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2024-04-29tools/power/x86/intel-speed-select: Increase die countSrinivas Pandruvada
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>
2023-10-17tools/power/x86/intel-speed-select: Use cgroup isolate for CPU 0Srinivas Pandruvada
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>
2023-08-08tools/power/x86/intel-speed-select: Support more than 8 sockets.Frank Ramsay
MAX_PACKAGE_COUNT limits the intel-speed-select to systems with 8 sockets or fewer. On a system with more than 8 sockets intel-speed-select silently ignores everything beyond the 8th socket, rendering the tool useless for those systems. Increase MAX_PACKAGE_COUNT to support systems with up to 32 sockets. Signed-off-by: Frank Ramsay <frank.ramsay@hpe.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Identify Emerald RapidsSrinivas Pandruvada
There are some differences compared to Sapphire Rapids. So, add a separate API. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Use cgroup v2 isolationSrinivas Pandruvada
On supported systems, it is possiible to isolate CPUs instead of CPU online/offline. This is optional and can be specified using -g option when running as daemon or in combination with -o option for SST-PP level change. CPU isolation doesn't isolate IRQs. So IRQs needs to be moved away from isoolated CPUs. This can be done via IRQ sysfs or irqbalance daemon. The IRQ balance daemon is also capable to parse thermal HFI messages to move IRQs away from CPUS, which are supposed be isolated. But this requires version released after July 2022. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Introduce TPMI interface supportZhang Rui
TPMI (Topology Aware Register and PM Capsule Interface) creates a flexible, extendable and software-PCIe-driver-enumerable MMIO interface for PM features. SST feature is exposed via the TPMI interface on newer Xeon platforms. Kernel TPMI based SST driver provides a series of new IOCTLs for userspace to use. Introduce support for the platforms that do SST control via TPMI interface. Compared with previous platforms, Newer Xeons also supports multi-punit in a package/die, including cpu punit and non-cpu punit. These have already been handled in the generic code. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Introduce api_version helperZhang Rui
In some cases, the output format may be different with different api_version because of different capabilities or for backward capabilities reason. Introduce api_version() to get the api_version of the platform running. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Support large clos_min/maxZhang Rui
clos_min/max in TPMI interface is frequency in MHz, thus clos_min/max needs to support larger values. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Introduce is_debug_enabled()Zhang Rui
Platform specific code also needs to give debug output. Introduce is_debug_enabled() for this purpose. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Allow api_version based platform callbacksZhang Rui
Different api_version suggests different kernel driver used and different interface is used to communication with the hardware. Allow setting platform specific callbacks based on api_version. Currently, all platforms with api_version 1 uses Mbox/MMIO interfaces. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract adjust_uncore_freqZhang Rui
Allow platform specific implementation to adjust the uncore frequency. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract read_pm_configZhang Rui
Allow platform specific implementation to get SST-CP capability and current state. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract clos_associateZhang Rui
Allow platform specific implementation to set per core CLOS setting. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract clos_get_assoc_statusZhang Rui
Allow platform specific implementation to get per core CLOS setting. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract set_closZhang Rui
Allow platform specific implementation to set CLOS priority setting. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract pm_get_closZhang Rui
Allow platform specific implementation to get CLOS priority setting. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract pm_qos_configZhang Rui
Allow platform specific implementation to set CLOS config settings. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract get_clos_informationZhang Rui
Allow platform specific implementation to get CLOS config setting. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract get_get_trlsZhang Rui
Allow platform specific implementation to get turbo ratio limits of each AVX level, for a selected SST-PP level. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract get_uncore_p0_p1_infoZhang Rui
Allow platform specific implementation to get uncore frequency info. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract get_fact_infoZhang Rui
Allow platform specific implementation to get SST-TF info. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract set_pbf_fact_statusZhang Rui
Allow platform specific implementation to enable/disable SST-TF/BF. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Remove isst_get_pbf_info_completeZhang Rui
isst_get_pbf_info_complete does nothing but just free the core_mask. Remove the function and do free core_mask directly and free core mask in the caller. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract get_pbf_infoZhang Rui
Allow platform specific implementation to get SST-BF information. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract set_tdp_levelZhang Rui
Allow platform specific implementation to set a SST-PP level. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract get_trl_bucket_infoZhang Rui
Allow platform specific implementation to get buckets info. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract get_get_trlZhang Rui
Allow platform specific implementation to get turbo ratio limit of the selected SST-PP level, and AVX level. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract get_coremask_infoZhang Rui
Allow platform specific implementation to get the core mask for a given SST-PP level. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract get_pwr_infoZhang Rui
Allow platform specific implementation to get min and max power for a given SST-PP level. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract get_tdp_infoZhang Rui
Allow platform specific implementation to get TDP information. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract get_ctdp_controlZhang Rui
Allow platform specific implementation to get SST-TF/BF/CP capabilities and status. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract get_config_levelsZhang Rui
Allow platform specific implementation to get SST-PP level. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Abstract is_punit_validZhang Rui
Allow platform specific implementation to identify a valid punit. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Introduce isst-core-mbox.cZhang Rui
isst-core.c should contain generic core APIs only. Platform specific implementations/configurations should be removed from this file. Introduce isst-core-mbox.c and move all mbox/mmio specific functions to this file. Introduce struct isst_platform_ops which contains a series of callbacks that used by the core APIs but need platform specific implementation. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Introduce isst_get_disp_freq_multiplierZhang Rui
Remove hardcoded DISP_FREQ_MULTIPLIER in the code and use isst_get_disp_freq_multiplier() instead. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Move mbox functions to isst-core.cZhang Rui
isst-config.c should only contain generic code. Move mbox functions which are platform specific code to isst-core.c. As there are some platform specific parameters set via generic application options, introduce isst_update_platform_param to pass these parameters to platform specific code. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Rename for_each_online_package_in_setZhang Rui
for_each_online_package_in_set is actually used to invoke callback for each power domain. This is not a problem when there is a single power domain within a package/die, but it does not reflect the truth in multi-punit case. Rename for_each_online_package_in_set to for_each_online_power_domain_in_set. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Introduce isst_is_punit_valid()Zhang Rui
Introduce isst_is_punit_valid() for checking a valid domain. For current platforms, it requires a punit 0 in a valid Package/Die. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Introduce punit to isst_idZhang Rui
Punit id can also be retrieved from ISST_IF_GET_PHY_ID. punit id is unique within a Package/Die, and together with Package id and Die id, they can be used to refer to a specific SST power domain. For current platforms, Punit id is always Zero. So no functional changes are expected for the current platforms. While here, prevent issuing IOCTL if the file /dev/isst_interface can't be opened. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Follow TRL nameing for FACT infoZhang Rui
SST-TF high priority core count and ratios and low priority core ratios are also per TRL level. Cleanup the code to follow the same nameing convention as TRL. This removes hardcoded TRL level names and variables. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-03-22tools/power/x86/intel-speed-select: Unify TRL levelsZhang Rui
TRL supports different levels including SSE/AVX2/AVX512. Avoid using hardcoded level name and structure fields, so that a loop can be used to parse each TRL level instead. This reduces several lines of source code. No functional changes are expected. Signed-off-by: Zhang Rui <rui.zhang@intel.com> [srinivas.pandruvada@linux.intel.com: changelog edits] Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2023-02-03tools/power/x86/intel-speed-select: Fix display of uncore min frequencySrinivas Pandruvada
Uncore P1 is not uncore minmum frequency. This is uncore base frequency. Correct display from uncore-frequency-min(MHz) to uncore-frequency-base(Mhz). To get uncore min frequency use mailbox command CONFIG_TDP_GET_RATIO_INFO. Use this mailbox to get uncore frequency limits when present. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2022-09-15tools/power/x86/intel-speed-select: Remove unused struct clos_config fieldsZhang Rui
pkg_id/die_id can be retrieved from struct isst_id, remove the redundant clos_config->pkg_id/die_id fields. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2022-09-15tools/power/x86/intel-speed-select: Do not export get_physical_idZhang Rui
Now, all the get_physical_pkg/die/core_id() users are inside isst-config.c, so no need to export these APIs. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2022-09-15tools/power/x86/intel-speed-select: Introduce is_cpu_in_power_domain helperZhang Rui
struct isst_id contains cpu, package and die info, and it can represent a specific SST power domain. Introduce is_cpu_in_power_domain() helper to identify if a cpu is in a specified power_domain. And cleanup the code to use the new helper. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2022-09-15tools/power/x86/intel-speed-select: Convert more function to use isst_idZhang Rui
With pkg and die info added into struct isst_id, more functions can be converted to use struct isst_id as parameter. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2022-09-15tools/power/x86/intel-speed-select: Add pkg and die in isst_idZhang Rui
Code uses pkg_id and die_id to refer to a specific power domain. The pkg/die information is already settled at start time. Adding package id and die id information into struct isst_id so that code does not need to retrieve them at runtime. More code cleanups can be done with the package/die info available. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2022-09-15tools/power/x86/intel-speed-select: Introduce struct isst_idZhang Rui
SST control is power-domain based rather than cpu based, on all the systems including Sapphire Rapids and ealier. SST core APIs uses cpu id as parameter, and use the underlying pkg_id and die_id information to find a power domain, this is not straight forward and introduces obscure logics in the code. Introduce struct isst_id to represent a SST Power Domain. All core APIs are converted to use struct isst_id as parameter instead of using cpu id. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2022-09-15tools/power/x86/intel-speed-select: Remove dead codeZhang Rui
Remove dead code. Not functional change in this patch Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
2022-02-17tools/power/x86/intel-speed-select: HFI supportSrinivas Pandruvada
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>