P-State

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.

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P-State Articles & Reviews

An Early Look At The AMD P-State CPPC Driver...   Software   22 Sep 2021
Intel Xeon Platinum 8380 P-State CPU Frequency Scaling...   Software   07 Jun 2021
Windows 10 Build 21370 vs. Ubuntu 21.04 Linux On AMD...   Operating Systems   07 May 2021
Linux's P-State Performance Governor Shows...   Processors   22 Apr 2021
Initial Benchmarks Of Schedutil Performance On Linux...   Software   17 Apr 2020
Intel P-State vs. CPUFreq Frequency Scaling...   Software   12 Mar 2019
P-State/CPUFreq CPU Frequency Scaling Tests For...   Linux Gaming   17 Apr 2018
Ryzen 7 CPUFreq Governor Comparison For Linux Gaming...   Software   28 Jun 2017
Vulkan vs. OpenGL Linux Game CPU Core Scaling   Linux Gaming   26 Jun 2017
P-State/CPUFreq Governor Tests With Linux 4.12 For...   Linux Gaming   26 Jun 2017
CPUFreq vs. P-State CPU Scaling Governor Tests On...   Linux Gaming   04 Apr 2017
Kaby Lake On Linux Plays Much Better With CPUFreq Than...   Processors   11 Jan 2017
Linux 4.8 Intel P-State vs. CPUFreq Scaling...   Software   25 Aug 2016
Linux 4.7 CPUFreq Schedutil Testing vs. P-State   Software   21 May 2016
Intel Skylake Performing Better With CPUFreq Than...   Software   16 Oct 2015
Intel P-State / CPUFreq CPU Scaling For Linux Gaming...   Software   15 Aug 2015
Intel P-State vs. CPUFreq Benchmarks On The i7-5960X   Software   18 Sep 2014
CPUFreq Scaling Tests With AMD's Kaveri On Linux 3.16   Software   15 Aug 2014
ACPI CPUfreq vs. Intel P-State Scaling With Linux 3.15   Software   17 May 2014

P-State Linux News

AMD + Valve Focusing On P-State / CPPC Driver With...   AMD   18 Sep 2021
Alder Lake Support Added To Intel's TCC Driver In...   Intel   11 Sep 2021
AMD Posts New "AMD-PSTATE" CPUFreq Driver...   AMD   09 Sep 2021
Linux 5.15 Power Management Changes Merged   Hardware   01 Sep 2021
Scheduler Changes For Linux 5.15 - Still No Sign Of...   Linux Kernel   30 Aug 2021
AMD + Valve Working On New Linux CPU Performance...   AMD   02 Aug 2021
The Most Popular Intel Linux/Open-Source News From...   Intel   08 Jul 2021
AMD's Linux Strides In H1'21 From FreeSync HDMI To...   AMD   04 Jul 2021
Intel P-State Driver Ready To Take On Alder Lake...   Hardware   30 Jun 2021
Linux 5.14 Set To See Many New Features, New GPU...   Linux Kernel   26 Jun 2021
Windows vs. Linux, 5.13 Kernel, FreeBSD 13, Other May...   Free Software   01 Jun 2021
Intel P-State Driver Begins Preparing For Hybrid...   Intel   24 May 2021
Linux 5.13 Power Management Updates Submitted   Hardware   26 Apr 2021
FreeBSD 13.0 Brings Better Performance, LLVM Clang 11,...   BSD   13 Apr 2021
Linux 5.12 Bringing DTPM So You Don't Burn Yourself On...   Hardware   16 Feb 2021
A Fix Has Been Proposed For The Slower AMD Performance...   AMD   21 Jan 2021
Linux 5.11 Gets New Framework To Help Avoid Burning...   Hardware   01 Jan 2021
Linux 5.11 Intel P-State Schedutil Tuned For Better...   Intel   23 Dec 2020
Intel Workload Hints, Zen RAPL PowerCap + Other...   Linux Kernel   18 Dec 2020
Genode OS Framework 20.11 Brings Dynamic CPU Load...   Operating Systems   28 Nov 2020
Linux Gets Fix For AMD Zen 3 CPU Frequency Handling...   AMD   24 Oct 2020
Linux Could Soon Have A New Knob For Toggling...   Hardware   05 Oct 2020
The Most Prominent Linux 5.9 Kernel Features From AMD...   Linux Kernel   04 Oct 2020
Intel Still Working To Tune Linux Power Efficiency For...   Intel   31 Aug 2020
Linux vs. Windows Performance Will Be All The More...   Intel   19 Aug 2020
Intel P-State With Linux 5.9 Adds Passive Mode With...   Intel   15 Aug 2020
ARM Now Defaulting To Schedutil Governor, Other Power...   Hardware   07 Aug 2020
Linux 5.9 To Allow For Toggling Energy Efficiency Mode...   Intel   14 Jul 2020
Intel P-State Getting Energy Efficiency Knob, EPB Knob...   Intel   24 Jun 2020
Linux 5.8 Sees Many Power Management Updates,...   Linux Kernel   02 Jun 2020
The Top Linux 5.7 Features From Apple Fast Charge To...   Linux Kernel   29 May 2020
Linux 5.8 Feature Queue Has Multiple Performance...   Linux Kernel   26 May 2020
New Intel "Adaptive" P-State Frequency...   Intel   28 Apr 2020
Dell XPS 7390 Intel Ice Lake Performance Hit Hard By A...   Linux Kernel   22 Apr 2020
Intel P-State Driver Preparing To Default To Passive...   Intel   19 Apr 2020
Seven Changes We've Been Waiting On That You Will Not...   Linux Kernel   16 Apr 2020
Intel P-State Driver Shifting To "Schedutil"...   Intel   06 Apr 2020
Dell XPS Ice Lake Taking A Wallop On Ubuntu 20.04   Ubuntu   04 Apr 2020
The Linux 5.7 Scheduler Changes Bring Prominent...   Hardware   01 Apr 2020
Linux 5.7 Power Management Includes Fixes, Tiny Power...   Hardware   31 Mar 2020
Intel P-State Driver Preparing To Migrate From...   Intel   18 Mar 2020
Intel P-State Changes Could Improve iGPU-Bound...   Intel   10 Mar 2020
Power Management + ACPI Updates Submitted For The...   Hardware   28 Jan 2020
Intel iGPU Linux Gamers May Be Better Off With The...   Linux Gaming   18 Dec 2019
Intel Comet Lake Added To RAPL Driver With Linux 5.5,...   Hardware   28 Nov 2019
Significant Performance & Perf-Per-Watt Gains...   Intel   01 Oct 2019
Clear Linux vs. Ubuntu 19.10 Video Encoder Performance...   Clear Linux   20 Sep 2019
Linux 5.4 Power Management Updates Sent In But Without...   Hardware   18 Sep 2019
AMDGPU DC Gets A Number Of Fixes For Navi & Other...   Radeon   16 Jul 2019
Raspberry Pi CPUFreq Driver & Other Power...   Hardware   10 Jul 2019
Stadia, Web Browsers, GNOME 3.32 & Jetson Nano...   Phoronix   01 Apr 2019
Power Management Updates Submitted For Linux 5.1,...   Linux Kernel   04 Mar 2019
The Latest Happenings With Feral's GameMode For...   Linux Gaming   28 Jan 2019
Intel Making Improvements On FreeBSD Power Management   BSD   22 Nov 2018
Linux 4.20 Showing Some Performance Slowdowns   Linux Kernel   15 Nov 2018
Linux 4.20~5.0 Bringing Better x86 32-Bit Hibernation...   Linux Kernel   23 Oct 2018
Linux 4.19 Is Looking Good So Far, At Least On Intel...   Hardware   10 Sep 2018
Power Management Updates Land In The Linux 4.19 Kernel   Linux Kernel   14 Aug 2018
A Look At The Clear Linux Performance For July 2018   Clear Linux   03 Aug 2018
Benchmarks Of The Liquorix Linux 4.17 Kernel   Linux Kernel   03 Jul 2018
Linux 4.18 Addition Helps Dell + Thunderbolt Systems   Linux Kernel   14 Jun 2018
Intel Skylake Xeon Systems Get HWP Iowait Boosting...   Intel   13 Jun 2018
Linux 4.18's Latest Improvements For Power Management,...   Linux Kernel   04 Jun 2018
Schedutil CPU Frequency Scaling Governor Improvements...   Linux Kernel   23 May 2018
Looking Ahead To The Linux 4.18 Kernel   Linux Kernel   21 May 2018
P-State Powersave Improvements May Help Boost I/O...   Intel   16 May 2018
Laptop Support Improvements Head Into Linux 4.17   Hardware   10 Apr 2018
A Quick Look At Feral GameMode / P-State Powersave vs....   Linux Gaming   10 Apr 2018
New P-State Patches Could Boost Intel Graphics...   Intel   28 Mar 2018
Linux 4.16 Is Off To A Busy Start With Big New...   Linux Kernel   01 Feb 2018
Some Of The Features Coming To The Linux 4.16 Kernel   Linux Kernel   21 Jan 2018
Skylake X Servers On Linux 4.16 Will Have P-State CPU...   Intel   21 Jan 2018
ACPI & Power Management Updates For Linux 4.15   Intel   14 Nov 2017
ZenStates Allows Adjusting Zen P-States, Other...   AMD   21 Oct 2017
Phoronix Test Suite 7.4 Officially Released   Phoronix Test Suite   19 Sep 2017
The Changes So Far For The Linux 4.14 Kernel: Zstd,...   Linux Kernel   10 Sep 2017
P-State Continues Evolving, More Power Management...   Hardware   05 Sep 2017
AMD Ryzen 3 CPUFreq Governor Benchmarks On Linux 4.13   AMD   22 Aug 2017
The Passive Cooling Paradigm: Atlast Solutions...   Hardware   21 Aug 2017
The Changes So Far Of The Linux 4.13 Kernel   Linux Kernel   11 Jul 2017
Power Management Updates Touch Intel P-State &...   Hardware   04 Jul 2017
Vulkan vs. OpenGL With The Radeon RX 470 On An Intel...   Vulkan   23 Jun 2017
The New Features So Far For The Linux 4.12 Kernel   Linux Kernel   07 May 2017
Intel P-State, Schedutil Get Updated For Linux 4.12...   Hardware   02 May 2017
Linux 4.12 Should Be Another Exciting, Featureful...   Linux Kernel   21 Apr 2017
Clear Linux Switches From ACPI CPUFreq To P-State   Clear Linux   12 Apr 2017
Intel Turbo Boost Max 3.0 Testing On The Linux 4.11...   Intel   31 Mar 2017
Intel P-State Gets More Cleanups & Optimizations   Intel   28 Mar 2017
Getting Better Radeon Polaris Performance On Ubuntu...   Mesa   26 Mar 2017
Intel Has More P-State Changes Coming For Linux 4.12   Intel   23 Mar 2017
TurboStat Updated, More Power Management Code For...   Linux Kernel   03 Mar 2017
More Benchmarks Of The Latest Ubuntu 17.04 vs. Clear...   Clear Linux   01 Mar 2017
The Changes So Far For The Linux 4.11 Kernel   Linux Kernel   27 Feb 2017
Better Turbo Boost Max 3.0 Support Is Landing For...   Intel   25 Feb 2017
Power Management Sees More P-State Tweaking, Other...   Hardware   21 Feb 2017
Looking Ahead To The Linux 4.11 Kernel   Linux Kernel   19 Feb 2017
A Patch Is Being Worked On For Greater Kabylake Linux...   Intel   04 Feb 2017
Clear Linux's Latest Performance-Optimizing Effort:...   Clear Linux   03 Feb 2017
Expanded Turbo Boost Max 3.0 Support Is Being Worked...   Intel   19 Jan 2017
A Look At Where The P-State Linux Driver Does Bad...   Clear Linux   15 Jan 2017