添加测试功能：TCP 写入服务端、单次发送客户端、压力测试客户端、kprobe Hello World基础验证

demo/stress_client.py

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+"""TCP 压力测试客户端：模拟峰值负载，触发大量系统调用"""
+
+import argparse
+import socket
+import time
+from concurrent.futures import ThreadPoolExecutor, as_completed
+
+HOST = "127.0.0.1"
+PORT = 8888
+
+
+def send_once(index: int) -> bool:
+    try:
+        client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+        client.settimeout(5)
+        client.connect((HOST, PORT))
+        msg = f"stress_test_message_{index}_{time.time()}"
+        client.send(msg.encode("utf-8"))
+        client.recv(1024)
+        client.close()
+        return True
+    except Exception as exc:
+        print(f"请求 {index} 失败: {exc}")
+        return False
+
+
+def run_stress(total: int, workers: int):
+    print(f"开始压力测试: {total} 次请求, {workers} 并发")
+    start = time.time()
+    success = 0
+
+    with ThreadPoolExecutor(max_workers=workers) as pool:
+        futures = [pool.submit(send_once, i) for i in range(total)]
+        for future in as_completed(futures):
+            if future.result():
+                success += 1
+
+    elapsed = time.time() - start
+    print(f"完成: 成功 {success}/{total}, 耗时 {elapsed:.2f}s, QPS={success/elapsed:.1f}")
+
+
+if __name__ == "__main__":
+    parser = argparse.ArgumentParser(description="TCP 压力测试客户端")
+    parser.add_argument("-n", "--count", type=int, default=200, help="总请求数")
+    parser.add_argument("-w", "--workers", type=int, default=20, help="并发线程数")
+    args = parser.parse_args()
+    run_stress(args.count, args.workers)