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android如何分析进程被杀问题


Crash

tagNum关键字参数说明简要说明
30039am_crash(User|1|5),(PID|1|5),(Process Name|3),(Flags|1|5),(Exception|3),(Message|3),(File|3),(Line|1|5)# Unhandled exception

ANR

tagNum关键字参数说明简要说明
30008am_anr(User|1|5),(pid|1|5),(Package Name|3),(Flags|1|5),(reason|3)# Application Not Responding

am_proc_died

tagNum关键字参数说明简要说明
30011am_proc_died(User|1|5),(PID|1|5),(Process Name|3),(OomAdj|1|5),(ProcState|1|5)# Application process died
30023am_kill(User|1|5),(PID|1|5),(Process Name|3),(OomAdj|1|5),(Reason|3)# Kill a process to reclaim memory.
frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java
frameworks/base/services/core/java/com/android/server/am/ProcessRecord.java
frameworks/base/core/java/android/app/ApplicationExitInfo.java

  • 上面是明显的crash、anr,相关ApplicationExitInfo.REASON_ANRApplicationExitInfo.REASON_CRASH
  • 有时只有am_proc_diedwm_finish_activity

案例

crash\anr

低内存查杀(LowMemoryKiller)

CPU占用率过高

am_kill : [0,22157,com.ximalaya.ting.android,900,excessive cpu 16720 during 300044 dur=2221553 limit=2]
ActivityManager: Killing 22157:com.ximalaya.ting.android/u0a239 (adj 900): excessive cpu 16720 during 300044 dur=2221553 limit=2
Zygote : Process 22157 exited due to signal 9 (Killed)

进程自己退出

正常查杀

installPackageLI/ deletePackageX等查杀关联进程

Signal 9自杀

09-07 16:53:03.027 1000 2566 2582 I Process : Sending signal. PID: 2566 SIG: 9
09-07 16:53:03.154 root 681 681 I Zygote : Process 2566 exited due to signal 9 (Killed)
09-07 16:53:03.167 1000 1734 4006 I ActivityManager: Process com.android.systemui (pid 2566) has died: pers PER

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