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private static long getTotalCpuTime() { // 获取系统总CPU使用时间
String[] cpuInfos = null;
try {
BufferedReader reader = new BufferedReader(new InputStreamReader(
new FileInputStream("/proc/stat")), 1000);
String load = reader.readLine();
reader.close();
cpuInfos = load.split(" ");
} catch (IOException ex) {
ex.printStackTrace();
}
long totalCpu = Long.parseLong(cpuInfos[2])
+ Long.parseLong(cpuInfos[3]) + Long.parseLong(cpuInfos[4])
+ Long.parseLong(cpuInfos[6]) + Long.parseLong(cpuInfos[5])
+ Long.parseLong(cpuInfos[7]) + Long.parseLong(cpuInfos[8]);
return totalCpu;
}
private static long getAppCpuTime() { // 获取应用占用的CPU时间
String[] cpuInfos = null;
try {
int pid = android.os.Process.myPid();
BufferedReader reader = new BufferedReader(new InputStreamReader(
new FileInputStream("/proc/" + pid + "/stat")), 1000);
String load = reader.readLine();
reader.close();
cpuInfos = load.split(" ");
} catch (IOException ex) {
ex.printStackTrace();
}
long appCpuTime = Long.parseLong(cpuInfos[13])
+ Long.parseLong(cpuInfos[14]) + Long.parseLong(cpuInfos[15])
+ Long.parseLong(cpuInfos[16]);
return appCpuTime;
}