total_memory, used_memory = self.get_memory_usage() total_disk_space, used_disk_space = self.get_disk_usage() # 构建系统信息的字典 system_info = { 'cpu_usage': cpu_usage, 'memory_total': total_memory, 'memory_used': used_memory, 'disk_space_total': total_disk_space, 'disk_space...
def get_process_memory_psutil(process_name): # 遍历所有进程 for proc in psutil.process_iter(['pid', 'name', 'memory_info']): if proc.info['name'] == process_name: # 输出进程内存使用信息 memory_info = proc.info['memory_info'] return { 'rss': memory_info.rss, # 实际使用物理内存...
importsys x=[iforiinrange(1000)]# 一个包含1000个整数的列表print(sys.getsizeof(x))# 输出列表的字节大小 你会发现,列表会占用比预期更多的内存,因为 Python 内部有额外的管理数据结构。 2. Python 的垃圾回收机制 Python 的垃圾回收(GC)采用引用计数 + 分代回收: 引用计数:每个对象有一个计数器,记录它...
if UNIX: return GetMemInfoUnix() return GetMemInfoWindows()def GetMemInfoUnix() -> Dict[str, int]: ''' 获取内存信息(unix)Returns --- dict DESCRIPTION.''' mem = psutil.virtual_memory() memInfo: dict = { 'memTotal': ToSizeInt(mem.total, 'MB'), 'memFree...
get_memory_info(): tmpdict = {} c = wmi.WMI () cs = c.Win32_ComputerSystem() os = c.Win32_OperatingSystem() pfu = c.Win32_PageFileUsage() tmpdict["MemTotal"] = int(cs[0].TotalPhysicalMemory)/1024/1024 tmpdict["MemFree"] = int(os[0].FreePhysicalMemory)/1024 tmpdict["...
MemoryError Raised when an operation runs out of memory. NameError Raised when a variable is not found in the local or global scope. NotImplementedError Raised by abstract methods. OSError Raised when a system operation causes a system-related error. ...
具体异常优先:优先捕获具体异常,最后捕获通用异常。 try: # 代码 except ValueError: # 处理 ValueError except Exception as e: # 处理其他异常 1. 2. 3. 4. 5. 6. 避免空except:空except会捕获所有异常(包括SystemExit、KeyboardInterrupt等),导致程序无法正常退出。
psutil (python system and process utilities) 是一个跨平台的第三方库,能够轻松实现获取系统运行的进程和系统利用率(包扩CPU、内存、磁盘、网络等)信息。它主要用于系统监控、分析、限制系统资源和进程的管理。它实现了同等命令行工具提供的功能,如ps、top、lsof、netstat、ifconfig、who、df、kill、free、nice、ion...
('system software', get_info_str(self.current.image), get_info_str(self.next.image)) print_info += "{: <26}{: <68}{: <68}\n".format('saved-configurated file', get_info_str(self.current.config), get_info_str(self.next.config)) print_info += "{: <26}{: <68}{: <68}...
import eva def condition(): e1 = eva.Event() kpi1 = e1.addkpi("huawei-cpu-memory:cpu-memory/board-cpu-infos/board-cpu-info/system-cpu-usage") e1.ret = eva.avg(kpi1, 10) > 90 e2 = eva.Event() kpi2 = e2.addkpi("huawei-cpu-memory:cpu-memory/board-memory-infos/board-memory...