Commit Graph

942 Commits

Author SHA1 Message Date
Len Brown
774627c598 tools/power turbostat: dump CPUID.7.EDX.Hybrid
CPUID leaf 7 EDX now tells us if the processor has hybrid CPUs

Signed-off-by: Len Brown <len.brown@intel.com>
2022-07-28 14:23:25 -04:00
Len Brown
7535249d10 tools/power turbostat: update turbostat.8
Update turbostat.8 to reflect new uncore frequency output (UncMHz)
Also, refresh examples.

Signed-off-by: Len Brown <len.brown@intel.com>
2022-07-28 14:23:25 -04:00
Len Brown
a5c6d65d06 tools/power turbostat: Show uncore frequency
When CONFIG_INTEL_UNCORE_FREQ_CONTROL is effective,
(Linux 5.9 and later), print the current (and default)
min and max uncore frequency limits.

When that driver provides the current uncore frequency
(Linux 5.18 and later), print a UncMHz column
reflecting the current uncore frequency.

Note that UncMHz is an instantaneous sample, not an average.

eg.

$ sudo ./turbostat -S --show frequency
...
Uncore Frequency pkg0 die0: 800 - 3900 MHz (800 - 3900 MHz)
...
Avg_MHz	Busy%	Bzy_MHz	TSC_MHz	UncMHz
28	0.70	4049	3095	3900

Signed-off-by: Len Brown <len.brown@intel.com>
2022-07-28 14:23:25 -04:00
Colin Ian King
5e5fd36c58 tools/power turbostat: Fix file pointer leak
Currently if a fscanf fails then an early return leaks an open
file pointer. Fix this by fclosing the file before the return.
Detected using static analysis with cppcheck:

tools/power/x86/turbostat/turbostat.c:2039:3: error: Resource leak: fp [resourceLeak]

Fixes: eae97e053f ("tools/power turbostat: Support thermal throttle count print")
Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Acked-by: Chen Yu <yu.c.chen@intel.com>
Reviewed-by: Tom Rix <trix@redhat.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2022-07-28 14:23:25 -04:00
Colin Ian King
e13da9a1db tools/power turbostat: replace strncmp with single character compare
Using strncmp for a single character comparison is overly complicated,
just use a simpler single character comparison instead. Also stops
static analyzers (such as cppcheck) from complaining about strncmp on
non-null terminated strings.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2022-07-28 14:23:25 -04:00
Chen Yu
033312336d tools/power turbostat: print the kernel boot commandline
It would be handy to have cmdline in turbostat output. For example,
according to the turbostat output, there are no C-states requested.
In this case the user is very curious if something like
intel_idle.max_cstate=0 was used, or may be idle=none too. It is
also curious whether things like intel_pstate=nohwp were used.

Print the boot command line accordingly:
turbostat version 21.05.04 - Len Brown <lenb@kernel.org>
Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.16.0+ root=UUID=
 b42359ed-1e05-42eb-8757-6bf2a1c19070 ro quiet splash vt.handoff=7

Suggested-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2022-07-28 14:23:25 -04:00
Zhang Rui
fb5e29df8d tools/power turbostat: Introduce support for RaptorLake
RaptorLake is compatible with AlderLake.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2022-07-28 14:23:25 -04:00
Linus Torvalds
09583dfed2 Power management updates for 5.19-rc1
- Update the Energy Model support code to allow the Energy Model to be
    artificial, which means that the power values may not be on a uniform
    scale with other devices providing power information, and update the
    cpufreq_cooling and devfreq_cooling thermal drivers to support
    artificial Energy Models (Lukasz Luba).
 
  - Make DTPM check the Energy Model type (Lukasz Luba).
 
  - Fix policy counter decrementation in cpufreq if Energy Model is in
    use (Pierre Gondois).
 
  - Add CPU-based scaling support to passive devfreq governor (Saravana
    Kannan, Chanwoo Choi).
 
  - Update the rk3399_dmc devfreq driver (Brian Norris).
 
  - Export dev_pm_ops instead of suspend() and resume() in the IIO
    chemical scd30 driver (Jonathan Cameron).
 
  - Add namespace variants of EXPORT[_GPL]_SIMPLE_DEV_PM_OPS and
    PM-runtime counterparts (Jonathan Cameron).
 
  - Move symbol exports in the IIO chemical scd30 driver into the
    IIO_SCD30 namespace (Jonathan Cameron).
 
  - Avoid device PM-runtime usage count underflows (Rafael Wysocki).
 
  - Allow dynamic debug to control printing of PM messages  (David
    Cohen).
 
  - Fix some kernel-doc comments in hibernation code (Yang Li, Haowen
    Bai).
 
  - Preserve ACPI-table override during hibernation (Amadeusz Sławiński).
 
  - Improve support for suspend-to-RAM for PSCI OSI mode (Ulf Hansson).
 
  - Make Intel RAPL power capping driver support the RaptorLake and
    AlderLake N processors (Zhang Rui, Sumeet Pawnikar).
 
  - Remove redundant store to value after multiply in the RAPL power
    capping driver (Colin Ian King).
 
  - Add AlderLake processor support to the intel_idle driver (Zhang Rui).
 
  - Fix regression leading to no genpd governor in the PSCI cpuidle
    driver and fix the riscv-sbi cpuidle driver to allow a genpd
    governor to be used (Ulf Hansson).
 
  - Fix cpufreq governor clean up code to avoid using kfree() directly
    to free kobject-based items (Kevin Hao).
 
  - Prepare cpufreq for powerpc's asm/prom.h cleanup (Christophe Leroy).
 
  - Make intel_pstate notify frequency invariance code when no_turbo is
    turned on and off (Chen Yu).
 
  - Add Sapphire Rapids OOB mode support to intel_pstate (Srinivas
    Pandruvada).
 
  - Make cpufreq avoid unnecessary frequency updates due to mismatch
    between hardware and the frequency table (Viresh Kumar).
 
  - Make remove_cpu_dev_symlink() clear the real_cpus mask to simplify
    code (Viresh Kumar).
 
  - Rearrange cpufreq_offline() and cpufreq_remove_dev() to make the
    calling convention for some driver callbacks consistent (Rafael
    Wysocki).
 
  - Avoid accessing half-initialized cpufreq policies from the show()
    and store() sysfs functions (Schspa Shi).
 
  - Rearrange cpufreq_offline() to make the calling convention for some
    driver callbacks consistent (Schspa Shi).
 
  - Update CPPC handling in cpufreq (Pierre Gondois).
 
  - Extend dev_pm_domain_detach() doc (Krzysztof Kozlowski).
 
  - Move genpd's time-accounting to ktime_get_mono_fast_ns() (Ulf
    Hansson).
 
  - Improve the way genpd deals with its governors (Ulf Hansson).
 
  - Update the turbostat utility to version 2022.04.16 (Len Brown,
    Dan Merillat, Sumeet Pawnikar, Zephaniah E. Loss-Cutler-Hull, Chen
    Yu).
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Merge tag 'pm-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management updates from Rafael Wysocki:
 "These add support for 'artificial' Energy Models in which power
  numbers for different entities may be in different scales, add support
  for some new hardware, fix bugs and clean up code in multiple places.

  Specifics:

   - Update the Energy Model support code to allow the Energy Model to
     be artificial, which means that the power values may not be on a
     uniform scale with other devices providing power information, and
     update the cpufreq_cooling and devfreq_cooling thermal drivers to
     support artificial Energy Models (Lukasz Luba).

   - Make DTPM check the Energy Model type (Lukasz Luba).

   - Fix policy counter decrementation in cpufreq if Energy Model is in
     use (Pierre Gondois).

   - Add CPU-based scaling support to passive devfreq governor (Saravana
     Kannan, Chanwoo Choi).

   - Update the rk3399_dmc devfreq driver (Brian Norris).

   - Export dev_pm_ops instead of suspend() and resume() in the IIO
     chemical scd30 driver (Jonathan Cameron).

   - Add namespace variants of EXPORT[_GPL]_SIMPLE_DEV_PM_OPS and
     PM-runtime counterparts (Jonathan Cameron).

   - Move symbol exports in the IIO chemical scd30 driver into the
     IIO_SCD30 namespace (Jonathan Cameron).

   - Avoid device PM-runtime usage count underflows (Rafael Wysocki).

   - Allow dynamic debug to control printing of PM messages (David
     Cohen).

   - Fix some kernel-doc comments in hibernation code (Yang Li, Haowen
     Bai).

   - Preserve ACPI-table override during hibernation (Amadeusz
     Sławiński).

   - Improve support for suspend-to-RAM for PSCI OSI mode (Ulf Hansson).

   - Make Intel RAPL power capping driver support the RaptorLake and
     AlderLake N processors (Zhang Rui, Sumeet Pawnikar).

   - Remove redundant store to value after multiply in the RAPL power
     capping driver (Colin Ian King).

   - Add AlderLake processor support to the intel_idle driver (Zhang
     Rui).

   - Fix regression leading to no genpd governor in the PSCI cpuidle
     driver and fix the riscv-sbi cpuidle driver to allow a genpd
     governor to be used (Ulf Hansson).

   - Fix cpufreq governor clean up code to avoid using kfree() directly
     to free kobject-based items (Kevin Hao).

   - Prepare cpufreq for powerpc's asm/prom.h cleanup (Christophe
     Leroy).

   - Make intel_pstate notify frequency invariance code when no_turbo is
     turned on and off (Chen Yu).

   - Add Sapphire Rapids OOB mode support to intel_pstate (Srinivas
     Pandruvada).

   - Make cpufreq avoid unnecessary frequency updates due to mismatch
     between hardware and the frequency table (Viresh Kumar).

   - Make remove_cpu_dev_symlink() clear the real_cpus mask to simplify
     code (Viresh Kumar).

   - Rearrange cpufreq_offline() and cpufreq_remove_dev() to make the
     calling convention for some driver callbacks consistent (Rafael
     Wysocki).

   - Avoid accessing half-initialized cpufreq policies from the show()
     and store() sysfs functions (Schspa Shi).

   - Rearrange cpufreq_offline() to make the calling convention for some
     driver callbacks consistent (Schspa Shi).

   - Update CPPC handling in cpufreq (Pierre Gondois).

   - Extend dev_pm_domain_detach() doc (Krzysztof Kozlowski).

   - Move genpd's time-accounting to ktime_get_mono_fast_ns() (Ulf
     Hansson).

   - Improve the way genpd deals with its governors (Ulf Hansson).

   - Update the turbostat utility to version 2022.04.16 (Len Brown, Dan
     Merillat, Sumeet Pawnikar, Zephaniah E. Loss-Cutler-Hull, Chen Yu)"

* tag 'pm-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (94 commits)
  PM: domains: Trust domain-idle-states from DT to be correct by genpd
  PM: domains: Measure power-on/off latencies in genpd based on a governor
  PM: domains: Allocate governor data dynamically based on a genpd governor
  PM: domains: Clean up some code in pm_genpd_init() and genpd_remove()
  PM: domains: Fix initialization of genpd's next_wakeup
  PM: domains: Fixup QoS latency measurements for IRQ safe devices in genpd
  PM: domains: Measure suspend/resume latencies in genpd based on governor
  PM: domains: Move the next_wakeup variable into the struct gpd_timing_data
  PM: domains: Allocate gpd_timing_data dynamically based on governor
  PM: domains: Skip another warning in irq_safe_dev_in_sleep_domain()
  PM: domains: Rename irq_safe_dev_in_no_sleep_domain() in genpd
  PM: domains: Don't check PM_QOS_FLAG_NO_POWER_OFF in genpd
  PM: domains: Drop redundant code for genpd always-on governor
  PM: domains: Add GENPD_FLAG_RPM_ALWAYS_ON for the always-on governor
  powercap: intel_rapl: remove redundant store to value after multiply
  cpufreq: CPPC: Enable dvfs_possible_from_any_cpu
  cpufreq: CPPC: Enable fast_switch
  ACPI: CPPC: Assume no transition latency if no PCCT
  ACPI: bus: Set CPPC _OSC bits for all and when CPPC_LIB is supported
  ACPI: CPPC: Check _OSC for flexible address space
  ...
2022-05-24 16:04:25 -07:00
Linus Torvalds
1961b06c91 ACPI updates for 5.19-rc1
- Update ACPICA code in the kernel to upstream revision 20220331
    including the following changes:
 
    * Add support for the Windows 11 _OSI string (Mario Limonciello)
    * Add the CFMWS subtable to the CEDT table (Lawrence Hileman).
    * iASL: NHLT: Treat Terminator as specific_config (Piotr Maziarz).
    * iASL: NHLT: Fix parsing undocumented bytes at the end of Endpoint
      Descriptor (Piotr Maziarz).
    * iASL: NHLT: Rename linux specific strucures to device_info (Piotr
      Maziarz).
    * Add new ACPI 6.4 semantics to Load() and LoadTable() (Bob Moore).
    * Clean up double word in comment (Tom Rix).
    * Update copyright notices to the year 2022 (Bob Moore).
    * Remove some tabs and // comments - automated cleanup (Bob Moore).
    * Replace zero-length array with flexible-array member (Gustavo A. R.
      Silva).
    * Interpreter: Add units to time variable names (Paul Menzel).
    * Add support for ARM Performance Monitoring Unit Table (Besar
      Wicaksono).
    * Inform users about ACPI spec violation related to sleep length (Paul
      Menzel).
    * iASL/MADT: Add OEM-defined subtable (Bob Moore).
    * Interpreter: Fix some typo mistakes (Selvarasu Ganesan).
    * Updates for revision E.d of IORT (Shameer Kolothum).
    * Use ACPI_FORMAT_UINT64 for 64-bit output (Bob Moore).
 
  - Improve debug messages in the ACPI device PM code (Rafael Wysocki).
 
  - Block ASUS B1400CEAE from suspend to idle by default (Mario
    Limonciello).
 
  - Improve handling of PCI devices that are in D3cold during system
    initialization (Rafael Wysocki).
 
  - Fix BERT error region memory mapping (Lorenzo Pieralisi).
 
  - Add support for NVIDIA 16550-compatible port subtype to the SPCR
    parsing code (Jeff Brasen).
 
  - Use static for BGRT_SHOW kobj_attribute defines (Tom Rix).
 
  - Fix missing prototype warning for acpi_agdi_init() (Ilkka Koskinen).
 
  - Fix missing ERST record ID in the APEI code (Liu Xinpeng).
 
  - Make APEI error injection to refuse to inject into the zero
    page (Tony Luck).
 
  - Correct description of INT3407 / INT3532 DPTF attributes in sysfs
    (Sumeet Pawnikar).
 
  - Add support for high frequency impedance notification to the DPTF
    driver (Sumeet Pawnikar).
 
  - Make mp_config_acpi_gsi() a void function (Li kunyu).
 
  - Unify Package () representation for properties in the ACPI device
    properties documentation (Andy Shevchenko).
 
  - Include UUID in _DSM evaluation warning (Michael Niewöhner).
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Merge tag 'acpi-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull ACPI updates from Rafael Wysocki:
 "These update the ACPICA kernel code to upstream revision 20220331,
  improve handling of PCI devices that are in D3cold during system
  initialization, add support for a few features, fix bugs and clean up
  code.

  Specifics:

   - Update ACPICA code in the kernel to upstream revision 20220331
     including the following changes:
       - Add support for the Windows 11 _OSI string (Mario Limonciello)
       - Add the CFMWS subtable to the CEDT table (Lawrence Hileman).
       - iASL: NHLT: Treat Terminator as specific_config (Piotr
         Maziarz).
       - iASL: NHLT: Fix parsing undocumented bytes at the end of
         Endpoint Descriptor (Piotr Maziarz).
       - iASL: NHLT: Rename linux specific strucures to device_info
         (Piotr Maziarz).
       - Add new ACPI 6.4 semantics to Load() and LoadTable() (Bob
         Moore).
       - Clean up double word in comment (Tom Rix).
       - Update copyright notices to the year 2022 (Bob Moore).
       - Remove some tabs and // comments - automated cleanup (Bob
         Moore).
       - Replace zero-length array with flexible-array member (Gustavo
         A. R. Silva).
       - Interpreter: Add units to time variable names (Paul Menzel).
       - Add support for ARM Performance Monitoring Unit Table (Besar
         Wicaksono).
       - Inform users about ACPI spec violation related to sleep length
         (Paul Menzel).
       - iASL/MADT: Add OEM-defined subtable (Bob Moore).
       - Interpreter: Fix some typo mistakes (Selvarasu Ganesan).
       - Updates for revision E.d of IORT (Shameer Kolothum).
       - Use ACPI_FORMAT_UINT64 for 64-bit output (Bob Moore).

   - Improve debug messages in the ACPI device PM code (Rafael Wysocki).

   - Block ASUS B1400CEAE from suspend to idle by default (Mario
     Limonciello).

   - Improve handling of PCI devices that are in D3cold during system
     initialization (Rafael Wysocki).

   - Fix BERT error region memory mapping (Lorenzo Pieralisi).

   - Add support for NVIDIA 16550-compatible port subtype to the SPCR
     parsing code (Jeff Brasen).

   - Use static for BGRT_SHOW kobj_attribute defines (Tom Rix).

   - Fix missing prototype warning for acpi_agdi_init() (Ilkka
     Koskinen).

   - Fix missing ERST record ID in the APEI code (Liu Xinpeng).

   - Make APEI error injection to refuse to inject into the zero page
     (Tony Luck).

   - Correct description of INT3407 / INT3532 DPTF attributes in sysfs
     (Sumeet Pawnikar).

   - Add support for high frequency impedance notification to the DPTF
     driver (Sumeet Pawnikar).

   - Make mp_config_acpi_gsi() a void function (Li kunyu).

   - Unify Package () representation for properties in the ACPI device
     properties documentation (Andy Shevchenko).

   - Include UUID in _DSM evaluation warning (Michael Niewöhner)"

* tag 'acpi-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (41 commits)
  Revert "ACPICA: executer/exsystem: Warn about sleeps greater than 10 ms"
  ACPI: utils: include UUID in _DSM evaluation warning
  ACPI: PM: Block ASUS B1400CEAE from suspend to idle by default
  x86: ACPI: Make mp_config_acpi_gsi() a void function
  ACPI: DPTF: Add support for high frequency impedance notification
  ACPI: AGDI: Fix missing prototype warning for acpi_agdi_init()
  ACPI: bus: Avoid non-ACPI device objects in walks over children
  ACPI: DPTF: Correct description of INT3407 / INT3532 attributes
  ACPI: BGRT: use static for BGRT_SHOW kobj_attribute defines
  ACPI, APEI, EINJ: Refuse to inject into the zero page
  ACPI: PM: Always print final debug message in acpi_device_set_power()
  ACPI: SPCR: Add support for NVIDIA 16550-compatible port subtype
  ACPI: docs: enumeration: Unify Package () for properties (part 2)
  ACPI: APEI: Fix missing ERST record id
  ACPICA: Update version to 20220331
  ACPICA: exsystem.c: Use ACPI_FORMAT_UINT64 for 64-bit output
  ACPICA: IORT: Updates for revision E.d
  ACPICA: executer/exsystem: Fix some typo mistakes
  ACPICA: iASL/MADT: Add OEM-defined subtable
  ACPICA: executer/exsystem: Warn about sleeps greater than 10 ms
  ...
2022-05-24 15:46:55 -07:00
Rafael J. Wysocki
0d64482bf2 Merge branch 'pm-tools'
Merge power management tools updates for 5.19-rc1:

 - Update turbostat to version 2022.04.16 including the following
   changes:

   * No build warnings with -Wextra (Len Brown).
   * Tweak --show and --hide capability (Len Brown).
   * Be more useful as non-root (Len Brown).
   * Fix ICX DRAM power numbers (Len Brown).
   * Fix dump for AMD cpus (Dan Merillat).
   * Add Power Limit4 support (Sumeet Pawnikar).
   * Print power values upto three decimal (Sumeet Pawnikar).
   * Allow -e for all names (Zephaniah E. Loss-Cutler-Hull).
   * Allow printing header every N iterations (Zephaniah E.
     Loss-Cutler-Hull).
   * Support thermal throttle count print (Chen Yu).

* pm-tools:
  tools/power turbostat: version 2022.04.16
  tools/power turbostat: No build warnings with -Wextra
  tools/power turbostat: be more useful as non-root
  tools/power turbostat: fix ICX DRAM power numbers
  tools/power turbostat: Support thermal throttle count print
  tools/power turbostat: Allow printing header every N iterations
  tools/power turbostat: Allow -e for all names.
  tools/power turbostat: print power values upto three decimal
  tools/power turbostat: Add Power Limit4 support
  tools/power turbostat: fix dump for AMD cpus
  tools/power turbostat: tweak --show and --hide capability
2022-05-23 19:59:06 +02:00
Rafael J. Wysocki
ec1ff61ee2 Merge branch 'acpica'
Merge ACPICA material for 5.19-rc1:

 - Add support for the Windows 11 _OSI string (Mario Limonciello)

 - Add the CFMWS subtable to the CEDT table (Lawrence Hileman).

 - iASL: NHLT: Treat Terminator as specific_config (Piotr Maziarz).

 - iASL: NHLT: Fix parsing undocumented bytes at the end of Endpoint
   Descriptor (Piotr Maziarz).

 - iASL: NHLT: Rename linux specific strucures to device_info (Piotr
   Maziarz).

 - Add new ACPI 6.4 semantics to Load() and LoadTable() (Bob Moore).

 - Clean up double word in comment (Tom Rix).

 - Update copyright notices to the year 2022 (Bob Moore).

 - Remove some tabs and // comments - automated cleanup (Bob Moore).

 - Replace zero-length array with flexible-array member (Gustavo A. R.
   Silva).

 - Interpreter: Add units to time variable names (Paul Menzel).

 - Add support for ARM Performance Monitoring Unit Table (Besar
   Wicaksono).

 - Inform users about ACPI spec violation related to sleep length (Paul
   Menzel).

 - iASL/MADT: Add OEM-defined subtable (Bob Moore).

 - Interpreter: Fix some typo mistakes (Selvarasu Ganesan).

 - Updates for revision E.d of IORT (Shameer Kolothum).

 - Use ACPI_FORMAT_UINT64 for 64-bit output (Bob Moore).

 - Update version to 20220331 (Bob Moore).

* acpica: (21 commits)
  Revert "ACPICA: executer/exsystem: Warn about sleeps greater than 10 ms"
  ACPICA: Update version to 20220331
  ACPICA: exsystem.c: Use ACPI_FORMAT_UINT64 for 64-bit output
  ACPICA: IORT: Updates for revision E.d
  ACPICA: executer/exsystem: Fix some typo mistakes
  ACPICA: iASL/MADT: Add OEM-defined subtable
  ACPICA: executer/exsystem: Warn about sleeps greater than 10 ms
  ACPICA: executer/exsystem: Inform users about ACPI spec violation
  ACPICA: Add support for ARM Performance Monitoring Unit Table.
  ACPICA: executer/exsystem: Add units to time variable names
  ACPICA: Headers: Replace zero-length array with flexible-array member
  ACPICA: Removed some tabs and // comments
  ACPICA: Update copyright notices to the year 2022
  ACPICA: Clean up double word in comment
  ACPICA: Add new ACPI 6.4 semantics for LoadTable() operator
  ACPICA: Add new ACPI 6.4 semantics to the Load() operator
  ACPICA: iASL: NHLT: Rename linux specific strucures to device_info
  ACPICA: iASL: NHLT: Fix parsing undocumented bytes at the end of Endpoint Descriptor
  ACPICA: iASL: NHLT: Treat Terminator as specific_config
  ACPICA: Add the subtable CFMWS to the CEDT table
  ...
2022-05-23 18:16:42 +02:00
Srinivas Pandruvada
9230a2ac2b tools/power/x86/intel-speed-select: Fix warning for perf_cap.cpu
Initialize perf_cap struct to avoid warning:

  CC      hfi-events.o
In function ‘process_hfi_event’,
    inlined from ‘handle_event’ at hfi-events.c:220:5:
hfi-events.c:184:9: warning: ‘perf_cap.cpu’ may be used
uninitialized [-Wmaybe-uninitialized]
  184 |         process_level_change(perf_cap->cpu);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
hfi-events.c: In function ‘handle_event’:
hfi-events.c:193:25: note: ‘perf_cap.cpu’ was declared here
  193 |         struct perf_cap perf_cap;
      |                         ^~~~~~~~

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20220511171208.211319-1-srinivas.pandruvada@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2022-05-12 15:37:53 +02:00
Srinivas Pandruvada
2da6391dfc tools/power/x86/intel-speed-select: Display error on turbo mode disabled
For Intel SST turbo-freq feature to be enabled, the turbo mode on the
platform must be enabled also. If turbo mode is disabled, display error
while enabling turbo-freq feature.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Link: https://lore.kernel.org/r/20220510023421.3930540-1-srinivas.pandruvada@linux.intel.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2022-05-12 15:35:30 +02:00
Rafael J. Wysocki
9765fa2566 Merge branch 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull turbostat changes for 5.19 from Len Brown:

"Chen Yu (1):
      tools/power turbostat: Support thermal throttle count print

Dan Merillat (1):
      tools/power turbostat: fix dump for AMD cpus

Len Brown (5):
      tools/power turbostat: tweak --show and --hide capability
      tools/power turbostat: fix ICX DRAM power numbers
      tools/power turbostat: be more useful as non-root
      tools/power turbostat: No build warnings with -Wextra
      tools/power turbostat: version 2022.04.16

Sumeet Pawnikar (2):
      tools/power turbostat: Add Power Limit4 support
      tools/power turbostat: print power values upto three decimal

Zephaniah E. Loss-Cutler-Hull (2):
      tools/power turbostat: Allow -e for all names.
      tools/power turbostat: Allow printing header every N iterations"

* 'turbostat' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux:
  tools/power turbostat: version 2022.04.16
  tools/power turbostat: No build warnings with -Wextra
  tools/power turbostat: be more useful as non-root
  tools/power turbostat: fix ICX DRAM power numbers
  tools/power turbostat: Support thermal throttle count print
  tools/power turbostat: Allow printing header every N iterations
  tools/power turbostat: Allow -e for all names.
  tools/power turbostat: print power values upto three decimal
  tools/power turbostat: Add Power Limit4 support
  tools/power turbostat: fix dump for AMD cpus
  tools/power turbostat: tweak --show and --hide capability
2022-04-19 17:43:25 +02:00
Len Brown
58990892ca tools/power turbostat: version 2022.04.16
Signed-off-by: Len Brown <len.brown@intel.com>
2022-04-17 00:05:25 -04:00
Len Brown
9878bf7a9f tools/power turbostat: No build warnings with -Wextra
Signed-off-by: Len Brown <len.brown@intel.com>
2022-04-16 23:45:18 -04:00
Len Brown
164d7a965b tools/power turbostat: be more useful as non-root
Don't exit if used this way:

sudo setcap cap_sys_nice,cap_sys_rawio=+ep ./turbostat
sudo chmod +r /dev/cpu/*/msr
./turbostat

note: cap_sys_admin is now also needed for the perf IPC counter:
sudo setcap cap_sys_admin,cap_sys_nice,cap_sys_rawio=+ep ./turbostat

Reported-by: Artem S. Tashkinov <aros@gmx.com>
Reported-by: Toby Broom <tbroom@outlook.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2022-04-16 23:07:05 -04:00
Len Brown
6397b64189 tools/power turbostat: fix ICX DRAM power numbers
ICX (and its duplicates) require special hard-coded DRAM RAPL units,
rather than using the generic RAPL energy units.

Reported-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2022-04-16 21:58:15 -04:00
Chen Yu
eae97e053f tools/power turbostat: Support thermal throttle count print
The turbostat data is collected by end user for power evaluationit. However
it looks like we are missing enough thermal context there. Already a couple of
time we found that power management developer asking something like this:
grep -r . /sys/devices/system/cpu/cpu*/thermal_throttle/*

Print the per core thermal throttle count so as to get suffificent thermal
context.

turbostat -i 5 -s Core,CPU,CoreThr
Core	CPU	CoreThr
-	-	104
0	0	61
0	4
1	1	0
1	5
2	2	104
2	6
3	3	7
3	7

Suggested-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2022-04-16 21:58:15 -04:00
Zephaniah E. Loss-Cutler-Hull
c7e399f839 tools/power turbostat: Allow printing header every N iterations
This gives the ability to reprint the header every N iterations, so you
can ensure that a scrolling display always has the header visible
somewhere on the screen.

Signed-off-by: Zephaniah E. Loss-Cutler-Hull <zephaniah@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2022-04-16 21:58:15 -04:00
Zephaniah E. Loss-Cutler-Hull
0fc521bc33 tools/power turbostat: Allow -e for all names.
Currently, there are a number of variables which are displayed by
default, enabled with -e all, and listed by --list, but which you can
not give to --enable/-e.

So you can enable CPU0c1 (in the bic array), but you can't enable C1 or
C1% (not in the bic array, but exists in sysfs).

This runs counter to both the documentation and user expectations, and
it's just not very user friendly.

As such, the mechanism used by --hide has been duplicated, and is now
also used by --enable, so we can handle unknown names gracefully.

Note: One impact of this is that truly unknown fields given to --enable
will no longer generate errors, they will be silently ignored, as --hide
does.

Signed-off-by: Zephaniah E. Loss-Cutler-Hull <zephaniah@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2022-04-16 21:58:15 -04:00
Sumeet Pawnikar
6b398625ae tools/power turbostat: print power values upto three decimal
Print power values upto three decimal places in watts.

Suggested-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2022-04-16 21:58:15 -04:00
Sumeet Pawnikar
f52ba93190 tools/power turbostat: Add Power Limit4 support
Add Power Limit4 support.

Signed-off-by: Sumeet Pawnikar <sumeet.r.pawnikar@intel.com>
Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2022-04-16 21:58:14 -04:00
Dan Merillat
6799ba84ca tools/power turbostat: fix dump for AMD cpus
turbostat --Dump exits early with status 243 (-13)

get_counters() calls get_msr_sum() on zen CPUS
for MSR_PKG_ENERGY_STAT, but per_cpu_msr_sum
has not been initialized.

Signed-off-by: Dan Merillat <git@dan.eginity.com>
Signed-off-by: Len Brown <len.brown@intel.com>
2022-04-16 21:58:14 -04:00
Len Brown
5dc241f2b2 tools/power turbostat: tweak --show and --hide capability
allow invocations such as # turbostat --show power,Busy%

previously the "Busy%" was ignored

Signed-off-by: Len Brown <len.brown@intel.com>
2022-04-16 21:17:18 -04:00
Bob Moore
487ea80a28 ACPICA: Update copyright notices to the year 2022
ACPICA commit 738d7b0726e6c0458ef93c0a01c0377490888d1e

Affects all source modules and utility signons.

Link: https://github.com/acpica/acpica/commit/738d7b07
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-04-13 20:24:57 +02:00
Herton R. Krzesinski
b2dd71f9f7 tools/power/x86/intel-speed-select: fix build failure when using -Wl,--as-needed
Build of intel-speed-select will fail if you run:

$ LDFLAGS="-Wl,--as-needed" /usr/bin/make V=1
...
gcc -O2 -Wall -g -D_GNU_SOURCE -Iinclude -I/usr/include/libnl3 -Wl,--as-needed -lnl-genl-3 -lnl-3 intel-speed-select-in.o -o intel-speed-select
/usr/bin/ld: intel-speed-select-in.o: in function `handle_event':
(...)/linux/tools/power/x86/intel-speed-select/hfi-events.c:189: undefined reference to `nlmsg_hdr'
...

In this case the problem is that order when linking matters when using
the flag -Wl,--as-needed, symbols not used at that point are discarded.
So since intel-speed-select-in.o comes after, at that point the
libraries/symbols are already discarded and then missing/undefined
references are reported.

To fix this, make sure we specify LDFLAGS after the object file.

Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Herton R. Krzesinski <herton@redhat.com>
Link: https://lore.kernel.org/r/20220404210525.725611-1-herton@redhat.com
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2022-04-13 13:49:48 +02:00
Linus Torvalds
b8321ed4a4 Kbuild updates for v5.18
- Add new environment variables, USERCFLAGS and USERLDFLAGS to allow
    additional flags to be passed to user-space programs.
 
  - Fix missing fflush() bugs in Kconfig and fixdep
 
  - Fix a minor bug in the comment format of the .config file
 
  - Make kallsyms ignore llvm's local labels, .L*
 
  - Fix UAPI compile-test for cross-compiling with Clang
 
  - Extend the LLVM= syntax to support LLVM=<suffix> form for using a
    particular version of LLVm, and LLVM=<prefix> form for using custom
    LLVM in a particular directory path.
 
  - Clean up Makefiles
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Merge tag 'kbuild-v5.18-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:

 - Add new environment variables, USERCFLAGS and USERLDFLAGS to allow
   additional flags to be passed to user-space programs.

 - Fix missing fflush() bugs in Kconfig and fixdep

 - Fix a minor bug in the comment format of the .config file

 - Make kallsyms ignore llvm's local labels, .L*

 - Fix UAPI compile-test for cross-compiling with Clang

 - Extend the LLVM= syntax to support LLVM=<suffix> form for using a
   particular version of LLVm, and LLVM=<prefix> form for using custom
   LLVM in a particular directory path.

 - Clean up Makefiles

* tag 'kbuild-v5.18-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  kbuild: Make $(LLVM) more flexible
  kbuild: add --target to correctly cross-compile UAPI headers with Clang
  fixdep: use fflush() and ferror() to ensure successful write to files
  arch: syscalls: simplify uapi/kapi directory creation
  usr/include: replace extra-y with always-y
  certs: simplify empty certs creation in certs/Makefile
  certs: include certs/signing_key.x509 unconditionally
  kallsyms: ignore all local labels prefixed by '.L'
  kconfig: fix missing '# end of' for empty menu
  kconfig: add fflush() before ferror() check
  kbuild: replace $(if A,A,B) with $(or A,B)
  kbuild: Add environment variables for userprogs flags
  kbuild: unify cmd_copy and cmd_shipped
2022-03-31 11:59:03 -07:00
Linus Torvalds
f648372dfe Thermal control updates for 5.18-rc1
- Add a new thermal driver for the Intel Hardware Feedback Interface
    (HFI) including the HFI initialization, HFI notification interrupt
    handling and sending CPU capabilities change messages to user
    space via the thermal netlink interface (Ricardo Neri, Srinivas
    Pandruvada, Nathan Chancellor, Randy Dunlap).
 
  - Extend the intel-speed-select utility to handle out-of-band CPU
    configuration changes and add support for the CPU capabilities
    change messages sent over the thermal netlink interface by the new
    HFI thermal driver to it (Srinivas Pandruvada).
 
  - Convert the DT bindings to yaml format for the Exynos platform
    and fix and update the MAINTAINERS file for this driver (Krzysztof
    Kozlowski).
 
  - Register the thermal zones as HWmon sensors for the QCom's
    Tsens driver and TI thermal platforms (Dmitry Baryshkov, Romain
    Naour).
 
  - Add the msm8953 compatible documentation in the bindings (Luca
    Weiss).
 
  - Add the sm8150 platform support to the QCom LMh driver's DT
    binding (Thara Gopinath).
 
  - Check the command result from the IPC command to the BPMP in the
    Tegra driver (Mikko Perttunen).
 
  - Silence the error for normal configuration where the interrupt
    is optionnal in the Broadcom thermal driver (Florian Fainelli).
 
  - Remove remaining dead code from the TI thermal driver (Yue
    Haibing).
 
  - Don't use bitmap_weight() in end_power_clamp() in the powerclamp
    driver (Yury Norov).
 
  - Update the OS policy capabilities handshake in the int340x thermal
    driver (Srinivas Pandruvada).
 
  - Increase the policies bitmap size in int340x (Srinivas Pandruvada).
 
  - Replace acpi_bus_get_device() with acpi_fetch_acpi_dev() in the
    int340x thermal driver (Rafael Wysocki).
 
  - Check for NULL after calling kmemdup() in int340x (Jiasheng Jiang).
 
  - Add Intel Dynamic Power and Thermal Framework (DPTF) kernel interface
    documentation (Srinivas Pandruvada).
 
  - Fix bullet list warning in the thermal documentation (Randy Dunlap).
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Merge tag 'thermal-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull thermal control updates from Rafael Wysocki:
 "As far as new functionality is concerned, there is a new thermal
  driver for the Intel Hardware Feedback Interface (HFI) along with some
  intel-speed-select utility changes to support it. There are also new
  DT compatible strings for a couple of platforms, and thermal zones on
  some platforms will be registered as HWmon sensors now.

  Apart from the above, some drivers are updated (fixes mostly) and
  there is a new piece of documentation for the Intel DPTF (Dynamic
  Power and Thermal Framework) sysfs interface.

  Specifics:

   - Add a new thermal driver for the Intel Hardware Feedback Interface
     (HFI) including the HFI initialization, HFI notification interrupt
     handling and sending CPU capabilities change messages to user space
     via the thermal netlink interface (Ricardo Neri, Srinivas
     Pandruvada, Nathan Chancellor, Randy Dunlap).

   - Extend the intel-speed-select utility to handle out-of-band CPU
     configuration changes and add support for the CPU capabilities
     change messages sent over the thermal netlink interface by the new
     HFI thermal driver to it (Srinivas Pandruvada).

   - Convert the DT bindings to yaml format for the Exynos platform and
     fix and update the MAINTAINERS file for this driver (Krzysztof
     Kozlowski).

   - Register the thermal zones as HWmon sensors for the QCom's Tsens
     driver and TI thermal platforms (Dmitry Baryshkov, Romain Naour).

   - Add the msm8953 compatible documentation in the bindings (Luca
     Weiss).

   - Add the sm8150 platform support to the QCom LMh driver's DT binding
     (Thara Gopinath).

   - Check the command result from the IPC command to the BPMP in the
     Tegra driver (Mikko Perttunen).

   - Silence the error for normal configuration where the interrupt is
     optionnal in the Broadcom thermal driver (Florian Fainelli).

   - Remove remaining dead code from the TI thermal driver (Yue
     Haibing).

   - Don't use bitmap_weight() in end_power_clamp() in the powerclamp
     driver (Yury Norov).

   - Update the OS policy capabilities handshake in the int340x thermal
     driver (Srinivas Pandruvada).

   - Increase the policies bitmap size in int340x (Srinivas Pandruvada).

   - Replace acpi_bus_get_device() with acpi_fetch_acpi_dev() in the
     int340x thermal driver (Rafael Wysocki).

   - Check for NULL after calling kmemdup() in int340x (Jiasheng Jiang).

   - Add Intel Dynamic Power and Thermal Framework (DPTF) kernel
     interface documentation (Srinivas Pandruvada).

   - Fix bullet list warning in the thermal documentation (Randy
     Dunlap)"

* tag 'thermal-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (30 commits)
  thermal: int340x: Update OS policy capability handshake
  thermal: int340x: Increase bitmap size
  Documentation: thermal: DPTF Documentation
  MAINTAINERS: thermal: samsung: update Krzysztof Kozlowski's email
  thermal/drivers/ti-soc-thermal: Remove unused function ti_thermal_get_temp()
  thermal/drivers/brcmstb_thermal: Interrupt is optional
  thermal: tegra-bpmp: Handle errors in BPMP response
  drivers/thermal/ti-soc-thermal: Add hwmon support
  dt-bindings: thermal: tsens: Add msm8953 compatible
  dt-bindings: thermal: Add sm8150 compatible string for LMh
  thermal/drivers/qcom/lmh: Add support for sm8150
  thermal/drivers/tsens: register thermal zones as hwmon sensors
  MAINTAINERS: thermal: samsung: Drop obsolete properties
  dt-bindings: thermal: samsung: Convert to dtschema
  tools/power/x86/intel-speed-select: v1.12 release
  tools/power/x86/intel-speed-select: HFI support
  tools/power/x86/intel-speed-select: OOB daemon mode
  thermal: intel: hfi: INTEL_HFI_THERMAL depends on NET
  thermal: netlink: Fix parameter type of thermal_genl_cpu_capability_event() stub
  thermal: Replace acpi_bus_get_device()
  ...
2022-03-21 14:35:11 -07:00
Jinzhou Su
5e32adccea tools/power/x86/amd_pstate_tracer: Add tracer tool for AMD P-state
Intel P-state tracer is a useful tool to tune and debug Intel P-state
driver. AMD P-state tracer import intel pstate tracer. This tool can
be used to analyze the performance of AMD P-state tracer.

Now CPU frequency, load and desired perf can be traced.

Signed-off-by: Jinzhou Su <Jinzhou.Su@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-03-09 19:53:01 +01:00
Jinzhou Su
ab3ff9f1d7 tools/power/x86/intel_pstate_tracer: make tracer as a module
Make intel_pstate_tracer as a module. Other trace event can import
this module to analyze their trace data.

Signed-off-by: Jinzhou Su <Jinzhou.Su@amd.com>
Acked-by: Doug Smythies <dsmythies@telus.net>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-03-09 19:53:01 +01:00
Artem Bityutskiy
a1b6f487cb turbostat: fix PC6 displaying on some systems
'MSR_PKG_CST_CONFIG_CONTROL' encodes the deepest allowed package C-state limit,
and turbostat decodes it.

Before this patch: turbostat does not recognize value "3" on Ice Lake Xeon
(ICX) and Sapphire Rapids Xeon (SPR), treats it as "unknown", and does not
display any package C-states in the results table.

After this patch: turbostat recognizes value 3 on ICX and SPR, treats it as
"PC6", and correctly displays package C-states in the results table.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-03-08 14:27:25 +01:00
Huang Rui
8382dce5e4 cpupower: Add "perf" option to print AMD P-State information
Add "-c --perf" option in cpupower-frequency-info to get the performance
and frequency values for AMD P-State.

Commit message amended:
Shuah Khan <skhan@linuxfoundation.org>

Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-02-23 17:46:21 -07:00
Huang Rui
d8363e2917 cpupower: Add function to print AMD P-State performance capabilities
AMD P-State kernel module is using the fine grain frequency instead of
acpi hardware pstate. So add a function to print performance and
frequency values.

Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-02-22 18:37:12 -07:00
Huang Rui
35fdf42d90 cpupower: Move print_speed function into misc helper
The print_speed can be as a common function, and expose it into misc
helper header. Then it can be used on other helper files as well.

Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-02-22 18:37:07 -07:00
Huang Rui
bf9801baa8 cpupower: Enable boost state support for AMD P-State module
The legacy ACPI hardware P-States function has 3 P-States on ACPI table,
the CPU frequency only can be switched between the 3 P-States. While the
processor supports the boost state, it will have another boost state
that the frequency can be higher than P0 state, and the state can be
decoded by the function of decode_pstates() and read by
amd_pci_get_num_boost_states().

However, the new AMD P-State function is different than legacy ACPI
hardware P-State on AMD processors. That has a finer grain frequency
range between the highest and lowest frequency. And boost frequency is
actually the frequency which is mapped on highest performance ratio. The
similar previous P0 frequency is mapped on nominal performance ratio.
If the highest performance on the processor is higher than nominal
performance, then we think the current processor supports the boost
state. And it uses amd_pstate_boost_init() to initialize boost for AMD
P-State function.

Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-02-22 18:37:01 -07:00
Huang Rui
33e43f3636 cpupower: Add AMD P-State sysfs definition and access helper
Introduce the marco definitions and access helper function for
AMD P-State sysfs interfaces such as each performance goals and frequency
levels in amd helper file. They will be used to read the sysfs attribute
from AMD P-State cpufreq driver for cpupower utilities.

Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-02-22 18:36:55 -07:00
Huang Rui
4a06806e5d cpupower: Introduce ACPI CPPC library
Kernel ACPI subsytem introduced the sysfs attributes for acpi cppc
library in below path:

/sys/devices/system/cpu/cpuX/acpi_cppc/

And these attributes will be used for AMD P-State driver to provide some
performance and frequency values.

Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-02-22 18:36:50 -07:00
Huang Rui
e3ede97657 cpupower: Add the function to get the sysfs value from specific table
Expose the helper into cpufreq header, then cpufreq driver can use this
function to get the sysfs value if it has any specific sysfs interfaces.

Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-02-22 18:36:44 -07:00
Huang Rui
083792f368 cpupower: Initial AMD P-State capability
If kernel starts the AMD P-State module, the cpupower will initial the
capability flag as CPUPOWER_CAP_AMD_PSTATE. And once AMD P-State
capability is set, it won't need to set legacy ACPI relative
capabilities anymore.

Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-02-22 18:36:39 -07:00
Huang Rui
46c273a095 cpupower: Add the function to check AMD P-State enabled
The processor with AMD P-State function also supports legacy ACPI
hardware P-States feature as well. Once driver sets AMD P-State eanbled,
the processor will respond the finer grain AMD P-State feature instead of
legacy ACPI P-States. So it introduces the cpupower_amd_pstate_enabled()
to check whether the current kernel enables AMD P-State or AMD CPUFreq
module.

Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-02-22 18:36:32 -07:00
Huang Rui
c8be60c120 cpupower: Add AMD P-State capability flag
Add AMD P-State capability flag in cpupower to indicate AMD new P-State
kernel module support on Ryzen processors.

Reviewed-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-02-22 18:36:16 -07:00
Srinivas Pandruvada
f3874e96fa tools/power/x86/intel-speed-select: v1.12 release
This version allows out of band SST support, where some remote agent
changes SST profiles via some Board Management Controller.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2022-02-17 10:57:38 -08:00
Srinivas Pandruvada
7d440da009 tools/power/x86/intel-speed-select: HFI support
Read HFI (Hardware Feedback Interface) events to process config level
changes in oob mode. When HFI is supported there is no need for polling
to check config level change.

Subscribe to Linux thermal netlink messages and process message:
THERMAL_GENL_EVENT_CPU_CAPABILITY_CHANGE.
This message contains cpu number, performance and energy efficiency.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2022-02-17 10:57:31 -08:00
Srinivas Pandruvada
7fd786dfbd tools/power/x86/intel-speed-select: OOB daemon mode
It is possible that some out of band agent changed config level. In this
case CPUs need to be online/offline to support this config change. Add
a command line option --oob, so that this tool can run as daemon and poll
for config level change and take action. The poll interval is configurable
in seconds using config option --poll-interval.

Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2022-02-17 10:57:25 -08:00
Masahiro Yamada
5c8166419a kbuild: replace $(if A,A,B) with $(or A,B)
$(or ...) is available since GNU Make 3.81, and useful to shorten the
code in some places.

Covert as follows:

  $(if A,A,B)  -->  $(or A,B)

This patch also converts:

  $(if A, A, B) --> $(or A, B)

Strictly speaking, the latter is not an equivalent conversion because
GNU Make keeps spaces after commas; if A is not empty, $(if A, A, B)
expands to " A", while $(or A, B) expands to "A".

Anyway, preceding spaces are not significant in the code hunks I touched.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Nicolas Schier <nicolas@fjasle.eu>
2022-02-15 12:25:56 +09:00
ozkanonur
101025ff8e tools/power/cpupower/{ToDo => TODO}: Rename the todo file
Renamed the to-do file to 'TODO' instead of 'ToDo' to
comply with the naming standard.

Signed-off-by: ozkanonur <onurozkan.dev@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-01-24 09:07:11 -07:00
Andreas Rammhold
9d7c485065 tools: cpupower: fix typo in cpupower-idle-set(1) manpage
The tools name was wrong in the SYNTAX section of the manpage it should
read "idle-set" instead of "idle-info".

Signed-off-by: Andreas Rammhold <andreas@rammhold.de>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2022-01-24 09:07:11 -07:00
Linus Torvalds
6a8d7fbf1c More ACPI updates for 5.17-rc1
- Add support for the the Platform Firmware Runtime Update and
    Telemetry (PFRUT) interface based on ACPI to allow certain pieces
    of the platform firmware to be updated without restarting the
    system and to provide a mechanism for collecting platform firmware
    telemetry data (Chen Yu, Dan Carpenter, Yang Yingliang).
 
  - Ignore E820 reservations covering PCI host bridge windows on
    sufficiently recent x86 systems to avoid issues with allocating
    PCI BARs on systems where the E820 reservations cover the entire
    PCI host bridge memory window returned by the _CRS object in the
    system's ACPI tables (Hans de Goede).
 
  - Fix and clean up acpi_scan_init() (Rafael Wysocki).
 
  - Add more sanity checking to ACPI SPCR tables parsing (Mark
    Langsdorf).
 
  - Fix up ACPI APD (AMD Soc) driver initialization (Jiasheng Jiang).
 
  - Drop unnecessary "static" from the ACPI PCC address space handling
    driver added recently (kernel test robot).
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Merge tag 'acpi-5.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull more ACPI updates from Rafael Wysocki:
 "The most significant item here is the Platform Firmware Runtime Update
  and Telemetry (PFRUT) support designed to allow certain pieces of the
  platform firmware to be updated on the fly, among other things.

  Also important is the e820 handling change on x86 that should work
  around PCI BAR allocation issues on some systems shipping since 2019.

  The rest is just a handful of assorted fixes and cleanups on top of
  the ACPI material merged previously.

  Specifics:

   - Add support for the the Platform Firmware Runtime Update and
     Telemetry (PFRUT) interface based on ACPI to allow certain pieces
     of the platform firmware to be updated without restarting the
     system and to provide a mechanism for collecting platform firmware
     telemetry data (Chen Yu, Dan Carpenter, Yang Yingliang).

   - Ignore E820 reservations covering PCI host bridge windows on
     sufficiently recent x86 systems to avoid issues with allocating PCI
     BARs on systems where the E820 reservations cover the entire PCI
     host bridge memory window returned by the _CRS object in the
     system's ACPI tables (Hans de Goede).

   - Fix and clean up acpi_scan_init() (Rafael Wysocki).

   - Add more sanity checking to ACPI SPCR tables parsing (Mark
     Langsdorf).

   - Fix up ACPI APD (AMD Soc) driver initialization (Jiasheng Jiang).

   - Drop unnecessary "static" from the ACPI PCC address space handling
     driver added recently (kernel test robot)"

* tag 'acpi-5.17-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI: PCC: pcc_ctx can be static
  ACPI: scan: Rename label in acpi_scan_init()
  ACPI: scan: Simplify initialization of power and sleep buttons
  ACPI: scan: Change acpi_scan_init() return value type to void
  ACPI: SPCR: check if table->serial_port.access_width is too wide
  ACPI: APD: Check for NULL pointer after calling devm_ioremap()
  x86/PCI: Ignore E820 reservations for bridge windows on newer systems
  ACPI: pfr_telemetry: Fix info leak in pfrt_log_ioctl()
  ACPI: pfr_update: Fix return value check in pfru_write()
  ACPI: tools: Introduce utility for firmware updates/telemetry
  ACPI: Introduce Platform Firmware Runtime Telemetry driver
  ACPI: Introduce Platform Firmware Runtime Update device driver
  efi: Introduce EFI_FIRMWARE_MANAGEMENT_CAPSULE_HEADER and corresponding structures
2022-01-18 08:51:51 +02:00
Linus Torvalds
347708875a platform-drivers-x86 for v5.17-1
Highlights:
  - new drivers:
    - asus-tf103c-dock
    - intel_crystal_cove_charger
    - lenovo-yogabook-wmi
    - simatic-ipc platform-code + led driver + watchdog driver
    - x86-android-tablets (kernel module to workaround DSDT bugs on these)
  - amd-pmc:
    - bug-fixes
    - smar trace buffer support
  - asus-wmi: support for custom fan curves
  - int3472 (camera info ACPI object for Intel IPU3/SkyCam cameras):
    - ACPI core + int3472 changes to delay enumeration of camera sensor I2C
      clients until the PMIC for the sensor has been fully probed
    - Add support for board data (DSDT info is incomplete) for setting up
      the tps68470 PMIC used on some boards with these cameras
    - Add board data for the Microsoft Surface Go (original, v2 and v3)
  - thinkpad_acpi:
    - various cleanups
    - support for forced battery discharging (for battery calibration)
    - support to inhibit battery charging
    - this includes power_supply core changes to add new APIs for this
  - think_lmi: enhanced BIOS password support
  - various other small fixes and hardware-id additions
 
 The following is an automated git shortlog grouped by driver:
 
 ACPI:
  -  delay enumeration of devices with a _DEP pointing to an INT3472 device
 
 Add Asus TF103C dock driver:
  - Add Asus TF103C dock driver
 
 Add intel_crystal_cove_charger driver:
  - Add intel_crystal_cove_charger driver
 
 Documentation:
  -  syfs-class-firmware-attributes: Lenovo Opcode support
 
 Merge tag 'platform-drivers-x86-int3472-1' into review-hans:
  - Merge tag 'platform-drivers-x86-int3472-1' into review-hans
 
 amd-pmc:
  -  only use callbacks for suspend
  -  Add support for AMD Smart Trace Buffer
  -  Simplify error handling and store the pci_dev in amd_pmc_dev structure
  -  Fix s2idle failures on certain AMD laptops
  -  Make CONFIG_AMD_PMC depend on RTC_CLASS
 
 apple-gmux:
  -  use resource_size() with res
 
 asus-wmi:
  -  Reshuffle headers for better maintenance
  -  Split MODULE_AUTHOR() on per author basis
  -  Join string literals back
  -  remove unneeded semicolon
  -  Add support for custom fan curves
 
 dell-wmi-descriptor:
  -  disable by default
 
 hp_accel:
  -  Use SIMPLE_DEV_PM_OPS() for PM ops
  -  Fix an error handling path in 'lis3lv02d_probe()'
 
 i2c:
  -  acpi: Add i2c_acpi_new_device_by_fwnode() function
  -  acpi: Use acpi_dev_ready_for_enumeration() helper
 
 int3472:
  -  Add board data for Surface Go 3
  -  Deal with probe ordering issues
  -  Pass tps68470_regulator_platform_data to the tps68470-regulator MFD-cell
  -  Pass tps68470_clk_platform_data to the tps68470-regulator MFD-cell
  -  Add get_sensor_adev_and_name() helper
  -  Split into 2 drivers
 
 intel-uncore-frequency:
  -  use default_groups in kobj_type
 
 intel_pmc_core:
  -  fix memleak on registration failure
 
 leds:
  -  simatic-ipc-leds: add new driver for Siemens Industial PCs
 
 lenovo-yogabook-wmi:
  -  Add support for hall sensor on the back
  -  Add driver for Lenovo Yoga Book
 
 lg-laptop:
  -  Recognize more models
 
 platform:
  -  surface: Propagate ACPI Dependency
 
 platform/mellanox:
  -  mlxbf-pmc: Fix an IS_ERR() vs NULL bug in mlxbf_pmc_map_counters
  -  mlxreg-lc: fix error code in mlxreg_lc_create_static_devices()
 
 platform/surface:
  -  aggregator_registry: Rename device registration function
  -  aggregator_registry: Use generic client removal function
  -  aggregator: Make client device removal more generic
 
 platform/x86/intel:
  -  Remove X86_PLATFORM_DRIVERS_INTEL
  -  hid: add quirk to support Surface Go 3
 
 platform_data:
  -  Add linux/platform_data/tps68470.h file
 
 pmc_atom:
  -  improve critclk_systems matching for Siemens PCs
 
 power:
  -  supply: Provide stubs for charge_behaviour helpers
  -  supply: fix charge_behaviour attribute initialization
  -  supply: add helpers for charge_behaviour sysfs
  -  supply: add charge_behaviour attributes
 
 samsung-laptop:
  -  Fix typo in a comment
 
 simatic-ipc:
  -  add main driver for Siemens devices
 
 system76_acpi:
  -  Guard System76 EC specific functionality
 
 think-lmi:
  -  Prevent underflow in index_store()
  -  Simplify tlmi_analyze() error handling a bit
  -  Move kobject_init() call into tlmi_create_auth()
  -  Opcode support
  -  Abort probe on analyze failure
 
 thinkpad_acpi:
  -  support inhibit-charge
  -  support force-discharge
  -  Add lid_logo_dot to the list of safe LEDs
  -  Add LED_RETAIN_AT_SHUTDOWN to led_class_devs
  -  Remove unused sensors_pdev_attrs_registered flag
  -  Fix the hwmon sysfs-attr showing up in the wrong place
  -  tpacpi_attr_group contains driver attributes not device attrs
  -  Register tpacpi_pdriver after subdriver init
  -  Restore missing hotkey_tablet_mode and hotkey_radio_sw sysfs-attr
  -  Fix thermal_temp_input_attr sorting
  -  Remove "goto err_exit" from hotkey_init()
  -  Properly indent code in tpacpi_dytc_profile_init()
  -  Cleanup dytc_profile_available
  -  Simplify dytc_version handling
  -  Make *_init() functions return -ENODEV instead of 1
  -  Accept ibm_init_struct.init() returning -ENODEV
  -  Convert platform driver to use dev_groups
  -  fix documentation for adaptive keyboard
  -  Fix WWAN device disabled issue after S3 deep
  -  Add support for dual fan control
 
 tools/power/x86/intel-speed-select:
  -  v1.11 release
  -  Update max frequency
 
 touchscreen_dmi:
  -  Remove the Glavey TM800A550L entry
  -  Enable pen support on the Chuwi Hi10 Plus and Pro
  -  Correct min/max values for Chuwi Hi10 Pro (CWI529) tablet
  -  Add TrekStor SurfTab duo W1 touchscreen info
 
 watchdog:
  -  simatic-ipc-wdt: add new driver for Siemens Industrial PCs
 
 wmi:
  -  Add no_notify_data flag to struct wmi_driver
  -  Fix driver->notify() vs ->probe() race
  -  Replace read_takes_no_args with a flags field
 
 x86-android-tablets:
  -  Fix GPIO lookup leak on error-exit
  -  Add TM800A550L data
  -  Add Asus MeMO Pad 7 ME176C data
  -  Add Asus TF103C data
  -  Add support for preloading modules
  -  Add support for registering GPIO lookup tables
  -  Add support for instantiating serdevs
  -  Add support for instantiating platform-devs
  -  Add support for PMIC interrupts
  -  Don't return -EPROBE_DEFER from a non probe() function
  -  New driver for x86 Android tablets
 
 x86/platform/uv:
  -  use default_groups in kobj_type
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Merge tag 'platform-drivers-x86-v5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86

Pull x86 platform driver updates from Hans de Goede:
 "Highlights:

  New drivers:
   - asus-tf103c-dock
   - intel_crystal_cove_charger
   - lenovo-yogabook-wmi
   - simatic-ipc platform-code + led driver + watchdog driver
   - x86-android-tablets (kernel module to workaround DSDT bugs on
     these)

  amd-pmc:
   - bug-fixes
   - smar trace buffer support

  asus-wmi:
   - support for custom fan curves

  int3472 (camera info ACPI object for Intel IPU3/SkyCam cameras):
   - ACPI core + int3472 changes to delay enumeration of camera sensor
     I2C clients until the PMIC for the sensor has been fully probed
   - Add support for board data (DSDT info is incomplete) for setting up
     the tps68470 PMIC used on some boards with these cameras
   - Add board data for the Microsoft Surface Go (original, v2 and v3)

  thinkpad_acpi:
   - various cleanups
   - support for forced battery discharging (for battery calibration)
   - support to inhibit battery charging
   - this includes power_supply core changes to add new APIs for this

  think_lmi:
   - enhanced BIOS password support

  various other small fixes and hardware-id additions"

* tag 'platform-drivers-x86-v5.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (78 commits)
  power: supply: Provide stubs for charge_behaviour helpers
  platform/x86: x86-android-tablets: Fix GPIO lookup leak on error-exit
  platform/x86: int3472: Add board data for Surface Go 3
  platform/x86: Add Asus TF103C dock driver
  platform/x86: x86-android-tablets: Add TM800A550L data
  platform/x86: x86-android-tablets: Add Asus MeMO Pad 7 ME176C data
  platform/x86: x86-android-tablets: Add Asus TF103C data
  platform/x86: x86-android-tablets: Add support for preloading modules
  platform/x86: x86-android-tablets: Add support for registering GPIO lookup tables
  platform/x86: x86-android-tablets: Add support for instantiating serdevs
  platform/x86: x86-android-tablets: Add support for instantiating platform-devs
  platform/x86: x86-android-tablets: Add support for PMIC interrupts
  platform/x86: x86-android-tablets: Don't return -EPROBE_DEFER from a non probe() function
  platform/x86: touchscreen_dmi: Remove the Glavey TM800A550L entry
  platform/x86: touchscreen_dmi: Enable pen support on the Chuwi Hi10 Plus and Pro
  platform/x86: touchscreen_dmi: Correct min/max values for Chuwi Hi10 Pro (CWI529) tablet
  platform/x86: Add intel_crystal_cove_charger driver
  power: supply: fix charge_behaviour attribute initialization
  platform/x86: intel-uncore-frequency: use default_groups in kobj_type
  x86/platform/uv: use default_groups in kobj_type
  ...
2022-01-11 11:26:57 -08:00