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我在 GooglePlay ANR Crash log 中得到了这个异常，这个异常只发生在 Android 6.0 设备中。什么是“com.qualcomm.qti.Performance” 为什么我的代码中没有找到它？

java.lang.Error: FATAL EXCEPTION [FinalizerWatchdogDaemon]
    Unity version     : 2018.4.2f1
    Device model      : LeMobile Le X526
    Device fingerprint: Letv/Le2_WW/le_s2_ww:6.0.1/IIXOSOP5801910121S/44:user/release-keys
    Caused by
      at com.qualcomm.qti.Performance.native_deinit (Native Method)
      at com.qualcomm.qti.Performance.finalize (Performance.java:263)
      at java.lang.Daemons$FinalizerDaemon.doFinalize (Daemons.java:202)
      at java.lang.Daemons$FinalizerDaemon.run (Daemons.java:185)
      at java.lang.Thread.run (Thread.java:818)

编辑：

我找到了源代码： https ://pastebin.com/quBM3gVe https://github.com/dzo/frameworks_base/blob/master/core/jni/org_codeaurora_Performance.cpp

我发现了这个：https ://github.com/tbruyelle/RxPermissions/issues/189 有人得到几乎相同的崩溃日志

java.lang.UnsatisfiedLinkError: No implementation found for void com.qualcomm.qti.Performance.native_deinit() (试过 Java_com_qualcomm_qti_Performance_native_1deinit 和 Java_com_qualcomm_qti_Performance_native_1deinit__)

java.lang.UnsatisfiedLinkError: No implementation found for void com.qualcomm.qti.Performance.native_deinit() (tried Java_com_qualcomm_qti_Performance_native_1deinit and Java_com_qualcomm_qti_Performance_native_1deinit__)
             at com.qualcomm.qti.Performance.native_deinit(Native Method)
             at com.qualcomm.qti.Performance.finalize(Performance.java:263)
             at java.lang.Daemons$FinalizerDaemon.doFinalize(Daemons.java:222)
             at java.lang.Daemons$FinalizerDaemon.run(Daemons.java:209)
             at java.lang.Thread.run(Thread.java:762)

==== 更新 ====

这种异常形式FinalizerWatchdogDaemon所以异常概率是TimeoutException，大约是Android GC，Finalize()超时。但我仍然不知道发生了什么。

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