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dronkoff opened this issue Jan 29, 2019 · 2 comments
Closed

PSScriptAnalyzer is consuming one core #1739

dronkoff opened this issue Jan 29, 2019 · 2 comments

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@dronkoff
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dronkoff commented Jan 29, 2019

Issue Type: Performance Issue

Take a big (more than 1500 lines) PowerShell 5.1 script,
Change something,
A PowerShell.exe process will start consuming CPU. It can consume 25% (1 out if 4 cores) for minutes.
I took couple of dumps and traces and everything points to the Microsoft.Windows.PowerShell.ScriptAnalyzer.BuiltinRules.AvoidAlias+d__7.MoveNext() method.

Disabling PSAvoidUsingCmdletAliases rule makes things a bit better. PowerShell.exe starts after saving the script, doing something but calms down much faster.

Extension version: 1.11.0
VS Code version: Code 1.30.2 (61122f88f0bf01e2ac16bdb9e1bc4571755f5bd8, 2019-01-07T22:54:13.295Z)
OS version: Windows_NT x64 10.0.17763

System Info
Item Value
CPUs Intel(R) Core(TM) i7-6600U CPU @ 2.60GHz (4 x 2808)
GPU Status 2d_canvas: enabled
checker_imaging: disabled_off
flash_3d: enabled
flash_stage3d: enabled
flash_stage3d_baseline: enabled
gpu_compositing: enabled
multiple_raster_threads: enabled_on
native_gpu_memory_buffers: disabled_software
rasterization: enabled
video_decode: enabled
video_encode: enabled
webgl: enabled
webgl2: enabled
Memory (System) 15.83GB (4.33GB free)
Process Argv
Screen Reader no
VM 0%
Process Info
CPU %	Mem MB	   PID	Process
    1	    77	 19400	code main
    0	    66	 10716	   shared-process
    0	   163	 18284	   window (EGPO_Config_Inventory.ps1 - Visual Studio Code)
    0	    54	 13752	     extensionHost
    0	    12	 16708	     electron-crash-reporter
    0	     5	 18304	     winpty-process
    0	     8	 11932	       console-window-host (Windows internal process)
   22	   161	 20124	       C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe -NoProfile -NonInteractive -ExecutionPolicy Bypass -Command "& 'C:\Users\vdronov\.vscode\extensions\ms-vscode.powershell-1.11.0\modules\PowerShellEditorServices\Start-EditorServices.ps1' -HostName 'Visual Studio Code Host' -HostProfileId 'Microsoft.VSCode' -HostVersion '1.11.0' -AdditionalModules @('PowerShellEditorServices.VSCode') -BundledModulesPath 'C:\Users\vdronov\.vscode\extensions\ms-vscode.powershell-1.11.0\modules' -EnableConsoleRepl -LogLevel 'Normal' -LogPath 'C:\Users\vdronov\.vscode\extensions\ms-vscode.powershell-1.11.0\logs\1548769107-e5d0206d-d579-4e28-92f6-723cac8ef1511548769100719\EditorServices.log' -SessionDetailsPath 'C:\Users\vdronov\.vscode\extensions\ms-vscode.powershell-1.11.0\sessions\PSES-VSCode-19400-497548' -FeatureFlags @()"
    3	    63	 19500	   window (Issue Reporter)
    0	   226	 19668	   window (EGPO_Config_Inventory.ps1 - Scripts - Visual Studio Code)
    0	    95	  2980	     extensionHost
    0	     3	 18100	       cmd /s /c "C:\Users\vdronov\.vscode\extensions\ms-vscode.csharp-1.17.1\.omnisharp\1.32.8\OmniSharp.exe -s c:\SRC\SBRF\Scripts\CMScheduleConverter\ExcelToLocalDb\ExcelToLocalDb.sln --hostPID 2980 --stdio DotNet:enablePackageRestore=false --encoding utf-8 --loglevel information --plugin C:\Users\vdronov\.vscode\extensions\ms-vscode.csharp-1.17.1\.razor\OmniSharpPlugin\Microsoft.AspNetCore.Razor.OmniSharpPlugin.dll formattingOptions:useTabs=false formattingOptions:tabSize=4 formattingOptions:indentationSize=4"
    0	    65	 17488	         C:\Users\vdronov\.vscode\extensions\ms-vscode.csharp-1.17.1\.omnisharp\1.32.8\OmniSharp.exe  -s c:\SRC\SBRF\Scripts\CMScheduleConverter\ExcelToLocalDb\ExcelToLocalDb.sln --hostPID 2980 --stdio DotNet:enablePackageRestore=false --encoding utf-8 --loglevel information --plugin C:\Users\vdronov\.vscode\extensions\ms-vscode.csharp-1.17.1\.razor\OmniSharpPlugin\Microsoft.AspNetCore.Razor.OmniSharpPlugin.dll formattingOptions:useTabs=false formattingOptions:tabSize=4 formattingOptions:indentationSize=4
    0	     6	 17520	         console-window-host (Windows internal process)
    0	    26	 19672	       C:\Users\vdronov\.vscode\extensions\ms-vscode.csharp-1.17.1\.razor\rzls.exe -lsp --logLevel None
    0	     5	 19292	         console-window-host (Windows internal process)
    0	    35	  3632	     searchService
    0	    13	 19724	     watcherService 
    0	     5	 17236	       console-window-host (Windows internal process)
    0	     6	 20084	     winpty-process
    0	     8	  6292	       console-window-host (Windows internal process)
   21	   419	 19108	       C:\WINDOWS\System32\WindowsPowerShell\v1.0\powershell.exe -NoProfile -NonInteractive -ExecutionPolicy Bypass -Command "& 'C:\Users\vdronov\.vscode\extensions\ms-vscode.powershell-1.11.0\modules\PowerShellEditorServices\Start-EditorServices.ps1' -HostName 'Visual Studio Code Host' -HostProfileId 'Microsoft.VSCode' -HostVersion '1.11.0' -AdditionalModules @('PowerShellEditorServices.VSCode') -BundledModulesPath 'C:\Users\vdronov\.vscode\extensions\ms-vscode.powershell-1.11.0\modules' -EnableConsoleRepl -LogLevel 'Normal' -LogPath 'C:\Users\vdronov\.vscode\extensions\ms-vscode.powershell-1.11.0\logs\1548769190-555c02bb-a6aa-4962-a3b9-93bc1e15a5ef1548769183730\EditorServices.log' -SessionDetailsPath 'C:\Users\vdronov\.vscode\extensions\ms-vscode.powershell-1.11.0\sessions\PSES-VSCode-19400-527039' -FeatureFlags @()"
    2	   247	 20448	   gpu-process
Workspace Info
|  Window (EGPO_Config_Inventory.ps1 - Scripts - Visual Studio Code)
|    Folder (Scripts): 371 files
|      File types: exe(136) ini(30) ps1(27) msi(19) vbs(18) cmd(16) txt(14)
|                  dll(13) xml(13) log(10)
|      Conf files: sln(1) csproj(1);
@SeeminglyScience
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This should be fixed when PowerShell/PSScriptAnalyzer#1074 makes it into a release.

@TylerLeonhardt
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closing this since it's fixed in PSSA and is pending release.

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