zoukankan      html  css  js  c++  java
  • Android 性能分析工具dumpsys的使用(自己增加一部分在后面)

    Android提供的dumpsys工具可以用于查看感兴趣的系统服务信息与状态,手机连接电脑后可以直接命令行执行adb shell dumpsys 查看所有支持的Service但是这样输出的太多,可以通过dumpsys | grep "DUMP OF SERVICE" 仅显示主要的Service的信息

    一、列出dumpsys所有支持命令

    1
    2
    > adb shell 
    $ dumpsys | grep "DUMP OF SERVICE"

    以下是在三星S3手机上的输出信息

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38
    39
    40
    41
    42
    43
    44
    45
    46
    47
    48
    49
    50
    51
    52
    53
    54
    55
    56
    57
    58
    59
    60
    61
    62
    63
    64
    65
    66
    67
    68
    69
    70
    71
    72
    73
    74
    75
    76
    77
    78
    79
    80
    81
    82
    83
    84
    85
    86
    87
    88
    89
    90
    91
    92
    93
    94
    95
    96
    97
    98
    99
    100
    101
    102
    103
    104
    105
    106
    107
    108
    C:WindowsSystem32>adb shell 
    shell@m:/ $ dumpsys | grep "DUMP OF SERVICE" 
    dumpsys | grep "DUMP OF SERVICE" 
    DUMP OF SERVICE AtCmdFwd: 
    DUMP OF SERVICE CustomFrequencyManagerService: 
    DUMP OF SERVICE DirEncryptService: 
    DUMP OF SERVICE Exynos.HWCService: 
    DUMP OF SERVICE Exynos.IPService: 
    DUMP OF SERVICE FMPlayer: 
    DUMP OF SERVICE LEDService: 
    DUMP OF SERVICE SecTVOutService: 
    DUMP OF SERVICE SurfaceFlinger: 
    DUMP OF SERVICE TvoutService_C: 
    DUMP OF SERVICE accessibility: 
    DUMP OF SERVICE account: 
    DUMP OF SERVICE activity: 
    DUMP OF SERVICE alarm: 
    DUMP OF SERVICE android.security.keystore: 
    DUMP OF SERVICE application_policy: 
    DUMP OF SERVICE appops: 
    DUMP OF SERVICE appwidget: 
    DUMP OF SERVICE audio: 
    DUMP OF SERVICE backup: 
    DUMP OF SERVICE battery: 
    DUMP OF SERVICE batteryinfo: 
    DUMP OF SERVICE bluetooth_manager: 
    DUMP OF SERVICE bluetooth_secure_mode_manager: 
    DUMP OF SERVICE clipboard: 
    DUMP OF SERVICE clipboardEx: 
    DUMP OF SERVICE commontime_management: 
    DUMP OF SERVICE connectivity: 
    DUMP OF SERVICE container_service: 
    DUMP OF SERVICE content: 
    DUMP OF SERVICE country_detector: 
    DUMP OF SERVICE cpuinfo: 
    DUMP OF SERVICE dbinfo: 
    DUMP OF SERVICE device_policy: 
    DUMP OF SERVICE devicestoragemonitor: 
    DUMP OF SERVICE diskstats: 
    DUMP OF SERVICE display: 
    DUMP OF SERVICE dreams: 
    DUMP OF SERVICE drm.drmManager: 
    DUMP OF SERVICE dropbox: 
    DUMP OF SERVICE edmnativehelper: 
    DUMP OF SERVICE enterprise_license_policy: 
    DUMP OF SERVICE enterprise_policy: 
    DUMP OF SERVICE entropy: 
    DUMP OF SERVICE gfxinfo: 
    DUMP OF SERVICE hardware: 
    DUMP OF SERVICE harmony_eas_service: 
    DUMP OF SERVICE input: 
    DUMP OF SERVICE input_method: 
    DUMP OF SERVICE iphonesubinfo: 
    DUMP OF SERVICE isms: 
    DUMP OF SERVICE license_log_service: 
    DUMP OF SERVICE location: 
    DUMP OF SERVICE lock_settings: 
    DUMP OF SERVICE log_manager_service: 
    DUMP OF SERVICE mdm.remotedesktop: 
    DUMP OF SERVICE media.audio_flinger: 
    DUMP OF SERVICE media.audio_policy: 
    DUMP OF SERVICE media.camera: 
    DUMP OF SERVICE media.player: 
    DUMP OF SERVICE meminfo: 
    DUMP OF SERVICE motion_recognition: 
    DUMP OF SERVICE mount
    DUMP OF SERVICE multiwindow: 
    DUMP OF SERVICE netpolicy: 
    DUMP OF SERVICE netstats: 
    DUMP OF SERVICE network_management: 
    DUMP OF SERVICE nfc: 
    DUMP OF SERVICE nfccontroller: 
    DUMP OF SERVICE notification: 
    DUMP OF SERVICE package: 
    DUMP OF SERVICE permission: 
    DUMP OF SERVICE phone: 
    DUMP OF SERVICE phone_restriction_policy: 
    DUMP OF SERVICE phoneext: 
    DUMP OF SERVICE power: 
    DUMP OF SERVICE remoteinjection: 
    DUMP OF SERVICE samplingprofiler: 
    DUMP OF SERVICE samsung.smartfaceservice: 
    DUMP OF SERVICE scheduling_policy: 
    DUMP OF SERVICE search: 
    DUMP OF SERVICE sec_analytics: 
    DUMP OF SERVICE secontroller: 
    DUMP OF SERVICE sensorservice: 
    DUMP OF SERVICE serial: 
    DUMP OF SERVICE servicediscovery: 
    DUMP OF SERVICE simphonebook: 
    DUMP OF SERVICE sip: 
    DUMP OF SERVICE statusbar: 
    DUMP OF SERVICE telephony.registry: 
    DUMP OF SERVICE textservices: 
    DUMP OF SERVICE tvoutservice: 
    DUMP OF SERVICE uimode: 
    DUMP OF SERVICE updatelock: 
    DUMP OF SERVICE usagestats: 
    DUMP OF SERVICE usb: 
    DUMP OF SERVICE user: 
    DUMP OF SERVICE vibrator: 
    DUMP OF SERVICE voip: 
    DUMP OF SERVICE wallpaper: 
    DUMP OF SERVICE wfd: 
    DUMP OF SERVICE wifi: 
    DUMP OF SERVICE wifi_policy: 
    DUMP OF SERVICE wifip2p: 
    DUMP OF SERVICE window:

    二、具体命令如何查看帮助

    从上面可以看出Service非常多,“DUMP OF SERVICE”关键字后面的单词都可以直接通过 dumpsys + 单词 查看相关信息,具体每一个如何使用有一种通用的查看帮助的办法。

    查看每一个命令的使用帮助,以下以meminfo 为例演示:
    1
    2
    3
    4
    5
    6
    7
    shell@m:/ $ dumpsys meminfo -h 
    dumpsys meminfo -h 
    meminfo dump options: [-a] [--oom] [process] 
      -a: include all available information for each process. 
      --oom: only show processes organized by oom adj. 
    If [process] is specified it can be the name or 
    pid of a specific process to dump.

    三、一些关键命令解释


    名字功能
    account 显示accounts信息
    activity 显示所有的activities的信息
    cpuinfo显示CPU信息
    window显示键盘,窗口和它们的关系
    wifi 显示wifi信息
    batteryinfo $package_name电量信息及CPU 使用时长
    package packagename获取安装包信息
    usagestats每个界面启动的时间
    statusbar显示状态栏相关的信息
    meminfo
    内存信息(meminfo $package_name or $pid 
    使用程序的包名或者进程id显示内存信息)
    diskstats 磁盘相关信息
    battery 电池信息
    alarm显示Alarm信息
      

        dumpsys statusbar | grep notification=Notification 


    也可以单独列出某个系统服务的,比如battery,命令:dumpsys battery,如果想知道具体可以做哪些操作可:dumpsys battery -h来查看,比如我们想设置电量百分比,可以

    dumpsys battery set level 5。


  • 相关阅读:
    大数据技术栈,主要有哪些
    微服务海量日志监控平台
    Elastic APM安装
    Elasticsearch SSL认证/证书制作
    Elastic APM 上报数据分析与应用
    elasticsearch7.X x-pack破解
    Netty源码学习系列之5-NioEventLoop的run方法
    Netty源码学习系列之4-ServerBootstrap的bind方法
    Netty源码学习系列之3-ServerBootstrap的初始化
    Netty源码学习系列之2-NioEventLoopGroup的初始化
  • 原文地址:https://www.cnblogs.com/LoongEmbedded/p/5298181.html
Copyright © 2011-2022 走看看