TOC
Summary
The log of Application Insights contains information that seems to like a process ID of an Azure Functions instance, but that’s an Azure Functions process ID, isn’t it?

Prerequisites
- Azure Functions v3
Steps
Click Advanced Tools
in Azure Portal.

Click Process Explorer
in Kudu page.

A w3mp.exe
is your hosting Azure Functions’s process id.

w3wp.exe scm
isn’t Azure Functions process id. It’s kudu process.
Every Azure web site has an associated ‘scm’ service site, which runs both Kudu and other Site Extensions.
https://github.com/projectkudu/kudu/wiki/Accessing-the-kudu-service#overview
If your web site has URL http://mysite.azurewebsites.net/, then the root URL of the Kudu service is https://mysite.scm.azurewebsites.net/. Note the added scm token.