Can't find the Performance Explorer in my VS

Can't find the Performance Explorer in my VS

Hi do i need to install something to get the Performance Explorer?
because i doesn't have any of the Menupoints where i can open this Tool,
so please tell me what i miss.
Version:
Microsoft Visual Studio 2010
Version 10.0.40219.1 SP1Rel
Microsoft .NET Framework
Version 4.5.50709 SP1Rel
Installierte Version: Professional
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