This bug was originally marked as duplicate of bug 216350, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related.
Build: NetBeans IDE Dev (Build nbms-and-javadoc-9445-on-20120921)
VM: Java HotSpot(TM) Client VM, 20.10-b01, Java(TM) SE Runtime Environment, 1.6.0_35-b10
OS: Windows 7
GUEST: start ide that open c++ project
Maximum slowness yet reported was 9173 ms, average is 9173
Created attachment 124779 [details]
Problem in the method: org.netbeans.modules.cnd.qnavigator.navigator.CppDeclarationNode.getIcon()
Method is called from EDT and can take a time.
fixed, change set:
Integrated into 'main-golden', will be available in build *201210260001* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress)
User: Alexander Simon <firstname.lastname@example.org>
Log: fixed Bug #218872 LowPerformance took 9173 ms.