Android性能专项测试之Batterystats
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Batterystats & Battery Historian Walkthrough
Battery Historian Charts
Android应用的耗电量统计
SupplicantState
Viewing Battery Use Data
batterystats使用条件
- 5.0以上系统
- battery-historian脚本
batterystats的启动
启动统计Battery数据的话,首先要初始化batterystats数据
adb kill-server> adb devices> adb shell dumpsys batterystats --reset
上面的操作执行完毕后,拔掉手机,操作你的App,操作完成后,重新连接手机,执行下面的命令,收集Battery数据: adb shell dumpsys batterystats > batterystats.txt
得到这些数据后,这个时候使用我们的battery-historian
来生成我们可见HTML报告: python historian.py batterystats.txt > batterystats.html
得到的报告如下:
Battery Historian指标
在Android性能专项测试之battery-historian试用 一文中已经介绍了一些属性,但是目前又增加很多,下面来看看新加属性的意义:
batterystats信息过滤
Battery History
电量相关数据的时间序列:
Battery History (0% used, 152 used of 256KB, 5 strings using 256): 0 (9) RESET:TIME: 2015-10-09-19-50-15 0 (2) 009 status=charging health=good plug=usb temp=324 volt=3683 +running +wake_lock +wifi_full_lock +audio +screen +plugged data_conn=lte phone_signal_strength=moderate brightness=bright +wifi_running +wifi wifi_signal_strength=4 wifi_suppl=completed top=u0a34:"com.google.android.googlequicksearchbox" 0 (2) 009 user=0:"0" 0 (2) 009 userfg=0:"0" +189ms (2) 009 volt=3660 +216ms (2) 009 volt=3688 +8s387ms (2) 009 +gps conn=3:"CONNECTED" +9s387ms (2) 009 -top=u0a34:"com.google.android.googlequicksearchbox" +9s387ms (2) 009 -gps +top=u0a130:"com.example.android.sunshine.app" +9s569ms (2) 009 +mobile_radio conn=3:"DISCONNECTED" +10s217ms (2) 009 volt=3577 +17s294ms (2) 009 volt=3619 +20s216ms (2) 009 volt=3576 +21s530ms (1) 009 +wifi_scan +22s801ms (1) 009 -wifi_scan +29s842ms (1) 009 -mobile_radio +30s252ms (2) 009 volt=3616
Per-PID Stats
每一个进程执行了多长的时间
Per-PID Stats: PID 0 wake time: +396ms PID 868 wake time: +1s682ms PID 1402 wake time: +539ms PID 0 wake time: +6s473ms PID 868 wake time: +3ms PID 1723 wake time: +166ms PID 4841 wake time: +11m1s479ms PID 19942 wake time: +271ms PID 868 wake time: +42ms PID 21564 wake time: +172ms PID 15488 wake time: +67ms PID 4841 wake time: +6s512ms PID 4841 wake time: +6s512ms PID 18217 wake time: +126ms PID 3876 wake time: +228ms PID 868 wake time: +20s440ms PID 16547 wake time: +23ms PID 22121 wake time: +288ms PID 22146 wake time: +59ms PID 16424 wake time: +485ms
Statistics since last charge
Statistics since last charge: System starts: 0, currently on battery: false Time on battery: 0ms (0.0%) realtime, 0ms (0.0%) uptime Time on battery screen off: 0ms (0.0%) realtime, 0ms (0.0%) uptime Total run time: 34s 134ms realtime, 34s 134ms uptime Start clock time: 2015-10-09-19-50-15 Screen on: 0ms (--%) 0x, Interactive: 0ms (--%) Screen brightnesses: (no activity) Connectivity changes: 2 Mobile total received: 0B, sent: 0B (packets received 0, sent 0) Phone signal levels: (no activity) Signal scanning time: 0ms Radio types: (no activity) Mobile radio active time: 0ms (--%) 0x Mobile radio active adjusted time: 0ms (--%) Wi-Fi total received: 0B, sent: 0B (packets received 0, sent 0) Wifi on: 0ms (--%), Wifi running: 0ms (--%) Wifi states: (no activity) Wifi supplicant states: (no activity) Wifi signal levels: (no activity) Bluetooth on: 0ms (--%) Bluetooth states: (no activity)
Estimated power use (mAh)
目前只能算比较粗略的估计,不能作为实际消耗数据,期待google更为精准的数据
Estimated power use (mAh): Capacity: 3220, Computed drain: -2444.11370879, actual drain: 0.00000000 Idle: 24.7 Uid u0a46: -0.01197222 Uid u0a100: -0.04600000 Uid u0a29: -0.07444444 Uid u0a118: -0.14044444 Uid u0a104: -0.73288889 Uid 1000: -2.12172492 Uid u0a14: -3.36807500 Uid u0a99: -3.78076692 Phone calls: -19.54370833 Cell standby: -107.36537361 Screen: -2331.64616000
Per-app mobile ms per packet
radio唤醒时间除以数据包发送次数,该时间越小代表性能越好,一个高效的App会将所有的流量转化为batches。
All partial wake locks
所有程序中wakelock,关注持续时间和数量
6.0的更新
试用了下6.0的batterystats,现在信息比5.0的更加全面,不但详细列举了不同app的耗电量,还把app中各个子模块的耗电量也输出了:
Estimated power use (mAh): Capacity: 3220, Computed drain: 1163, actual drain: 451-644 Screen: 361 Uid u0a99: 189 ( cpu=13.2 wake=0.000408 radio=102 wifi=6.35 gps=67.8 ) Uid u0a94: 127 ( cpu=6.99 wake=0.00528 radio=118 wifi=0.451 gps=0.181 sensor=0.836 ) Uid 0: 111 ( cpu=30.2 wake=5.13 radio=75.0 wifi=0.242 ) Cell standby: 79.8 ( radio=79.8 ) Uid u0a95: 63.7 ( cpu=10.9 wake=1.59 radio=50.0 wifi=0.0566 camera=1.15 ) Uid 1000: 61.1 ( cpu=59.9 wake=0.642 wifi=0.100 sensor=0.525 ) Uid u0a98: 22.2 ( cpu=0.261 wake=0.00395 radio=21.9 wifi=0.0817 ) Uid u0a100: 19.0 ( cpu=10.4 wake=0.00502 radio=7.90 wifi=0.624 gps=0.00150 sensor=0.0554 ) Uid u0a35: 14.3 ( cpu=14.0 wake=0.158 wifi=0.0804 ) Uid u0a15: 14.1 ( cpu=3.18 wake=1.72 radio=8.71 wifi=0.466 ) Uid u0a108: 13.9 ( cpu=3.23 radio=10.6 wifi=0.0228 ) Uid u0a103: 12.2 ( cpu=2.79 wake=0.00260 radio=8.11 wifi=0.811 gps=0.291 sensor=0.187 ) Uid u0a110: 10.8 ( cpu=0.910 radio=9.92 wifi=0.00682 ) Uid u0a105: 10.6 ( cpu=5.59 radio=4.95 wifi=0.0642 ) Idle: 9.40
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