Xcode 8 中的奇怪终端消息

Question

最近，我已将 Xcode 版本更新为 8。当我开始运行一个全新的项目时，我在终端中收到以下消息。

2016-09-07 15:28:43.759998 App[7932:128675] subsystem: com.apple.UIKit,     
category: HIDEventFiltered, enable_level: 0, persist_level: 0, 
default_ttl:     0, info_ttl: 0, debug_ttl: 0, generate_symptoms: 0,
enable_oversize: 1,   privacy_setting: 2, enable_private_data: 0
2016-09-07 15:28:43.762544 App[7932:128675] subsystem: com.apple.UIKit,     
category: HIDEventIncoming, enable_level: 0, persist_level: 0, 
default_ttl: 0, info_ttl: 0, debug_ttl: 0, generate_symptoms: 0,    
enable_oversize: 1, privacy_setting: 2, enable_private_data: 0
2016-09-07 15:28:43.790817 App[7932:128648] subsystem:   
com.apple.BaseBoard, category: MachPort, enable_level: 1,   
persist_level: 0, default_ttl: 0, info_ttl: 0, debug_ttl: 0, 
generate_symptoms: 0, enable_oversize: 0, privacy_setting: 0,  
enable_private_data: 0
2016-09-07 15:28:43.827962 App[7932:128496] subsystem: com.apple.UIKit,   
category: StatusBar, enable_level: 0, persist_level: 0, default_ttl: 0, 
info_ttl: 0, debug_ttl: 0, generate_symptoms: 0, enable_oversize: 1, 
privacy_setting: 2, enable_private_data: 0
2016-09-07 15:28:43.998975 App[7932:128496] subsystem: 
com.apple.BackBoardServices.fence, category: App, enable_level: 1, 
persist_level: 0, default_ttl: 0, info_ttl: 0, debug_ttl: 0, 
generate_symptoms: 0, enable_oversize: 0, privacy_setting: 0,    
enable_private_data: 0

谁能解释一下这些 mean/why 它们是什么？

PS：我从来没有收到过 Xcode 7.

的此类消息

Answer 1

转到 产品 => 方案 => 编辑方案 或使用快捷方式：CMD + <

将 OS_ACTIVITY_MODE 添加为 disable

我使用这个答案：来自@iDevzilla 的来解决这个问题：

Try this: On your Environment Variables set OS_ACTIVITY_MODE = disable

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