打印Android程序所占内存

项目中内存溢出，故关注程序内存使用情况

写了个打印内存使用情况的脚本：

 

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1. import java.io.BufferedReader;  
2. import java.io.BufferedWriter;  
3. import java.io.File;  
4. import java.io.FileWriter;  
5. import java.io.IOException;  
6. import java.io.InputStream;  
7. import java.io.InputStreamReader;  
8.   
9. public class CdMemoryReader {  
10.     BufferedWriter writer;  
11.   
12. /** 
13.  *  
14. * @Description: TODO 
15. * @param @param args  args[0] : process name  args[1]: execute time (int) args[2]: sleep time  (long) 
16. * @return void 
17. * @throws @param args 
18. * @date:2010/06/19 
19. * author: 
20.  */  
21.     public static void main(String args[]) {  
22.         final String brower= "brower";  
23.         final String mms= "mms";  
24.           
25.         long sleeptime = 2000;  
26.         int times  = 1000 ;  
27.         String procName = heco ;  
28.           
29.        // CdMemoryReader cdMemoryReader  = new CdMemoryReader() ;  
30.         System.out.println();  
31.         switch (args.length){  
32.             default :  
33.                 System.out.println("the args more than 3 is useless !");  
34.                 System.out.println();  
35.             case 3 :  
36.                 try{  
37.                     long sleepT = Long.parseLong(args[2]);  
38.                     sleeptime = sleepT < 1000 ? 1000 : sleepT ;  
39.                 }catch(NumberFormatException e){  
40.                     System.out.println("the args: " +args[2] + "is not a number .");  
41.                     System.exit(0);  
42.                 }  
43.             case 2 :  
44.                 try{  
45.                     int exectime = Integer.parseInt(args[1]);  
46.                     times = exectime <= 0 ? 1 : exectime ;  
47.                 }catch(NumberFormatException e){  
48.                     System.out.println("the args: " +args[1] + "is not a number .");  
49.                     System.exit(0);  
50.                 }  
51.             case 1 :  
52.                 String name = args[0];  
53.                      //这里可以不做判断 直接使用传入的参数 我们是特定打印  
54.                 if (name.contains(brower)) {  
55.                     procName = brower;  
56.                 }else if (name.contains(mms)){  
57.                     procName = mms;  
58.                 }else {  
59.                     System.out.println("the process name is wrong !!");  
60.                     System.exit(0);  
61.                 }    
62.             case 0 :  
63.                 System.out.println("proce name: " + procName);  
64.                 System.out.println();  
65.                 System.out.println("execute times: " + times);  
66.                 System.out.println();  
67.                 System.out.println("sleep time: " + sleeptime);  
68.                 System.out.println();  
69.                 new CdMemoryReader().cdAccess(sleeptime,times,20,procName);  
70.                 break ;  
71.         }  
72.           
73.     }  
74.   
75.     private void cdAccess(long time, int times, int lines,String procName) {  
76.   
77.         Runtime rt = Runtime.getRuntime();  
78.         StringBuffer buffer = new StringBuffer();  
79.         String title  = " PID      Vss      Rss      Pss      Uss  cmdline" ;  
80.         System.out.println(title);  
81.         try {  
82.             writer = new BufferedWriter(new FileWriter(new File("D:/log.txt")));  
83.             writer.write(title + "/n");  
84.         } catch (IOException e) {  
85.             // TODO Auto-generated catch block  
86.             e.printStackTrace();  
87.         }  
88.         int printTime = 1 ;  
89.         for (int i = 0; i < times; i++) {  
90.             try {  
91.                 String cmd = "adb shell procrank";  
92.                 buffer.delete(0, buffer.length());  
93.                 Process proc = rt.exec(cmd);  
94.                 InputStream stderr = proc.getInputStream();  
95.                 InputStreamReader isr = new InputStreamReader(stderr);  
96.                 BufferedReader br = new BufferedReader(isr);  
97.   
98.                 String line = null;  
99.                 int j = 0;  
100.                 while ((line = br.readLine()) != null) {  
101.                     if (j < lines) {  
102.                         if (line.contains(procName)){  
103.                             System.out.println(line + "  PrintTime : " + printTime+++ "  execute time : " + (i+1));  
104.                             buffer.append(line + "/n");  
105.                             break ;  
106.                         }  
107.                     }  
108.                     j++;  
109.                 }  
110. //              buffer.append("/n");  
111. //              buffer.append("/n");  
112.                 writer.write(buffer.toString());  
113.                 writer.flush();  
114. //              System.out.println("buffer.toString()" + buffer.toString());  
115.                   
116.             } catch (Throwable t) {  
117.                 t.printStackTrace();  
118.             }  
119.             try {  
120.                 Thread.sleep(time);  
121.             } catch (InterruptedException ie) {  
122.                 ie.printStackTrace();  
123.             }  
124.         }  
125.         try {  
126.             writer.close();  
127.         } catch (IOException e) {  
128.             // TODO Auto-generated catch block  
129.             e.printStackTrace();  
130.         }  
131.     }  
132. }  

 

 日志文件默认放在D盘

将uss 的数据获取 放在excel 中可以生成以下的图，更直观些

 

from:  http://blog.youkuaiyun.com/zhanghw0917/archive/2010/06/19/5680229.aspx