输出获取到的PID。 2.2 代码实现 下面是一个简单的示例代码,用于获取指定Python脚本的PID: importsubprocessdefget_pid(script_name):try:# 使用subprocess调用pidof命令获取PIDresult=subprocess.run(['pidof','python'],capture_output=True,text=True)ifresult.returncode==0:pids=result.stdout.strip().split()f...
首先是获取特定进程对象,可以使用Process.GetProcesses()方法来获取系统中运行的所有进程,或者使用Process.GetCurrentProcess()方法来获取当前程序所对应的进程对象。当有了进程对象后,可以通过进程对象名称来创建PerformanceCounter类型对象,通过设定PerformanceCounter构造函数的参数实现获取特定进程的CPU和内存使用情况。 具体实例...
print(f"PID: {proc.info['pid']}, Name: {proc.info['name']}, CPU%: {proc.info['cpu_percent()}%, Memory%: {proc.info['memory_percent']}") # 替换为你要查询的进程名称 process_name = "chrome" get_process_info(process_name) ``` 在上述示例中,我们首先导入`psutil`库,然后定义一个...
importosprint('Process (%s) start...'%os.getpid())\# Only works on Unix/Linux/Mac:pid=os.fork()ifpid==0:print('I am child process (%s) and my parent is%s.'%(os.getpid(),os.getppid()))else:print('I (%s) just created a child process (%s).'%(os.getpid(),pid)) 上述代码...
pid = process_list[i] break print(pid) return pid def main(argv): name = argv[1] #print(name) get_pid(name) if __name__ == "__main__": main(sys.argv) 关于:psutil 5.2.2使用说明参见: https://pypi.python.org/pypi/psutil/5.2.2 ...
importosprint('Process (%s) start...'%os.getpid())\# Only works on Unix/Linux/Mac:pid=os.fork()ifpid==0:print('I am child process (%s) and my parent is %s.'%(os.getpid(),os.getppid()))else:print('I (%s) just created a child process (%s).'%(os.getpid(),pid)) ...
pid:进程号 join的作用是等待所有子进程执行完之后主进程才会进行下一步代码的执行(阻塞,非阻塞,同步,异步是四个概念, 参考:https://zhuanlan.zhihu.com/p/25638474) 1importos2importtime3frommultiprocessingimportProcess45deffunc(num):6time.sleep(1)7print("I'm process %d, my id: [%s]"%(num, os....
name与pid from multiprocessing import Process import time import random class Piao(Process): def __init__(self,name): # self.name=name # super().__init__() #Process的__init__方法会执行self.name=Piao-1, # #所以加到这里,会覆盖我们的self.name=name #为我们开启的进程设置名字的做法 super...
os.system("kill -9 "+str(user_process_pid))else: users_process_table[timestamp].terminate()delusers_process_table[timestamp]else:return"No process exists" From thedocs: terminate() Terminate the process. On Unix this is done using the SIGTERM signal; on Windows TerminateProcess() is used....
Process(target=child_process_entry) child_process.start() print(u"主进程: PID=%d" % main_pid) print(u"主进程: 子进程的PID=%d" % child_process.pid) child_process.join() 如果是在Linux或者macOS系统上运行,其可能的输出如下: $ python3 demo2.py # 启动脚本主进程: PID=52983 # 在主进程...