监控内存及CPU使用情况

import psutil
def get_memory_cpu_info():
    info = psutil.virtual_memory()
    memory_cpu_info = {'memory_total':info.total,
       'memory_available':info.available,
       'memory_used':info.used,
       'memory_free':info.free,
       'memory_percent':info.percent,
       'cup_used_percent':psutil.cpu_percent()}
    return memory_cpu_info
if __name__ == '__main__':
    res = get_memory_cpu_info()
    print(res)

Json文件写出

import json
def write_to_file(content,filename):
    with open(filename,'a',encoding='utf-8') as f:
        f.write(json.dumps(content,ensure_ascii=False)+'\n')

每隔5分钟监控一次并写出到本地文件

import time
import psutil
import json

def get_memory_cpu_info():
    info = psutil.virtual_memory()
    memory_cpu_info = {'memory_total':info.total,
       'memory_available':info.available,
       'memory_used':info.used,
       'memory_free':info.free,
       'memory_percent':info.percent,
       'cup_used_percent':psutil.cpu_percent()}
    return memory_cpu_info
def write_to_file(content,filename):
    with open(filename,'a',encoding='utf-8') as f:
        f.write(json.dumps(content,ensure_ascii=False)+'\n')
        
def main(filename):
    days = 3 # 监测的天数
    distance = 5 * 60 # 每5分钟执行一次
    repeats = 24 * 60 * days / distance
    for i in range(repeats):
    # while True: 也可以用while True死循环一直执行
        now = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(time.time()))
        memory_cpu_info = get_memory_cpu_info()
        memory_cpu_info['t_time'] = now
        if i % 100 == 0:
            print(memory_cpu_info)
        write_to_file(memory_cpu_info,filename)
        time.sleep(distance)
if __name__ == '__main__':
    filename = 'memory_cpu_info.json'
    main(filename)