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What is perfhost.exe?

Part of x86 Performance Counter Host by Microsoft

(perfhost.exe is a system file that is installed with Windows)
Download Boost and enjoy your PC. Speed up x86 Performance Counter Host and optimize your PC.

How does perfhost.exe run?

Service - perfhost.exe runs as a background Windows service called 'PerfHost' (Host de DLL de Contador de Desempenho). This is a system service that is installed with the Windows operating system and protected with Window's File Protection.


What is the community is seeing?What is the community is doing?
About 0.1% of all Boost users have the perfhost.exe process running.Of the 0.1% of perfhost.exe users, less than 1% have disabled it.
How resource intensive is perfhost.exe?
Comparison based on the average resource utilization across all programs.
     624 KB RAM2.8%
Average private memory utilization across all programs is 21.53 MB.
Typical file (disk image) location:

Are there other versions of x86 Performance Counter Host?

Why are multiple of the same versions listed?

What else is related?

What Windows OS versions does this run on?

Windows 8 (6.2.9200.0)
Windows 8 Enterprise (6.2.9200.0)
Windows 8 Enterprise N (6.2.9200.0)
Windows 8 Pro (6.2.9200.0)
Windows 8 Pro N (6.2.9200.0)
Windows 8 Pro with Media Center (6.2.9200.0)
Windows 8 Single Language (6.2.9200.0)
Windows Server 2012 Standard Evaluation (6.2.9200.0)

About Microsoft Corporation

Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft More...
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File details

File name: perfhost.exe
Publisher: Microsoft Corporation (verified)
Name: x86 Performance Counter Host
Description: Microsoft® Windows® Operating System
Version: 6.2.9200.16384 (win8_rtm.120725-1247)
Product version: 6.2.9200.16384
Size: 20.5 KB
Original file name: perfhost.exe.mui
Windows file protection: Yes

Resource utilization

Memory utilization averages
Committed memory: 12.11 MB
Peak committed memory: 13.14 MB
Paged memory: 624 KB
Peak paged memory: 768 KB
Paged system memory: 24.16 KB
Non-paged system memory: 4.31 KB
Working set memory: 2.4 MB
Peak working set memory: 2.43 MB
Min working set memory: 2.4 MB
Private memory: 624 KB
Handle count average: 36
Thread count average: 2

Process details

Runs as (owner): User
Integrety level: Undefined
Windows platform: 64-bit
Runs as a service: Yes
Parent Process
Process Command

Service details

Name: Host de DLL de Contador de Desempenho
Service name: PerfHost
Service type: Win32OwnProcess

Image hashes

MD5: eb88fa19f0ea05dd04be9c5ffeeffe1a
SHA-1: cf1adf659173e30b720efccf6f3ff22e02840095
SHA-256: 459cf99d5243c4acaa38c7b426adc52f1044c759d06a925d475df6213aeb85cd

PE image details

File entropy: 5.57792
File packed: No
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