Version: 2022.1
Analyzing profiler traces
了解 Unity 中的优化

Log files

Unity produces log files for the Editor, package manager, licensing, development players, and Hub. You can use these log files to understand where any problems happened in your application.

Unity adds all messages, warnings, and errors from the Console window to the log files. To add your own messages to the Console window, and the logs, use the Debug class.

Each operating system stores the log files in different locations. The default locations are outlined on this page, but you can also use certain command line arguments to control when and where Unity generates log files. For more information, see the Command line arguments documentation.

Note: Not all platforms support this feature. See platform specific documentation for further information.

Editor-related log locations

You can access the Editor logs from the console window. To do this, open a Console Window (menu: Window > General > Console) and select Open Editor Log from the Console window menu.

You can access the other logs by using your operating system’s file manager application.

Linux

Log type Log location
Editor ~/.config/unity3d/Editor.log
Package manager ~/.config/unity3d/upm.log
Licensing client ~/.config/unity3d/Unity/Unity.Licensing.Client.log
Licensing audits ~/.config/unity3d/Unity/Unity.Entitlements.Audit.log

macOS

On macOS, you can also access Unity’s logs via the Console.app utility

Log type Log location
Editor ~/Library/Logs/Unity/Editor.log
Package manager ~/Library/Logs/Unity/upm.log
Licensing client ~/Library/Logs/Unity/Unity.Licensing.Client.log
Licensing audits ~/Library/Logs/Unity/Unity.Entitlements.Audit.log

Windows

On Windows, the Package Manager and Editor logs are placed in folders which aren’t shown in the Windows Explorer by default. To view the AppData folder, you must enable the Hidden Items setting on Windows. For more information on how to do this, see Microsoft’s documentation on View hidden files and folders in Windows.

On Windows, a standard out stream doesn’t exist by default, so you must launch the Editor with a valid configured stdout stream, as a child process from a CI system. If you specify - to send output` tostdout`, then you won’t see the output in the console window.

Log type Log location
Editor %LOCALAPPDATA%\Unity\Editor\Editor.log
Package manager User account: %LOCALAPPDATA%\Unity\Editor\upm.log
SYSTEM account: %ALLUSERSPROFILE%\Unity\Editor\upm.log
Licensing client %LOCALAPPDATA%\Unity\Unity.Licensing.Client.log
Licensing audits %LOCALAPPDATA%\Unity\Unity.Entitlements.Audit.log
Crash files %TMP%\CompanyName\ProductName\Crashes

Note: You can overwrite the location of the folder location with the -crash-report-folder command line argument.

Player-related log locations

To view the Player log, open a Console Window (menu: Window > General > Console) and select Open Player Log from the Console window menu. You can also navigate to the following folder:

操作系统 Player log location
Android To access the Player log for an Android application, use Android logcat. For more information, see View Android logs.
iOS Use the GDB console, or the Organizer Console through XCode to access iOS device logs. For more information on device logs, see Apple’s documentation.
Linux ~/.config/unity3d/CompanyName/ProductName/Player.log
macOS ~/Library/Logs/Company Name/Product Name/Player.log

Note: You can also use the Console.app utility to find the log file.
通用 Windows 平台 %USERPROFILE%\AppData\Local\Packages\<productname>\TempState\UnityPlayer.log
WebGL Unity writes the log output to your browser’s JavaScript console.
Windows %USERPROFILE%\AppData\LocalLow\CompanyName\ProductName\Player.log

Unity Hub log locations

You can access the Hub logs by using your operating system’s file manager application. You can also access these logs from within the Hub. For more information, see Hub documentation.

操作系统 Player log location
Linux ~/.config/UnityHub/logs/info-log.json
macOS ~/Library/Application\ Support/UnityHub/logs/info-log.json
Windows %UserProfile%\AppData\Roaming\UnityHub\logs\info-log.json
Analyzing profiler traces
了解 Unity 中的优化
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