안드로이드 CPU Core 갯수 가져오기 (How to get the number of CPU cores)

/** * Gets the number of cores available in this device, across all processors. * Requires: Ability to peruse the filesystem at "/sys/devices/system/cpu" * @return The number of cores, or 1 if failed to get result */ private int getNumCores() { //Private Class to display only CPU devices in the directory listing class CpuFilter implements FileFilter { @Override public boolean accept(File pathname) { //Check if filename is "cpu", followed by a single digit number if(Pattern.matches("cpu[0-9]+", pathname.getName())) { return true; } return false; } } try { //Get directory containing CPU info File dir = new File("/sys/devices/system/cpu/"); //Filter to only list the devices we care about File[] files = dir.listFiles(new CpuFilter()); //Return the number of cores (virtual CPU devices) return files.length; } catch(Exception e) { //Default to return 1 core return 1; } }

출처 : http://stackoverflow.com/questions/7962155/how-can-you-detect-a-dual-core-cpu-on-an-android-device-from-code