Add VSCode configuration files and update hello_world.py example

.vscode/launch.json

@@ -0,0 +1,16 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "Python Debugger: Current File",
+            "type": "debugpy",
+            "request": "launch",
+            "sudo": true,
+            "program": "${file}",
+            "console": "integratedTerminal"
+        }
+    ]
+}

.vscode/settings.json

@@ -0,0 +1,4 @@
+{
+    "python-envs.defaultEnvManager": "ms-python.python:system",
+    "python-envs.pythonProjects": []
+}

.vscode/tasks.json

@@ -0,0 +1,12 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "Run Python with Sudo",
+            "type": "shell",
+            "command": "sudo /usr/bin/python3 ${file}"
+        }
+    ]
+}

examples/hello_world.py

@@ -9,4 +9,6 @@
 from bcc import BPF
 
 # This may not work for 4.17 on x64, you need replace kprobe__sys_clone with kprobe____x64_sys_clone
-BPF(text='int kprobe__sys_clone(void *ctx) { bpf_trace_printk("Hello, World!\\n"); return 0; }').trace_print()
+# BPF(text='int kprobe__sys_clone(void *ctx) { bpf_trace_printk("Hello, World!\\n"); return 0; }').trace_print()
+# sudo /usr/bin/python3 examples/hello_world.py
+BPF(text='int kprobe__sys_sync(void *ctx) { bpf_trace_printk("sys_sync() called!\\n"); return 0; }').trace_print()