You're reading from Windows Server 2019 Automation with PowerShell Cookbook Powerful ways to automate and manage Windows administrative tasks

Product type Paperback

Published in Feb 2019

Publisher Packt

ISBN-13 9781789808537

Length 542 pages

Edition 3rd Edition

Languages

PowerShell

Tools

PowerShell

Concepts

Cloud Computing

Author (1):

Thomas Lee

View More author details

Table of Contents (16) Chapters

Preface

1. Establishing a PowerShell Administrative Environment FREE CHAPTER

2. Managing Windows Networking

3. Managing Windows Active Directory

4. Managing Windows Storage

5. Managing Shared Data

6. Managing Windows Update

7. Managing Printing

8. Introducing Containers

9. Managing Windows Internet Information Server

10. Managing Desired State Configuration

11. Managing Hyper-V

12. Managing Azure

13. Managing Performance and Usage

14. Troubleshooting Windows Server

Index

Using WMI to retrieve performance counters

Another way to access performance information is via WMI. You can use either the WMI or the CIM cmdlets to access a large number of performance counters, as an alternative to using Get-Counter.

When using WMI, the naming structure for counter information is different from using Get-Counter. With WMI, counters are exposed via separate WMI classes whose names are slightly different from those you use with Get-Counter. Effectively, with WMI, each performance counter set is a WMI class.

You find the WMI performance counters in the ROOT\CimV2 namespace; they have names that begin with Win32_Perf. For example, the Memory performance counter set contains 36 separate counters. The Win32_PerfFormattedData_PerfOS_Memory WMI class contains 46 properties, including the numerous individual performance counters.

With WMI, you get all the measurements back in one call to Get-CimInstance, whereas you would need to call Get-Counter for each counter sample. This provides...