Android debug functions

最新推荐文章于 2025-05-02 15:40:29 发布

WangMark

最新推荐文章于 2025-05-02 15:40:29 发布

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分类专栏： Android开发

本文链接：https://blog.youkuaiyun.com/petib_wangwei/article/details/72831784

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本文详细介绍了Android系统中ActivityManagerService类的相关方法，包括堆栈跟踪文件的配置、进程堆栈跟踪的转储过程及内存使用情况报告等内容。此外还涉及了ProcessCpuTracker和Debug类的使用。

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In frameworks/base/services/core/java/com/android/server/am/ActivityManagerService.java

5174    /**
5175     * If a stack trace dump file is configured, dump process stack traces.
5176     * @param clearTraces causes the dump file to be erased prior to the new
5177     *    traces being written, if true; when false, the new traces will be
5178     *    appended to any existing file content.
5179     * @param firstPids of dalvik VM processes to dump stack traces for first
5180     * @param lruPids of all dalvik VM processes alive in an lru list // fosmod_fwk_crash_log_collection oneline
5181     * @param nativeProcs optional list of native process names to dump stack crawls
5182     * @return file containing stack traces, or null if no dump file is configured
5183     */
5184    public static File dumpStackTraces(boolean clearTraces, ArrayList<Integer> firstPids,
5185            ProcessCpuTracker processCpuTracker, SparseArray<Boolean> lastPids, String[] nativeProcs)

void reportMemUsage(ArrayList<ProcessMemInfo> memInfos)

15380    final void dumpApplicationMemoryUsage(FileDescriptor fd,
15381            PrintWriter pw, String prefix, String[] args, boolean brief, PrintWriter categoryPw)

15189    final void dumpDbInfo(FileDescriptor fd, PrintWriter pw, String[] args)

dumpActivitiesLocked
dumpActivity
dumpActivity
dumpApplicationMemoryUsage
dumpApplicationMemoryUsageHeader
dumpAssociationsLocked
dumpBroadcastsLocked
dumpDbInfo
dumpGraphicsHardwareUsage
dumpHeap
dumpMemItems
dumpOomLocked
dumpPendingIntentsLocked
dumpProcessList
dumpProcessOomList
dumpProcessesLocked
dumpProcessesToGc
dumpProvider
dumpProvidersLocked
dumpRecentsLocked
dumpStackTraces
dumpStackTraces

reportMemUsage

ProcessCpuTracker.java

Debug.java

Debug.dumpNativeBacktraceToFile(

Process.sendSignal
Process.getPidsForCommands

FileObserver.java

/system/core/debuggerd/

BatteryStatsHelper.java

fosmod_fwk_crash_log_collection