后置拍照模式，连拍结束切其他模式，相机卡顿报错

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于 2023-12-06 15:09:27 发布 · 593 阅读

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#android

文章分析了一次Android应用ANR事件，涉及堆栈跟踪显示连拍时StorageService接口调用阻塞。调查发现存储硬件异常和CPU限频可能是原因，尤其是后者由于高温触发平台限频。后续将关注限频频率和发生概率以确定解决方案。

1、先看堆栈

----- pid 7101 at 2023-10-20 15:43:00.266360022+0800 -----

Cmd line: com.sec.android.app.camera

Build fingerprint: 'samsung/a04ser/a04:14/UP1A.231005.007/A045FXXU3DWJ3:user/release-keys'

ABI: 'arm64'

Build type: optimized

suspend all histogram:	Sum: 835.893ms 99% C.I. 0.027ms-139.059ms Avg: 6.429ms Max: 233.936ms

DALVIK THREADS (55):

"main" prio=5 tid=1 Native

  | group="main" sCount=1 ucsCount=0 flags=1 obj=0x72269f08 self=0xb400007ede047400

  | sysTid=7101 nice=-10 cgrp=default sched=0/0 handle=0x7edfc5a500

  | state=S schedstat=( 5009146051 5422999746 7529 ) utm=337 stm=163 core=0 HZ=100

  | stack=0x7fd9b09000-0x7fd9b0b000 stackSize=8188KB

  | held mutexes=

  native: #00 pc 000ede24  /apex/com.android.runtime/lib64<

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