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社区首页 >专栏 >Android 抓取 ANR 日志终极办法

Android 抓取 ANR 日志终极办法

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技术小黑屋
发布于 2021-03-08 15:25:25
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发布于 2021-03-08 15:25:25
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文章被收录于专栏：技术小黑屋

在 Android 开发中，有时会遇到 ANR，一旦出现 ANR 我们就需要拿到对应的trace 文件来分析并解决。本文将介绍两种获取 ANR 的方法。

第一种

直接查看/data/anr/traces.txt的内容,如下

代码语言：javascript
复制
adb shell cat  /data/anr/traces.txt

或者类似使用拷贝到电脑上查看，比如

代码语言：javascript
复制
adb shell cp /data/anr/traces.txt /sdcard

adb pull /sdcard/traces.txt ./

但是这种方法在某些手机上由于权限原因，无法进行，就需要了使用下面的方法了。

第二种

这种方法就是进行adb bugreport，没有权限限制问题。具体步骤是

生成 bugreport 文件

代码语言：javascript
复制
adb bugreport

/data/user_de/0/com.android.shell/files/bugreports/bugreport-sailfish-QP1A.191005.007.A3-2021-01-12-15-30-21.zip: 1 file pulled, 0 skipped. 30.6 MB/s (3897489 bytes in 0.121s)

Bug report copied to /private/tmp/bugreport-sailfish-QP1A.191005.007.A3-2021-01-12-15-30-21.zip

进行解压文件

代码语言：javascript
复制
unzip bugreport-sailfish-QP1A.191005.007.A3-2021-01-12-15-32-54.zip

Archive:  bugreport-sailfish-QP1A.191005.007.A3-2021-01-12-15-32-54.zip

  inflating: version.txt

  inflating: proto/SurfaceFlinger_CRITICAL.proto

  inflating: proto/activity_CRITICAL.proto

  inflating: proto/window_CRITICAL.proto

  inflating: FS/data/anr/anr_2021-01-12-14-59-10-559

  inflating: FS/data/misc/recovery/last_log

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  inflating: FS/data/misc/recovery/ro.build.fingerprint

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  inflating: FS/data/misc/update_engine_log/update_engine.19700914-172433

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  inflating: lshal-debug/[email protected]::ICameraService_default.txt

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  inflating: lshal-debug/[email protected]::IBiometricsFingerprint_default.txt

  inflating: lshal-debug/[email protected]::IBluetoothAudioProvidersFactory_default.txt

  inflating: lshal-debug/[email protected]::IBluetoothHci_default.txt

  inflating: lshal-debug/[email protected]::IBootControl_default.txt

  inflating: lshal-debug/[email protected]::ICameraProvider_legacy_0.txt

  inflating: lshal-debug/[email protected]::IMediaCasService_default.txt

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  inflating: lshal-debug/[email protected]::ISurfaceFlingerConfigs_default.txt

  inflating: lshal-debug/[email protected]::ISurfaceFlingerConfigs_default.txt

  inflating: lshal-debug/[email protected]::IContexthub_default.txt

  inflating: lshal-debug/[email protected]::ICryptoFactory_clearkey.txt

  inflating: lshal-debug/[email protected]::ICryptoFactory_default.txt

  inflating: lshal-debug/[email protected]::ICryptoFactory_widevine.txt

  inflating: lshal-debug/[email protected]::IDrmFactory_clearkey.txt

  inflating: lshal-debug/[email protected]::IDrmFactory_default.txt

  inflating: lshal-debug/[email protected]::IDrmFactory_widevine.txt

  inflating: lshal-debug/[email protected]::ICryptoFactory_clearkey.txt

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  inflating: lshal-debug/[email protected]::ICryptoFactory_clearkey.txt

  inflating: lshal-debug/[email protected]::IDrmFactory_clearkey.txt

  inflating: lshal-debug/[email protected]::IGatekeeper_default.txt

  inflating: lshal-debug/[email protected]::IGnss_default.txt

  inflating: lshal-debug/[email protected]::IComposer_default.txt

  inflating: lshal-debug/[email protected]::IHealth_backup.txt

  inflating: lshal-debug/[email protected]::IHealth_default.txt

  inflating: lshal-debug/[email protected]::IKeymasterDevice_default.txt

  inflating: lshal-debug/[email protected]::ILight_default.txt

  inflating: lshal-debug/[email protected]::IComponentStore_software.txt

  inflating: lshal-debug/[email protected]::IOmx_default.txt

  inflating: lshal-debug/[email protected]::IOmxStore_default.txt

  inflating: lshal-debug/[email protected]::IMemtrack_default.txt

  inflating: lshal-debug/[email protected]::INfc_default.txt

  inflating: lshal-debug/[email protected]::INfc_default.txt

  inflating: lshal-debug/[email protected]::IPower_default.txt

  inflating: lshal-debug/[email protected]::IPower_default.txt

  inflating: lshal-debug/[email protected]::IOemHook_slot1.txt

  inflating: lshal-debug/[email protected]::IRadio_slot1.txt

  inflating: lshal-debug/[email protected]::ISap_slot1.txt

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  inflating: lshal-debug/[email protected]::ISap_slot1.txt

  inflating: lshal-debug/[email protected]::ISensors_default.txt

  inflating: lshal-debug/[email protected]::ISoundTriggerHw_default.txt

  inflating: lshal-debug/[email protected]::ISoundTriggerHw_default.txt

  inflating: lshal-debug/[email protected]::ISoundTriggerHw_default.txt

  inflating: lshal-debug/[email protected]::IThermal_default.txt

  inflating: lshal-debug/[email protected]::IThermal_default.txt

  inflating: lshal-debug/[email protected]::IUsb_default.txt

  inflating: lshal-debug/[email protected]::IUsb_default.txt

  inflating: lshal-debug/[email protected]::IVr_default.txt

  inflating: lshal-debug/[email protected]::ISupplicant_default.txt

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  inflating: lshal-debug/[email protected]::ISupplicant_default.txt

  inflating: lshal-debug/[email protected]::IWifi_default.txt

  inflating: lshal-debug/[email protected]::IAllocator_ashmem.txt

  inflating: lshal-debug/[email protected]::IBase_AtCmdFwdService.txt

  inflating: lshal-debug/[email protected]::IBase_ashmem.txt

  inflating: lshal-debug/[email protected]::IBase_backup.txt

  inflating: lshal-debug/[email protected]::IBase_clearkey.txt

  inflating: lshal-debug/[email protected]::IBase_legacy_0.txt

  inflating: lshal-debug/[email protected]::IBase_slot1.txt

  inflating: lshal-debug/[email protected]::IBase_software.txt

  inflating: lshal-debug/[email protected]::IBase_widevine.txt

  inflating: lshal-debug/[email protected]::ITokenManager_default.txt

  inflating: lshal-debug/[email protected]::INetd_default.txt

  inflating: lshal-debug/[email protected]::INetd_default.txt

  inflating: lshal-debug/[email protected]::IKeystore_default.txt

  inflating: lshal-debug/[email protected]::IAtCmdFwd_AtCmdFwdService.txt

  inflating: lshal-debug/[email protected]::IQcRilAudio_default.txt

  inflating: dumpstate_board.txt

  inflating: proto/activity.proto

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  inflating: bugreport-sailfish-QP1A.191005.007.A3-2021-01-12-15-32-54.txt

  inflating: main_entry.txt

  inflating: dumpstate_log.txt

查看 ANR stacktrace 文件

文件路径通常为FS/data/anr，具体可以根据日期来确定哪一个文件。

代码语言：javascript
复制
cat FS/data/anr/anr_2021-01-12-14-59-10-559
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目录
  • 第一种
  • 第二种
    • 生成 bugreport 文件
      • 进行解压文件
        • 查看 ANR stacktrace 文件
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