get-counter issue with -computer parameter - #15166
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Travis Plunk (TravisEz13) merged 2 commits intoApr 12, 2021
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Issue #15165 |
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I don't see any failures: PowerShell 7.1.0
Copyright (c) Microsoft Corporation.
https://aka.ms/powershell
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PS C:\install\PowerShell\7> Get-Counter -Counter "\Processor(_Total)\% Processor Time" -ComputerName localhost
Timestamp CounterSamples
--------- --------------
4/6/2021 9:17:31 PM \\localhost\\processor(_total)\% processor time :
10.159475274837638
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Travis Plunk (TravisEz13)
previously approved these changes
Apr 10, 2021
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Travis Plunk (@TravisEz13) Looks fine. You can approve. |
Travis Plunk (TravisEz13)
approved these changes
Apr 12, 2021
get-counter issue with -computer parameter
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Travis Plunk (TravisEz13)
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Apr 16, 2021
[7.2.0-preview.5] - 2021-04-14 * Breaking Changes - Make PowerShell Linux deb and RPM packages universal (#15109) - Enforce AppLocker Deny configuration before Execution Policy Bypass configuration (#15035) - Disallow mixed dash and slash in command line parameter prefix (#15142) (Thanks @davidBar-On!) * Experimental Features - `PSNativeCommandArgumentPassing`: Use `ArgumentList` for native executable invocation (breaking change) (#14692) * Engine Updates and Fixes - Add `IArgumentCompleterFactory` for parameterized `ArgumentCompleters` (#12605) (Thanks @powercode!) * General Cmdlet Updates and Fixes - Fix SSH remoting connection never finishing with misconfigured endpoint (#15175) - Respect `TERM` and `NO_COLOR` environment variables for `$PSStyle` rendering (#14969) - Use `ProgressView.Classic` when Virtual Terminal is not supported (#15048) - Fix `Get-Counter` issue with `-Computer` parameter (#15166) (Thanks @krishnayalavarthi!) - Fix redundant iteration while splitting lines (#14851) (Thanks @hez2010!) - Enhance `Remove-Item -Recurse` to work with OneDrive (#14902) (Thanks @iSazonov!) - Change minimum depth to 0 for `ConvertTo-Json` (#14830) (Thanks @kvprasoon!) - Allow `Set-Clipboard` to accept empty string (#14579) - Turn on and off `DECCKM` to modify keyboard mode for Unix native commands to work correctly (#14943) - Fall back to `CopyAndDelete()` when `MoveTo()` fails due to an `IOException` (#15077) * Code Cleanup <details> <summary> <p>We thank the following contributors!</p> <p>@xtqqczze, @iSazonov, @ZhiZe-ZG</p> </summary> <ul> <li>Update .NET to <code>6.0.0-preview.3</code> (#15221)</li> <li>Add space before comma to hosting test to fix error reported by <code>SA1001</code> (#15224)</li> <li>Add <code>SecureStringHelper.FromPlainTextString</code> helper method for efficient secure string creation (#14124) (Thanks @xtqqczze!)</li> <li>Use static lambda keyword (#15154) (Thanks @iSazonov!)</li> <li>Remove unnecessary <code>Array</code> -> <code>List</code> -> <code>Array</code> conversion in <code>ProcessBaseCommand.AllProcesses</code> (#15052) (Thanks @xtqqczze!)</li> <li>Standardize grammar comments in Parser.cs (#15114) (Thanks @ZhiZe-ZG!)</li> <li>Enable <code>SA1001</code>: Commas should be spaced correctly (#14171) (Thanks @xtqqczze!)</li> <li>Refactor <code>MultipleServiceCommandBase.AllServices</code> (#15053) (Thanks @xtqqczze!)</li> </ul> </details> * Tools - Use Unix line endings for shell scripts (#15180) (Thanks @xtqqczze!) * Tests - Add the missing tag in Host Utilities tests (#14983) - Update `copy-props` version in `package.json` (#15124) * Build and Packaging Improvements <details> <summary> <p>We thank the following contributors!</p> <p>@JustinGrote</p> </summary> <ul> <li>Fix <code>yarn-lock</code> for <code>copy-props</code> (#15225)</li> <li>Make package validation regex accept universal Linux packages (#15226)</li> <li>Bump NJsonSchema from 10.4.0 to 10.4.1 (#15190)</li> <li>Make MSI and EXE signing always copy to fix daily build (#15191)</li> <li>Sign internals of EXE package so that it works correctly when signed (#15132)</li> <li>Bump Microsoft.NET.Test.Sdk from 16.9.1 to 16.9.4 (#15141)</li> <li>Update daily release tag format to work with new Microsoft Update work (#15164)</li> <li>Feature: Add Ubuntu 20.04 Support to install-powershell.sh (#15095) (Thanks @JustinGrote!)</li> <li>Treat rebuild branches like release branches (#15099)</li> <li>Update WiX to 3.11.2 (#15097)</li> <li>Bump NJsonSchema from 10.3.11 to 10.4.0 (#15092)</li> <li>Allow patching of preview releases (#15074)</li> <li>Bump Newtonsoft.Json from 12.0.3 to 13.0.1 (#15084, #15085)</li> <li>Update the <code>minSize</code> build package filter to be explicit (#15055)</li> <li>Bump NJsonSchema from 10.3.10 to 10.3.11 (#14965)</li> </ul> </details> * Documentation and Help Content - Merge `7.2.0-preview.4` changes to master (#15056) - Update `README` and `metadata.json` (#15046) - Fix broken links for `dotnet` CLI (#14937) [7.2.0-preview.5]: v7.2.0-preview.4...v7.2.0-preview.5
Thatgfsj (Thatgfsj)
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Aug 6, 2026
* get-counter issue fixed * Update src/Microsoft.PowerShell.Commands.Diagnostics/GetCounterCommand.cs Co-authored-by: Krishna Yalavarthi <kryalava@microsoft.com> Co-authored-by: Travis Plunk <travis.plunk@microsoft.com>
Thatgfsj (Thatgfsj)
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Aug 6, 2026
[7.2.0-preview.5] - 2021-04-14 * Breaking Changes - Make PowerShell Linux deb and RPM packages universal (PowerShell#15109) - Enforce AppLocker Deny configuration before Execution Policy Bypass configuration (PowerShell#15035) - Disallow mixed dash and slash in command line parameter prefix (PowerShell#15142) (Thanks @davidBar-On!) * Experimental Features - `PSNativeCommandArgumentPassing`: Use `ArgumentList` for native executable invocation (breaking change) (PowerShell#14692) * Engine Updates and Fixes - Add `IArgumentCompleterFactory` for parameterized `ArgumentCompleters` (PowerShell#12605) (Thanks @powercode!) * General Cmdlet Updates and Fixes - Fix SSH remoting connection never finishing with misconfigured endpoint (PowerShell#15175) - Respect `TERM` and `NO_COLOR` environment variables for `$PSStyle` rendering (PowerShell#14969) - Use `ProgressView.Classic` when Virtual Terminal is not supported (PowerShell#15048) - Fix `Get-Counter` issue with `-Computer` parameter (PowerShell#15166) (Thanks @krishnayalavarthi!) - Fix redundant iteration while splitting lines (PowerShell#14851) (Thanks @hez2010!) - Enhance `Remove-Item -Recurse` to work with OneDrive (PowerShell#14902) (Thanks @iSazonov!) - Change minimum depth to 0 for `ConvertTo-Json` (PowerShell#14830) (Thanks @kvprasoon!) - Allow `Set-Clipboard` to accept empty string (PowerShell#14579) - Turn on and off `DECCKM` to modify keyboard mode for Unix native commands to work correctly (PowerShell#14943) - Fall back to `CopyAndDelete()` when `MoveTo()` fails due to an `IOException` (PowerShell#15077) * Code Cleanup <details> <summary> <p>We thank the following contributors!</p> <p>@xtqqczze, @iSazonov, @ZhiZe-ZG</p> </summary> <ul> <li>Update .NET to <code>6.0.0-preview.3</code> (PowerShell#15221)</li> <li>Add space before comma to hosting test to fix error reported by <code>SA1001</code> (PowerShell#15224)</li> <li>Add <code>SecureStringHelper.FromPlainTextString</code> helper method for efficient secure string creation (PowerShell#14124) (Thanks @xtqqczze!)</li> <li>Use static lambda keyword (PowerShell#15154) (Thanks @iSazonov!)</li> <li>Remove unnecessary <code>Array</code> -> <code>List</code> -> <code>Array</code> conversion in <code>ProcessBaseCommand.AllProcesses</code> (PowerShell#15052) (Thanks @xtqqczze!)</li> <li>Standardize grammar comments in Parser.cs (PowerShell#15114) (Thanks @ZhiZe-ZG!)</li> <li>Enable <code>SA1001</code>: Commas should be spaced correctly (PowerShell#14171) (Thanks @xtqqczze!)</li> <li>Refactor <code>MultipleServiceCommandBase.AllServices</code> (PowerShell#15053) (Thanks @xtqqczze!)</li> </ul> </details> * Tools - Use Unix line endings for shell scripts (PowerShell#15180) (Thanks @xtqqczze!) * Tests - Add the missing tag in Host Utilities tests (PowerShell#14983) - Update `copy-props` version in `package.json` (PowerShell#15124) * Build and Packaging Improvements <details> <summary> <p>We thank the following contributors!</p> <p>@JustinGrote</p> </summary> <ul> <li>Fix <code>yarn-lock</code> for <code>copy-props</code> (PowerShell#15225)</li> <li>Make package validation regex accept universal Linux packages (PowerShell#15226)</li> <li>Bump NJsonSchema from 10.4.0 to 10.4.1 (PowerShell#15190)</li> <li>Make MSI and EXE signing always copy to fix daily build (PowerShell#15191)</li> <li>Sign internals of EXE package so that it works correctly when signed (PowerShell#15132)</li> <li>Bump Microsoft.NET.Test.Sdk from 16.9.1 to 16.9.4 (PowerShell#15141)</li> <li>Update daily release tag format to work with new Microsoft Update work (PowerShell#15164)</li> <li>Feature: Add Ubuntu 20.04 Support to install-powershell.sh (PowerShell#15095) (Thanks @JustinGrote!)</li> <li>Treat rebuild branches like release branches (PowerShell#15099)</li> <li>Update WiX to 3.11.2 (PowerShell#15097)</li> <li>Bump NJsonSchema from 10.3.11 to 10.4.0 (PowerShell#15092)</li> <li>Allow patching of preview releases (PowerShell#15074)</li> <li>Bump Newtonsoft.Json from 12.0.3 to 13.0.1 (PowerShell#15084, PowerShell#15085)</li> <li>Update the <code>minSize</code> build package filter to be explicit (PowerShell#15055)</li> <li>Bump NJsonSchema from 10.3.10 to 10.3.11 (PowerShell#14965)</li> </ul> </details> * Documentation and Help Content - Merge `7.2.0-preview.4` changes to master (PowerShell#15056) - Update `README` and `metadata.json` (PowerShell#15046) - Fix broken links for `dotnet` CLI (PowerShell#14937) [7.2.0-preview.5]: PowerShell/PowerShell@v7.2.0-preview.4...v7.2.0-preview.5
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PR Summary
Get-Counter: fails when "-computer" parameter present
PR Context
Assuming the local system is named MySystem, the following should
work:
get-counter -computer MySystem "\Processor(_Total)% Processor Time"
This fails because get-counter inserts an extra backslash into the
string between "MySystem" and "\Processor", so the full path ends up
being \MySystem\Processor(_Total)% Processor Time.
PDH then parses this path as follows:
Machine = MySystem
CounterSet = Processor
Instance = _Total
Counter = % Processor Time
Note that the extra slash remains in Machine. As a result, PDH does not
recognize that this is a query for the local system, and instead
attempts to perform a remote query to the "MySystem" machine, which
does not exist. The query fails.
Fixes:
Update the Get-Counter cmdlet to not insert the extra backslash.
Update PDH to trim trailing backslashes from the machine name.
PR Checklist
.h,.cpp,.cs,.ps1and.psm1files have the correct copyright headerWIP:or[ WIP ]to the beginning of the title (theWIPbot will keep its status check atPendingwhile the prefix is present) and remove the prefix when the PR is ready.(which runs in a different PS Host).