import subprocess

# 運(yùn)行一個(gè)簡(jiǎn)單的命令
result = subprocess.run(['ls', '-l'], capture_output=True, text=True)

# 打印命令輸出
print(result.stdout)

import subprocess

# 后臺(tái)執(zhí)行命令
process = subprocess.Popen(['python', 'target.py'])

# 等待命令完成
process.wait()

import subprocess

# 獲取命令輸出
output = subprocess.check_output(['echo', 'Hello, subprocess!'], text=True)

# 打印輸出
print(output)

import subprocess

# 啟動(dòng)命令并傳遞輸入
process = subprocess.Popen(['grep', 'Python'], stdin=subprocess.PIPE, stdout=subprocess.PIPE, text=True)

# 向命令輸入數(shù)據(jù)
output, _ = process.communicate('Python is awesome!')

# 打印命令輸出
print(output)

pip install psutil

import psutil

# 獲取 CPU 邏輯核心數(shù)
cpu_count = psutil.cpu_count(logical=True)
print(f"CPU 邏輯核心數(shù): {cpu_count}")

# 獲取內(nèi)存使用情況
memory = psutil.virtual_memory()
print(f"總內(nèi)存: {memory.total / 1024 / 1024} MB")
print(f"已使用內(nèi)存: {memory.used / 1024 / 1024} MB")

# 獲取磁盤(pán)分區(qū)信息
disk_partitions = psutil.disk_partitions()
for partition in disk_partitions:
    print(f"分區(qū)設(shè)備: {partition.device}, 文件系統(tǒng): {partition.fstype}")

import psutil

# 獲取所有進(jìn)程列表
all_processes = list(psutil.process_iter())
for proc in all_processes[:5]:  # 打印前五個(gè)進(jìn)程
    print(f"進(jìn)程名: {proc.name()}, PID: {proc.pid}")

# 獲取指定 PID 進(jìn)程的詳細(xì)信息
pid = 1234  # 替換成你要查看的進(jìn)程 PID
if psutil.pid_exists(pid):
    process = psutil.Process(pid)
    print(f"進(jìn)程名稱: {process.name()}")
    print(f"進(jìn)程狀態(tài): {process.status()}")
    print(f"進(jìn)程創(chuàng)建時(shí)間: {process.create_time()}")
    print(f"進(jìn)程 CPU 使用率: {process.cpu_percent(interval=1)}%")
    print(f"進(jìn)程內(nèi)存使用情況: {process.memory_info().rss / 1024 / 1024} MB")
else:
    print(f"PID {pid} 對(duì)應(yīng)的進(jìn)程不存在。")

import psutil

# 終止指定 PID 的進(jìn)程
pid_to_terminate = 5678  # 替換成你要終止的進(jìn)程 PID
if psutil.pid_exists(pid_to_terminate):
    process = psutil.Process(pid_to_terminate)
    process.terminate()
    print(f"進(jìn)程 {pid_to_terminate} 已終止。")
else:
    print(f"PID {pid_to_terminate} 對(duì)應(yīng)的進(jìn)程不存在。")

import psutil

# 實(shí)時(shí)監(jiān)控 CPU 使用率
while True:
    cpu_percent = psutil.cpu_percent(interval=1)
    print(f"當(dāng)前 CPU 使用率: {cpu_percent}%")

import os
import subprocess
import sys
import time
import psutil  # 導(dǎo)入 psutil 模塊

def start_target_program(target_script):
    # 顯式指定Python解釋器和環(huán)境變量
    python_executable = sys.executable
    env = dict(os.environ)
    env['PYTHONPATH'] = ":".join(sys.path)  # 將當(dāng)前Python解釋器的路徑添加到PYTHONPATH環(huán)境變量中
    # 在這里啟動(dòng)你的Python程序
    return subprocess.Popen([python_executable, target_script], env=env)


def is_program_running(process):
    # 檢查程序是否在運(yùn)行
    return process.poll() is None

def bytes_to_readable(size_bytes):
    # 將字節(jié)數(shù)轉(zhuǎn)換為可讀的格式（KB、MB、GB）
    for unit in ['', 'KB', 'MB', 'GB']:
        if size_bytes < 1024.0:
            return f"{size_bytes:.2f} {unit}"
        size_bytes /= 1024.0

def monitor_process(target_script):
    # 啟動(dòng)被監(jiān)測(cè)的程序
    target_program = start_target_program(target_script)
    while True:
        # 檢查并打印 CPU 利用率
        cpu_percent = psutil.cpu_percent(interval=1)
        print(f"當(dāng)前 CPU 利用率：{cpu_percent}%")

        # 獲取并打印內(nèi)存信息
        memory_info = psutil.virtual_memory()
        total_memory = bytes_to_readable(memory_info.total)
        available_memory = bytes_to_readable(memory_info.available)
        print(f"總內(nèi)存: {total_memory}")
        print(f"可用內(nèi)存: {available_memory}")

        # 獲取并打印磁盤(pán)分區(qū)信息
        disk_partitions = psutil.disk_partitions()
        print("磁盤(pán)分區(qū)信息：")
        for partition in disk_partitions:
            print(f"    分區(qū)：{partition.device} 掛載點(diǎn)：{partition.mountpoint}")

        # 檢查程序是否在運(yùn)行
        if not is_program_running(target_program):
            # 檢查程序結(jié)束狀態(tài)（是否是正常結(jié)束）
            if target_program.returncode == 0:
                print("被監(jiān)測(cè)的程序已正常關(guān)閉。")
                break
            else:
                print(f"被監(jiān)測(cè)的程序已關(guān)閉，返回代碼：{target_program.returncode}")
                print("重啟中...")
                target_program = start_target_program(target_script)
        else:
            print("被監(jiān)測(cè)的程序正常運(yùn)行...")

        # 每隔10分鐘監(jiān)聽(tīng)一次
        time.sleep(600)

if __name__ == '__main__':
    # 需要注意被監(jiān)控腳本的路徑和監(jiān)控程序保持在同一目錄下
    target_script = input("請(qǐng)輸入你需要監(jiān)控的腳本名稱（xxx.py）:")
    monitor_process(target_script)