Articles by Tag #ebpf
Browse our collection of articles on various topics related to IT technologies. Dive in and explore something new!
10,000 eBPF Events to 1 Alert: Don’t burn the CPU
eBPF lets you observe everything the Linux kernel is doing. The problem: if you ship every event to...
Zero-Code Observability: Using eBPF to Auto-Instrument Services with OpenTelemetry
Instrumenting services for observability often means sprinkling tracing code across hundreds of files...
eBPF Tutorial: Energy Monitoring for Process-Level Power Analysis
Have you ever wondered how much energy your applications are consuming? As energy efficiency becomes...
Extending eBPF Beyond Its Limits: Custom kfuncs in Kernel Modules
Have you ever felt constrained by eBPF's capabilities? Maybe you've run into situations where the...
eBPF Tutorial: Transparent Text Replacement in File Reads
When you read a file in Linux, you trust that what you see matches what's stored on disk. But what if...
eBPF Tutorial by Example: Tracing Intel NPU Kernel Driver Operations
Neural Processing Units (NPUs) are the next frontier in AI acceleration - built directly into modern...
Improving Network Performance with Custom eBPF-based Schedulers
Author: Ian Chen If you’re interested, feel free to ⭐ the repo (aiming for CNCF Landscape...
eBPF Tutorial: Privilege Escalation via File Content Manipulation
eBPF's power extends far beyond simple tracing—it can modify data flowing through the kernel in...
eBPF Tutorial by Example: BPF Arena for Zero-Copy Shared Memory
Ever tried building a linked list in eBPF and got stuck using awkward integer indices instead of real...
eBPF Tutorial by Example 32: Wall Clock Profiling with Combined On-CPU and Off-CPU Analysis
Performance bottlenecks can hide in two very different places. Your code might be burning CPU cycles...
eBPF Tutorial: Tracing CUDA GPU Operations
Have you ever wondered what's happening under the hood when your CUDA application is running? GPU...
AgentSight: Keeping Your AI Agents Under Control with eBPF-Powered System Observability
Picture this: your AI agent is autonomously writing code and executing commands, but you have no idea...
XDP: The Ultra-Fast Firewall Inside Linux
In the previous episode, we took a detailed look at uProbes with eBPF. In hindsight, it was more of...
Troubleshoot Container OOM Kills with eBPF
So I had a little time on my hands a couple weeks ago and decided to explore how to use eBPF to...
eBPF Observability and Continuous Profiling with Parca
Your monitoring shows CPU hovering at 80%. Prometheus metrics tell you which pods are consuming...
eBPF: Experiencing eBPF with Cilium
Through Cilium, experience the visualization (Hubble), L7 control, Kubernetes Validating Admission Policy, and SPIRE (mTLS) integration brought by eBPF.
Let's introduce eBPF and Aya
I'm getting started with eBPF programming with Aya. The idea behind this series of articles is to get...
The GPU Observability Gap: Why We Need eBPF on GPUs
Yusheng Zheng=, Tong Yu=, Yiwei Yang= As a revolutionary technology that provides programmability...
eBPF Tutorial: Introduction to the BPF Scheduler
Welcome to our deep dive into the world of eBPF with a focus on the BPF scheduler! If you're looking...
eBPF Tutorial by Example: Implementing the `scx_nest` Scheduler
In the ever-evolving landscape of system performance optimization, the ability to customize and...
eBPF Tutorial: BPF Iterators for Kernel Data Export
Ever tried monitoring hundreds of processes and ended up parsing thousands of /proc files just to...
Linux Kernel Architecture: From Ring 0 to Network Stack & eBPF
A deep dive into Linux kernel fundamentals, system calls, the CPU protection rings, and the packet flow within the network stack. Learn how sk_buff works and where eBPF (XDP/TC) fits in.
eBPF Tutorial by Example: Monitoring GPU Driver Activity with Kernel Tracepoints
When games stutter or ML training slows down, the answers lie inside the GPU kernel driver. Linux...
eBPF Tutorial by Example: Building a High-Performance XDP Packet Generator
Need to stress-test your network stack or measure XDP program performance? Traditional packet...
PulseGuard: Real-time Heart Monitoring with eBPF & Cilium
**What if we could detect heart attacks early — not just through medical devices, but through...
What’s Happening Inside Your Linux Kernel?
Have you ever wondered how exactly your Linux system knows when a program is running, a file system...
Enhancing your Aya program with eBPF maps
I'm getting started with eBPF programming with Aya. The idea behind this series of articles is to get...
# 02 - Understanding eBPF Core Building Blocks
In our previous post, we built a syscall tracer with Rust + eBPF. Today, we’ll unpack the core...
# Intro into eBPF and Rust
In this post, we’ll explore how to build high-performance Linux tracing tools using eBPF and Rust....
04 – eBPF Uprobes: Tracing gRPC Headers by Unpacking Go Function Internals
Introduction to Uprobes In the previous post, we explored kprobes and demonstrated a...