Tuesday, 4 January 2011

Developer dashboard custom scoped monitoring

Problem: You have poor performing code how do you identify the bottleneck.
Initial Hypothesis: Use the SPMonitoredScope to determine how long code takes to execute.
Resolution: Turn on the developer dashboard, deploy your custom code that includes monitored code.
Exampleusing Microsoft.SharePoint.Utilities 
using (new SPMonitoredScope(“My Scope Name”))
{
   doSomeWork();    //  Shows in the ULS and the Developer dashboard
}
Tip: You can't use SPMonitorScope in sandbox solution code.  If you try us 'SPMonitorScope' your VS project won't compile and you will get the error: 'Microsoft.SharePoint.Utilities.SPMonitoredScope' is inaccessible due to its protection level.

More Info:
Post explaining how to turn on the developer dashboard
MSDN about using SPMonitorScope (like stopwatch in .NET)

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