Android 常用 Dump命令

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已于 2025-04-12 11:12:50 修改 · 969 阅读

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于 2023-08-21 22:56:21 首次发布

本文介绍了Android系统中的dumpsys命令，它是用于获取系统服务详细信息的工具，包括Activity管理、音频、电源、定位等服务的调试和日志查看。dumpsys还支持与应用层交互，通过Binder传递指令。

dumpsys为系统BIN文件（类似常用命令有：cut/input/install/am/pm/tcpdump/mountd）在/system/bin/目录
系统源码：

frameworks/native/cmds/dumpsys

usage: dumpsys
         To dump all services.
or:
       dumpsys [-t TIMEOUT] [--priority LEVEL] [--help | -l | --skip SERVICES | SERVICE [ARGS]]
         --help: shows this help
         -l: only list services, do not dump them
         -t TIMEOUT_SEC: TIMEOUT to use in seconds instead of default 10 seconds
         -T TIMEOUT_MS: TIMEOUT to use in milliseconds instead of default 10 seconds
         --proto: filter services that support dumping data in proto format. Dumps
               will be in proto format.
         --priority LEVEL: filter services based on specified priority
               LEVEL must be one of CRITICAL | HIGH | NORMAL
         --skip SERVICES: dumps all services but SERVICES (comma-separated list)
         SERVICE [ARGS]: dumps only service SERVICE, optiona