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Reproduction: Choose "Check for updates" dialog Wait for the process to not find updates. observe that the focus on the focus on the "Finish" button blinks. Close the dialog. Observe that 100% of the processor goes to netbeans (on a dual core machine). Product Version = NetBeans IDE Dev (Build 201012040001) Operating System = Linux version 2.6.35-22-generic-pae running on i386 (ubuntu 10.10) Java; VM; Vendor = 1.6.0_22 Runtime = Java HotSpot(TM) Client VM 17.1-b03
Could you please generate thread-dump at the time of 100% processor is occupied by NB ? http://wiki.netbeans.org/GenerateThreadDump
Or rather provide profiler snapshot: http://wiki.netbeans.org/FitnessViaPartnership
Created attachment 103717 [details] profiler snapshot snapshot you requested
(In reply to comment #3) > Created an attachment (id=103717) [details] > profiler snapshot > > snapshot you requested btw. I am runnging the latest build (201012070001), win7 64bit
There is ~200 invocations of org.netbeans.core.TimableEventQueue.tick() most of the time is spend in collecting stack trace. I disabled that in ergonomics#9687fa99b383
Integrated into 'main-golden', will be available in build *201012100001* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main/rev/9687fa99b383 User: Jaroslav Tulach <jtulach@netbeans.org> Log: #192886: Don't collect invocation stacktraces
The previous fix was not correct, this one is better: ergonomics#6a04259e1d80
Integrated into 'main-golden', will be available in build *201211030001* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-golden/rev/6a04259e1d80 User: Jaroslav Tulach <jtulach@netbeans.org> Log: #192886: Really don't collect stacktraces