Detailed explanation of ADB shell top command

One . Use adb shell command :

adb shell top -m 10 -s 9

Two . explain

Tasks: 552 total,   1 running, 510 sleeping,   0 stopped,   0 zombie  
 Mission ( process )  System now shared 552 A process , Some of them are in operation 1 individual ,510 Sleeping （sleep）,stoped There are 0 individual ,zombie state （ Corpse ） There are 0 individual .

Mem:   5849960k total,  4014628k used,  1835332k free,     5756k buffers    
 Memory status :  Total physical memory  (5.6G)   Total memory in use    Total free memory   Amount of memory cached 
1TB=1024GB ,1GB=1024MB ,1MB=1024KB ,1KB=1024 byte .

Swap:  2293756k total,  1039804k used,  1253952k free,   918600k cached  
swap Swap partition :  Total exchange area    Total swap area used    k free    Total number of swap buffers buffered 

 If you are used to calculating the available memory , Here is an approximate formula ：
Mem Of free + Mem Of buffers + Swap Of cached
 According to this formula, the available memory of this server ：1835332k + 5756k + 918600k = 2759688k( about 2.6G)

800%cpu  13%user   0%nice  31%sys 756%idle   0%iow   0%irq   0%sirq   0%host    
cpu state   
800%cpu -- CPU Total amount 
13%user --  User space occupancy CPU Percent of .
0%nice --  Change the priority of the process occupied CPU Percent of 
31%sys --  Kernel space footprint CPU Percent of 
756%idle --  Free CPU percentage 
0%iow  --  IO Waiting for occupation CPU Percent of 
0%irq --  Hard interrupt （Hardware IRQ） Occupy CPU Percent of 
0%sirq --   Soft interrupt （Software Interrupts） Occupy CPU Percent of 
0%host -- 

[7m  

PID —  process id
USER —  Process owner 
PR —  Process priority 
NI — nice value . Negative value indicates high priority , A positive value indicates a low priority 
VIRT —  Total virtual memory used by the process , Company kb.VIRT=SWAP+RES
RES —  Used by process 、 Physical memory size not swapped out , Company kb.RES=CODE+DATA
SHR —  Shared memory size , Company kb
S —  Process status .D= Uninterrupted sleep  R= function  S= sleep  T= track / stop it  Z= Zombie process 
%CPU —  Last updated to now CPU Percentage of time used 
%MEM —  Percentage of physical memory used by the process 
TIME+ —  Used by process CPU Total time , Company 1/100 second 
COMMAND —  Process name （ Command name / Command line ）

3、 ... and . Be careful :

If you use adb shell top -m 10 -s cpu The following error will be reported : top: not integer: cpu

The thought of adb top --help command

top [-Hbq] [-k FIELD,] [-o FIELD,] [-s SORT] [-n NUMBER] [-m LINES] [-d SECONDS] [-p PID,] [-u USER,]

Show process activity in real time.

-H      Show threads
-k      Fallback sort FIELDS (default -S,-%CPU,-ETIME,-PID)
-o      Show FIELDS (def PID,USER,PR,NI,VIRT,RES,SHR,S,%CPU,%MEM,TIME+,CMDLINE)
-O      Add FIELDS (replacing PR,NI,VIRT,RES,SHR,S from default)
-s      Sort by field number (1-X, default 9)
-b      Batch mode (no tty)
-d      Delay SECONDS between each cycle (default 3)
-m      Maximum number of tasks to show
-n      Exit after NUMBER iterations
-p      Show these PIDs
-u      Show these USERs
-q      Quiet (no header lines)

 so , my adb shell top -s The command only supports 0-X Numbers , Default 9, Guess respectively refers to 

0  ,1   ,3 ,4 ,5   ,6  ,7  ,8,9   ,10  ,11   ,12
PID,USER,PR,NI,VIRT,RES,SHR,S,%CPU,%MEM,TIME+,CMDLINE

 among ,9 It just represents cpu