Transferred from: http://www.cnblogs.com/penghong2014/p/6065838.html
1. First download historian.py script, download address: Https://github.com/google/battery-historian
2. Unzip the download and go to the D:\battery-historian-master\battery-historian-master\scripts directory
3. Perform the operation in this directory (CMD window opens here)
4. Implementation steps
1) First initialize the Batterystats data
adb shell Dumpsys batterystats--reset
2) After the above operation is finished, unplug the phone, operate your app, after the operation is complete, reconnect the phone, execute the following command, collect battery data:
adb shell Dumpsys batterystats > Batterystats.txt
3) After obtaining this data, use our Battery-historian to generate our visible HTML report at this time:
Python historian.py batterystats.txt > batterystats.html
4) Open this file in Google Chrome