Port App Insights content to Functions

Author: ggailey777

.openpublishing.redirection.json

@@ -7018,6 +7018,11 @@
             "redirect_url": "/azure/azure-functions/functions-event-grid-blob-trigger",
             "redirect_document_id": false
         },
+        {
+            "source_path_from_root": "/articles/azure-monitor/app/azure-functions-supported-features.md",
+            "redirect_url": "/azure/azure-functions/functions-monitoring",
+            "redirect_document_id": false
+        },
         {
             "source_path_from_root": "/articles/azure-government/documentation-government-k8.md",
             "redirect_url": "/azure/azure-government",

articles/azure-functions/configure-monitoring.md

@@ -195,7 +195,7 @@ You can exclude certain types of telemetry from sampling. In this example, data
 ```
 ---
 
-For more information, see [Sampling in Application Insights](../azure-monitor/app/sampling.md).
+If your project takes a dependency on the Application Insights SDK to do manual telemetry tracking, you may experience strange behavior if your sampling configuration differs from the sampling configuration in your function app. In such cases, use the same sampling configuration as the function app. For more information, see [Sampling in Application Insights](../azure-monitor/app/sampling.md).
 
 ## Enable SQL query collection
 

articles/azure-functions/functions-monitoring.md

@@ -18,6 +18,36 @@ As Application Insights instrumentation is built into Azure Functions, you need
 
 You can also monitor the function app itself by using Azure Monitor. To learn more, see [Monitoring Azure Functions with Azure Monitor](monitor-functions.md).
 
+## Supported features
+
+| Azure Functions                   | Version 1.x     | Version 2.x+ | 
+|-----------------------------------|---------------|------------------|
+| | | | 
+| **Automatic  collection of**        |               |                  |
+| • Requests                     | ✓           | ✓              |
+| • Exceptions                   | ✓           | ✓              |
+| • Performance Counters         | ✓           | ✓              |
+| • Dependencies                 |               |                  |
+|    — HTTP      |               | ✓              |
+|    — ServiceBus|               | ✓              |
+|    — EventHub  |               | ✓              |
+|    — SQL\*       |               | ✓              |
+| | | | 
+| **Supported features**              |               |                  |
+| • QuickPulse/LiveMetrics       | Yes           | Yes              | 
+|    — Secure Control Channel |               | Yes | 
+| • Sampling                     | Yes           | Yes              | 
+| • Heartbeats                   | | Yes              | 
+| | | |
+| **Correlation**                    |               |                  |
+| • ServiceBus                  |               | Yes              |
+| • EventHub                    |               | Yes              |
+| | | | 
+| **Configurable**                  |               |                  |           
+| •[Fully configurable](#custom-telemetry-data)           |               | Yes                 | 
+
+\* To enable the collection of SQL query string text, see [Enable SQL query collection](./configure-monitoring.md#enable-sql-query-collection).
+
 ## Application Insights pricing and limits
 
 You can try out Application Insights integration with Azure Functions for free featuring a daily limit to how much data is processed for free.
@@ -80,6 +110,10 @@ In addition to automatic dependency data collection, you can also use one of the
 + [Log custom telemetry in JavaScript functions](functions-reference-node.md#log-custom-telemetry) 
 + [Log custom telemetry in Python functions](functions-reference-python.md#log-custom-telemetry)
 
+### Performance Counters
+
+Automatic collection of Performance Counters isn't supported when running on Linux.
+
 ## Writing to logs 
 
 The way that you write to logs and the APIs you use depend on the language of your function app project.   

articles/azure-monitor/app/azure-functions-supported-features.md

@@ -1529,7 +1529,7 @@ items:
     - name: Endpoint overrides
       href: app/custom-endpoints.md
     - name: Azure Functions
-      href: app/azure-functions-supported-features.md
+      href: ../azure-functions/functions-monitoring.md
     - name: Statsbeat
       href: app/statsbeat.md
     - name: Release notes
@@ -1561,7 +1561,7 @@ items:
       - name: Context
         href: app/data-model-context.md
       - name: Integration with Azure Functions
-        href: app/azure-functions-supported-features.md
+        href: app/azure-functions-supported-features.md?toc=/azure/azure-monitor/toc.json
   - name: Azure PowerShell
     items:
     - name: Azure Monitor