本文实例讲述了python统计cpu利用率的方法。分享给大家供大家参考。具体实现方法如下：
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#-*-coding=utf-8-*-import win32pdhimport time# Counter pathsPROCESSOR_PERCENT = r'\Processor(_Total)\% Processor Time'MEMORY_PERCENT = r'\Memory\% Committed Bytes In Use'MEMORY_COMMITTED = r'\Memory\Committed Bytes'PROCESS_BYTES = lambda x: r'\Process(%s)\Private Bytes' % xclass Query: def __init__(self): self.counters = {} self.query = None self.query = win32pdh.OpenQuery(None, 0) def add_counter(self, path): if win32pdh.ValidatePath(path) != 0: raise Exception('Invalid path: %s' % path) counter = win32pdh.AddCounter(self.query, path, 0) self.counters[path] = counter def remove_counter(self, path): win32pdh.RemoveCounter(self.counters[path]) del self.counters[path] def get_values(self): values = {} win32pdh.CollectQueryData(self.query) for path in self.counters: status, value = win32pdh.GetFormattedCounterValue( self.counters[path], win32pdh.PDH_FMT_LONG) values[path] = value return valuessysinfo_query = Query()sysinfo_query.add_counter(PROCESSOR_PERCENT)sysinfo_query.add_counter(MEMORY_PERCENT)sysinfo_query.get_values()def get_sysinfo(): """Return a tuple (mem_usage, cpu_usage).""" info = sysinfo_query.get_values() return info[MEMORY_PERCENT], info[PROCESSOR_PERCENT]listcpu=[]while True: time.sleep(2) x,y=get_sysinfo() listcpu.append(y) if len(listcpu)==10: icount=0 for c in listcpu: if c>4: icount+=1 if icount>5: print "在统计的1分钟内，cpu已经有5次大于4%" listcpu=[] print y |
希望本文所述对大家的Python程序设计有所帮助。
