标签：默认 包名 stderr sys vlc 复制粘贴 comm 系统内存 mdk
本篇针对应用内存泄漏测试，简单介绍一下内存泄漏的危害，内存泄漏指程序中己动态分配的堆内存由于某种原因程序未释放或无法释放，造成系统内存的浪费，导致程序运行速度减慢甚至系统崩溃等严重后果。简单来说就是如果存在内存泄漏的话，应用会越用越卡，最后导致应用崩溃。
import os,subprocess,re def _getDevice(): # 获取所有设备devices,获得一个tuple deviceRsp = subprocess.Popen("adb devices",stdout=subprocess.PIPE,stderr=subprocess.PIPE,shell=True).communicate()[0] # 正则提取一下设备device，return一个list device = re.findall(‘(.*)\tdevice‘,deviceRsp.decode(‘utf8‘)) print(device) return device def _getFileName(to_file,device): # 打开文件，根据设备名称决定，默认用夜神模拟器，端口62001 __device_list = [] for each in device: str(each).replace(‘:‘,‘_‘).replace(‘.‘,‘‘) # 模拟器的坑 if ":" in each: each = "62001" # 根据传入的路径判断 if to_file is None: __device_list.append(‘{0}/{1}.txt‘.format(os.getcwd(),each)) # 删除已有文件 if os.path.exists(__device_list): os.remove(__device_list) else: # 传入路径没有加后缀，给补上 if os.path.splitext(to_file)[1] == ‘‘: __device_list.append(os.path.join(to_file,‘{0}.txt‘.format(each))) else: __device_list.append(to_file) break return __device_list def Procrank(to_file=None,package=None,device=‘‘,e_num=1000): ‘‘‘ :param to_file:写入文件路径 :param pakage: 包名 :param e_num: 结束循环的次数 :return: ‘‘‘ # 检查设备id，如果没有id则获取 try: if device ==‘‘: device = _getDevice() elif not isinstance(device,str): raise TypeError(‘设备device不正确，请给字串类型‘) except: raise Exception(‘获取设备错误_getDevice，或输入设备id错误‘) # 打开文件 d = _getFileName(to_file,device) try: f = open(d[0],‘a+‘,encoding=‘utf8‘) except Exception as e: raise Exception(‘错误：%s\t文件打开失败，请确认文件路径，以及文件类型，建议txt文件‘%e) if package is None: cmd = ‘adb shell procrank‘ elif os.name == ‘posix‘: cmd = ‘adb shell procrank |grep {0}‘.format(package) elif os.name == ‘nt‘: cmd = ‘adb shell procrank |findstr {0}‘.format(package) # 循环获取procrank for n in range(e_num): # windows解码byte类型变成了空,mac解码变成了str，统一用byte d = subprocess.Popen(cmd,stdout=subprocess.PIPE,stderr=subprocess.PIPE,shell=True).stdout.read() print(str(d)) f.write(str(d)) f.close() if __name__ == ‘__main__‘: to_file = ‘1.txt‘ Procrank(to_file,package=‘com.android.gallery3d‘,device=‘127.0.0.1:62001‘,e_num=240000)
b‘ 2114 1340816K 56312K 12352K 9912K com.android.gallery3d\r\n‘ b‘ 2114 1340816K 56312K 12352K 9912K com.android.gallery3d\r\n‘ b‘ 2114 1340816K 56312K 12352K 9912K com.android.gallery3d\r\n‘ b‘ 2114 1340816K 56312K 12352K 9912K com.android.gallery3d\r\n‘ b‘ 2114 1340816K 56312K 12352K 9912K com.android.gallery3d\r\n‘ b‘ 2114 1340816K 56312K 12352K 9912K com.android.gallery3d\r\n‘ b‘ 2114 1340816K 56312K 12352K 9912K com.android.gallery3d\r\n‘ b‘ 2114 1340816K 56312K 12352K 9912K com.android.gallery3d\r\n‘
标签：默认 包名 stderr sys vlc 复制粘贴 comm 系统内存 mdk
原文地址：https://www.cnblogs.com/dflblog/p/11422419.html
