The Linux Kernel
5.11.0-rc4
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The Linux Kernel
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  • The Linux kernel user’s and administrator’s guide »
  • Power Management »
  • Working-State Power Management
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Working-State Power Management¶

  • CPU Idle Time Management
    • Concepts
    • The Idle Loop
    • Idle CPUs and The Scheduler Tick
    • The menu Governor
    • The Timer Events Oriented (TEO) Governor
    • Representation of Idle States
    • Power Management Quality of Service for CPUs
    • Idle States Control Via Kernel Command Line
  • intel_idle CPU Idle Time Management Driver
    • General Information
    • Enumeration of Idle States
    • Initialization
    • Kernel Command Line Options and Module Parameters
    • Core and Package Levels of Idle States
    • References
  • CPU Performance Scaling
    • The Concept of CPU Performance Scaling
    • CPU Performance Scaling in Linux
    • CPUFreq Policy Objects
    • CPU Initialization
    • Policy Interface in sysfs
    • Generic Scaling Governors
    • Frequency Boost Support
    • References
  • intel_pstate CPU Performance Scaling Driver
    • General Information
    • Operation Modes
    • Turbo P-states Support
    • Processor Support
    • User Space Interface in sysfs
    • intel_pstate vs acpi-cpufreq
    • Kernel Command Line Options for intel_pstate
    • Diagnostics and Tuning
    • References
  • Legacy Documentation of CPU Performance Scaling Drivers
    • AMD PowerNow! Drivers
    • cpufreq-nforce2
    • pcc-cpufreq
  • Intel Performance and Energy Bias Hint
    • Intel Performance and Energy Bias Attribute in sysfs
  • Intel(R) Speed Select Technology User Guide
    • intel-speed-select configuration tool
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