pyetwkit 1.1.0

High-performance ETW (Event Tracing for Windows) consumer library for Python

PyETWkit

A modern, high-performance ETW (Event Tracing for Windows) toolkit for Python, powered by a Rust backend.

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Features

• Real-time ETW streaming with sync API
• Kernel providers: process, thread, registry, file, disk, network
• User providers: DNS, Audio, and more via profiles
• Filtering: by provider, event ID, trace level
• ETL file reading: Parse existing trace logs
• Export: CSV, JSON, JSONL, Parquet, Arrow formats
• CLI tool: pyetwkit command for quick monitoring
• Provider discovery: Search and list available providers
• Pre-configured profiles: Audio, network, security scenarios
• Rust backend (pyo3): High throughput, zero-copy event delivery
• Windows 10 / 11 / Server supported

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Installation

pip install pyetwkit

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Quick Start

CLI Usage

# List available providers
pyetwkit providers
pyetwkit providers --search Kernel

# List profiles
pyetwkit profiles

# Listen to events (requires admin)
pyetwkit listen Microsoft-Windows-DNS-Client
pyetwkit listen --profile network

# Export ETL file
pyetwkit export trace.etl -o events.csv
pyetwkit export trace.etl -o events.parquet -f parquet

Python API

from pyetwkit._core import EtwProvider, EtwSession

# Create session
session = EtwSession("MySession")

# Add provider
provider = EtwProvider(
    "Microsoft-Windows-DNS-Client",
    "DNS-Client"
)
provider = provider.with_level(4)  # Info level
session.add_provider(provider)

# Start and process events
session.start()

try:
    while True:
        event = session.next_event_timeout(1000)
        if event:
            print(f"Event {event.event_id}: {event.provider_name}")
except KeyboardInterrupt:
    pass
finally:
    session.stop()

Kernel Tracing

from pyetwkit._core import PyKernelFlags, PyKernelSession

flags = PyKernelFlags()
flags = flags.with_process()  # Enable process events

session = PyKernelSession(flags)
session.start()

for _ in range(10):
    event = session.next_event_timeout(1000)
    if event and event.event_id == 1:  # Process start
        props = event.to_dict().get("properties", {})
        print(f"Process: {props.get('ImageFileName')}")

session.stop()

Provider Discovery

from pyetwkit._core import list_providers, search_providers

# List all providers
for p in list_providers()[:10]:
    print(f"{p.name}: {p.guid}")

# Search by name
for p in search_providers("Kernel"):
    print(p.name)

Export Events

from pyetwkit._core import EtlReader
from pyetwkit.export import to_csv, to_parquet

# Read ETL file
reader = EtlReader("trace.etl")
events = list(reader.events())

# Export to various formats
to_csv(events, "events.csv")
to_parquet(events, "events.parquet")

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Architecture

Python API / CLI
  ↓
pyetwkit (Python package)
  ↓
pyetwkit._core (Rust/pyo3)
  ↓
ferrisetw (Rust ETW library)
  ↓
Windows ETW subsystem

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Documentation

• Tutorial - Comprehensive usage guide
• API Reference - Detailed API documentation
• Examples - Sample scripts
• Architecture - Design documents

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Roadmap

Completed

• Rust ETW consumer (ferrisetw backend)
• Provider discovery and enumeration
• User-mode ETW sessions
• Kernel-mode tracing (process, thread, image load)
• Event schema and property parsing
• ETL file reading
• Export to CSV, JSON, JSONL, Parquet, Arrow
• CLI tool (pyetwkit command)
• Provider profiles (audio, network, security)
• Stack trace capture support
• Session statistics

Planned

v1.1 - Enhanced Core

• Async streaming API
• Manifest-based typed events
• Real-time event filtering callbacks

v2.0 - Enterprise Features

• Multi-session / Multi-provider concurrent subscription
  • Kernel + User + Custom providers simultaneously
  • Unified event stream delivery
• OpenTelemetry (OTLP) Exporter
  • Integration with Jaeger, Grafana, Datadog
  • Enterprise observability standard
• ETW Recording & Replay (.etwpack)
  • Python-optimized capture format
  • Faster than native ETL files

v3.0 - Advanced Analysis

• Event Correlation Engine
  • Auto-correlate by PID/TID/Handle
  • Unified activity timelines
  • "Wireshark for ETW" level insight
• Live Dashboard with WebSocket UI
  • Browser-based real-time visualization
  • CPU, Network, Disk, Audio monitoring
  • VRChat/Unity/OBS support

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Examples

See the examples/ directory for complete sample scripts:

• basic_session.py - Simple ETW session
• kernel_trace.py - Kernel-level process monitoring
• export_events.py - Capture and export events
• provider_discovery.py - Find ETW providers
• profiles.py - Use pre-configured profiles
• read_etl.py - Read ETL files

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Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

1. Fork the repository
2. Create your feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add some amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

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License

MIT

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Author

m96-chan