寻求ETW StartTrace及相关接口的.NET封装（Wrapper）实现

Absolutely! You don’t have to rely on command-line tools to manage ETW tracing sessions from .NET—there are great managed wrappers available, plus options to roll your own if you need full control. Here are the top choices:

1. Microsoft.Diagnostics.Tracing.TraceEvent (Official Microsoft Library) #

This is the gold standard for ETW in .NET, maintained by Microsoft’s diagnostics team. It wraps nearly all ETW functionality, including starting/stopping sessions, enabling providers, and consuming events. It works seamlessly across .NET Framework, .NET Core, and modern .NET versions.

Here’s a quick snippet to start an ETW session with it:

using Microsoft.Diagnostics.Tracing;
using Microsoft.Diagnostics.Tracing.Session;

// Important: This requires administrator privileges!
using var session = new TraceEventSession("MyCustomETWSession");
// Enable a sample provider (e.g., the .NET runtime provider)
session.EnableProvider("Microsoft-Windows-DotNETRuntime", TraceEventLevel.Informational);

// Keep the session running (add your event handling logic here)
Console.WriteLine("ETW session active. Press any key to stop...");
Console.ReadKey();

It handles all the low-level P/Invoke work under the hood, so you don’t have to mess with raw Win32 call details.

2. ETWController (Community-Maintained Lightweight Wrapper) #

If you’re looking for a focused library that’s all about session management (StartTrace, ControlTrace, etc.), ETWController is a solid pick. It’s a thin wrapper around the core ETW session APIs, with a clean, intuitive interface for starting, stopping, and configuring sessions without extra event-consuming baggage.

3. Roll Your Own with P/Invoke #

For full customization, you can directly call the Win32 ETW functions via P/Invoke. Here’s a quick example of declaring the StartTraceW function:

using System;
using System.Runtime.InteropServices;

public static class EtwNative
{
    [DllImport("advapi32.dll", CharSet = CharSet.Unicode)]
    public static extern uint StartTrace(
        out ulong sessionHandle,
        string sessionName,
        ref EVENT_TRACE_PROPERTIES properties);

    // You'll also need to define the EVENT_TRACE_PROPERTIES struct and related constants
}

This approach gives you full control but requires more manual work to handle memory management and error checking.

Key Notes #

• Administrator Rights: Almost all ETW session operations require elevated privileges—make sure your app runs as admin.
• Version Compatibility: Check the library docs to ensure compatibility with your target .NET version (most modern wrappers support .NET 5+ and .NET Framework 4.6+).
• Event Consumption: If you need to process events from the session, the Microsoft TraceEvent library is the most feature-complete option.

内容的提问来源于stack exchange，提问作者BonnieF