Solved wmic thread count command

[shoober420]

Using code from garlin, I think I came up with a string that can query cpu thread count and apply to registry keys if desired. I wanted to double check the code, especially with @garlin to make sure I did it correctly. Also I wanted to simply share it if someone finds it useful.

for /f "tokens=2 delims=^=" %%t in ('wmic cpu get NumberOfLogicalProcessors /value ^| find "="') do set Threads=%%t

reg add "HKLM\SYSTEM\CurrentControlSet\Services\Ndis\Parameters" /v "MaxNumRssThreads" /t REG_DWORD /d "%%t" /f       
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "MaxNumRssThreads" /t REG_DWORD /d "%%t" /f

 

[zbook]

Microsoft has deprecated wmic commands.

WMI command line (WMIC) utility deprecation: Next steps | Windows IT Pro blog

Get ready for the next step in WMIC deprecation: this feature on demand will be disabled by default soon.

techcommunity.microsoft.com

Add or Remove WMIC command Feature in Windows 11

This tutorial will show you how to add or remove the WMIC optional feature for all users in Windows 11. The WMI command-line (WMIC) utility provides a command-line interface for Windows Management Instrumentation (WMI). WMIC is compatible with existing shells and utility commands. The WMIC...

www.elevenforum.com

 

[garlin]

I think you got it from here.

 

[shoober420]

Very odd, but when using "%%t", when executing the script it only reads as "%t" and returns an error. When updating it to "%Threads%", it does indeed work as intended.

reg add "HKLM\SYSTEM\CurrentControlSet\Services\Ndis\Parameters" /v "MaxNumRssThreads" /t REG_DWORD /d "%Threads%" /f       
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "MaxNumRssThreads" /t REG_DWORD /d "%Threads%" /f

 

[garlin]

%%[letter] isn't a persistent variable, it disappears after the for-loop is exited. You must use it immediately, or copy its value to another named variable.

 

[shoober420]

I think im starting to get it.

for /f %%t in ('wmic cpu get NumberOfLogicalProcessors /value ^| find "="') do (
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Ndis\Parameters" /v "MaxNumRssThreads" /t REG_DWORD /d "%%t" /f       
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "MaxNumRssThreads" /t REG_DWORD /d "%%t" /f
)

Im going to try this and see if it works.

 

[shoober420]

dang it, thats not it either. i could just use the %Threads% method and call it a day, but i would like to know how to do it the way im trying to do. or maybe its not possible using %%X method @garlin?

 

[garlin]

You should probably brush up on CMD scripting, %%t is correctly carried thru the loop, but you removed the parsing instructions.

for /f "tokens=2 delims=^=" %%t in ('wmic cpu get NumberOfLogicalProcessors /value ^| find "="') do (
   echo reg add 1 %%t
   echo reg add 2 %%t
)

 

[shoober420]

Thank you for your patience and lessons. I believe i understand this now. The token instruction correlates with how many variables (%%X) are in the whole code string. The delims instruction will connect whats in the brackets to the %%X variable.

 

[shoober420]

It appears its not working @garlin, Im still getting an error when using this code.

for /f "tokens=2 delims=^=" %%t in ('wmic cpu get NumberOfLogicalProcessors /value ^| find "="') do (
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Ndis\Parameters" /v "MaxNumRssThreads" /t REG_DWORD /d %%t /f  
reg add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "MaxNumRssThreads" /t REG_DWORD /d %%t /f
)

PAUSE

C:\Windows\System32>(
 /f add   KLM\SYSTEM\CurrentControlSet\Services\Ndis\Parameters" /v "MaxNumRssThreads" /t REG_DWORD /d 8
 /f  add "HKLM\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters" /v "MaxNumRssThreads" /t REG_DWORD /d 8
)
ERROR: Invalid syntax. Specify valid numeric value for '/d'.
Type "REG ADD /?" for usage.
ERROR: Invalid syntax. Specify valid numeric value for '/d'.
Type "REG ADD /?" for usage.

 

[shoober420]

Ok, so when i add the echo string, it doesnt add it to registry, it just spits out the whole registry key as is without adding it to registry. removing echo gives the error posted above. im really not entirely sure whats going on.

 

[shoober420]

i see that tokens= does correlate with how many code strings are inside the brackets seperated by the pipe, and i also saw that delims= is how the value is written for the %%t variable when playing around with the code to get it to work. i still cant figure out why it doesnt write to the registry though. echo seems like it shouldnt be used since it just spits out what comes after it and doesnt actually execute what comes thereafter. im completely lost.

 

[shoober420]

someone on stack overflow was able to get a working string.

@For /F "Tokens=2 Delims==" %%G In ('%SystemRoot%\System32\wbem\WMIC.exe CPU Get NumberOfLogicalProcessors /Value 2^>NUL ^| %SystemRoot%\System32\find.exe "="') Do @For /F %%H In ("%%G") Do @For %%I In (Ndis Tcpip) Do @%SystemRoot%\System32\reg.exe Add "HKLM\SYSTEM\CurrentControlSet\Services\%%I\Parameters" /V "MaxNumRssThreads" /T REG_DWORD /D %%H /F 1>NUL

the network tweak script is now complete. im going to finally share it