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

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

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
A Look Back At Some Of The Best Features Added To The...   Linux Kernel   01 Jan 2017
Many Power Management Updates For The Linux 4.10...   Hardware   13 Dec 2016
The Best Features Of The Linux 4.9 Kernel   Linux Kernel   07 Dec 2016
Looking Forward To The Linux 4.10 Kernel   Linux Kernel   16 Nov 2016
The Idle Power Use Of The Past 19 Linux Kernel...   Linux Kernel   27 Oct 2016
Generic Governors Support Coming For Intel P-State   Intel   25 Oct 2016
Additional P-State Change For Linux 4.9 May Boost...   Hardware   14 Oct 2016
Linux 4.9's CPUFreq To Make Greater Use Of Scheduler...   Hardware   03 Oct 2016
Ubuntu 16.10 Doesn't Change Much With Performance,...   Clear Linux   29 Sep 2016
New IOWait Boosting Patches For Intel P-State,...   Hardware   03 Sep 2016
P-State Algorithm Change, Schedutil IOWait Boosting   Linux Kernel   01 Aug 2016
Linux 4.8 Bringing ACPI Low-Power Idle, Intel...   Hardware   27 Jul 2016
Linux 4.7 Notebook Power Testing: Possible Regression...   Linux Kernel   22 Jul 2016
AMDGPU, Dota 2 Vulkan, NVIDIA Pascal Were Wowing Linux...   Phoronix   31 May 2016
Intel's P-State Driver Does Seem To Be In Bad Shape On...   Intel   24 May 2016
ACPI 6.1, CPUFreq Schedutil Provide Power Fun For...   Linux Kernel   16 May 2016
More Power Management Updates Queue Up For Linux 4.6   Linux Kernel   25 Mar 2016
The Features That Landed So Far In The Linux 4.6...   Linux Kernel   22 Mar 2016
CPUFreq & P-State Go Through A Redesign With Linux...   Linux Kernel   15 Mar 2016
Using 64-bit Linux Software To Reduce Power...   Ubuntu   10 Mar 2016
Better Intel Skylake & Galileo Support Arrives For...   Coreboot   02 Mar 2016
The Performance Impact Of Turbo Boost On Linux   Intel   28 Feb 2016
Intel Skylake CPUFreq vs. P-State Scaling Benchmarks...   Intel   22 Feb 2016
Early Ubuntu 14.04 vs. Ubuntu 16.04 Intel Xeon E5...   Ubuntu   13 Feb 2016
AMDGPU Linux Gaming Tests With P-State vs. CPUFreq...   Radeon   31 Jan 2016
Intel P-State Is Faster Than ACPI CPUFreq Performance...   Hardware   18 Jan 2016
ACPI & Power Management Updates For Linux 4.5   Hardware   12 Jan 2016
Did Linux Power Consumption Improve At All This Year?   Hardware   28 Dec 2015
Trying CentOS 7 Linux On An Intel Xeon E3 Skylake...   Red Hat   16 Dec 2015
Ubuntu 15.10 vs. Fedora 23 With The Intel Xeon E3 v5...   Fedora   15 Dec 2015
Mesa 11.0 vs. 11.2-devel Tests For Intel Skylake   Mesa   25 Nov 2015
CPU/GPU Usage Between NVIDIA & AMD Linux Drivers   Hardware   29 Oct 2015
Intel Haswell Iris Graphics Don't Change Much On...   Intel   27 Oct 2015
Intel Haswell Graphics Have A Few Gains With Ubuntu...   Ubuntu   11 Oct 2015
Power Management Update In Linux 4.3 Adds New Support,...   Hardware   01 Sep 2015
Intel's Broadwell i7-5775C Runs Much Happier On Fedora...   Fedora   14 Jul 2015
Working Around The Intel Core i7 5775C Broadwell...   Intel   05 Jul 2015
Intel Bay Trail & Cherry Trail CPUs To Run Faster...   Intel   26 Apr 2015
Linux 4.0-RC1 Tagged, Linux 4.0 Will Bring Many...   Linux Kernel   22 Feb 2015
Power Management For Linux 3.20: SFI CPUFreq, Skylake...   Linux Kernel   11 Feb 2015
Intel Broadwell-U P-State vs. ACPI CPUFreq Scaling...   Intel   28 Jan 2015
Broadwell Linux Ultrabook Running MUCH Cooler Than...   Intel   25 Jan 2015
More ACPI+PM Changes For Linux 3.19   Hardware   20 Dec 2014
Debian 8.0 Jessie - GNU/Linux vs. GNU/kFreeBSD...   Debian   14 Dec 2014
Significant ACPI & Power Management Changes In...   Linux Kernel   09 Dec 2014