdrv:
- Module removal warning fix
intel_pmc_ipc:
- Remove dev_err() usage after platform_get_irq()
ISST:
- Allow additional TRL MSRs
- Use dev_get_drvdata
MAINTAINERS:
- Switch PDx86 subsystem status to Odd Fixes
pcengines-apuv2:
- wire up simswitch gpio as led
- add mpcie reset gpio export
platform/mellanox:
- mlxreg-hotplug: Remove dev_err() usage after platform_get_irq()
pmc_atom:
- Add Siemens SIMATIC IPC227E to critclk_systems DMI table
thinkpad_acpi:
- Add ThinkPad PrivacyGuard
- Use kmemdup rather than duplicating its implementation
tools/power/x86/intel-speed-select:
- Display core count for bucket
- Fix memory leak
- Output success/failed for command output
- Output human readable CPU list
- Change turbo ratio output to maximum turbo frequency
- Switch output to MHz
- Simplify output for turbo-freq and base-freq
- Fix cpu-count output
- Fix help option typo
- Fix package typo
- Fix a read overflow in isst_set_tdp_level_msr()
touchscreen_dmi:
- Add info for the Trekstor Primebook C11B 2-in-1
- Add info for the Irbis TW90 tablet
- Add info for the Chuwi Surbook Mini tablet
wmi:
- Remove acpi_has_method() call
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Merge tag 'platform-drivers-x86-v5.4-1' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform-drivers updates from Andy Shevchenko:
- ASUS WMI driver got a couple of updates, i.e. support of FAN is fixed
for recent products and the charge threshold support has been added
- Two uknown key events for Dell laptops are being ignored now to avoid
spamming users with harmless messages
- HP ZBook 17 G5 and ASUS Zenbook UX430UNR got accelerometer support.
- Intel CherryTrail platforms had a regression with wake up. Now it's
fixed
- Intel PMC driver got fixed in order to work nicely in Xen
environment
- Intel Speed Select driver provides bucket vs core count relationship.
Besides that the tools has been updated for better output
- The PrivacyGuard is enabled on Lenovo ThinkPad laptops
- Three tablets - Trekstor Primebook C11B 2-in-1, Irbis TW90 and Chuwi
Surbook Mini - got touchscreen support
* tag 'platform-drivers-x86-v5.4-1' of git://git.infradead.org/linux-platform-drivers-x86: (53 commits)
MAINTAINERS: Switch PDx86 subsystem status to Odd Fixes
platform/x86: asus-wmi: Refactor charge threshold to use the battery hooking API
platform/x86: asus-wmi: Rename CHARGE_THRESHOLD to RSOC
platform/x86: asus-wmi: Reorder ASUS_WMI_CHARGE_THRESHOLD
tools/power/x86/intel-speed-select: Display core count for bucket
platform/x86: ISST: Allow additional TRL MSRs
tools/power/x86/intel-speed-select: Fix memory leak
tools/power/x86/intel-speed-select: Output success/failed for command output
tools/power/x86/intel-speed-select: Output human readable CPU list
tools/power/x86/intel-speed-select: Change turbo ratio output to maximum turbo frequency
tools/power/x86/intel-speed-select: Switch output to MHz
tools/power/x86/intel-speed-select: Simplify output for turbo-freq and base-freq
tools/power/x86/intel-speed-select: Fix cpu-count output
tools/power/x86/intel-speed-select: Fix help option typo
tools/power/x86/intel-speed-select: Fix package typo
tools/power/x86/intel-speed-select: Fix a read overflow in isst_set_tdp_level_msr()
platform/x86: intel_int0002_vgpio: Use device_init_wakeup
platform/x86: intel_int0002_vgpio: Fix wakeups not working on Cherry Trail
platform/x86: compal-laptop: Initialize "value" in ec_read_u8()
platform/x86: touchscreen_dmi: Add info for the Trekstor Primebook C11B 2-in-1
...
Read the bucket and core count relationship via MSR and display
when displaying turbo ratio limits.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This cpupower update for Linux 5.4-rc1 consists of bug fixes and
German translation updates from Benjamin Weis.
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Merge tag 'linux-cpupower-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux
Pull cpupower utility updates for v5.4 from Shuah Khan:
"This cpupower update for Linux 5.4-rc1 consists of bug fixes and
German translation updates from Benjamin Weis."
* tag 'linux-cpupower-5.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux:
cpupower: update German translation
tools/power/cpupower: fix 64bit detection when cross-compiling
cpupower: Add missing newline at end of file
cpumasks are allocated by calling the alloc_cpu_mask() function and are
never free'd. They should be free'd after the commands have run.
Fix the memory leaks by calling free_cpu_set().
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: David Arcari <darcari@redhat.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The intel-speed-select tool currently only outputs a hexidecimal CPU mask,
which requires translation for use with kernel parameters such as
isolcpus.
Along with the CPU mask, output a human readable CPU list.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: David Arcari <darcari@redhat.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The intel-speed-select tool currently outputs the turbo ratio for every
bucket. Make the output more user-friendly by changing the output to the
maximum turbo frequency.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: David Arcari <darcari@redhat.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
These features are introduced on new processors that will never operate
in the KHz range.
Save some zeros and switch the output to MHz.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: David Arcari <darcari@redhat.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The current output of 'intel-speed-select -c 53 perf-profile info -l 0'
shows
speed-select-turbo-freq-support:1
speed-select-base-freq-support:1
speed-select-base-freq-enabled:0
speed-select-turbo-freq-enabled:0
Simplify the output to single lines displaying status of disabled,
enabled, and unsupported.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: David Arcari <darcari@redhat.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
I have a system with 28 threads/socket but intel-speed-select reports
a cpu-count of 29.
Fix an off-by-one error in the cpu_count() function.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: David Arcari <darcari@redhat.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
The isst_send_msr_command() function will read 8 bytes but we are
passing an address to an int (4 bytes) so it results in a read overflow.
Fixes: 3fb4f7cd47 ("tools/power/x86: A tool to validate Intel Speed Select commands")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
sleepgraph:
- kprobe_events won't set correctly if the data is buffered
- force sysvals.setVal to be unbuffered and use binary mode
- tested in both python2 and python3
Link: https://bugzilla.kernel.org/show_bug.cgi?id=204773
Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com>
[ rjw: Subject ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Conflicts:
tools/power/x86/turbostat/turbostat.c
Recent turbostat changes conflicted with a pending rename of x86 model names in tip:x86/cpu,
sort it out.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Commit 9392bd98bb ("tools/power turbostat: Add support for AMD
Fam 17h (Zen) RAPL") and the commit 3316f99a9f ("tools/power
turbostat: Also read package power on AMD F17h (Zen)") add AMD Fam 17h
RAPL support.
Hygon Family 18h(Dhyana) support RAPL in bit 14 of CPUID 0x80000007 EDX,
and has MSRs RAPL_PWR_UNIT/CORE_ENERGY_STAT/PKG_ENERGY_STAT. So add Hygon
Dhyana Family 18h support for RAPL.
Already tested on Hygon multi-node systems and it shows correct per-core
energy usage and the total package power.
Signed-off-by: Pu Wen <puwen@hygon.cn>
Reviewed-by: Calvin Walton <calvin.walton@kepstin.ca>
Signed-off-by: Len Brown <len.brown@intel.com>
Commit 9392bd98bb ("tools/power turbostat: Add support for AMD
Fam 17h (Zen) RAPL") add a function get_tdp_amd(), the parameter is CPU
family. But the rapl_probe_amd() function use wrong model parameter.
Fix the wrong caller parameter of get_tdp_amd() to use family.
Cc: <stable@vger.kernel.org> # v5.1+
Signed-off-by: Pu Wen <puwen@hygon.cn>
Reviewed-by: Calvin Walton <calvin.walton@kepstin.ca>
Signed-off-by: Len Brown <len.brown@intel.com>
In some case C1% will be wrong value, when platform doesn't have MSR for
C1 residency.
For example:
Core CPU CPU%c1
- - 100.00
0 0 100.00
0 2 100.00
1 1 100.00
1 3 100.00
But adding Busy% will fix this
Core CPU Busy% CPU%c1
- - 99.77 0.23
0 0 99.77 0.23
0 2 99.77 0.23
1 1 99.77 0.23
1 3 99.77 0.23
This issue can be reproduced on most of the recent systems including
Broadwell, Skylake and later.
This is because if we don't select Busy% or Avg_MHz or Bzy_MHz then
mperf value will not be read from MSR, so it will be 0. But this
is required for C1% calculation when MSR for C1 residency is not present.
Same is true for C3, C6 and C7 column selection.
So add another define DO_BIC_READ(), which doesn't depend on user
column selection and use for mperf, C3, C6 and C7 related counters.
So when there is no platform support for C1 residency counters,
we still read these counters, if the CPU has support and user selected
display of CPU%c1.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Turbostat works by taking a snapshot of counters, sleeping, taking another
snapshot, calculating deltas, and printing out the table.
The sleep time is controlled via -i option or by user sending a signal or a
character to stdin. In the latter case, turbostat always adds 1 ms
sleep before it reads the counters, in order to avoid larger imprecisions
in the results in prints.
While the 1 ms delay may be a good idea for a "dumb" user, it is a
problem for an "aware" user. I do thousands and thousands of measurements
over a short period of time (like 2ms), and turbostat unconditionally adds
a 1ms to my interval, so I cannot get what I really need.
This patch removes the unconditional 1ms sleep. This is an expert user
tool, after all, and non-experts will unlikely ever use it in the non-fixed
interval mode anyway, so I think it is OK to remove the 1ms delay.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Commit '47936f944e78 tools/power turbostat: fix printing on input' make
a valid fix, but it completely disabled piped stdin support, which is
a valuable use-case. Indeed, if stdin is a pipe, turbostat won't read
anything from it, so it becomes impossible to get turbostat output at
user-defined moments, instead of the regular intervals.
There is no reason why this should works for terminals, but not for
pipes. This patch improves the situation. Instead of ignoring pipes, we
read data from them but gracefully handle the EOF case.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This enables turbostat utility on Ice Lake NNPI SoC.
Link: https://lkml.org/lkml/2019/6/5/1034
Signed-off-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Perhaps if this more descriptive name had been used,
then we wouldn't have had the HSW ULT vs HSW CORE bug,
fixed by the previous commit.
Signed-off-by: Len Brown <len.brown@intel.com>
turbostat: cpu0: msr offset 0x630 read failed: Input/output error
because Haswell Core does not have C8-C10.
Output C8-C10 only on Haswell ULT.
Fixes: f5a4c76ad7 ("tools/power turbostat: consolidate duplicate model numbers")
Reported-by: Prarit Bhargava <prarit@redhat.com>
Suggested-by: Kosuke Tatsukawa <tatsu@ab.jp.nec.com>
Signed-off-by: Len Brown <len.brown@intel.com>
turbostat could be terminated by general protection fault on some latest
hardwares which (for example) support 9 levels of C-states and show 18
"tADDED" lines. That bloats the total output and finally causes buffer
overrun. So let's extend the buffer to avoid this.
Signed-off-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Currently the error return path does not close the file fp and leaks
a file descriptor. Fix this by closing the file.
Fixes: 5ea7647b33 ("tools/power turbostat: Warn on bad ACPI LPIT data")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Turbostat currently normalizes TSC and other values by dividing by an
interval. This interval is the delta between the start of one global
(all counters on all CPUs) sampling and the start of another. However,
this introduces a lot of jitter into the data.
In order to reduce jitter, the interval calculation should be based on
timestamps taken per thread and close to the start of the thread's
sampling.
Define a per thread time value to hold the delta between samples taken
on the thread.
Use the timestamp taken at the beginning of sampling to calculate the
delta.
Move the thread's beginning timestamp to after the CPU migration to
avoid jitter due to the migration.
Use the global time delta for the average time delta.
Signed-off-by: Yazen Ghannam <yazen.ghannam@amd.com>
Signed-off-by: Len Brown <len.brown@intel.com>
The -w argument in x86_energy_perf_policy currently triggers an
unconditional segfault.
This is because the argument string reads: "+a:c:dD:E:e:f:m:M:rt:u:vw" and
yet the argument handler expects an argument.
When parse_optarg_string is called with a null argument, we then proceed to
crash in strncmp, not horribly friendly.
The man page describes -w as taking an argument, the long form
(--hwp-window) is correctly marked as taking a required argument, and the
code expects it.
As such, this patch simply marks the short form (-w) as requiring an
argument.
Signed-off-by: Zephaniah E. Loss-Cutler-Hull <zephaniah@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Compiling without optimisations is silly, especially since some
warnings depend on the optimiser. Use -O2.
Fortify adds warnings for unchecked I/O (among other things), which
seems to be a good idea for user-space code. Enable that too.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
x86_energy_perf_policy first uses __get_cpuid() to check the maximum
CPUID level and exits if it is too low. It then assumes that later
calls will succeed (which I think is architecturally guaranteed). It
also assumes that CPUID works at all (which is not guaranteed on
x86_32).
If optimisations are enabled, gcc warns about potentially
uninitialized variables. Fix this by adding an exit-on-error after
every call to __get_cpuid() instead of just checking the maximum
level.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
Update the German translation of cpupower, and change the encoding
to UTF-8.
[skhan@linuxfoundation.org: fix merge conflicts]
Signed-off-by: Benjamin Weis <benjamin.weis@gmx.com>
Acked-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
When cross-compiling cpupower, 64bit detection is done with the host
compiler instead of the cross-compiler and libcpupower.so.0 ends up in
/usr/lib64 instead of /usr/lib for 32bit target. Fix this by moving
64bit detection after CC is defined.
Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
"git diff" says:
\ No newline at end of file
after modifying the files.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Currently big microservers have _XEON_D while small microservers have
_X, Make it uniformly: _D.
for i in `git grep -l "\(INTEL_FAM6_\|VULNWL_INTEL\|INTEL_CPU_FAM6\).*_\(X\|XEON_D\)"`
do
sed -i -e 's/\(\(INTEL_FAM6_\|VULNWL_INTEL\|INTEL_CPU_FAM6\).*ATOM.*\)_X/\1_D/g' \
-e 's/\(\(INTEL_FAM6_\|VULNWL_INTEL\|INTEL_CPU_FAM6\).*\)_XEON_D/\1_D/g' ${i}
done
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Cc: x86@kernel.org
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Borislav Petkov <bp@alien8.de>
Link: https://lkml.kernel.org/r/20190827195122.677152989@infradead.org
Currently big core clients with extra graphics on have:
- _G
- _GT3E
Make it uniformly: _G
for i in `git grep -l "\(INTEL_FAM6_\|VULNWL_INTEL\|INTEL_CPU_FAM6\).*_GT3E"`
do
sed -i -e 's/\(\(INTEL_FAM6_\|VULNWL_INTEL\|INTEL_CPU_FAM6\).*\)_GT3E/\1_G/g' ${i}
done
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Cc: x86@kernel.org
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Borislav Petkov <bp@alien8.de>
Link: https://lkml.kernel.org/r/20190827195122.622802314@infradead.org
Currently big core mobile chips have either:
- _L
- _ULT
- _MOBILE
Make it uniformly: _L.
for i in `git grep -l "\(INTEL_FAM6_\|VULNWL_INTEL\|INTEL_CPU_FAM6\).*_\(MOBILE\|ULT\)"`
do
sed -i -e 's/\(\(INTEL_FAM6_\|VULNWL_INTEL\|INTEL_CPU_FAM6\).*\)_\(MOBILE\|ULT\)/\1_L/g' ${i}
done
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Cc: x86@kernel.org
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190827195122.568978530@infradead.org
Currently the big core client models either have:
- no OPTDIFF
- _CORE
- _DESKTOP
Make it uniformly: 'no OPTDIFF'.
for i in `git grep -l "\(INTEL_FAM6_\|VULNWL_INTEL\|INTEL_CPU_FAM6\).*_\(CORE\|DESKTOP\)"`
do
sed -i -e 's/\(\(INTEL_FAM6_\|VULNWL_INTEL\|INTEL_CPU_FAM6\).*\)_\(CORE\|DESKTOP\)/\1/g' ${i}
done
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Cc: x86@kernel.org
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190827195122.513945586@infradead.org
Upgrade bootgraph/sleepgraph to be able to run on python2 and python3.
Both now simply require python, the system can choose which to use.
bootgraph python3 update:
- add floor function to handle integer arithmetic
- change argument loop to use next() instead of args.next()
- open dmesg log and popen in binary, use decode(ascii, ignore)
- sort all html data to allow diff between python versions
- change exception handler to use python3 as instead of comma
sleepgraph python3 update:
- import configparser not ConfigParser (p2 needs python-configparser)
- add floor function to handle integer arithmetic
- change argument loop to use next() instead of args.next()
- handle popen output in binary, use decode(ascii, ignore)
- sort all html/output data to allow diff between python versions
- force gzip open to use text mode, same for file open
- ensure no binary data is written to logs (ascii convert devprops info)
- use codecs library to handle zlib encoding for mcelog data
- remove all uses of python3.7 keyword "async" as members or vars
- assume all FPDT and DMI data is in binary string form
sleepgraph:
- turbostat will be used by default if it's found & the mode is freeze
- a new option "-noturbostat" will disable its use
- fix bug where two callgraphs with the same start time overwrite.
- fix s2idle processing where two suspend/resume_machines occur back2back
- update getexec function to use which first (assuming PATH exists)
- new platforminfo data in log with: lspci, gpe counts, /proc/interrupts
- new data is zipped, b64 encoded, and tacked on the end of ftrace
Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
The y/n query is used for file overwrite. Use fgetc, check for
standalone newline.
ACPICA commit f9eb60ead76e5b2b6e578b553f592452ccfca47a
Link: https://github.com/acpica/acpica/commit/f9eb60ea
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
While descending directories, Kbuild produces objects for modules,
but do not link final *.ko files; it is done in the modpost.
To keep track of modules, Kbuild creates a *.mod file in $(MODVERDIR)
for every module it is building. Some post-processing steps read the
necessary information from *.mod files. This avoids descending into
directories again. This mechanism was introduced in 2003 or so.
Later, commit 551559e13a ("kbuild: implement modules.order") added
modules.order. So, we can simply read it out to know all the modules
with directory paths. This is easier than parsing the first line of
*.mod files.
$(MODVERDIR) has a flat directory structure, that is, *.mod files
are named only with base names. This is based on the assumption that
the module name is unique across the tree. This assumption is really
fragile.
Stephen Rothwell reported a race condition caused by a module name
conflict:
https://lkml.org/lkml/2019/5/13/991
In parallel building, two different threads could write to the same
$(MODVERDIR)/*.mod simultaneously.
Non-unique module names are the source of all kind of troubles, hence
commit 3a48a91901 ("kbuild: check uniqueness of module names")
introduced a new checker script.
However, it is still fragile in the build system point of view because
this race happens before scripts/modules-check.sh is invoked. If it
happens again, the modpost will emit unclear error messages.
To fix this issue completely, create *.mod with full directory path
so that two threads never attempt to write to the same file.
$(MODVERDIR) is no longer needed.
Since modules with directory paths are listed in modules.order, Kbuild
is still able to find *.mod files without additional descending.
I also killed cmd_secanalysis; scripts/mod/sumversion.c computes MD4 hash
for modules with MODULE_VERSION(). When CONFIG_DEBUG_SECTION_MISMATCH=y,
it occurs not only in the modpost stage, but also during directory
descending, where sumversion.c may parse stale *.mod files. It would emit
'No such file or directory' warning when an object consisting a module is
renamed, or when a single-obj module is turned into a multi-obj module or
vice versa.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Nicolas Pitre <nico@fluxnic.net>
ASUS WMI driver got a big refactoring in order to support the TUF Gaming
laptops. Besides that, the regression with backlight being permanently off
on various EeePC laptops has been fixed.
Accelerometer on HP ProBook 450 G0 shows wrong measurements due to
X axis being inverted. This has been fixed.
Intel PMC core driver has been extended to be ACPI enumerated
if the DSDT provides device with _HID "INT33A1". This allows
to convert the driver to be pure platform and support new hardware
purely based on ACPI DSDT.
From now on the Intel Speed Select Technology is supported thru
a corresponding driver. This driver provides an access to the features
of the ISST, such as Performance Profile, Core Power, Base frequency and
Turbo Frequency.
Mellanox platform drivers has been refactored and now extended
to support more systems, including new coming ones.
The OLPC XO-1.75 platform is now supported.
CB4063 Beckhoff Automation board is using PMC clocks,
provided via pmc_atom driver, for ethernet controllers in a way
that they can't be managed by the clock driver. The quirk
has been extended to cover this case.
Touchscreen on Chuwi Hi10 Plus tablet has been enabled. Meanwhile
the information of Chuwi Hi10 Air has been fixed to cover more models
based on the same platform.
Xiaomi notebooks have WMI interface enabled. Thus, the driver to support it
has been provided. It required some extension of the generic WMI library,
which allows to propagate opaque context to the ->probe() of the
individual drivers.
This release includes debugfs clean up from Greg KH for several drivers
that drop return code check and make debugfs absence or failure non-fatal.
Miscellaneous fixes here and there, mostly for Acer WMI and
various Intel drivers.
The listed below commits are duplicated due to previously pushed fixes in v5.2 cycle:
- 1dd93f873d platform/x86: asus-wmi: Only Tell EC the OS will handle display hotkeys from asus_nb_wmi
- 89ae3a0736 platform/x86: intel-vbtn: Report switch events when event wakes device
- fa882fc80d platform/x86: mlx-platform: Fix parent device in i2c-mux-reg device registration
- 0bfcd24b39 platform/mellanox: mlxreg-hotplug: Add devm_free_irq call to remove flow
The following is an automated git shortlog grouped by driver:
acer-wmi:
- Mark expected switch fall-throughs
- no need to check return value of debugfs_create functions
asus-nb-wmi:
- Add microphone mute key code
asus-wmi:
- Use dev_get_drvdata()
- Do not disable keyboard backlight on unloading
- Switch fan boost mode
- Enhance detection of thermal data
- Organize code into sections
- Refactor error handling
- Support WMI event queue
- Refactor WMI event handling
- Improve DSTS WMI method ID detection
- Increase input buffer size of WMI methods
- Fix preserving keyboard backlight intensity on load
- Fix hwmon device cleanup
- no need to check return value of debugfs_create functions
- Only Tell EC the OS will handle display hotkeys from asus_nb_wmi
dell-laptop:
- no need to check return value of debugfs_create functions
hp_accel:
- Add support for HP ProBook 450 G0
ideapad-laptop:
- no need to check return value of debugfs_create functions
intel_int0002_vgpio:
- Get rid of custom ICPU() macro
intel_menlow:
- avoid null pointer deference error
intel_pmc:
- no need to check return value of debugfs_create functions
intel_pmc_core:
- Attach using APCI HID "INT33A1"
- transform Pkg C-state residency from TSC ticks into microseconds
intel_telemetry:
- no need to check return value of debugfs_create functions
intel-vbtn:
- Report switch events when event wakes device
ISST:
- Restore state on resume
- Add Intel Speed Select PUNIT MSR interface
- Add Intel Speed Select mailbox interface via MSRs
- Add Intel Speed Select mailbox interface via PCI
- Add Intel Speed Select mmio interface
- Add IOCTL to Translate Linux logical CPU to PUNIT CPU number
- Store per CPU information
- Add common API to register and handle ioctls
- Update ioctl-number.txt for Intel Speed Select interface
- A tool to validate Intel Speed Select commands
- Add .gitignore file
MAINTAINERS:
- Update for Intel Speed Select Technology
mlx-platform:
- Fix error handling in mlxplat_init()
- Add more reset cause attributes
- Modify DMI matching order
- Add regmap structure for the next generation systems
- Change API for i2c-mlxcpld driver activation
- Move regmap initialization before all drivers activation
- Fix parent device in i2c-mux-reg device registration
- Add new attribute for mlxreg-io sysfs interfaces
pcengines-apuv2:
- Make two symbols static
- Fix PCENGINES_APU2 Kconfig warning
OLPC:
- Add a config menu category for XO 1.75
- Require CONFIG_POWER_SUPPLY for XO-1.75 EC
- Fix olpc_xo175_ec_cmd() return value
- Make olpc_dt_compatible_match() static __init
- Add INPUT dependencies
- Fix build error without CONFIG_SPI
- Add a regulator for the DCON
- Add XO-1.75 EC driver
- Use BIT() and GENMASK() for event masks
- Avoid a warning if the EC didn't register yet
- Move EC-specific functionality out from x86
- Remove an unused include
- Add OLPC XO-1.75 EC bindings
platform/mellanox:
- mlxreg-hotplug: Add devm_free_irq call to remove flow
pmc_atom:
- Add CB4063 Beckhoff Automation board to critclk_systems DMI table
- no need to check return value of debugfs_create functions
Kconfig:
- Remove left-over BACKLIGHT_LCD_SUPPORT
samsung-laptop:
- no need to check return value of debugfs_create functions
touchscreen_dmi:
- Update Hi10 Air filter
- Add info for the CHUWI Hi10 Plus tablet.
wmi:
- add Xiaomi WMI key driver
- add context argument to the probe function
- add context pointer field to struct wmi_device_id
- Add function to get _UID of WMI device
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Merge tag 'platform-drivers-x86-v5.3-1' of git://git.infradead.org/linux-platform-drivers-x86
Pull x86 platform driver updates from Andy Shevchenko:
"Gathered a bunch of x86 platform driver changes. It's rather big,
since includes two big refactors and completely new driver:
- ASUS WMI driver got a big refactoring in order to support the TUF
Gaming laptops. Besides that, the regression with backlight being
permanently off on various EeePC laptops has been fixed.
- Accelerometer on HP ProBook 450 G0 shows wrong measurements due to
X axis being inverted. This has been fixed.
- Intel PMC core driver has been extended to be ACPI enumerated if
the DSDT provides device with _HID "INT33A1". This allows to
convert the driver to be pure platform and support new hardware
purely based on ACPI DSDT.
- From now on the Intel Speed Select Technology is supported thru a
corresponding driver. This driver provides an access to the
features of the ISST, such as Performance Profile, Core Power, Base
frequency and Turbo Frequency.
- Mellanox platform drivers has been refactored and now extended to
support more systems, including new coming ones.
- The OLPC XO-1.75 platform is now supported.
- CB4063 Beckhoff Automation board is using PMC clocks, provided via
pmc_atom driver, for ethernet controllers in a way that they can't
be managed by the clock driver. The quirk has been extended to
cover this case.
- Touchscreen on Chuwi Hi10 Plus tablet has been enabled. Meanwhile
the information of Chuwi Hi10 Air has been fixed to cover more
models based on the same platform.
- Xiaomi notebooks have WMI interface enabled. Thus, the driver to
support it has been provided. It required some extension of the
generic WMI library, which allows to propagate opaque context to
the ->probe() of the individual drivers.
This release includes debugfs clean up from Greg KH for several
drivers that drop return code check and make debugfs absence or
failure non-fatal.
Also miscellaneous fixes here and there, mostly for Acer WMI and
various Intel drivers"
* tag 'platform-drivers-x86-v5.3-1' of git://git.infradead.org/linux-platform-drivers-x86: (74 commits)
platform/x86: Fix PCENGINES_APU2 Kconfig warning
tools/power/x86/intel-speed-select: Add .gitignore file
platform/x86: mlx-platform: Fix error handling in mlxplat_init()
platform/x86: intel_pmc_core: Attach using APCI HID "INT33A1"
platform/x86: intel_pmc_core: transform Pkg C-state residency from TSC ticks into microseconds
platform/x86: asus-wmi: Use dev_get_drvdata()
Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces
platform/x86: mlx-platform: Add more reset cause attributes
platform/x86: mlx-platform: Modify DMI matching order
platform/x86: mlx-platform: Add regmap structure for the next generation systems
platform/x86: mlx-platform: Change API for i2c-mlxcpld driver activation
platform/x86: mlx-platform: Move regmap initialization before all drivers activation
MAINTAINERS: Update for Intel Speed Select Technology
tools/power/x86: A tool to validate Intel Speed Select commands
platform/x86: ISST: Restore state on resume
platform/x86: ISST: Add Intel Speed Select PUNIT MSR interface
platform/x86: ISST: Add Intel Speed Select mailbox interface via MSRs
platform/x86: ISST: Add Intel Speed Select mailbox interface via PCI
platform/x86: ISST: Add Intel Speed Select mmio interface
platform/x86: ISST: Add IOCTL to Translate Linux logical CPU to PUNIT CPU number
...
Add a .gitignore file for build include/ and final binary.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: David Arcari <darcari@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
- Update the ACPICA code in the kernel to upstream revision 20190703
including:
* Initial/defalut namespace creation simplification (Bob Moore).
* Object initialization sequence update (Bob Moore).
* Removal of legacy module-level (dead) code (Erik Schmauss).
* Table load object initialization update (Erik Schmauss, Nikolaus
Voss).
- Fix GPE enabling issue in ACPICA causing premature wakeups from
suspend-to-idle to occur (Rafael Wysocki).
- Allow ACPI AC and battery drivers to be built on non-X86 (Ard
Biesheuvel).
- Fix address space handler removal in the ACPI PMIC driver for
Intel platforms (Andy Shevchenko).
- Allow BGRT to be overridden via initrd or configfs (Andrea Oliveri).
- Fix object resolution on table loads via configfs (Nikolaus Voss).
- Clean up assorted pieces of ACPI code and tools (Colin Ian King,
Liguang Zhang, Masahiro Yamada).
- Fix documentation build warning, convert the extcon document to
ReST and add it to the ACPI documentation (Mauro Carvalho Chehab,
Qian Cai).
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Merge tag 'acpi-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI updates from Rafael Wysocki:
"These update the ACPICA code in the kernel to upstream revision
20190703, fix up the handling of GPEs in ACPICA, allow some more ACPI
code to be built on ARM64 platforms, allow BGRT to be overridden, fix
minor issues and clean up assorted pieces of ACPI code.
Specifics:
- Update the ACPICA code in the kernel to upstream revision 20190703
including:
- Initial/default namespace creation simplification (Bob Moore).
- Object initialization sequence update (Bob Moore).
- Removal of legacy module-level (dead) code (Erik Schmauss).
- Table load object initialization update (Erik Schmauss,
Nikolaus Voss).
- Fix GPE enabling issue in ACPICA causing premature wakeups from
suspend-to-idle to occur (Rafael Wysocki).
- Allow ACPI AC and battery drivers to be built on non-X86 (Ard
Biesheuvel).
- Fix address space handler removal in the ACPI PMIC driver for Intel
platforms (Andy Shevchenko).
- Allow BGRT to be overridden via initrd or configfs (Andrea
Oliveri).
- Fix object resolution on table loads via configfs (Nikolaus Voss).
- Clean up assorted pieces of ACPI code and tools (Colin Ian King,
Liguang Zhang, Masahiro Yamada).
- Fix documentation build warning, convert the extcon document to
ReST and add it to the ACPI documentation (Mauro Carvalho Chehab,
Qian Cai)"
* tag 'acpi-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI / APEI: Remove needless __ghes_check_estatus() calls
ACPICA: Update version to 20190703
ACPICA: Update table load object initialization
ACPICA: Update for object initialization sequence
ACPICA: remove legacy module-level code due to deprecation
ACPICA: Namespace: simplify creation of the initial/default namespace
ACPI / PMIC: intel: Drop double removal of address space handler
ACPI: APD: remove redundant assignment to pointer clk
docs: extcon: convert it to ReST and move to ACPI dir
ACPI: Make AC and battery drivers available on !X86
ACPICA: Clear status of GPEs on first direct enable
ACPI: configfs: Resolve objects on host-directed table loads
ACPI: tables: Allow BGRT to be overridden
ACPI: OSL: Make a W=1 kernel-doc warning go away
ACPI: tools: Exclude tools/* from .gitignore patterns
* acpi-tables:
ACPI: configfs: Resolve objects on host-directed table loads
ACPI: tables: Allow BGRT to be overridden
* acpi-osl:
ACPI: OSL: Make a W=1 kernel-doc warning go away
* acpi-misc:
ACPI: Make AC and battery drivers available on !X86
* acpi-tools:
ACPI: tools: Exclude tools/* from .gitignore patterns
* pm-opp:
opp: Don't use IS_ERR on invalid supplies
opp: Make dev_pm_opp_set_rate() handle freq = 0 to drop performance votes
opp: Don't overwrite rounded clk rate
opp: Allocate genpd_virt_devs from dev_pm_opp_attach_genpd()
opp: Attach genpds to devices from within OPP core
* pm-misc:
PM / clk: Remove error message on out-of-memory condition
drivers: base: power: clock_ops: Use of_clk_get_parent_count()
* pm-avs:
power: avs: smartreflex: no need to check return value of debugfs_create functions
* pm-tools:
cpupower : frequency-set -r option misses the last cpu in related cpu list
cpupower: correct spelling of interval
Add README and update pm-graph and sleepgraph docs
Update to pm-graph 5.4
Update to pm-graph 5.3
The Intel(R) Speed select technologies contains four features.
Performance profile:An non architectural mechanism that allows multiple
optimized performance profiles per system via static and/or dynamic
adjustment of core count, workload, Tjmax, and TDP, etc. aka ISS
in the documentation.
Base Frequency: Enables users to increase guaranteed base frequency on
certain cores (high priority cores) in exchange for lower base frequency
on remaining cores (low priority cores). aka PBF in the documenation.
Turbo frequency: Enables the ability to set different turbo ratio limits
to cores based on priority. aka FACT in the documentation.
Core power: An Interface that allows user to define per core/tile
priority.
There is a multi level help for commands and options. This can be used
to check required arguments for each feature and commands for the
feature.
To start navigating the features start with
$sudo intel-speed-select --help
For help on a specific feature for example
$sudo intel-speed-select perf-profile --help
To get help for a command for a feature for example
$sudo intel-speed-select perf-profile get-lock-status --help
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Acked-by: Len Brown <len.brown@intel.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Based on 2 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation #
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 4122 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this work is licensed under the terms of the gnu gpl version 2
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 48 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Enrico Weigelt <info@metux.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081204.624030236@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
license__ = gpl version 2
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to add the SPDX identifier to this file.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Enrico Weigelt <info@metux.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081202.640009675@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This cpupower update for Linux 5.2-rc6 consists of a fix and a minor
spelling correction.
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Merge tag 'linux-cpupower-5.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux
Pull cpupower utility updates from Shuah Khan:
"This cpupower update consists of a fix and a minor spelling correction."
* tag 'linux-cpupower-5.2-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux:
cpupower : frequency-set -r option misses the last cpu in related cpu list
cpupower: correct spelling of interval
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation version 2 of the license
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 315 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Armijn Hemel <armijn@tjaldur.nl>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190531190115.503150771@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms and conditions of the gnu general public license
version 2 as published by the free software foundation this program
is distributed in the hope it will be useful but without any
warranty without even the implied warranty of merchantability or
fitness for a particular purpose see the gnu general public license
for more details you should have received a copy of the gnu general
public license along with this program if not write to the free
software foundation inc 51 franklin st fifth floor boston ma 02110
1301 usa
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 111 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190530000436.567572064@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms and conditions of the gnu general public license
version 2 as published by the free software foundation this program
is distributed in the hope it will be useful but without any
warranty without even the implied warranty of merchantability or
fitness for a particular purpose see the gnu general public license
for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 263 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141901.208660670@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation version 2 of the license this program
is distributed in the hope that it will be useful but without any
warranty without even the implied warranty of merchantability or
fitness for a particular purpose see the gnu general public license
for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 100 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190529141900.918357685@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To set frequency on specific cpus using cpupower, following syntax can
be used :
cpupower -c #i frequency-set -f #f -r
While setting frequency using cpupower frequency-set command, if we use
'-r' option, it is expected to set frequency for all cpus related to
cpu #i. But it is observed to be missing the last cpu in related cpu
list. This patch fixes the problem.
Signed-off-by: Abhishek Goel <huntbag@linux.vnet.ibm.com>
Reviewed-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Fix up multiple instances of "intervall" to correct
"interval" (all save one Italian instance).
Signed-off-by: Nick Black <dankamongmen@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Based on 1 normalized pattern(s):
released under gpl v2
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 15 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528171438.895196075@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation version 2 of the license this program
is distributed in the hope that it will be useful but without any
warranty without even the implied warranty of merchantability or
fitness for a particular purpose see the gnu general public license
for more details you should have received a copy of the gnu general
public license along with this program if not write to the free
software foundation inc 59 temple place suite 330 boston ma 02111
1307 usa
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 83 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070034.021731668@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
licensed under the terms of the gnu gpl license version 2
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 62 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.929121379@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 of the license or at
your option any later version this program is distributed in the
hope that it will be useful but without any warranty without even
the implied warranty of merchantability or fitness for a particular
purpose see the gnu general public license for more details you
should have received a copy of the gnu general public license along
with this program if not write to the free software foundation inc
59 temple place suite 330 boston ma 02111 1307 usa
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 1334 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 or at your option any
later version this program is distributed in the hope that it will
be useful but without any warranty without even the implied warranty
of merchantability or fitness for a particular purpose see the gnu
general public license for more details you should have received a
copy of the gnu general public license along with this program if
not write to the free software foundation inc 51 franklin street
fifth floor boston ma 02110 1301 usa
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 2 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Armijn Hemel <armijn@tjaldur.nl>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070033.022316957@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
tools/power/acpi/.gitignore has the following entries:
acpidbg
acpidump
ec
They are intended to ignore the following build artifacts:
tools/power/acpi/acpidbg
tools/power/acpi/acpidump
tools/power/acpi/ec
However, those .gitignore entries are effective not only for the
current directory, but also for any sub-directories.
So, from the point of .gitignore grammar, the following check-in
directories are also considered to be ignored:
tools/power/acpi/tools/acpidbg
tools/power/acpi/tools/acpidump
tools/power/acpi/tools/ec
As the manual gitignore(5) says "Files already tracked by Git are not
affected", this is not a problem as far as Git is concerned.
However, Git is not the only program that parses .gitignore because
.gitignore is useful to distinguish build artifacts from source files.
For example, tar(1) supports the --exclude-vcs-ignore option. As of
writing, this option does not work perfectly, but it intends to create
a tarball excluding files specified by .gitignore.
The issue can be prevented by prefixing the pattern with a slash; the
leading slash means the specified pattern is relative to the current
directory.
Do that for the "include" directory too for consistency and extra
safety.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
[ rjw: Subject & changelog ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Config/man page/README files:
- include README in the pm-graph folder
- add more detail to the example config to describe more options
- update the sleepgraph man page to document the new arguments
Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com>
[ rjw: Subject ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
bootgraph:
- dmesg log format has changed, update parser in two places
- fix prints in preparation for upgrade to python3
sleepgraph:
- fix prints in preparation for upgrade to python3
- add new trace events and kprobes to cover freeze more completely
- add new -ftop callgraph trace over suspend_devices_and_enter
- add -wifi option to check if a wifi connection is active
- add -skipkprobe option to suppress unwanted kprobes in dev mode
- add kernel params and sysinfo to the log output
- don't crash if /dev/mem is throwing IO errors, ignore FPDT and DMI
- fix kprobe length calculation when calls are recursive
- add several new kernel issue definitions for USB, ACPI, ATA, etc
- enable turbostat output to be read from stdout instead of from file
- add BIOS call data to the timeline from acpi_ps_execute_method kprobe
Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
sleepgraph:
- add support for parsing kernel issues from timeline dmesg logs
- with -summary, generate a summary-issues.html for kernel issues found
- with -summary, generate a summary-devices.html for device callback times
- when recreating a timeline, use -o to set the output html filename
- capture mcelog data when hardware errors occur and store in log
- add -turbostat option to capture power data during freeze
Signed-off-by: Todd Brandt <todd.e.brandt@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Add SPDX license identifiers to all files which:
- Have no license information of any form
- Have MODULE_LICENCE("GPL*") inside which was used in the initial
scan/conversion to ignore the file
These files fall under the project license, GPL v2 only. The resulting SPDX
license identifier is:
GPL-2.0-only
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pull x86 MDS mitigations from Thomas Gleixner:
"Microarchitectural Data Sampling (MDS) is a hardware vulnerability
which allows unprivileged speculative access to data which is
available in various CPU internal buffers. This new set of misfeatures
has the following CVEs assigned:
CVE-2018-12126 MSBDS Microarchitectural Store Buffer Data Sampling
CVE-2018-12130 MFBDS Microarchitectural Fill Buffer Data Sampling
CVE-2018-12127 MLPDS Microarchitectural Load Port Data Sampling
CVE-2019-11091 MDSUM Microarchitectural Data Sampling Uncacheable Memory
MDS attacks target microarchitectural buffers which speculatively
forward data under certain conditions. Disclosure gadgets can expose
this data via cache side channels.
Contrary to other speculation based vulnerabilities the MDS
vulnerability does not allow the attacker to control the memory target
address. As a consequence the attacks are purely sampling based, but
as demonstrated with the TLBleed attack samples can be postprocessed
successfully.
The mitigation is to flush the microarchitectural buffers on return to
user space and before entering a VM. It's bolted on the VERW
instruction and requires a microcode update. As some of the attacks
exploit data structures shared between hyperthreads, full protection
requires to disable hyperthreading. The kernel does not do that by
default to avoid breaking unattended updates.
The mitigation set comes with documentation for administrators and a
deeper technical view"
* 'x86-mds-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
x86/speculation/mds: Fix documentation typo
Documentation: Correct the possible MDS sysfs values
x86/mds: Add MDSUM variant to the MDS documentation
x86/speculation/mds: Add 'mitigations=' support for MDS
x86/speculation/mds: Print SMT vulnerable on MSBDS with mitigations off
x86/speculation/mds: Fix comment
x86/speculation/mds: Add SMT warning message
x86/speculation: Move arch_smt_update() call to after mitigation decisions
x86/speculation/mds: Add mds=full,nosmt cmdline option
Documentation: Add MDS vulnerability documentation
Documentation: Move L1TF to separate directory
x86/speculation/mds: Add mitigation mode VMWERV
x86/speculation/mds: Add sysfs reporting for MDS
x86/speculation/mds: Add mitigation control for MDS
x86/speculation/mds: Conditionally clear CPU buffers on idle entry
x86/kvm/vmx: Add MDS protection when L1D Flush is not active
x86/speculation/mds: Clear CPU buffers on exit to user
x86/speculation/mds: Add mds_clear_cpu_buffers()
x86/kvm: Expose X86_FEATURE_MD_CLEAR to guests
x86/speculation/mds: Add BUG_MSBDS_ONLY
...
ACPICA commit 24870bd9e73d71e2a1ff0a1e94519f8f8409e57d
ACPI_NAME_SIZE changed to ACPI_NAMESEG_SIZE
This clarifies that this is the length of an individual
nameseg, not the length of a generic namestring/namepath.
Improves understanding of the code.
Link: https://github.com/acpica/acpica/commit/24870bd9
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 92ec0935f27e217dff0b176fca02c2ec3d782bb5
ACPI_COMPARE_NAME changed to ACPI_COMPARE_NAMESEG
This clarifies (1) this is a compare on 4-byte namesegs, not
a generic compare. Improves understanding of the code.
Link: https://github.com/acpica/acpica/commit/92ec0935
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
ACPICA commit 19c18d3157945d1b8b64a826f0a8e848b7dbb127
ACPI_MOVE_NAME changed to ACPI_COPY_NAMESEG
This clarifies (1) this is a copy operation, and
(2) it operates on ACPI name_segs.
Improves understanding of the code.
Link: https://github.com/acpica/acpica/commit/19c18d31
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Pull turbostat utility updates for 5.1 from Len Brown:
"Misc fixes and updates."
* 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
tools/power turbostat: update version number
tools/power turbostat: Warn on bad ACPI LPIT data
tools/power turbostat: Add checks for failure of fgets() and fscanf()
tools/power turbostat: Also read package power on AMD F17h (Zen)
tools/power turbostat: Add support for AMD Fam 17h (Zen) RAPL
tools/power turbostat: Do not display an error on systems without a cpufreq driver
tools/power turbostat: Add Die column
tools/power turbostat: Add Icelake support
tools/power turbostat: Cleanup CNL-specific code
tools/power turbostat: Cleanup CC3-skip code
tools/power turbostat: Restore ability to execute in topology-order
On some systems /sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us
or /sys/devices/system/cpu/cpuidle/low_power_idle_system_residency_us
return a file error because of bad ACPI LPIT data from a misconfigured BIOS.
turbostat interprets this failure as a fatal error and outputs
turbostat: CPU LPI: No data available
If the ACPI LPIT sysfs files return an error output a warning instead of
a fatal error, disable the ACPI LPIT evaluation code, and continue.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Most calls to fgets() and fscanf() are followed by error checks.
Add an exit-on-error in the remaining cases.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Len Brown <len.brown@intel.com>
The package power can also be read from an MSR. It's not clear exactly
what is included, and whether it's aggregated over all nodes or
reported separately.
It does look like this is reported separately per CCX (I get a single
value on the Ryzen R7 1700), but it might be reported separately per-
die (node?) on larger processors. If that's the case, it would have to
be recorded per node and aggregated for the socket.
Note that although Zen has these MSRs reporting power, it looks like
the actual RAPL configuration (power limits, configured TDP) is done
through PCI configuration space. I have not yet found any public
documentation for this.
Signed-off-by: Calvin Walton <calvin.walton@kepstin.ca>
Signed-off-by: Len Brown <len.brown@intel.com>
Based on the Open-Source Register Reference for AMD Family 17h
Processors Models 00h-2Fh:
https://support.amd.com/TechDocs/56255_OSRR.pdf
These processors report RAPL support in bit 14 of CPUID 0x80000007 EDX,
and the following MSRs are present:
0xc0010299 (RAPL_PWR_UNIT), like Intel's RAPL_POWER_UNIT
0xc001029a (CORE_ENERGY_STAT), kind of like Intel's PP0_ENERGY_STATUS
0xc001029b (PKG_ENERGY_STAT), like Intel's PKG_ENERGY_STATUS
A notable difference from the Intel implementation is that AMD reports
the "Cores" energy usage separately for each core, rather than a
per-package total. The code has been adjusted to handle either case in a
generic way.
I haven't yet enabled collection of package power, due to being unable
to test it on multi-node systems (TR, EPYC).
Signed-off-by: Calvin Walton <calvin.walton@kepstin.ca>
Signed-off-by: Len Brown <len.brown@intel.com>
Running without a cpufreq driver is a valid case so warnings output in
this case should not be to stderr.
Use outf instead of stderr for these warnings.
Signed-off-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Len Brown <len.brown@intel.com>
turbostat executes on CPUs in "topology order".
This is an optimization for measuring profoundly idle systems --
as the closest hardware is woken next...
Fix a typo that was added with the sub-die-node support,
that broke topology ordering on multi-node systems.
Signed-off-by: Len Brown <len.brown@intel.com>
turbostat failed to return a non-zero exit status even though the
supplied command (turbostat <command>) failed. Currently when turbostat
forks a command it returns zero instead of the actual exit status of the
command. Modify the code to return the exit status.
Signed-off-by: David Arcari <darcari@redhat.com>
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Fix registration of new cpuidle governors partially broken during
the 5.0 development cycle by mistake (Rafael Wysocki).
- Avoid integer overflows in the menu cpuidle governor by making
it discard the overflowing data points upfront (Rafael Wysocki).
- Fix minor mistake in the recent update of the iowait boost
computation in the intel_pstate driver (Rafael Wysocki).
- Drop incorrect __init annotation from one function in the pxa2xx
cpufreq driver (Arnd Bergmann).
- Fix the operating performance points (OPP) framework
initialization for devices in multiple power domains if
only one of them is scalable (Rajendra Nayak).
- Fix mistake in dev_pm_opp_set_rate() which causes it to skip
updating the performance state if the new frequency is the same
as the old one (Viresh Kumar).
- Rework the cancellation of wakeup source timers to avoid
potential issues with it and do some cleanups unlocked by
that change (Viresh Kumar, Rafael Wysocki).
- Clean up the code computing the active/suspended time of devices
in the PM-runtime framework after recent changes (Ulf Hansson).
- Make the power management infrastructure code use pr_fmt()
consistently (Joe Perches).
- Clean up the generic power domains (genpd) framework somewhat
(Aisheng Dong).
- Improve kerneldoc comments for two functions in the cpufreq core
(Rafael Wysocki).
- Fix typo in a PM QoS file description comment (Aisheng Dong).
- Update the handling of CPU boost frequencies in the cpupower
utility (Abhishek Goel).
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Merge tag 'pm-5.1-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 fixes and cleanups on top of the previously merged
power management material for 5.1-rc1 with one cpupower utility update
that wasn't pushed earlier due to unfortunate timing.
Specifics:
- Fix registration of new cpuidle governors partially broken during
the 5.0 development cycle by mistake (Rafael Wysocki).
- Avoid integer overflows in the menu cpuidle governor by making it
discard the overflowing data points upfront (Rafael Wysocki).
- Fix minor mistake in the recent update of the iowait boost
computation in the intel_pstate driver (Rafael Wysocki).
- Drop incorrect __init annotation from one function in the pxa2xx
cpufreq driver (Arnd Bergmann).
- Fix the operating performance points (OPP) framework initialization
for devices in multiple power domains if only one of them is
scalable (Rajendra Nayak).
- Fix mistake in dev_pm_opp_set_rate() which causes it to skip
updating the performance state if the new frequency is the same as
the old one (Viresh Kumar).
- Rework the cancellation of wakeup source timers to avoid potential
issues with it and do some cleanups unlocked by that change (Viresh
Kumar, Rafael Wysocki).
- Clean up the code computing the active/suspended time of devices in
the PM-runtime framework after recent changes (Ulf Hansson).
- Make the power management infrastructure code use pr_fmt()
consistently (Joe Perches).
- Clean up the generic power domains (genpd) framework somewhat
(Aisheng Dong).
- Improve kerneldoc comments for two functions in the cpufreq core
(Rafael Wysocki).
- Fix typo in a PM QoS file description comment (Aisheng Dong).
- Update the handling of CPU boost frequencies in the cpupower
utility (Abhishek Goel)"
* tag 'pm-5.1-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpuidle: governor: Add new governors to cpuidle_governors again
cpufreq: intel_pstate: Fix up iowait_boost computation
PM / OPP: Update performance state when freq == old_freq
PM / wakeup: Drop wakeup_source_drop()
PM / wakeup: Rework wakeup source timer cancellation
PM / domains: Remove one unnecessary blank line
PM / Domains: Return early for all errors in _genpd_power_off()
PM / Domains: Improve warn for multiple states but no governor
OPP: Fix handling of multiple power domains
PM / QoS: Fix typo in file description
cpufreq: pxa2xx: remove incorrect __init annotation
PM-runtime: Call pm_runtime_active|suspended_time() from sysfs
PM-runtime: Consolidate code to get active/suspended time
PM: Add and use pr_fmt()
cpufreq: Improve kerneldoc comments for cpufreq_cpu_get/put()
cpuidle: menu: Avoid overflows when computing variance
tools/power/cpupower: Display boost frequency separately
Greg pointed out that speculation related bit defines are using (1 << N)
format instead of BIT(N). Aside of that (1 << N) is wrong as it should use
1UL at least.
Clean it up.
[ Josh Poimboeuf: Fix tools build ]
Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Frederic Weisbecker <frederic@kernel.org>
Reviewed-by: Jon Masters <jcm@redhat.com>
Tested-by: Jon Masters <jcm@redhat.com>
cpufreq driver creates sysfs file "scaling_boost_frequency" for platforms
which support boost frequency. Cpupower now prints boost frequencies
separately. For few x86 vendors who already have different way to get boost
frequency, will continue to use the existing logic. Rest of the platforms
will rely on "scaling_boost_frequency" file to display boost frequency.
Signed-off-by: Abhishek Goel <huntbag@linux.vnet.ibm.com>
Signed-off-by: Shuah Khan <shuah@kernel.org>
ACPICA commit 62f4f98e941d86e41969bf2ab5a93b8dc94dc49e
The update includes userspace tool signons.
Link: https://github.com/acpica/acpica/commit/62f4f98e
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Erik Schmauss <erik.schmauss@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
perf c2c:
Jiri Olsa:
- Change the default coalesce setup to from '--coalesce pid,iaddr' to just '--coalesce iaddr'.
- Increase the HITM ratio limit for displayed cachelines.
perf script:
Andi Kleen:
- Fix LBR skid dump problems in brstackinsn.
perf trace:
Arnaldo Carvalho de Melo:
- Check if the raw_syscalls:sys_{enter,exit} are setup before setting tp filter.
- Do not hardcode the size of the tracepoint common_ fields.
- Beautify USBDEFFS_ ioctl commands.
Colin Ian King:
- Use correct SECCOMP prefix spelling, "SECOMP_*" -> "SECCOMP_*".
perf python:
Jiri Olsa:
- Do not force closing original perf descriptor in evlist.get_pollfd().
tools misc:
Jiri Olsa:
- Allow overriding CFLAGS and LDFLAGS.
perf build:
Stanislav Fomichev:
- Don't unconditionally link the libbfd feature test to -liberty and -lz
thread-stack:
Adrian Hunter:
- Fix processing for the idle task, having a stack per cpu.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-core-for-mingo-4.21-20190103' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/core improvements and fixes from Arnaldo Carvalho de Melo:
perf c2c:
Jiri Olsa:
- Change the default coalesce setup to from '--coalesce pid,iaddr' to just '--coalesce iaddr'.
- Increase the HITM ratio limit for displayed cachelines.
perf script:
Andi Kleen:
- Fix LBR skid dump problems in brstackinsn.
perf trace:
Arnaldo Carvalho de Melo:
- Check if the raw_syscalls:sys_{enter,exit} are setup before setting tp filter.
- Do not hardcode the size of the tracepoint common_ fields.
- Beautify USBDEFFS_ ioctl commands.
Colin Ian King:
- Use correct SECCOMP prefix spelling, "SECOMP_*" -> "SECCOMP_*".
perf python:
Jiri Olsa:
- Do not force closing original perf descriptor in evlist.get_pollfd().
tools misc:
Jiri Olsa:
- Allow overriding CFLAGS and LDFLAGS.
perf build:
Stanislav Fomichev:
- Don't unconditionally link the libbfd feature test to -liberty and -lz
thread-stack:
Adrian Hunter:
- Fix processing for the idle task, having a stack per cpu.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
So that the user can specify outside CFLAGS/LDFLAGS values.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Herton Krzesinski <herton@redhat.com>
Cc: Len Brown <len.brown@intel.com>
Link: http://lkml.kernel.org/r/20181212102537.25902-5-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
So user could specify outside CFLAGS/LDFLAGS values.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Herton Krzesinski <herton@redhat.com>
Cc: Len Brown <len.brown@intel.com>
Link: https://lkml.kernel.org/r/20181212102537.25902-2-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Srinivas Pandruvada