1. system_info.sh
print system information, such as kernel, SOC, memory....

2. performance_info.sh
print system performance information, such as top, ps....
performance_info.sh name    : use a name
performance_info.sh         : will use time stamp as name

3. mem_info.sh
print system mem information, such as free....
mem_info.sh

4. set-performance-mode.sh
set-performance-mode.sh on     : set CPU to high performance mode
set-performance-mode.sh off    : set CPU to nomal mode


5. check system interrupts
cat /proc/interrupts

