Unity Profiler - zzragida/UnityDocs GitHub Wiki
Reference
Webplayer
Attach Unity Profiler
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Check the Development Build checkbox in Unity's Build Settings dialog and also open the Profiler windows before starting the Build.

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When the game is running is the webplayer, make sure that Release Channel is set to Development. Alt+right click on the web player to open the release channel selection menu.

Select OSXWebPlayer(YOUR COMPUTER NAME) or WindowsWebPlayer(YOUR COMPUTER NAME) as appropriate from the Profiler Window's Active Profiler drop-down menu.

iOS
Attach Unity Profiler
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Connect your iOS device to your WiFi network (local/adhoc WiFi network is used by profiler to send profiling data from device to the Unity Editor.)
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Check "Autoconnect Profiler" checkbox in Unity's build settings dialog.

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Attach your device to your Mac via cable and hit "Build & Run" in Unity Editor.
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When app launches on device open profiler window in Unity Editor.

Internal Profiler
- Build로 생성된 Xcode 프로젝트의 iPhone_Profiler.h 파일의 ENABLE_INTERNAL_PROFILER 수치를 1로 지정
- 프로젝트 Build & Run
Android
Attach Unity Profiler
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For WiFi profiling
- Make sure to disable Mobile Data on your Android device.
- Connect your Android device to your WiFi network.
- Check the "Autoconnect Profiler" checkbox in Unity's build settings dialog.

- Attach your device to your Mac/PC via cable and hit "Build & Run" in Unity Editor.
- When the app launches on the device, open the profiler window in Unity Editor.
- If the Unity Editor fails to autoconnect to the device, select the appropriate device from the Profiler Window Active Profiler drop down menu.

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For ADB profiling
- Attach your device to your Mac/PC via cable and make sure ADB recognizes the device (i.e. it shows in adb devices list).
- Check the "Autoconnect Profiler" checkbox in Unity's build settings dialog.

- When the app launches on the device, open the profiler window in Unity Editor.
- Select then AndroidProfiler([email protected]:54999) from then Profiler Window Active Profiler drop down menu.

Internal Profiler
- Enable "Enable Internal Profiler" in Other Settings

- Use logcat