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Build: NetBeans IDE Dev (Build 20121203-fd5c87eca253) VM: Java HotSpot(TM) Client VM, 20.12-b01, Java(TM) SE Runtime Environment, 1.6.0_37-b06 OS: SunOS User Comments: GUEST: opening to no project GUEST: typed new text, auto help was trying to come up javydreamercsw: Attaching a patch to JIRA issue from IDE (Team>Export Patch) Maximum slowness yet reported was 35922 ms, average is 11823
Created attachment 128781 [details] nps snapshot
In many report, it is just slow I/O - few calls to disk block for ages. I have no idea what to do with them. But the report http://statistics.netbeans.org/exceptions/exception.do?id=633745 is different. Single call to org.netbeans.modules.project.ui.groups.DirectoryGroup.findProjects() 99.89654 25 783 ms (99,9%) 25 781 ms 1 yields 200 hundred calls to org.netbeans.modules.project.ui.groups.DirectoryGroup.processFolderChildren() 83.29606 21 499 ms (83,3%) 21 499 ms 200 that is indeed something that can be and should be moved outside of EDT. Two hundred queries to disk just can't be fast.
https://hg.netbeans.org/core-main/rev/7d541e5fff16 set main project action executes now in RP, including the prop change events fired and reacted upon in DirectoryGroup. Additionally since some group related methods are expensive (directory group iterating it's projects), I've added asserts on the usage, possible revealing other troubling spots.
and https://hg.netbeans.org/core-main/rev/4d0883ce8a42
Integrated into 'main-golden', will be available in build *201212060001* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-golden/rev/7d541e5fff16 User: Milos Kleint <mkleint@netbeans.org> Log: #223180 setting of main project to be performed outside of AWT (primarily because prop change event is fired and processed)
Integrated into 'main-golden', will be available in build *201212080001* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-golden/rev/4d0883ce8a42 User: Milos Kleint <mkleint@netbeans.org> Log: #223180 reacting to changes is to be done in awt (reconstruction of submenu)