During call to "intel-speed-select turbo-freq info" some junk values are
reported for unsupported levels. Initialize the structure fact_info with
0s, so that isst_fact_display_information() will skip "0" values in the
frequency.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
When the die id is same as punit compute die ID, treat them same. In this
case, when for_each_online_power_domain_in_set() is called, then don't
loop for each punit in a die. Just loop for all punits in a package.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
TPMI platform information supports up to 16 compute dies. So increase the
range.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
There is request from the end user to print this field to better
query what type of update capability is supported on this platform.
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Turbostat assumed that every package had a die_id = 0.
When this assumption was violated, it exited
when looking for the package uncore frequency:
turbostat: /sys/.../intel_uncore_frequency/package_01_die_00/current_freq_khz: open failed: No such file or directory
Signed-off-by: Len Brown <len.brown@intel.com>
If sysfs directory "intel_uncore_frequency/cluster00/" exists,
then use uncore cluster code (now its own routine).
The previous check for
"intel_uncore_frequency/package_00_die_00/current_freq_khz",
could be unreliable in the face of sparse die id's.
Signed-off-by: Len Brown <len.brown@intel.com>
Kernel developers often need to diagnose remote customer systems
with the latest turbostat, yet customers are running binary distros
with out-dated turbostat and the customer has no experience
cloning linux kernel trees.
Add a turbostat "snapshot" makefile target to create a standalone
source snapshot from the developer's git tree, appropriately hacked
so that the customer can build turbostat without a kernel tree.
Include the turbostat binary in the snapshot, for convenience in
those situations where the source and destination are trusted,
(and have new enough glibc to execute).
The snapshot is named with the date it was taken rather than
the turbostat VERSION, as it could occur between VERSIONS...
Signed-off-by: Len Brown <len.brown@intel.com>
Use of the CPU MSR driver is now optional.
Perf is now preferred for many counters.
Non-root users can now execute turbostat, though with limited function.
Add counters for some new GFX hardware.
Minor fixes.
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Merge tag 'turbostat-2024.04.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull turbostat updates from Len Brown:
- Use of the CPU MSR driver is now optional
- Perf is now preferred for many counters
- Non-root users can now execute turbostat, though with limited
functionality
- Add counters for some new GFX hardware
- Minor fixes
* tag 'turbostat-2024.04.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (26 commits)
tools/power turbostat: v2024.04.10
tools/power/turbostat: Add support for Xe sysfs knobs
tools/power/turbostat: Add support for new i915 sysfs knobs
tools/power/turbostat: Introduce BIC_SAM_mc6/BIC_SAMMHz/BIC_SAMACTMHz
tools/power/turbostat: Fix uncore frequency file string
tools/power/turbostat: Unify graphics sysfs snapshots
tools/power/turbostat: Cache graphics sysfs path
tools/power/turbostat: Enable MSR_CORE_C1_RES support for ICX
tools/power turbostat: Add selftests
tools/power turbostat: read RAPL counters via perf
tools/power turbostat: Add proper re-initialization for perf file descriptors
tools/power turbostat: Clear added counters when in no-msr mode
tools/power turbostat: add early exits for permission checks
tools/power turbostat: detect and disable unavailable BICs at runtime
tools/power turbostat: Add reading aperf and mperf via perf API
tools/power turbostat: Add --no-perf option
tools/power turbostat: Add --no-msr option
tools/power turbostat: enhance -D (debug counter dump) output
tools/power turbostat: Fix warning upon failed /dev/cpu_dma_latency read
tools/power turbostat: Read base_hz and bclk from CPUID.16H if available
...
Much of turbostat can now run with perf, rather than using the MSR driver
Some of turbostat can now run as a regular non-root user.
Add some new output columns for some new GFX hardware.
[This patch updates the version, but otherwise changes no function;
it touches up some checkpatch issues from previous patches]
Signed-off-by: Len Brown <len.brown@intel.com>
Xe graphics driver uses different graphics sysfs knobs including
/sys/class/drm/card0/device/tile0/gt0/gtidle/idle_residency_ms
/sys/class/drm/card0/device/tile0/gt0/freq0/cur_freq
/sys/class/drm/card0/device/tile0/gt0/freq0/act_freq
/sys/class/drm/card0/device/tile0/gt1/gtidle/idle_residency_ms
/sys/class/drm/card0/device/tile0/gt1/freq0/cur_freq
/sys/class/drm/card0/device/tile0/gt1/freq0/act_freq
Plus that,
/sys/class/drm/card0/device/tile0/gt<n>/gtidle/name
returns either gt<n>-rc or gt<n>-mc. rc is for GFX and mc is SA Media.
Enhance turbostat to prefer the Xe sysfs knobs when they are available.
Export gt<n>-rc via BIC_GFX_rc6/BIC_GFXMHz/BIC_GFXACTMHz.
Export gt<n>-mc via BIC_SMA_mc6/BIC_SMAMHz/BIC_SMAACTMHz.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
On Meteorlake platform, i915 driver supports the traditional graphics
sysfs knobs including
/sys/class/drm/card0/power/rc6_residency_ms
/sys/class/drm/card0/gt_cur_freq_mhz
/sys/class/drm/card0/gt_act_freq_mhz
At the same time, it also supports
/sys/class/drm/card0/gt/gt0/rc6_residency_ms
/sys/class/drm/card0/gt/gt0/rps_cur_freq_mhz
/sys/class/drm/card0/gt/gt0/rps_act_freq_mhz
/sys/class/drm/card0/gt/gt1/rc6_residency_ms
/sys/class/drm/card0/gt/gt1/rps_cur_freq_mhz
/sys/class/drm/card0/gt/gt1/rps_act_freq_mhz
gt0 is for GFX and gt1 is for SA Media.
Enhance turbostat to prefer the i915 new sysfs knobs.
Export gt0 via BIC_GFX_rc6/BIC_GFXMHz/BIC_GFXACTMHz.
Export gt1 via BIC_SMA_mc6/BIC_SMAMHz/BIC_SMAACTMHz.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Graphics driver (i915/Xe) on mordern platforms splits GFX and SA Media
information via different sysfs knobs.
Existing BIC_GFX_rc6/BIC_GFXMHz/BIC_GFXACTMHz columns can be reused for
GFX.
Introduce BIC_SAM_mc6/BIC_SAMMHz/BIC_SAMACTMHz columns for SA Media.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Running turbostat on a 16 socket HPE Scale-up Compute 3200 (SapphireRapids) fails with:
turbostat: /sys/devices/system/cpu/intel_uncore_frequency/package_010_die_00/current_freq_khz: open failed: No such file or directory
We observe the sysfs uncore frequency directories named:
...
package_09_die_00/
package_10_die_00/
package_11_die_00/
...
package_15_die_00/
The culprit is an incorrect sprintf format string "package_0%d_die_0%d" used
with each instance of reading uncore frequency files. uncore-frequency-common.c
creates the sysfs directory with the format "package_%02d_die_%02d". Once the
package value reaches double digits, the formats diverge.
Change each instance of "package_0%d_die_0%d" to "package_%02d_die_%02d".
[lenb: deleted the probe part of this patch, as it was already fixed]
Signed-off-by: Justin Ernst <justin.ernst@hpe.com>
Reviewed-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
Graphics sysfs snapshots share similar logic.
Combine them into one function to avoid code duplication.
No functional change.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Graphics drivers (i915/Xe) have different sysfs knobs on different
platforms, and it is possible that different sysfs knobs fit into the
same turbostat columns.
Instead of specifying different sysfs knobs every time, detect them
once and cache the path for future use.
No functional change.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Some of the future Intel platforms will require reading the RAPL
counters via perf and not MSR. On current platforms we can still read
them using both ways.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
If user request --no-msr or is not able to access the MSRs,
turbostat should clear all the counters added with --add.
Because MSR access permission checks are done after the cmdline is
parsed, the decision has to be defered up until the transition into
no-msr mode happen.
Signed-off-by: Len Brown <len.brown@intel.com>
Checking early if the permissions are even needed gets rid of the
warnings about some of them missing. Earlier we issued a warning in case
of missing MSR and/or perf permissions, even when user never asked for
counters that require those.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
To allow unprivileged user to run turbostat seamlessly.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
By using the perf API we spend less time in between the reads of the
counters, resulting in more accurate calculations of the dependent
metrics.
Using perf API is also usually faster overall, although cache miss, if
we get one, is more costly when using perf vs MSR driver.
We would fallback to the msr reads if the sysfs isn't there or when in
--no-perf mode.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Add the --no-perf option to allow users to run turbostat without
accessing perf.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Add --no-msr option to allow users to run turbostat without
accessing MSRs via the MSR driver.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Eliminate redundant debug output for core and package scope counters.
Include name and path for all "ADDED" counters.
Signed-off-by: Len Brown <len.brown@intel.com>
Previously a failed read of /dev/cpu_dma_latency erroneously complained
turbostat: capget(CAP_SYS_ADMIN) failed, try "# setcap cap_sys_admin=ep ./turbostat
This went unnoticed because this file is typically visible to root,
and turbostat was typically run as root.
Going forward, when a non-root user can run turbostat...
Complain about failed read access to this file only if --debug is used.
Signed-off-by: Len Brown <len.brown@intel.com>
If MSRs cannot be read, values can be obtained from cpuid.
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This cpupower update for Linux 6.9-rc1 consists of a single fix
to a typo in cpupower-frequency-info.1 man page.
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Merge tag 'linux-cpupower-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux
Merge a cpupower utility documentation update for 6.9-rc1 from Shuah Khan:
"This cpupower update for Linux 6.9-rc1 consists of a single fix
to a typo in cpupower-frequency-info.1 man page."
* tag 'linux-cpupower-6.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux:
Fix cpupower-frequency-info.1 man page typo
cpupower-frequency-info.1 man page type is incorrect for
related-cpus. Fix it.
utils/cpufreq-info.c
{"related-cpus", no_argument, NULL, 'r'},
{"affected-cpus", no_argument, NULL, 'a'},
Fixed changelog before applying:
Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Jan Kratochvil <jan@jankratochvil.net>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
In function get_pkg_num() if fopen_or_die() succeeds it returns a file
pointer to be used. But fclose() is never called before returning from
the function.
Signed-off-by: Samasth Norway Ananda <samasth.norway.ananda@oracle.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Allow user to specify outside CFLAGS values as make argument
Corrects an issue where CFLAGS is passed as a make argument for
cpupower, but bench's makefile does not inherit and append to them.
Signed-off-by: Stanley Chan <schan@cloudflare.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
If the MSR read were to fail, turbostat would print "microcode 0x0"
Signed-off-by: Patryk Wlazlyn <patryk.wlazlyn@linux.intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Print current frequency along with the current (and initial) limits
Probe and print uncore config also for machines using the new cluster API
Signed-off-by: Len Brown <len.brown@intel.com>
turbostat prints the abnormal SYS%LPI across suspend-to-idle:
SYS%LPI = 114479815993277.50
This is reproduced by:
Run a freeze cycle, e.g. "sleepgraph -m freeze -rtcwake 15".
Then do a reboot. After boot up, launch the suspend-idle-idle
and check the SYS%LPI field.
The slp_so residence counter is in LPIT table, and BIOS does not
clears this register across reset. The PMC expects the OS to calculate
the LPI residency based on the delta. However, there is an firmware
issue that the LPIT gets cleared to 0 during the second suspend
to idle after the reboot, which brings negative delta value.
[lenb: updated to print "neg" upon this BIOS failure]
Reported-by: Todd Brandt <todd.e.brandt@intel.com>
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
The code calculates Bzy_MHz by multiplying TSC_delta * APERF_delta/MPERF_delta
The man page erroneously showed that TSC_delta was divided.
Signed-off-by: Peng Liu <liupeng17@lenovo.com>
Signed-off-by: Len Brown <len.brown@intel.com>
When running turbostat, a system with 512 cpus reaches the limit for
maximum number of file descriptors that can be opened. To solve this
problem, the limit is raised to 2^15, which is a large enough number.
Below data is collected from AMD server systems while running turbostat:
|-----------+-------------------------------|
| # of cpus | # of opened fds for turbostat |
|-----------+-------------------------------|
| 128 | 260 |
|-----------+-------------------------------|
| 192 | 388 |
|-----------+-------------------------------|
| 512 | 1028 |
|-----------+-------------------------------|
So, the new max limit would be sufficient up to 2^14 cpus (but this
also depends on how many counters are enabled).
Reviewed-by: Doug Smythies <dsmythies@telus.net>
Tested-by: Doug Smythies <dsmythies@telus.net>
Signed-off-by: Wyes Karny <wyes.karny@amd.com>
Signed-off-by: Len Brown <len.brown@intel.com>
The sleepgraph tool currently fails:
File "/usr/bin/sleepgraph", line 4155
or re.match('psci: CPU(?P<cpu>[0-9]*) killed.*', msg)):
^
SyntaxError: unmatched ')'
Fixes: 34ea427e01 ("PM: tools: sleepgraph: Recognize "CPU killed" messages")
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Merge tag 'turbostat-2023.11.07' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pull turbostat updates from Len Brown:
- Turbostat features are now table-driven (Rui Zhang)
- Add support for some new platforms (Sumeet Pawnikar, Rui Zhang)
- Gracefully run in configs when CPUs are limited (Rui Zhang, Srinivas
Pandruvada)
- misc minor fixes
[ This came in during the merge window, but sorting out the signed tag
took a while, so thus the late merge - Linus ]
* tag 'turbostat-2023.11.07' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (86 commits)
tools/power turbostat: version 2023.11.07
tools/power/turbostat: bugfix "--show IPC"
tools/power/turbostat: Add initial support for LunarLake
tools/power/turbostat: Add initial support for ArrowLake
tools/power/turbostat: Add initial support for GrandRidge
tools/power/turbostat: Add initial support for SierraForest
tools/power/turbostat: Add initial support for GraniteRapids
tools/power/turbostat: Add MSR_CORE_C1_RES support for spr_features
tools/power/turbostat: Move process to root cgroup
tools/power/turbostat: Handle cgroup v2 cpu limitation
tools/power/turbostat: Abstrct function for parsing cpu string
tools/power/turbostat: Handle offlined CPUs in cpu_subset
tools/power/turbostat: Obey allowed CPUs for system summary
tools/power/turbostat: Obey allowed CPUs for primary thread/core detection
tools/power/turbostat: Abstract several functions
tools/power/turbostat: Obey allowed CPUs during startup
tools/power/turbostat: Obey allowed CPUs when accessing CPU counters
tools/power/turbostat: Introduce cpu_allowed_set
tools/power/turbostat: Remove PC7/PC9 support on ADL/RPL
tools/power/turbostat: Enable MSR_CORE_C1_RES on recent Intel client platforms
...
Turbostat features are now table-driven (Rui Zhang)
Add support for some new platforms (Sumeet Pawnikar, Rui Zhang)
Gracefully run in configs when CPUs are limited (Rui Zhang, Srinivas Pandruvada)
misc minor fixes.
Signed-off-by: Len Brown <len.brown@intel.com>
turbostat --show IPC
displays "inf" for the IPC column
turbostat was missing the explicit dependency of IPC on APERF,
and thus neglected to collect APERF when only IPC was requested.
typcial use:
turbostat --quiet --show CPU,IPC
Signed-off-by: Len Brown <len.brown@intel.com>
Merge cpupower utility update for 6.7-rc1:
- Fix a reference to a removed document in the cpupower utility
documentation (Vegard Nossum).
* pm-tools:
cpupower: fix reference to nonexistent document
This cpupower update for Linux 6.7-rc1 consists of a single fix to
documentation to fix reference to a removed document.
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Merge tag 'linux-cpupower-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux
Merge cpupower utility update for 6.7-rc1 from Shuah Khan:
"This cpupower update for Linux 6.7-rc1 consists of a single fix to
documentation to fix reference to a removed document."
* tag 'linux-cpupower-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux:
cpupower: fix reference to nonexistent document
This kselftest update for Linux 6.7-rc1 consists of:
-- kbuild kselftest-merge target fixes
-- fixes to several tests
-- resctrl test fixes and enhancements
-- ksft_perror() helper and reporting improvements
-- printf attribute to kselftest prints to improve reporting
-- documentation and clang build warning fixes
Bulk of the patches are for resctrl fixes and enhancements.
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Merge tag 'linux_kselftest-next-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest
Pull kselftest updates from Shuah Khan:
- kbuild kselftest-merge target fixes
- fixes to several tests
- resctrl test fixes and enhancements
- ksft_perror() helper and reporting improvements
- printf attribute to kselftest prints to improve reporting
- documentation and clang build warning fixes
The bulk of the patches are for resctrl fixes and enhancements.
* tag 'linux_kselftest-next-6.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest: (51 commits)
selftests/resctrl: Fix MBM test failure when MBA unavailable
selftests/clone3: Report descriptive test names
selftests:modify the incorrect print format
selftests/efivarfs: create-read: fix a resource leak
selftests/ftrace: Add riscv support for kprobe arg tests
selftests/ftrace: add loongarch support for kprobe args char tests
selftests/amd-pstate: Added option to provide perf binary path
selftests/amd-pstate: Fix broken paths to run workloads in amd-pstate-ut
selftests/resctrl: Move run_benchmark() to a more fitting file
selftests/resctrl: Fix schemata write error check
selftests/resctrl: Reduce failures due to outliers in MBA/MBM tests
selftests/resctrl: Fix feature checks
selftests/resctrl: Refactor feature check to use resource and feature name
selftests/resctrl: Move _GNU_SOURCE define into Makefile
selftests/resctrl: Remove duplicate feature check from CMT test
selftests/resctrl: Extend signal handler coverage to unmount on receiving signal
selftests/resctrl: Fix uninitialized .sa_flags
selftests/resctrl: Cleanup benchmark argument parsing
selftests/resctrl: Remove ben_count variable
selftests/resctrl: Make benchmark command const and build it with pointers
...
Highlights:
- asus-wmi: Support for screenpad and solve brightness key
press duplication
- int3472: Eliminate the last use of deprecated GPIO functions
- mlxbf-pmc: New HW support
- msi-ec: Support new EC configurations
- thinkpad_acpi: Support reading aux MAC address during passthrough
- wmi: Fixes & improvements
- x86-android-tablets: Detection fix and avoid use of GPIO private APIs
- Debug & metrics interface improvements
- Miscellaneous cleanups / fixes / improvements
The following is an automated shortlog grouped by driver:
acer-wmi:
- Remove void function return
amd/hsmp:
- add support for metrics tbl
- create plat specific struct
- Fix iomem handling
- improve the error log
amd/pmc:
- Add dump_custom_stb module parameter
- Add PMFW command id to support S2D force flush
- Handle overflow cases where the num_samples range is higher
- Use flex array when calling amd_pmc_stb_debugfs_open_v2()
asus-wireless:
- Replace open coded acpi_match_acpi_device()
asus-wmi:
- add support for ASUS screenpad
- Do not report brightness up/down keys when also reported by acpi_video
gpiolib: acpi:
- Add a ignore interrupt quirk for Peaq C1010
- Check if a GPIO is listed in ignore_interrupt earlier
hp-bioscfg:
- Annotate struct bios_args with __counted_by
inspur-platform-profile:
- Add platform profile support
int3472:
- Add new skl_int3472_fill_gpiod_lookup() helper
- Add new skl_int3472_gpiod_get_from_temp_lookup() helper
- Stop using gpiod_toggle_active_low()
- Switch to devm_get_gpiod()
intel: bytcrc_pwrsrc:
- Convert to platform remove callback returning void
intel/ifs:
- Add new CPU support
- Add new error code
- ARRAY BIST for Sierra Forest
- Gen2 scan image loading
- Gen2 Scan test support
- Metadata validation for start_chunk
- Refactor image loading code
- Store IFS generation number
- Validate image size
intel_speed_select_if:
- Remove hardcoded map size
- Use devm_ioremap_resource
intel/tpmi:
- Add debugfs support for read/write blocked
- Add defines to get version information
intel-uncore-freq:
- Ignore minor version change
ISST:
- Allow level 0 to be not present
- Ignore minor version change
- Use fuse enabled mask instead of allowed levels
mellanox:
- Fix misspelling error in routine name
- Rename some init()/exit() functions for consistent naming
mlxbf-bootctl:
- Convert to platform remove callback returning void
mlxbf-pmc:
- Add support for BlueField-3
mlxbf-tmfifo:
- Convert to platform remove callback returning void
mlx-Convert to platform remove callback returning void:
- mlx-Convert to platform remove callback returning void
mlxreg-hotplug:
- Convert to platform remove callback returning void
mlxreg-io:
- Convert to platform remove callback returning void
mlxreg-lc:
- Convert to platform remove callback returning void
msi-ec:
- Add more EC configs
- rename fn_super_swap
nvsw-sn2201:
- Convert to platform remove callback returning void
sel3350-Convert to platform remove callback returning void:
- sel3350-Convert to platform remove callback returning void
siemens: simatic-ipc-batt-apollolake:
- Convert to platform remove callback returning void
siemens: simatic-ipc-batt:
- Convert to platform remove callback returning void
siemens: simatic-ipc-batt-elkhartlake:
- Convert to platform remove callback returning void
siemens: simatic-ipc-batt-f7188x:
- Convert to platform remove callback returning void
siemens: simatic-ipc-batt:
- Simplify simatic_ipc_batt_remove()
surface: acpi-notify:
- Convert to platform remove callback returning void
surface: aggregator:
- Annotate struct ssam_event with __counted_by
surface: aggregator-cdev:
- Convert to platform remove callback returning void
surface: aggregator-registry:
- Convert to platform remove callback returning void
surface: dtx:
- Convert to platform remove callback returning void
surface: gpe:
- Convert to platform remove callback returning void
surface: hotplug:
- Convert to platform remove callback returning void
surface: surface3-wmi:
- Convert to platform remove callback returning void
think-lmi:
- Add bulk save feature
- Replace kstrdup() + strreplace() with kstrdup_and_replace()
- Use strreplace() to replace a character by nul
thinkpad_acpi:
- Add battery quirk for Thinkpad X120e
- replace deprecated strncpy with memcpy
- sysfs interface to auxmac
tools/power/x86/intel-speed-select:
- Display error for core-power support
- Increase max CPUs in one request
- No TRL for non compute domains
- Sanitize integer arguments
- turbo-mode enable disable swapped
- Update help for TRL
- Use cgroup isolate for CPU 0
- v1.18 release
wmi:
- Decouple probe deferring from wmi_block_list
- Decouple WMI device removal from wmi_block_list
- Fix opening of char device
- Fix probe failure when failing to register WMI devices
- Fix refcounting of WMI devices in legacy functions
x86-android-tablets:
- Add a comment about x86_android_tablet_get_gpiod()
- Create a platform_device from module_init()
- Drop "linux,power-supply-name" from lenovo_yt3_bq25892_0_props[]
- Fix Lenovo Yoga Tablet 2 830F/L vs 1050F/L detection
- Remove invalid_aei_gpiochip from Peaq C1010
- Remove invalid_aei_gpiochip support
- Stop using gpiolib private APIs
- Use platform-device as gpio-keys parent
xo15-ebook:
- Replace open coded acpi_match_acpi_device()
Merges:
- Merge branch 'pdx86/platform-drivers-x86-int3472' into review-ilpo
- Merge branch 'pdx86/platform-drivers-x86-mellanox-init' into review-ilpo
- Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-ilpo
- Merge remote-tracking branch 'pdx86/platform-drivers-x86-android-tablets' into review-hans
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Merge tag 'platform-drivers-x86-v6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Ilpo Järvinen:
- asus-wmi: Support for screenpad and solve brightness key press
duplication
- int3472: Eliminate the last use of deprecated GPIO functions
- mlxbf-pmc: New HW support
- msi-ec: Support new EC configurations
- thinkpad_acpi: Support reading aux MAC address during passthrough
- wmi: Fixes & improvements
- x86-android-tablets: Detection fix and avoid use of GPIO private APIs
- Debug & metrics interface improvements
- Miscellaneous cleanups / fixes / improvements
* tag 'platform-drivers-x86-v6.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (80 commits)
platform/x86: inspur-platform-profile: Add platform profile support
platform/x86: thinkpad_acpi: Add battery quirk for Thinkpad X120e
platform/x86: wmi: Decouple WMI device removal from wmi_block_list
platform/x86: wmi: Fix opening of char device
platform/x86: wmi: Fix probe failure when failing to register WMI devices
platform/x86: wmi: Fix refcounting of WMI devices in legacy functions
platform/x86: wmi: Decouple probe deferring from wmi_block_list
platform/x86/amd/hsmp: Fix iomem handling
platform/x86: asus-wmi: Do not report brightness up/down keys when also reported by acpi_video
platform/x86: thinkpad_acpi: replace deprecated strncpy with memcpy
tools/power/x86/intel-speed-select: v1.18 release
tools/power/x86/intel-speed-select: Use cgroup isolate for CPU 0
tools/power/x86/intel-speed-select: Increase max CPUs in one request
tools/power/x86/intel-speed-select: Display error for core-power support
tools/power/x86/intel-speed-select: No TRL for non compute domains
tools/power/x86/intel-speed-select: turbo-mode enable disable swapped
tools/power/x86/intel-speed-select: Update help for TRL
tools/power/x86/intel-speed-select: Sanitize integer arguments
platform/x86: acer-wmi: Remove void function return
platform/x86/amd/pmc: Add dump_custom_stb module parameter
...
This file was renamed from .txt to .rst and left a dangling reference.
Fix it.
Fixes: 151f4e2bdc ("docs: power: convert docs to ReST and rename to *.rst")
Cc: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Srivatsa S. Bhat (VMware) <srivatsa@csail.mit.edu>
Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Len Brown <len.brown@intel.com>
Signed-off-by: Vegard Nossum <vegard.nossum@oracle.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Add initial support for GrandRidge.
It shares the same features as SierraForest, except that it does not
support PC2/PC6.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Add initial support for SierraForest.
It shares the same features with SapphireRapids, except that it has
MSR_MODULE_C6_RES_MS support.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Add MSR_CORE_C1_RES support for spr_features because both Sapphirerapids
and Emeraldrapids support this MSR.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
When available CPUs are reduced via cgroup cpuset controller, turbostat
will exit with errors (For example):
get_counters: Could not migrate to CPU 0
turbostat: re-initialized with num_cpus 20
get_counters: Could not migrate to CPU 0
turbostat: re-initialized with num_cpus 20
Move the turbostat to root cgroup, which has every CPU.
Writing the value 0 to a cgroup.procs file causes the writing
process to be moved to the corresponding cgroup.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Tested-by: Zhang Rui <rui.zhang@intel.com>
CPUs can be isolated via cgroup settings and turbostat should avoid
migrating to these CPUs, just like it does for the '-c' cpus.
Introduce cpu_effective_set to save the cgroup cpu limitation info from
/sys/fs/cgroup/cpuset.cpus.effective. And use cpu_allowed_set as the
intersection of cpu_present_set, cpu_effective_set and cpu_subset.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Abstract parse_cpu_str() which can update any specified cpu_set by a
given cpu string. This can be used to handle further CPU limitations
from other sources like cgroup.
The cpu string parsing code is also enhanced to handle the strings that
have an extra '\n' before string terminator.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
It is possible that the cpu_subset contains offlined CPUs.
If this happens during start, exit immediately because this is likely an
operator error that is best fixed by re-invoking.
If this happens at runtime, give a warning only because turbostat should
do its best effort to continue running.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
System summary should summarize the information for allowed CPUs instead
of all the present CPUs.
Introduce topology information for allowed CPUs, and use them to
get system summary.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Thread_id doesn't tell if a CPU is allowed or not.
Detect allowed CPUs only and use the first detected thread/core as the
primary thread/core of a core/package.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
When detecting the primary thread/core in a core/package, current code
doesn't handle the allowed CPUs.
Abstract several functions for further fix of this issue.
No functional change.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Set turbostat CPU affinity to make sure turbostat is running on one of
the allowed CPUs.
Set base_cpu to the first allowed CPU so that some platform information
is dumped using one of the allowed CPUs.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
for_all_cpus/for_all_cpus_2 are used for accessing the per CPU counters,
and they should follow the cpu_allowed_set instead of cpu_present_set.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Turbostat supports "-c" parameter which limits output to system summary
plus the specified cpu-set. But some code still uses cpu_present_set to
read and dump the counters.
Introduce cpu_allowed_set for code that should obey the specified cpu-set.
No functional change.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
This version addresses issues with:
- When CPU 0 hotplug is not possible, try cgroup v2 isolation
without any user input
- Fix turbo mode enable/disable swapped
- Sanitize command line integer and hex arguments
- Add more error messages
- Increase CPU count in one request
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
From kernel version 6.5, CPU 0 hotplug capability is deprecated.
If some SST profile doesn't have CPU 0, then it is no longer possible to
offline CPU 0. This means that user space threads will still run on
CPU 0.
To workaround this issue, use cgroup v2 isolation feature. Whenever there
/sys/devices/system/cpu/cpu0/online file is absent or open fails, isolate
CPU 0 via CPU cgroup v2 isolation. Also add a command line option to
force even if the /sys/devices/system/cpu/cpu0/online is present.
The previous commit "01bcb56f059e ("tools/power/x86/intel-speed-select:
Prevent CPU 0 offline") was just warning about this issue based on the
kernel version 6.5 and above. With this new approach, instead of warning
take action to mitigate the issue.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
With the increase in the CPU count, this count needs to be updated.
Increase max CPU count to 512.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
When core-power is getting enabled, if the feaure is not supported,
display error.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
The command for turbo-mode enable and disable is swapped. Fix that.
Previously turbo-mode enable was actually disabling and disable was
enabling.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
TRL (turbo ratio limit) argument is passed in hex string. Clarify that
in the help.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
If the command takes some integer arguments, make sure the command
contains only digits. Same for Hex arguments. Otherwise return error.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
In selftests/amd-pstate, tbench and gitsource microbenchmarks are
used to compare the performance with different governors. In current
implementation the relative path to run `amd_pstate_tracer.py` is broken.
Fix this by using absolute paths.
Signed-off-by: Swapnil Sapkal <swapnil.sapkal@amd.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Compared with other platforms that share cnl_features, ADL/RPL don't
have PC7/PC9.
Clone a new platform feature set from cnl_features for ADL/RPL, with
PC7/PC9 removed.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
All recent Intel client platforms have MSR_CORE_C1_RES. Enable the
support on these platforms, including CNL/ICL/LKF/RKL/TGL/ADL/RPL/MTL.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Feature probe has nothing to do with CPUID, thus it should not be in
process_cpuids().
Introduce probe_pm_features() and move all feature probing functions
into it.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Relocate more feature probing code outside of process_cpuids() into the
corresponding probing functions.
This improves the readability of code and the turbostat output.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Reorder some functions to solve code depdency introduced by next patch.
No functional change.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Introduce probe_thermal(), and move all thermal probing related code
into it.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Introduce probe_lpi(), and move all lpi probing related code into it.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Introduce probe_graphics(), and move all graphics probing related code
into it.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Rename rapl_probe() to probe_rapl() to be consistent with other probing
function names.
Probe rapl after probing uncore frequency.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Rename intel_uncore_frequency_probe() to probe_intel_uncore_frequency()
to be consistent with other probing function names.
Probe uncore frequency right after probing cstates.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Introduce probe_pstates() and move all pstate probing related code into
it.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Move all cstate probing related code into probe_cstates().
Note that dump_platform_info() actually dumps both MSR_PLATFORM_INFO and
MSR_IA32_POWER_CTL. MSR_PLATFORM_INFO is for pstate and
MSR_IA32_POWER_CTL is for cstate. So split dump_platform_info() and dump
MSR_IA32_POWER_CTL in probe_cstates().
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
AMD/Hygon platforms that don't have RAPL use 'amd_features' to describe
the platform features. Unknown Intel platforms use 'default_features' to
describe the platform features.
As none of the platform feature is set for 'amd_features' or
'default_features', there is no need to maintain both of them.
Remove 'amd_features' structure and improve the logic in
probe_platform_features().
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Now CPU model checks have been cleaned up, no code depends on the
duplicated CPU model value.
Delete intel_model_duplicates().
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Abstract cstate prewake bit support.
Delete is_icx()/is_spr() CPU model checks.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Abstract aperf/mperf multiplier support.
Delete is_knl() CPU model check.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Abstract the support for MSR_PKG_WEIGHTED_CORE_C0_RES,
MSR_PKG_ANY_CORE_C0_RES, MSR_PKG_ANY_GFXE_C0_RES and
MSR_PKG_BOTH_CORE_GFXE_C0_RES.
Delete has_skl_msrs() CPU model check.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Abstract the support for MSR_ATOM_PKG_C6_RESIDENCY.
Delete is_slm() CPU model check.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Abstract the support for MSR_CC6/MC6_DEMOTION_POLICY_CONFIG.
Delete has_slv_msrs() CPU model check.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Abstract the support for MSR_CORE_C1_RES.
Delete is_dnv() CPU model check.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Abstract the support for MSR_PKGC3/PKGC6/PKGC7/PKGC8/PKGC9/PKGC10_IRTL.
Delete has_snb_msrs() CPU model check.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
It is pointless to dump the IRTL register for a package cstate that is
not supported by the platform.
Print IRTL only for states that are available in
platform->supported_cstates.
Delete has_c8910_msrs() CPU model check.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Disable CC3 for is_slm()/is_knl()/is_cnl()/is_ehl() models.
Delete is_cnl()/is_ehl() CPU model checks.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Disable CC7/PC7 for is_bdx() models.
Delete is_bdx() CPU model check.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Disable CC3/CC7/PC3/PC7 for is_skx()/is_icx()/is_spr() models.
Delete is_skx() CPU model check.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Enable CC1 and disable CC3/CC7/PC3/PC7 for is_dnv() models.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Disable CC3/CC7/PC2/PC3/PC6/PC7 for is_jvl() models.
Delete is_jvl() CPU model check.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Disable PC2/PC3/PC7 and enable PC6 for has_slv_msrs() models.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Enable PC3/PC6 for platforms with .cst_limit set because package cstates
are guarded by pkg_cstate_limit.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Add skeleton support for cstate enumeration.
Note that the previous logic may override the cstate setting for
multiple times for different reasons. The conversion to new cstate
enumeration must be done step by step following the previous code
order strictly.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
On some models, the CPU base frequency is different from the TSC
frequency, and the aperf/mperf counters are running at CPU base
frequency instead of TSC frequency.
Abstract support for TSC tweak.
Given that tsc_tweak depends on base_hz, move the code to probe_bclk()
after base_hz is available.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
RAPL probing can be done without family/model checking. Remove these
parameters in rapl probe functions.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Different hardcoded TDP values are used when TDP can not be retrieved
from the hardware.
Abstract hardcoded TDP value.
Delete CPU model checks in get_tdp_intel().
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Abstract the support for fixed Dram domain energy unit.
Delete rapl_dram_energy_units_probe() CPU model check.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
INTEL_FAM6_ATOM_SILVERMONT model needs a divisor to convert the raw
Energy Units value from MSR_RAPL_POWER_UNIT.
Abstract the support for RAPL divisor.
Delete CPU model check in rapl_probe_intel().
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Abstract the support for RAPL MSRs.
Delete CPU model checks in rapl_probe_intel().
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
The support for each RAPL domains, as well as the support for the perf
status of each RAPL domains, can be detected by checking the
availabilities of the corresponding RAPL MSRs.
Change the code accordingly and remove the hardcoded logic for each
model.
Note that this also fixes the INTEL_FAM6_ATOM_TREMONT model, which has
RAPL_PKG_PERF_STATUS and MSR_DRAM_PERF_STATUS but doesn't have BIC_PKG__
and BIC_RAM__ set.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Abstract the support for hardcoded Crystal Clock frequency, which is
used when crystal clock is not available from CPUID.15.
Delete CPU model checks in process_cpuid().
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Abstract the support for AUTOMATIC_CSTATE_CONVERSION bit in
MSR_PKG_CST_CONFIG_CONTROL.
Delete automatic_cstate_conversion_probe() CPU model check.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Abstract the support for MSR_CORE/GFX/RING_PERF_LIMIT_REASONS MSRs.
Delete perf_limit_reasons_probe() CPU model check.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Abstract the support for different TCC Offset bits in
MSR_IA32_TEMPERATURE_TARGET.
Delete check_tcc_offset() CPU model check.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Abstract the support for MSR_CONFIG_TDP_NOMINAL/LEVEL_1/LEVEL_2/CONTROL
and MSR_TURBO_ACTIVATION_RATIO.
Delete has_config_tdp() CPU model check.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Rename dump_hsw_turbo_ratio_limits() and dump_ivt_turbo_ratio_limits()
to dump_turbo_ratio_limit2() and dump_turbo_ratio_limit1() because they
dump MSR_TURBO_RATIO_LIMIT1/LIMIT2, and the MSRs' behavior is
consistent when they are available.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Abstract the support for MSR_TURBO_RATIO_LIMIT, MSR_TRUBO_RATIO_LIMIT1,
MSR_TURBO_RATIO_LIMIT2, MSR_SECONDARY_TURBO_RATIO_LIMIT,
MSR_ATOM_CORE_RATIOS and MSR_ATOM_CORE_TURBO_RATIOS.
Delete has_turbo_ratio_group_limits(), has_turbo_ratio_limit(),
has_atom_turbo_ratio_limit(), has_ivt_turbo_ratio_limit(),
has_hsw_turbo_ratio_limit(), has_knl_turbo_ratio_limit() and
has_glm_turbo_ratio_limit() CPU model checks.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Rename dump_nhm_platform_info() and dump_nhm_cst_cfg() to
dump_platform_info() and dump_cst_cfg() because these MSRs' behavior is
consistent when they're available.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Platforms with has_msr_misc_pwr_mgmt set is a subset of platforms with
has_nhm_msrs set.
Thus remove the redudant check for platform->has_nhm_msrs.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
MSR_PLATFORM_INFO, MSR_IA32_TEMPERATURE_TARGET, MSR_SMI_COUNT,
MSR_PKG_CST_CONFIG_CONTROL, and the TRL MSRs are always available for
platforms since Nehalem. Support for these msrs can be described
altogether.
Abstract the support for these MSRs.
Delete probe_nhm_msrs() CPU model check.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Abstract the support for decoding package cstate limit from
MSR_PKG_CST_CONFIG_CONTROL.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Abstract CPU base clock frequency support.
Note that bclk is used by
1. calculate base_hz using MSR_PLATFORM_INFO, which is guarded by
probe_nhm_msrs().
2. dump MSR_PLATFORM_INFO and Turbo Ratio Limit MSRs, which are also
guarded by probe_nhm_msrs().
Thus probe_bclk() works for probe_nhm_msrs() models only.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Turbostat supports a series of features that may diverge among different
CPU models.
Current code uses various of CPU model checks in different places to
handle this, which makes the code hard to maintain.
Add skeleton support for table driven feature enumeration to replace the
current error-prone CPU model checks and global variables.
Note: by comparing the CPU models with intel-family.h, it is found that
turbostat support for below four Models are missing, including
INTEL_FAM6_ICELAKE, INTEL_FAM6_ATOM_SILVERMONT_MID,
INTEL_FAM6_ATOM_AIRMONT_MID and INTEL_FAM6_ATOM_AIRMONT_NP. Adding
support for these models is a different work, thus it is not covered in
this patch set.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
INTEL_FAM6_ATOM_SILVERMONT_MID/INTEL_FAM6_ATOM_AIRMONT_MID are not
listed in probe_nhm_msrs(). This means that most of the turbostat
features are not available on these two platforms.
Further more, checking for these two models in has_slv_msrs() is
dead code. Because has_slv_msrs() is called by the code guarded by
probe_nhm_msrs().
For these two reasons, remove pseudo check for
INTEL_FAM6_ATOM_SILVERMONT_MID and INTEL_FAM6_ATOM_AIRMONT_MID.
Will add back the support when we can access these two platforms.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Kernel already has
#define INTEL_FAM6_NEHALEM_G 0x1F /* Auburndale / Havendale */
Use standard Macro for CPU Model instead of raw value.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
/sys/class/graphics/fb0/device/drm/card0/ and /sys/class/drm/card0/
point to the same device node.
But in some cases, one exists and the other one does not.
Prefer to use /sys/class/drm/card0/, and fall back to
/sys/class/graphics/fb0/device/drm/card0/.
This recovers the "GFXMHz" and "GFXAMHz" columns on some platforms like
a SPR server.
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
All Models that duplicate INTEL_FAM6_CANNONLAKE_L support TCC Offset.
Enable this feature on all these models.
Delete obsolete model_orig.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Currently the C-state Pre-wake will not be printed due to the
probe has not been invoked. Invoke the probe function accordingly.
Fixes: aeb01e6d71 ("tools/power turbostat: Print the C-state Pre-wake settings")
Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Reviewed-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
MSR_KNL_CORE_C6_RESIDENCY should be evaluated only if
1. this is KNL platform
AND
2. need to get C6 residency or need to calculate C1 residency
Fix the broken logic introduced by commit 1e9042b9c8 ("tools/power
turbostat: Fix CPU%C1 display value").
Fixes: 1e9042b9c8 ("tools/power turbostat: Fix CPU%C1 display value")
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
On some platforms, turbostat fails during launch time like below,
turbostat version 2023.03.17 - Len Brown <lenb@kernel.org>
...
cpu40: MSR_IA32_PACKAGE_THERM_STATUS: 0x884c0000 (24 C)
cpu40: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x00000003 (100 C, 100 C)
turbostat: snapshot_sysfs_counter(/sys/devices/system/cpu/intel_uncore_frequency/package_00_die_00/current_freq_khz): No data available
This is because new uncore sysfs is used on these platforms as
introduced by commit 9b8dea80e3 ("platform/x86/intel-uncore-freq:
Support for cluster level controls").
With the new uncore sysfs interface,
/sys/devices/system/cpu/intel_uncore_frequency/package_00_die_00/current_freq_khz
is still available, but reading it fails.
How to support the fabric cluster level uncore sysfs is not settled yet,
as a short term fix, clear the BIC_UNCORE_MHZ bit when new sysfs I/F is
detected.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Change the minimum python version from 2.7 to 3.6.
Remove a 2.X backwards compatibility line.
Signed-off-by: Doug Smythies <dsmythies@telus.net>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Reviewed-by: Mario Limonciello <mario.limonciello@amd.com>
Tested-by: Swapnil Sapkal <Swapnil.Sapkal@amd.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- Add Georgian translation to Makefile LANGUAGES in cpupower (Shuah
Khan).
- Add support for per-policy performance boost to cpufreq (Jie Zhan).
- Fix assorted issues in the cpufreq core, common governor code and in
the pcc cpufreq driver (Liao Chang).
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Merge tag 'pm-6.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more power management updates from Rafael Wysocki:
"These fix cpufreq core and the pcc cpufreq driver, add per-policy
boost support to cpufreq and add Georgian translation Makefile
LANGUAGES in cpupower.
Specifics:
- Add Georgian translation to Makefile LANGUAGES in cpupower (Shuah
Khan).
- Add support for per-policy performance boost to cpufreq (Jie Zhan).
- Fix assorted issues in the cpufreq core, common governor code and
in the pcc cpufreq driver (Liao Chang)"
* tag 'pm-6.6-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
cpufreq: Support per-policy performance boost
cpufreq: pcc: Fix the potentinal scheduling delays in target_index()
cpufreq: governor: Free dbs_data directly when gov->init() fails
cpufreq: Fix the race condition while updating the transition_task of policy
cpufreq: Avoid printing kernel addresses in cpufreq_resume()
cpupower: Add Georgian translation to Makefile LANGUAGES
Highlights:
- hp-bioscfg: New firmware-attributes driver for changing BIOS settings
from within Linux
- asus-wmi: Add charger mode, middle fan and eGPU settings support
- ideapad: Support keyboard backlight control on more models
- mellanox: Support for new models
- sel-3350: New LED and power-supply driver for this industrial mainboard
- simatic-ipc: Add RTC battery monitor and various new models support
- Miscellaneous other cleanups / fixes
The following is an automated git shortlog grouped by driver:
Add SEL-3350 platform driver:
- Add SEL-3350 platform driver
Documentation/ABI:
- Add new attribute for mlxreg-io sysfs interfaces
MAINTAINERS:
- Add entries for Siemens IPC modules
Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans:
- Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-hans
Merge remote-tracking branch 'pdx86/fixes' into pdx86/for-next:
- Merge remote-tracking branch 'pdx86/fixes' into pdx86/for-next
Merge remote-tracking branch 'pdx86/platform-drivers-x86-simatic-ipc' into review-hans:
- Merge remote-tracking branch 'pdx86/platform-drivers-x86-simatic-ipc' into review-hans
Merge tag 'ib-pdx86-simatic-v6.6' into review-hans:
- Merge tag 'ib-pdx86-simatic-v6.6' into review-hans
Merge tag 'ib-pdx86-simatic-v6.6-2' into review-hans:
- Merge tag 'ib-pdx86-simatic-v6.6-2' into review-hans
Move all simatic ipc drivers to the subdirectory siemens:
- Move all simatic ipc drivers to the subdirectory siemens
asus-wmi:
- corrections to egpu safety check
- Fix support for showing middle fan RPM
- expose dGPU and CPU tunables for ROG
- support setting mini-LED mode
- add safety checks to gpu switching
- don't allow eGPU switching if eGPU not connected
- add WMI method to show if egpu connected
- support middle fan custom curves
- add support for showing middle fan RPM
- add support for showing charger mode
dell-sysman:
- Fix reference leak
doc:
- TPMI: Add debugfs documentation
hp-bioscfg:
- Update steps order list elements are evaluated
- Use kmemdup() to replace kmalloc + memcpy
- Remove duplicate use of variable in inner loop
- Change how password encoding size is evaluated
- Change how enum possible values size is evaluated
- Change how order list size is evaluated
- Change how prerequisites size is evaluated
- Replace the word HACK from source code
- Fix uninitialized variable errors
- Fix memory leaks in attribute packages
- fix error reporting in hp_add_other_attributes()
- prevent a small buffer overflow
- fix a signedness bug in hp_wmi_perform_query()
- MAINTAINERS
- Makefile
- surestart-attributes
- string-attributes
- spmobj-attributes
- passwdobj-attributes
- order-list-attributes
- int-attributes
- enum-attributes
- biosattr-interface
- bioscfg
- bioscfg-h
- Documentation
ideapad-laptop:
- Add support for keyboard backlights using KBLC ACPI symbol
leds:
- simatic-ipc-leds: default config switch to platform switch
mlx-platform:
- Add dependency on PCI to Kconfig
mlxbf-bootctl:
- Support sysfs entries for MFG fields
- Support setting the ARM boot state to "OS up"
- Support the large icmc write/read
p2sb:
- Make the Kconfig symbol hidden
platform:
- mellanox: nvsw-sn2201: change fans i2c busses.
- mellanox: mlxreg-hotplug: Extend condition for notification callback processing
- mellanox: Add initial support for PCIe based programming logic device
- mellanox: mlx-platform: Get interrupt line through ACPI
- mellanox: mlx-platform: Introduce ACPI init flow
- mellanox: mlx-platform: Prepare driver to allow probing through ACPI infrastructure
- mellanox: mlx-platform: Add reset callback
- mellanox: Cosmetic changes
- mellanox: mlx-platform: Modify power off callback
- mellanox: mlx-platform: add support for additional CPLD
- mellanox: mlx-platform: Add reset cause attribute
- mellanox: mlx-platform: Modify health and power hotplug action
- mellanox: Modify reset causes description
- mellanox: Add field upgrade capability register
- mellanox: Add new attributes
- Explicitly include correct DT includes
platform/x86/amd/pmc:
- Fix build error with randconfig
- Move PMC driver to separate directory
platform/x86/amd/pmf:
- Fix a missing cleanup path
- Use str_on_off() helper
platform/x86/intel/tpmi:
- Add debugfs interface
- Read feature control status
platform/x86/siemens:
- simatic-ipc-batt: fix logical error for BX-59A
- simatic-ipc: fix logical error for BX-59A
- simatic-ipc-batt: fix wrong pointer pass to PTR_ERR()
- simatic-ipc-batt: add support for module BX-59A
- simatic-ipc: add new models BX-56A/BX-59A
- Kconfig: adjust help text
- simatic-ipc-batt: fix bat reading in BX_21A
simatic-ipc:
- use extra module loading for watchdog
- add auto-loading of hwmon modules
- add another model
- drop PCI runtime depends and header
- add CMOS battery monitoring
- add another model BX-21A
system76:
- Handle new KBLED ACPI methods
thinkpad_acpi:
- Switch to memdup_user_nul() helper
- use lockdep annotations
- take mutex for hotkey_mask_{set,get}
tools/power/x86/intel-speed-select:
- v1.17 release
- Change mem-frequency display name
- Prevent CPU 0 offline
- Error on CPU count exceed in request
- Support more than 8 sockets.
- Fix CPU count display
watchdog:
- simatic: Use idiomatic selection of P2SB
- simatic: add PCI dependency
- make Siemens Simatic watchdog driver default on platform
- simatic-ipc-wdt: make IO region access of one model muxed
wmi-bmof:
- Update MAINTAINERS entry
- Simplify read_bmof()
- Use device_create_bin_file()
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Merge tag 'platform-drivers-x86-v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Hans de Goede:
- hp-bioscfg: New firmware-attributes driver for changing BIOS settings
from within Linux
- asus-wmi: Add charger mode, middle fan and eGPU settings support
- ideapad: Support keyboard backlight control on more models
- mellanox: Support for new models
- sel-3350: New LED and power-supply driver for this industrial
mainboard
- simatic-ipc: Add RTC battery monitor and various new models support
- miscellaneous other cleanups / fixes
* tag 'platform-drivers-x86-v6.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (101 commits)
platform/x86: asus-wmi: corrections to egpu safety check
platform/x86: mlx-platform: Add dependency on PCI to Kconfig
platform/x86: ideapad-laptop: Add support for keyboard backlights using KBLC ACPI symbol
platform/x86/amd/pmc: Fix build error with randconfig
platform/x86/amd/pmf: Fix a missing cleanup path
watchdog: simatic: Use idiomatic selection of P2SB
platform/x86: p2sb: Make the Kconfig symbol hidden
Documentation/ABI: Add new attribute for mlxreg-io sysfs interfaces
platform: mellanox: nvsw-sn2201: change fans i2c busses.
platform: mellanox: mlxreg-hotplug: Extend condition for notification callback processing
platform: mellanox: Add initial support for PCIe based programming logic device
platform: mellanox: mlx-platform: Get interrupt line through ACPI
platform: mellanox: mlx-platform: Introduce ACPI init flow
platform: mellanox: mlx-platform: Prepare driver to allow probing through ACPI infrastructure
platform: mellanox: mlx-platform: Add reset callback
platform: mellanox: Cosmetic changes
platform: mellanox: mlx-platform: Modify power off callback
platform: mellanox: mlx-platform: add support for additional CPLD
platform: mellanox: mlx-platform: Add reset cause attribute
platform: mellanox: mlx-platform: Modify health and power hotplug action
...
This cpupower update for Linux 6.6-rc2 consists of a single fix to
add Georgian translation to Makefile LANGUAGES.
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Merge tag 'linux-cpupower-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux
Merge additional cpupower utility update for 6.6 from Shuah Khan:
"This cpupower update [...] consists of a single fix to add Georgian
translation to Makefile LANGUAGES."
* tag 'linux-cpupower-6.6-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux:
cpupower: Add Georgian translation to Makefile LANGUAGES
- Rework the menu and teo cpuidle governors to avoid calling
tick_nohz_get_sleep_length(), which is likely to become quite
expensive going forward, too often and improve making decisions
regarding whether or not to stop the scheduler tick in the teo
governor (Rafael Wysocki).
- Improve the performance of cpufreq_stats_create_table() in some
cases (Liao Chang).
- Fix two issues in the amd-pstate-ut cpufreq driver (Swapnil Sapkal).
- Use clamp() helper macro to improve the code readability in
cpufreq_verify_within_limits() (Liao Chang).
- Set stale CPU frequency to minimum in intel_pstate (Doug Smythies).
- Migrate cpufreq drivers for various platforms to use void remove
callback (Yangtao Li).
- Add online/offline/exit hooks for Tegra driver (Sumit Gupta).
- Explicitly include correct DT includes in cpufreq (Rob Herring).
- Frequency domain updates for qcom-hw driver (Neil Armstrong).
- Modify AMD pstate driver return the highest_perf value (Meng Li).
- Generic cleanups for cppc, mediatek and powernow driver (Liao Chang,
Konrad Dybcio).
- Add more platforms to cpufreq-arm driver's blocklist (AngeloGioacchino
Del Regno and Konrad Dybcio).
- brcmstb-avs-cpufreq: Fix -Warray-bounds bug (Gustavo A. R. Silva).
- Add device PM helpers to allow a device to remain powered-on during
system-wide transitions (Ulf Hansson).
- Rework hibernation memory snapshotting to avoid storing pages filled
with zeros in hibernation image files (Brian Geffon).
- Add check to make sure that CPU latency QoS constraints do not use
negative values (Clive Lin).
- Optimize rp->domains memory allocation in the Intel RAPL power
capping driver (xiongxin).
- Remove recursion while parsing zones in the arm_scmi power capping
driver (Cristian Marussi).
- Fix memory leak in devfreq_dev_release() (Boris Brezillon).
- Rewrite devfreq_monitor_start() kerneldoc comment (Manivannan
Sadhasivam).
- Explicitly include correct DT includes in devfreq (Rob Herring).
- Remove unsued pm_runtime_update_max_time_suspended() extern
declaration (YueHaibing).
- Add turbo-boost support to cpupower (Wyes Karny).
- Add support for amd_pstate mode change to cpupower (Wyes Karny).
- Fix 'cpupower idle_set' command to accept only numeric values of
arguments (Likhitha Korrapati).
- Clean up OPP code and add new frequency related APIs to it (Viresh
Kumar, Manivannan Sadhasivam).
- Convert ti cpufreq/opp bindings to json schema (Nishanth Menon).
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Merge tag 'pm-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These rework cpuidle governors to call tick_nohz_get_sleep_length()
less often and fix one of them, rework hibernation to avoid storing
pages filled with zeros in hibernation images, switch over some
cpufreq drivers to use void remove callbacks, fix and clean up
multiple cpufreq drivers, fix the devfreq core, update the cpupower
utility and make other assorted improvements.
Specifics:
- Rework the menu and teo cpuidle governors to avoid calling
tick_nohz_get_sleep_length(), which is likely to become quite
expensive going forward, too often and improve making decisions
regarding whether or not to stop the scheduler tick in the teo
governor (Rafael Wysocki)
- Improve the performance of cpufreq_stats_create_table() in some
cases (Liao Chang)
- Fix two issues in the amd-pstate-ut cpufreq driver (Swapnil Sapkal)
- Use clamp() helper macro to improve the code readability in
cpufreq_verify_within_limits() (Liao Chang)
- Set stale CPU frequency to minimum in intel_pstate (Doug Smythies)
- Migrate cpufreq drivers for various platforms to use void remove
callback (Yangtao Li)
- Add online/offline/exit hooks for Tegra driver (Sumit Gupta)
- Explicitly include correct DT includes in cpufreq (Rob Herring)
- Frequency domain updates for qcom-hw driver (Neil Armstrong)
- Modify AMD pstate driver return the highest_perf value (Meng Li)
- Generic cleanups for cppc, mediatek and powernow driver (Liao
Chang, Konrad Dybcio)
- Add more platforms to cpufreq-arm driver's blocklist
(AngeloGioacchino Del Regno and Konrad Dybcio)
- brcmstb-avs-cpufreq: Fix -Warray-bounds bug (Gustavo A. R. Silva)
- Add device PM helpers to allow a device to remain powered-on during
system-wide transitions (Ulf Hansson)
- Rework hibernation memory snapshotting to avoid storing pages
filled with zeros in hibernation image files (Brian Geffon)
- Add check to make sure that CPU latency QoS constraints do not use
negative values (Clive Lin)
- Optimize rp->domains memory allocation in the Intel RAPL power
capping driver (xiongxin)
- Remove recursion while parsing zones in the arm_scmi power capping
driver (Cristian Marussi)
- Fix memory leak in devfreq_dev_release() (Boris Brezillon)
- Rewrite devfreq_monitor_start() kerneldoc comment (Manivannan
Sadhasivam)
- Explicitly include correct DT includes in devfreq (Rob Herring)
- Remove unsued pm_runtime_update_max_time_suspended() extern
declaration (YueHaibing)
- Add turbo-boost support to cpupower (Wyes Karny)
- Add support for amd_pstate mode change to cpupower (Wyes Karny)
- Fix 'cpupower idle_set' command to accept only numeric values of
arguments (Likhitha Korrapati)
- Clean up OPP code and add new frequency related APIs to it (Viresh
Kumar, Manivannan Sadhasivam)
- Convert ti cpufreq/opp bindings to json schema (Nishanth Menon)"
* tag 'pm-6.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (74 commits)
cpufreq: tegra194: remove opp table in exit hook
cpufreq: powernow-k8: Use related_cpus instead of cpus in driver.exit()
cpufreq: tegra194: add online/offline hooks
cpuidle: teo: Avoid unnecessary variable assignments
cpufreq: qcom-cpufreq-hw: add support for 4 freq domains
dt-bindings: cpufreq: qcom-hw: add a 4th frequency domain
cpufreq: amd-pstate-ut: Fix kernel panic when loading the driver
cpufreq: amd-pstate-ut: Remove module parameter access
cpufreq: Use clamp() helper macro to improve the code readability
PM: sleep: Add helpers to allow a device to remain powered-on
PM: QoS: Add check to make sure CPU latency is non-negative
PM: runtime: Remove unsued extern declaration of pm_runtime_update_max_time_suspended()
cpufreq: intel_pstate: set stale CPU frequency to minimum
cpufreq: stats: Improve the performance of cpufreq_stats_create_table()
dt-bindings: cpufreq: Convert ti-cpufreq to json schema
dt-bindings: opp: Convert ti-omap5-opp-supply to json schema
OPP: Fix argument name in doc comment
cpuidle: menu: Skip tick_nohz_get_sleep_length() call in some cases
cpufreq: cppc: Set fie_disabled to FIE_DISABLED if fails to create kworker_fie
cpufreq: cppc: cppc_cpufreq_get_rate() returns zero in all error cases.
...
Commit 4680b734e7 ("cpupower: Add Georgian translation") added
new language support. This change didn't add "ka" to Makefile
LANGUAGES variable. Add it now.
Reported-by: Temuri Doghonadze <temuri.doghonadze@gmail.com>
Reported-by: Zurab Kargareteli <zuraxt@gmail.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Alderlake N is an E-core only product using Gracemont
micro-architecture. It fits the pre-existing naming scheme perfectly
fine, adhere to it.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20230807150405.686834933@infradead.org
This version addresses issues with:
- CPU count display for power domain != 0
- Support more than 8 sockets
- Error on max CPU count exceeds in one request
- Prevent trying CPU 0 hotplug for kernel version 6.5 or later
- Change mem-frequency display to max-mem-frequency
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
The mem-frequency displayed by each profile is not the actual memory
frequency of DIMMs, but the maximum the CPU can support.
Change the mem-frequency field to max-mem-frequency.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Kernel 6.5 version deprecated CPU 0 hotplug. This will cause all
requests to fail to offline CPU 0. Check version number of kernel
and ignore CPU 0 hotplug request with debug aid to use cgroup
isolation feature for CPU 0.
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
