SPDiagnosticsBlockingQueryProvider class

Looks for and records SQL Queries that are blocking other SQL queries in all databases in the system.

Namespace:  Microsoft.SharePoint.Diagnostics
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)

[SharePointPermissionAttribute(SecurityAction.LinkDemand, ObjectModel = true)]
public sealed class SPDiagnosticsBlockingQueryProvider : SPDiagnosticsSqlProvider

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.