adb Loop output memory information to folder

while true;do cat proc/meminfo| grep Mem >> data/data/memtotal.txt;sleep 1;done

## Be careful  : >  Overwrites the last output 

1. common shell Command record

• View memory information

dumpsys meminfo

• Check the application startup time

adb logcat -c && adb logcat -f /mnt/sdcard/up.txt -s ActivityManager

-c    Clear the screen 

-f      Specify the run result output file , Default output to standard device （ It's usually a monitor 

-s    Set the default filter level to Silent

tag   Show only priority/tag

• Check battery information

dumpsys battery

• View memory details

adb shell cat /proc/meminfo

• View device node memory

adb shell df