app專項效能測試 獲取手機cpu 記憶體 流量

1、cpu獲取

// 獲取手機指定packagename的cpu佔比

public static string getcpu(string packagename) 
bufferedreader in = new bufferedreader(new inputstreamreader(proc.getinputstream()));
stringbuffer stringbuffer = new stringbuffer();
string line = null;
while ((line = in.readline()) != null) 
string str1 = stringbuffer.tostring();
//                system.out.println("返回是#####"+str1);
// 以空格區分正則
string toks = str1.split(" +");
/// /            string str2 = str1.substring(str1.indexof(" " + packagename) - 46, str1.indexof(" " + packagename));
cpu = toks[4];
//                system.out.println("當前程序的cpu占用是*** " + cpu );
} catch (interruptedexception e)  finally  catch (exception e2) 
}} catch (exception stringindexoutofbound***ception) 
return cpu;
}

adb shell dumpsys meminfo|grep packagename

public static double getmemory(string packagename) 

bufferedreader in = new bufferedreader(new inputstreamreader(proc.getinputstream()));
stringbuffer stringbuffer = new stringbuffer();
string line = null;
while ((line = in.readline()) != null) 
string str1 = stringbuffer.tostring();
string str2 = str1.substring(str1.indexof(": "+packagename) - 12, str1.indexof(": "+packagename)).trim();
string str3 = str2.substring(0, str2.indexof("k"));
str3 = str3.trim().replace(",","");
heap = double.parsedouble(str3) / 1024;
decimalformat df = new decimalformat("#.000");
string memory = df.format(heap);
heap = double.parsedouble(memory);
system.out.println(heap + "mb");
} catch (interruptedexception e)  finally  catch (exception e2) }}
catch (exception stringindexoutofbound***ception) 
return heap;
}

下面通過時間查計算流量，兩次獲取流量除以時間（下面用的是1秒，所以得到的每秒消耗流量 kbps/s）

public static double getflowaction(string packagename) 

bufferedreader in = new bufferedreader(new inputstreamreader(proc.getinputstream()));
stringbuffer stringbuffer = new stringbuffer();
string line = null;
while ((line = in.readline()) != null) 
string str1 = stringbuffer.tostring();
string str2 = str1.substring(str1.indexof("wlan0:"), str1.indexof("wlan0:") + 100);
//                system.out.println("先獲取的句子  " + str2);
//              空格分成字串陣列取第2個，第10個數，分別是傳送流量和接受流量
string toks = str2.split(" +");
string str4 = toks[1];
string str6 = toks[9];
int b = integer.parseint(str4);
int a = integer.parseint(str6);
double sendflow = a / 1024 ;
double revflow = b / 1024 ;
flowaction = sendflow + revflow;
system.out.println("當前應用使用流量為： " + flowaction + "kbps");
} catch (interruptedexception e)  finally  catch (exception e2) 
}} catch (exception stringindexoutofbound***ception) 
return flowaction;
}public static double getflow()  catch (interruptedexception e) 
flow = flowafter - flowbefore;
return flow;
}

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