Enhance troubleshooting guide for high CPU in IIS

[JawaharGaneshS]

Added information on collecting ETW tracing with Perfview and clarified data collection requirements.

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[JawaharGaneshS]

#sign-off

[prmerger-automator]

@JawaharGaneshS : Thanks for your contribution! The author(s) and reviewer(s) have been notified to review your proposed change. @jamesche75

[learn-build-service-prod]

Learn Build status updates of commit 8370803:

✅ Validation status: passed

File	Status	Preview URL	Details
support/developer/webapps/iis/site-behavior-performance/troubleshoot-high-cpu-in-iis-app-pool.md	✅Succeeded

For more details, please refer to the build report.

[rmca14]

CI created https://dev.azure.com/KMOps/ContentExperience/_workitems/edit/8425

[haywoodsloan]

Hi @JawaharGaneshS, I have recreated this PR in our internal repo (preferred for FTE updates): https://github.com/MicrosoftDocs/SupportArticles-docs-pr/pull/10266

Please use the new PR for further discussion and updates. This PR can now be closed. Thanks!

[learn-build-service-prod]

Learn Build status updates of commit 3a2ced5:

✅ Validation status: passed

File	Status	Preview URL	Details
support/developer/webapps/iis/site-behavior-performance/troubleshoot-high-cpu-in-iis-app-pool.md	✅Succeeded

For more details, please refer to the build report.

[learn-build-service-prod]

Learn Build status updates of commit e4271e8:

✅ Validation status: passed

File	Status	Preview URL	Details
support/developer/webapps/iis/site-behavior-performance/troubleshoot-high-cpu-in-iis-app-pool.md	✅Succeeded

For more details, please refer to the build report.

[prmerger-automator]

PRMerger Results

Issue	Description
File Change Percent	This PR contains file(s) with more than 30% file change.

[v-jerowe]

Hi @JawaharGaneshS, I have recreated this PR in our internal repo (preferred for FTE updates): MicrosoftDocs/SupportArticles-docs-pr#10266

Please use the new PR for further discussion and updates. This PR can now be closed. Thanks!

#please-close