P-State is the new Intel Linux kernel driver for controlling the power states of Intel processors in a more effective way than the conventional CPUfreq driver.

P-State Articles & Reviews

One-Line Patch For Intel Meteor Lake Yields Up To 72% Better Performance, +7% Geo Mean   Software   2024-06-10
Meteor Lake EPP Tuning For Greater Performance Or Power Efficiency With Intel Ultra Core 7   Processors   2023-12-26
Linux 6.5 With AMD P-State EPP Default Brings Performance & Power Efficiency Benefits For Ryzen Servers   Software   2023-09-21
Linux 6.5+ Bringing Some Performance/Efficiency Improvements For The AMD Ryzen Z1 Extreme / ASUS ROG Ally   Software   2023-09-08
Ryzen 9 7950X Performance With The New AMD P-State Default Of Linux 6.5   Software   2023-08-24
AMD Ryzen 7 7840U Windows 11 vs. Linux CPU Performance   Software   2023-08-18
Ryzen Mobile Power/Performance With Linux 6.3's New AMD P-State EPP Driver   Software   2023-04-12
AMD P-State EPP Performance With EPYC On Linux 6.3   Software   2023-04-03
AMD Ryzen 9 7950X P-State/CPUFreq Frequency Scaling Performance On Linux   Software   2022-10-10
AMD Rembrandt CPUFreq vs. AMD P-State Linux Testing   Software   2022-10-03
Linux 5.15.35 Released With Important Performance Fix For Intel Alder Lake   Software   2022-04-20
AMD P-State vs. ACPI CPUFreq Testing With Ryzen Laptops On Linux 5.17   Software   2022-04-11
Intel Core i9 12900K P-State Governor Performance On Linux   Software   2022-01-27
Linux 5.17 Features From New AMD P-State To Xilinx Drivers, Lots Of New Hardware   Software   2022-01-23
AMD P-State v4 Linux Testing On A Ryzen 5 5500U   Software   2021-11-24
An Early Look At The AMD P-State CPPC Driver Performance vs. ACPI CPUFreq   Software   2021-09-22
Intel Xeon Platinum 8380 P-State CPU Frequency Scaling Comparison   Software   2021-06-07
Windows 10 Build 21370 vs. Ubuntu 21.04 Linux On AMD Ryzen 5900X   Operating Systems   2021-05-07
Linux's P-State Performance Governor Shows Unexpectedly Big Boosts For The Intel Core i9-11900K   Processors   2021-04-22
Initial Benchmarks Of Schedutil Performance On Linux 5.7 Show Room Still For Improvement   Software   2020-04-17
Intel P-State vs. CPUFreq Frequency Scaling Performance On The Linux 5.0 Kernel   Software   2019-03-12
P-State/CPUFreq CPU Frequency Scaling Tests For Radeon/NVIDIA Gaming With Linux 4.16   Linux Gaming   2018-04-17
Ryzen 7 CPUFreq Governor Comparison For Linux Gaming On 4.12   Software   2017-06-28
Vulkan vs. OpenGL Linux Game CPU Core Scaling   Linux Gaming   2017-06-26
P-State/CPUFreq Governor Tests With Linux 4.12 For OpenGL/Vulkan Games   Linux Gaming   2017-06-26
CPUFreq vs. P-State CPU Scaling Governor Tests On Various Vulkan/OpenGL Games   Linux Gaming   2017-04-04
Kaby Lake On Linux Plays Much Better With CPUFreq Than P-State   Processors   2017-01-11
Linux 4.8 Intel P-State vs. CPUFreq Scaling Driver/Governor Benchmarks   Software   2016-08-25
Linux 4.7 CPUFreq Schedutil Testing vs. P-State   Software   2016-05-21
Intel Skylake Performing Better With CPUFreq Than P-State For Linux Gaming   Software   2015-10-16
Intel P-State / CPUFreq CPU Scaling For Linux Gaming On Ubuntu 15.04   Software   2015-08-15
Intel P-State vs. CPUFreq Benchmarks On The i7-5960X   Software   2014-09-18
CPUFreq Scaling Tests With AMD's Kaveri On Linux 3.16   Software   2014-08-15
ACPI CPUfreq vs. Intel P-State Scaling With Linux 3.15   Software   2014-05-17

P-State Linux & Open-Source News

AMD Fast CPPC To Be Merged For Linux 6.11   AMD   2024-06-12
AMD P-State Linux Patches Updated For Heterogeneous CPUs   AMD   2024-06-11
Updated Intel Meteor Lake Tuning For Linux Shows Huge Performance/Power Improvements   Intel   2024-06-06
Linux 6.10 Fixes AMD Zen 5 CPU Frequency Reporting With cpupower   AMD   2024-06-06
Linux cpupower Tool Fix Coming For AMD Zen 5 CPUs   AMD   2024-05-28
Updated Patches For AMD "Fast CPPC" To Yield Higher Performance At Same Power Level   AMD   2024-05-26
Linux 6.10 Delivers AMD & Intel P-State Driver Updates To Refine Power Management   Hardware   2024-05-23
Linux 6.9 Released With Faster Intel Core Ultra Performance, Larger Console Fonts Option   Linux Kernel   2024-05-12
Linux 6.10 Features Expected From The NTSYNC Driver To Performance Optimizations   Linux Kernel   2024-05-12
Linux 6.10 AMD P-State To Deliver Fixes, Better Support On Older Zen CPUs   AMD   2024-05-12
Linux 6.9 Features Many Great Improvements For Both Intel & AMD   Linux Kernel   2024-05-10
AMD Posts Patches For Improving Heterogeneous Core Type CPUs On Linux   AMD   2024-05-07
AMD Core Performance Boost For Linux Getting Per-CPU Core Controls   AMD   2024-05-07
Linux 6.9-rc7 Released: The Kernel Is Looking Good   Linux Kernel   2024-05-05
New Intel P-State Linux Driver Patches To Better Handle Hybrid Core CPUs   Intel   2024-05-05
AMD Enabling "Fast CPPC" For Even Greater Linux Performance & Power Efficiency On Some CPUs   AMD   2024-04-28
AMD Prepping Fixes & Enhancements For P-State CPUFreq Driver   AMD   2024-04-23
UPower Power Profiles Daemon v0.21 Automatically Adapts For Linux Laptop Battery Use   Hardware   2024-04-04
AMD XDNA Linux Driver For Ryzen AI, Zen 5 Compiler Support & Other AMD Q1 Highlights   AMD   2024-03-31
Linux 6.9-rc1 Released With AMD P-State Preferred Core, Larger FB Console Fonts   Linux Kernel   2024-03-24
ARM SCMI CPUFreq Driver Enabling Boost Support By Default With Linux 6.9   Arm   2024-03-19
AMD Posts Updated Linux Patches For P-State Core Performance Boost   AMD   2024-03-18
AMD P-State Preferred Core Submitted For Linux 6.9 While Intel Meteor Lake Gets Tuned   AMD   2024-03-11
Awesome Changes Coming With Linux 6.9: Lots From Intel/AMD, FUSE Passthrough & More Rust   Linux Kernel   2024-03-10
Linux 6.9 To Allow AMD P-State With ACPI CPPC V2 For Threadripper 3000 Series CPUs   AMD   2024-03-10
New Linux Patches Aim To Help Improve Intel Meteor Lake Performance & Power Efficiency   Intel   2024-02-20
More AMD SEV-SNP Support To Be Upstreamed For Linux 6.9   AMD   2024-02-01
AMD P-State Preferred Core Support Coming With Linux 6.9   AMD   2024-02-01
AMD P-State Linux Driver Gets Fixed Up For Threadripper 3000 Series CPUs   AMD   2024-01-31
Linux's x86_energy_perf_policy Utility Being Extended To AMD CPUs   AMD   2024-01-30
AMD Core Performance Boost Patches Posted For P-State Linux Driver   AMD   2024-01-26
Intel Meteor Lake CPUs Will Be Able To Clock Higher On Linux 6.8   Intel   2024-01-16
A Fix For The Severe Linux Performance Regression Spotted By Torvalds   Linux Kernel   2024-01-14
AMD P-State Preferred Core Support For Linux Tried A 13th Time   AMD   2024-01-12
Linux 6.8 Power Management Prepares For Upcoming Intel Server Processors   Linux Kernel   2024-01-09
Intel's Open-Source Contributions & Upstream Performance Optimizations Top 2023   Intel   2024-01-01
Intel Meteor Lake, Emerald Rapids & Other Popular Topics For December   Phoronix   2024-01-01
AMD Posts 11th Iteration Of P-State Preferred Core Patches For Linux   AMD   2023-11-30
Xen 4.18 Hypervisor Released With Support For New AMD EPYC & Intel Xeon CPU Features   Virtualization   2023-11-22
9-Way AMD Ryzen 7000 Series Benchmarks On Linux 6.5 / Ubuntu 23.10   AMD   2023-10-27
Ubuntu 23.10 Now Available With ZFS Desktop Install Option, Linux 6.5 Kernel   Ubuntu   2023-10-12
AMD P-State Preferred Core Support For Linux Spun Up An Eighth Time   AMD   2023-10-10
Linux 6.5 Now Powering Ubuntu 23.10   Ubuntu   2023-09-16
AMD Preferred Core Patches Updated For Linux   AMD   2023-09-06
Manjaro 23.0 Released With GNOME 44, KDE Plasma 5.27 & Xfce 4.18 Desktop Options   Operating Systems   2023-09-05
AMD P-State Fixes & Other Power Management Changes For Linux 6.6   Hardware   2023-09-04
Inception & Downfall, Linux 6.6 Development Kicking Off & Other August Highlights   Phoronix   2023-09-01
Linux 6.5 Released With AMD P-State EPP Default, USB4 v2, MIDI 2.0 & More Hardware Bits   Linux Kernel   2023-08-27
Many Features Ahead With Linux 6.6: EEVDF Scheduler, New AMD CPU Features, NVK uAPI   Linux Kernel   2023-08-27
Linux 6.5 Ready To Ship With Initial USB4 v2, More WiFi 7, AMD P-State EPP Default & More   Linux Kernel   2023-08-26
AMD P-State Preferred Core Patches For Linux Updated, Will Be Enabled By Default   AMD   2023-08-15
AMD P-State Preferred Core Handling Being Enabled For Linux   AMD   2023-08-09
Intel Graphics With Linux 6.6 Adds Tuning Knobs That Can Yield 10~15% Better Performance   Intel   2023-08-04
Linux 6.6's cpupower Utility Enables New AMD P-State Features   AMD   2023-08-01
Linux Lands Fix For Intel Hybrid CPU Frequency Scaling When Disabling E-Cores   Intel   2023-07-08
Linux 6.5 Now Defaults To AMD P-State "Active" EPP For Modern Ryzen Systems   Linux Kernel   2023-06-27
Linux 6.4 Released With Early Apple M2 Code, More WiFi 7, AMD Guided Autonomous Mode   Linux Kernel   2023-06-25
Linux 6.4 Bringing Great Improvements From AMD G.A.M. To Early Apple M2 Code, More Rust   Linux Kernel   2023-06-24
Linux cpupower Tool Being Extended For AMD P-State Features   AMD   2023-06-12
AMD Ready For Ryzen Linux Systems To Use AMD P-State Active Mode By Default   AMD   2023-06-05
Silly Open-Source Moves, AMD openSIL & Rust Happenings Made For An Interesting Month   Phoronix   2023-04-30
AMD Guided Autonomous Mode Submitted For Linux 6.4   AMD   2023-04-24
Linux 6.3 Features Have A Lot For AMD & Intel, Steam Deck, ASUS Motherboards & More   Linux Kernel   2023-04-23
An Early Look At Linux 6.4 Features: AMD CDX, AMD GAM, Intel LAM, Apple M2 & More   Linux Kernel   2023-04-14
AMD P-State Guided Autonomous Mode Coming For Linux 6.4   AMD   2023-03-18
Small I/O Performance Boost Coming For Intel Ice Lake & Sapphire Rapids Servers   Intel   2023-03-03
AMD Has Many New CPU/GPU Features Ready For Linux 6.3   AMD   2023-02-18
AMD P-State EPP Submitted For Linux 6.3 To Improve CPU Performance/Power   AMD   2023-02-16
Linux 6.3 Features Expected From AMD Auto IBRS To Pluton CRB TPM2 & Dropping Old Code   Linux Kernel   2023-01-23
AMD Updates P-State "Guided Autonomous Mode" Support For Linux   AMD   2023-01-13
Linux 4.9.337 Released To End Out The 2016 LTS Series   Linux Kernel   2023-01-07
A Prominent Linux Kernel Developer Re-Joins AMD   Linux Kernel   2023-01-05
AMD Continued Its Great Linux Embrace In 2022 With Better Launch-Day Support + Optimizations   AMD   2022-12-31
AMD Posts P-State EPP v9 Driver That Aims To Be Ready For Linux 6.3   AMD   2022-12-26
AMD P-State EPP Patches Spun An 8th Time For Helping Out Linux Performance & Efficiency   AMD   2022-12-19
Linux 6.2 Will Help With Power Savings For Intel Alder Lake N & Raptor Lake P   Intel   2022-12-15
AMD P-State EPP Won't Be Ready Until Linux 6.3   AMD   2022-12-12
AMD Cezanne Laptops See Last Minute Suspend/Resume Fix With Linux 6.1   AMD   2022-12-07
AMD Posts P-State Linux Patches For New "Guided Autonomous Mode"   AMD   2022-12-07
Apple Silicon CPUFreq Driver Heading To Linux 6.2   Apple   2022-12-07
Linux 6.1-rc7 Released Following A Busy Thanksgiving Week   Linux Kernel   2022-11-27
Linux 6.1-rc7 Makes It Easier To Manage The AMD P-State Driver   AMD   2022-11-27
New Patches Allow More Easily Managing The AMD P-State Linux Driver   AMD   2022-11-20
AMD P-State EPP Driver Updated For More Power/Performance Control On Linux   AMD   2022-11-11
Deferred Enabling Of ACPI CPUFreq Boost Support Can Help Boot Times For Large Servers   Linux Kernel   2022-11-03
Arc Graphics, Google KataOS, Python 3.11 & Linux 6.1 Excited Open-Source Enthusiasts   Phoronix   2022-11-01
Intel P-State Driver Seeing More Fixes For Hybrid CPUs With Linux 6.2   Intel   2022-10-27
AMD P-State EPP Driver Updated For Improving Linux Power Efficiency   AMD   2022-10-09
AMD P-State Fixes, Fixing s2idle For Some Rembrandt Laptops Lead ACPI/PM For Linux 6.1   AMD   2022-10-03
AMD Engineers Held Several Interesting Talks At This Week's Linux Conferences   AMD   2022-09-15
Intel Working On Energy Aware Scheduling For x86 Hybrid CPUs   Intel   2022-09-15
AMD Posts "P-State EPP" Driver As New Attempt To Improve Performance-Per-Watt On Linux   AMD   2022-09-09
AMD P-State Patches Updated But Miss The Linux 6.0 Merge Window   AMD   2022-08-15
AMD Radeon 680M Graphics Benchmarks Across Various Linux Kernel, Mesa Versions   Radeon   2022-08-13
Linux 5.19 Features Many Intel & AMD Improvements, New Hardware Preparations   Linux Kernel   2022-07-28
AMD P-State Linux Driver Updated With Precision Boost Control, Other Fixes   AMD   2022-07-07
Linux 5.19 Heavy On Intel Power Management & Thermal Improvements   Hardware   2022-05-25
Linux NTFS, Ryzen 7 5800X3D, Mesa 22.1 & Other April Open-Source Excitement   Phoronix   2022-05-01
Intel Alder Lake Performance Fix To Be Backported To Linux 5.15 LTS   Intel   2022-04-18
Linux 5.18 Power Management Brings Improvements For Both Intel & AMD   Linux Kernel   2022-03-28
Intel Software Defined Silicon, AMD HSMP Submitted For Linux 5.18   Hardware   2022-03-25
AMD Making It Easier To Switch To Their New P-State CPU Frequency Scaling Driver   AMD   2022-03-25
How To Use The New AMD P-State Driver With Linux 5.17   AMD   2022-03-22
Linux 5.17 Released With AMD P-State Driver, Plenty Of New Hardware Support   Linux Kernel   2022-03-20
AMD P-State Tracer Tool To Be Included With Linux 5.18   AMD   2022-03-13
The Most Interesting New Features Of Linux 5.17 - Intel & AMD Continue With Big Changes   Linux Kernel   2022-03-10
AMD "HSMP" System Management Driver On The Way To The Linux Kernel   AMD   2022-02-25
AMD P-State Support Coming For The CPUPower Tool   AMD   2022-02-16
More Open-Source Patches Continue Surfacing For AMD's Sabrina SoC   AMD   2022-02-15
Intel Alder Lake & Linux Kernel Advancements Made For An Exciting January   Phoronix   2022-02-01
Intel's Many Improvements In Linux 5.17 From Starting Raptor Lake Enablement To PFRUT   Intel   2022-01-30
Linux 5.17 Is Bringing Big Improvements For AMD Hardware   AMD   2022-01-24
Platform Firmware Runtime Update & Telemetry Feature Submitted For Linux 5.17   Hardware   2022-01-17
New AMD P-State Driver Headlines The Power Management Updates For Linux 5.17   Linux Kernel   2022-01-11
The Intel/AMD Laptop & Tablet Support Improvements For Linux 5.17   Hardware   2022-01-10
Linux 5.17 To Bring AMD P-State, Many AMD & Intel Improvements, New Optimizations   Linux Kernel   2022-01-08
AMD P-State Driver To Premiere In Linux 5.17 With Aim To Deliver Better Power Efficiency   AMD   2022-01-05
Happy New Year & A Wrap On 2021   Phoronix   2021-12-31
AMD P-State v7 Driver Posted For Delivering Better Ryzen Efficiency In 2022   AMD   2021-12-25
Linux 5.17 Will Have An Important Intel P-State Update For Alder Lake Mobile CPUs   Intel   2021-12-22
AMD P-State CPU Frequency Control Driver Revised A 6th Time   AMD   2021-12-19
Alder Lake, Kernel Optimizations & Steam Deck Happenings That Excited Linux Fans   Phoronix   2021-11-30
AMD-Pstate Driver Updated A 5th Time For Improving Ryzen Power Efficiency On Linux   AMD   2021-11-30
Updated AMD P-State Driver Posted For Improving Linux Power Efficiency   AMD   2021-11-19
AMD Posts Latest Revision To Its New P-State Linux Driver   AMD   2021-10-29
Linux 5.15, AMD / Radeon Advancements, Intel SDSi Dominated Discussions This Month   Phoronix   2021-10-01
Updated AMD P-State Driver Published For Linux   AMD   2021-09-26
AMD + Valve Focusing On P-State / CPPC Driver With Schedutil For Better Linux Efficiency   AMD   2021-09-18
Alder Lake Support Added To Intel's TCC Driver In Linux 5.15   Intel   2021-09-11
AMD Posts New "AMD-PSTATE" CPUFreq Driver Leveraging CPPC For Better Perf-Per-Watt   AMD   2021-09-09
Linux 5.15 Power Management Changes Merged   Hardware   2021-09-01
Scheduler Changes For Linux 5.15 - Still No Sign Of Any Intel Thread Director Optimizations   Linux Kernel   2021-08-30
AMD + Valve Working On New Linux CPU Performance Scaling Design   AMD   2021-08-02
The Most Popular Intel Linux/Open-Source News From H1'2021   Intel   2021-07-08
AMD's Linux Strides In H1'21 From FreeSync HDMI To PyTorch ROCm   AMD   2021-07-04
Intel P-State Driver Ready To Take On Alder Lake Hybrid Processors   Hardware   2021-06-30
Linux 5.14 Set To See Many New Features, New GPU Support, Other Exciting Changes   Linux Kernel   2021-06-26
Windows vs. Linux, 5.13 Kernel, FreeBSD 13, Other May Excitement   Free Software   2021-06-01
Intel P-State Driver Begins Preparing For Hybrid Processors (Alder Lake)   Intel   2021-05-24
Linux 5.13 Power Management Updates Submitted   Hardware   2021-04-26
FreeBSD 13.0 Brings Better Performance, LLVM Clang 11, Obsolete GNU Bits Removed   BSD   2021-04-13
Linux 5.12 Bringing DTPM So You Don't Burn Yourself On Hot Devices   Hardware   2021-02-16
A Fix Has Been Proposed For The Slower AMD Performance On Linux 5.11   AMD   2021-01-21
Linux 5.11 Gets New Framework To Help Avoid Burning Your Skin On Hot Devices   Hardware   2021-01-01
Linux 5.11 Intel P-State Schedutil Tuned For Better Efficiency. Avoid Running "Too Fast"   Intel   2020-12-23
Intel Workload Hints, Zen RAPL PowerCap + Other Power/Thermal Changes For Linux 5.11   Linux Kernel   2020-12-18
Genode OS Framework 20.11 Brings Dynamic CPU Load Balancing, 64-bit ARM Sculpt OS   Operating Systems   2020-11-28
Linux Gets Fix For AMD Zen 3 CPU Frequency Handling Stemming From 8 Year Old Workaround   AMD   2020-10-24
Linux Could Soon Have A New Knob For Toggling Performance/Power-Profile For Laptops   Hardware   2020-10-05
The Most Prominent Linux 5.9 Kernel Features From AMD RDNA 2 To Battling Nefarious Shims   Linux Kernel   2020-10-04