[Python知识库]【python获取浏览器内存占用】

from datetime import datetime

import psutil
import time

if __name__ == "__main__":

    while True:
        # 获取所有正在运行的进程PID
        pid_list = psutil.pids()
        chrome_sum = 0
        chrome_mem_percnet = 0
        chrome_cpu_percnet = 0
        chrome_cpu_times = 0
        chrome_mem_rss = 0
        chrome_mem_vms = 0
        chrome_mem_uss = 0
        for pid in pid_list:
            try:
                pid_process = psutil.Process(pid)
            except Exception as e:
                continue

            pid_name = pid_process.name()
            if "chrome.exe" == pid_name:
                chrome_sum = chrome_sum + 1
                chrome_mem_percnet = chrome_mem_percnet + pid_process.memory_percent()
                chrome_cpu_percnet = chrome_cpu_percnet + pid_process.cpu_percent()
                chrome_mem_rss = chrome_mem_rss + pid_process.memory_info().rss
                chrome_mem_vms = chrome_mem_vms + pid_process.memory_info().vms
                chrome_mem_uss = chrome_mem_uss + pid_process.memory_full_info().uss   #USS（唯一集大小）是进程专有的内存
                chrome_cpu_times = chrome_cpu_times + pid_process.cpu_times().user

        print(str(chrome_mem_uss/1024/1024))
        with open("mem",'a') as mem_file:
            now_time = datetime.fromtimestamp(round(time.time(), 0))
            mem_file.write(str(now_time) + "," + str(round(chrome_mem_uss/1024/1024,2)) + "\n")

        time.sleep(0.5)