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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-01-17 02:01:32 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-01-17 02:01:32 +0100 |
| commit | 7744064731a9543105e207504e0262f883bc14c0 (patch) | |
| tree | c3ca5afdd019f56086104c524dd62ea6e779d2d2 /Documentation/ABI | |
| parent | df34ca72ed7a3cd55a497834940d4551fac67bdb (diff) | |
| parent | 4f11b85a5f2cc279860da3b9977a9586ff2df167 (diff) | |
Merge branch 'pm-cpufreq'
* pm-cpufreq: (40 commits)
thermal: exynos: boost: Automatic enable/disable of BOOST feature (at Exynos4412)
cpufreq: exynos4x12: Change L0 driver data to CPUFREQ_BOOST_FREQ
Documentation: cpufreq / boost: Update BOOST documentation
cpufreq: exynos: Extend Exynos cpufreq driver to support boost
cpufreq / boost: Kconfig: Support for software-managed BOOST
acpi-cpufreq: Adjust the code to use the common boost attribute
cpufreq: Add boost frequency support in core
intel_pstate: Add trace point to report internal state.
cpufreq: introduce cpufreq_generic_get() routine
ARM: SA1100: Create dummy clk_get_rate() to avoid build failures
cpufreq: stats: create sysfs entries when cpufreq_stats is a module
cpufreq: stats: free table and remove sysfs entry in a single routine
cpufreq: stats: remove hotplug notifiers
cpufreq: stats: handle cpufreq_unregister_driver() and suspend/resume properly
cpufreq: speedstep: remove unused speedstep_get_state
powernow-k6: reorder frequencies
powernow-k6: correctly initialize default parameters
powernow-k6: disable cache when changing frequency
Documentation: add ABI entry for intel_pstate
cpufreq: exynos: Convert exynos-cpufreq to platform driver
...
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-devices-system-cpu | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index 468e4d48f88..d5a0d33c571 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu @@ -200,3 +200,27 @@ Description: address and size of the percpu note. note of cpu#. crash_notes_size: size of the note of cpu#. + + +What: /sys/devices/system/cpu/intel_pstate/max_perf_pct + /sys/devices/system/cpu/intel_pstate/min_perf_pct + /sys/devices/system/cpu/intel_pstate/no_turbo +Date: February 2013 +Contact: linux-pm@vger.kernel.org +Description: Parameters for the Intel P-state driver + + Logic for selecting the current P-state in Intel + Sandybridge+ processors. The three knobs control + limits for the P-state that will be requested by the + driver. + + max_perf_pct: limits the maximum P state that will be requested by + the driver stated as a percentage of the available performance. + + min_perf_pct: limits the minimum P state that will be requested by + the driver stated as a percentage of the available performance. + + no_turbo: limits the driver to selecting P states below the turbo + frequency range. + + More details can be found in Documentation/cpu-freq/intel-pstate.txt |