Web Apps/VM Diagnostics - WAD (classic) Test

Azure Diagnostics is the capability within Azure that enables the collection of diagnostic data on a deployed application. You can use the diagnostics extension from a number of different sources. Currently supported are Azure Cloud Service Web and Worker Roles, Azure Virtual Machines running Microsoft Windows and Service Fabric.

This test is disabled by default. To enable the test, go to the enable / disable tests page using the menu sequence : Agents -> Tests -> Enable/Disable, pick Microsoft Azure as the Component type, Performance as the Test type, choose this test from the disabled tests list, and click on the < button to move the test to the ENABLED TESTS list. Finally, click the Update button.

Target of the Test: Microsoft Azure

Agent deploying the test: A remote agent

Output of the test: One set of results for each Storage account:cloud service of the target Microsoft Azure being monitored

First-level Descriptor: Storage account

Second-level Descriptor: Cloud service

Measures reported by the test
Measurement Description Measurement Unit Interpretation

Total errors

Indicates the total number of errors encountered by this cloud service.


Ideally, the value of this measure should be zero.


Indicates the total number of requests made to this cloud service.



Processor time

Indicates the percentage of time taken to process the requests for this cloud service.


A high value for this measure may indicate performance bottlenecks or may indicate that the cloud service is inaccessible.

Total bytes

Indicates the total number of bytes in this cloud service.



Queued requests

Indicates the number of requests that are queued to this cloud service.



Rejected requests

Indicates the number of requests that were rejected to this cloud service during the last execution of the test.



Available memory

Indicates the amount of memory that is available for this cloud service.



ISAPI extension requests

Indicates the number of ISAPI extension requests received on this cloud service.