SharePoint 2010 developer dashboard

The developer dashboard is an instrumentation framework.Developer Dahsboard contains an extensible mechanism for measuring various performance counters at various scopes.

The developer dashboard records and displays the performance statistics of the code that executed to produce the current page .

Developer Dashboard contains an extensible mechanism for measuring various performance counters at various scopes. Within Developer Dashboard, the following performance counters are used to monitor usage and resource consumption at each stage of the requests.

Per-threaded Counters:

These counters measure values for the current request or timer job:

• Thread execution time
• Number, duration, call stack information and query text of each SQL Server query generated by the page
• Number, duration, and call stack information of each WCF call
• URL or timer job name
• Current user
• Execution start time

The Developer Dashboard can be displayed in the following modes:

• On
  When enabled in On mode, the Dashboard is viewable on all pages that use the default master page.
• OnDemand
  When the Developer Dashboard is set to OnDemand mode, an icon is displayed on the top right side of the page. This icon allows the user to toggle the Dashboard on and off.

Run this command in powershell:

PS C:\Users\Administrator > stsadm -o setproperty -pn developer-dashboard -pv on

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