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Searched refs:intel_pstate (Results 1 – 16 of 16) sorted by relevance

/openbmc/linux/Documentation/admin-guide/pm/
H A Dintel_pstate.rst5 ``intel_pstate`` CPU Performance Scaling Driver
16 ``intel_pstate`` is a part of the
20 may not be supported. [To understand ``intel_pstate`` it is necessary to know
24 For the processors supported by ``intel_pstate``, the P-state concept is broader
28 by ``intel_pstate`` internally follows the hardware specification (for details
32 ``intel_pstate`` maps its internal representation of P-states to frequencies too
34 practical for ``intel_pstate`` to supply the ``CPUFreq`` core with a table of
38 Since the hardware P-state selection interface used by ``intel_pstate`` is
40 CPUs. Consequently, if ``intel_pstate`` is in use, every ``CPUFreq`` policy
46 ``intel_pstate`` is not modular, so it cannot be unloaded, which means that the
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H A Dworking-state.rst13 intel_pstate
H A Dcpufreq.rst4 .. |intel_pstate| replace:: :doc:`intel_pstate <intel_pstate>` substdef
82 algorithms. That is done by the |intel_pstate| scaling driver.
181 As mentioned before, the |intel_pstate| scaling driver bypasses the scaling
183 Consequently, if |intel_pstate| is used, scaling governors are not attached to
187 governors, but in the |intel_pstate| case they both determine the P-state to
272 be attached to this policy or (if the |intel_pstate| scaling driver is
299 |intel_pstate| scaling driver is in use) the scaling algorithm
305 |intel_pstate| case), as indicated by the string written to this
626 |intel_pstate|).
H A Dintel-speed-select.rst218 # echo 1 > /sys/devices/system/cpu/intel_pstate/no_turbo
575 #echo 1 > /sys/devices/system/cpu/intel_pstate/no_turbo
/openbmc/linux/drivers/cpufreq/
H A Dintel_pstate.c823 static struct cpufreq_driver intel_pstate; variable
863 if (intel_pstate_driver == &intel_pstate) { in store_energy_performance_preference()
1411 if (intel_pstate_driver == &intel_pstate) in store_max_perf_pct()
1445 if (intel_pstate_driver == &intel_pstate) in store_min_perf_pct()
2797 static struct cpufreq_driver intel_pstate = { variable
3136 if (intel_pstate_driver == &intel_pstate) in intel_pstate_driver_cleanup()
3154 if (driver == &intel_pstate) in intel_pstate_register_driver()
3177 return sprintf(buf, "%s\n", intel_pstate_driver == &intel_pstate ? in intel_pstate_show_status()
3197 if (intel_pstate_driver == &intel_pstate) in intel_pstate_update_status()
3203 return intel_pstate_register_driver(&intel_pstate); in intel_pstate_update_status()
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H A DMakefile50 obj-$(CONFIG_X86_INTEL_PSTATE) += intel_pstate.o
/openbmc/linux/tools/testing/selftests/intel_pstate/
H A Drun.sh69 max_perf_pct=$(cat /sys/devices/system/cpu/intel_pstate/max_perf_pct)
/openbmc/linux/tools/testing/selftests/
H A DMakefile34 TARGETS += intel_pstate
/openbmc/linux/Documentation/ABI/testing/
H A Dsysfs-devices-system-cpu317 What: /sys/devices/system/cpu/intel_pstate/max_perf_pct
318 /sys/devices/system/cpu/intel_pstate/min_perf_pct
319 /sys/devices/system/cpu/intel_pstate/no_turbo
339 Documentation/admin-guide/pm/intel_pstate.rst
/openbmc/linux/Documentation/admin-guide/
H A Dkernel-parameters.txt2158 intel_pstate= [X86]
2160 Do not enable intel_pstate as the default
2163 Use intel_pstate driver to bypass the scaling
2167 intel_pstate in the active mode: powersave and
2173 Use intel_pstate as a scaling driver, but configure it
2179 Enable intel_pstate on systems that prohibit it by default
2180 in favor of acpi-cpufreq. Forcing the intel_pstate driver
2185 processors that aren't supported by the intel_pstate driver
2191 Only load intel_pstate on systems which support
/openbmc/linux/
H A DMAINTAINERS5373 F: Documentation/admin-guide/pm/intel_pstate.rst
10790 F: drivers/cpufreq/intel_pstate.c
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/openbmc/
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