You accidentally WurstEclipse

[Frotty]

Yea. It's unuseable in it's current state. You did something very bad.
This error keeps popping up:

!ENTRY org.eclipse.ui 4 0 2013-03-23 16:15:49.775
!MESSAGE Unhandled event loop exception
!STACK 0
org.eclipse.swt.SWTException: Failed to execute runnable (java.lang.OutOfMemoryError: PermGen space)
    at org.eclipse.swt.SWT.error(SWT.java:4361)
    at org.eclipse.swt.SWT.error(SWT.java:4276)
    at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:138)
    at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4144)
    at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3761)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1029)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:923)
    at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:86)
    at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:588)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:543)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
    at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:353)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1438)
    at org.eclipse.equinox.launcher.Main.main(Main.java:1414)
Caused by: java.lang.OutOfMemoryError: PermGen space

!ENTRY org.eclipse.ui 4 0 2013-03-23 16:15:50.566
!MESSAGE Unhandled event loop exception
!STACK 0
java.lang.OutOfMemoryError: PermGen space

!ENTRY org.eclipse.ui 4 0 2013-03-23 16:15:50.566
!MESSAGE Error occurred during status handling
!STACK 0
java.lang.OutOfMemoryError: PermGen space

!ENTRY org.eclipse.ui 4 0 2013-03-23 16:15:51.610
!MESSAGE Unhandled event loop exception
!STACK 0
java.lang.OutOfMemoryError: PermGen space

!ENTRY org.eclipse.ui 4 0 2013-03-23 16:15:51.610
!MESSAGE Error occurred during status handling
!STACK 0
java.lang.OutOfMemoryError: PermGen space

!ENTRY org.eclipse.equinox.event 4 0 2013-03-23 16:16:09.493
!MESSAGE Exception while dispatching event org.osgi.service.event.Event [topic=org/eclipse/e4/ui/model/ui/ElementContainer/selectedElement/SET] to handler org.eclipse.e4.ui.services.internal.events.UIEventHandler@689750ee
!STACK 0
java.lang.OutOfMemoryError: PermGen space

and (probably as result) eclipse stops functioning properly, freezes, can't be closed, I can't write anything, everything is terribly slow etc.

Oh and it also seems to need high cpu power: