Xcode4.2保存文件非常慢/经常玩沙滩球

Question

我使用的是Lion / production版本的Xcode 4.2。以前版本的Xcode4运行得很好。

每次我保存一个文件，有时是随机的，沙滩球会显示5-10秒，没有明显的原因。

我使用subversion是为了它的价值。

我捕获了一个样本，它似乎就在这里的某个地方：

1775 Thread_791676   DispatchQueue_1: com.apple.main-thread  (serial)
+ 1775 ???  (in Xcode)  load address 0x103392000 + 0xeec  [0x103392eec]
+   1775 NSApplicationMain  (in AppKit) + 867  [0x7fff9684180c]
+     1775 -[NSApplication run]  (in AppKit) + 555  [0x7fff965c2682]
+       1775 -[IDEApplication sendEvent:]  (in IDEKit) + 366  [0x103c95b71]
+         1775 -[NSApplication sendEvent:]  (in AppKit) + 4282  [0x7fff9662c170]
+           1775 -[NSApplication _handleKeyEquivalent:]  (in AppKit) + 526  [0x7fff9673488d]
+             1775 -[NSMenu performKeyEquivalent:]  (in AppKit) + 281  [0x7fff96735c3a]
+               1775 CFRunLoopRunSpecific  (in CoreFoundation) + 230  [0x7fff8e744ae6]
+                 1775 __CFRunLoopRun  (in CoreFoundation) + 1724  [0x7fff8e7454dc]
+                   1775 _dispatch_main_queue_callback_4CF  (in libdispatch.dylib) + 308  [0x7fff8c3ba72a]
+                     1775 _dispatch_call_block_and_release  (in libdispatch.dylib) + 18  [0x7fff8c3b88ba]
+                       1775 __-[NSDocumentController(NSInternal) _onMainThreadInvokeWorker:]_block_invoke_3  (in AppKit) + 492  [0x7fff96995333]
+                         1775 __-[NSDocument performAsynchronousFileAccessUsingBlock:]_block_invoke_6  (in AppKit) + 94  [0x7fff96964cad]
+                           1775 -[IDEEditorDocument continueFileAccessUsingBlock:]  (in IDEKit) + 71  [0x103db69db]
+                             1775 -[NSDocument continueFileAccessUsingBlock:]  (in AppKit) + 227  [0x7fff96964898]
+                               1775 __-[NSDocument saveToURL:ofType:forSaveOperation:completionHandler:]_block_invoke_1  (in AppKit) + 845  [0x7fff96969702]
+                                 1775 -[NSDocument _fileCoordinator:coordinateReadingContentsAndWritingItemAtURL:byAccessor:]  (in AppKit) + 248  [0x7fff9697b25c]
+                                   1775 -[NSFileCoordinator(NSPrivate) _coordinateReadingItemAtURL:options:writingItemAtURL:options:error:byAccessor:]  (in Foundation) + 829  [0x7fff96471e65]
+                                     1775 -[NSFileCoordinator(NSPrivate) _invokeAccessor:orDont:thenRelinquishAccessClaimForID:]  (in Foundation) + 207  [0x7fff9646ea8d]
+                                       1775 __-[NSDocument saveToURL:ofType:forSaveOperation:completionHandler:]_block_invoke_7  (in AppKit) + 1313  [0x7fff96985c80]
+                                         1775 __-[NSDocument saveToURL:ofType:forSaveOperation:completionHandler:]_block_invoke_14  (in AppKit) + 502  [0x7fff9698535a]
+                                           1775 -[NSDocument _preserveContentsIfNecessaryAfterWriting:toURL:forSaveOperation:version:error:]  (in AppKit) + 286  [0x7fff9697b004]
+                                             1775 -[NSDocument _preserveContentsOfURL:forReason:comment:options:error:]  (in AppKit) + 335  [0x7fff96978c88]
+                                               1775 -[NSFileVersion(NSPrivate) _setDocumentInfo:]  (in Foundation) + 54  [0x7fff9648e905]
+                                                 1775 GSLibrarySetGenerationInfoValueForKey  (in GenerationalStorage) + 620  [0x7fff8eab60bf]
+                                                   1775 ipc_set_info_value  (in GenerationalStorage) + 250  [0x7fff8eaa714d]
+                                                     1775 mach_msg  (in libsystem_kernel.dylib) + 73  [0x7fff95131d71]
+                                                       1775 mach_msg_trap  (in libsystem_kernel.dylib) + 10  [0x7fff9513267a]

Answer 1

你的系统上有没有防病毒软件？我也有同样的问题，直到我关闭了防病毒保护。