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Learn eBPF Tracing: Tutorial and Examples - Brendan Gregg
http://www.brendangregg.com/blog/2019-01-01/learn-ebpf-tracing.html
eBPF - Introduction, Tutorials & Community Resources
While aspects of system call filtering, network-level filtering, and process context tracing have typically been handled by completely independent systems, eBPF allows for combining the visibility and control of all aspects to create security systems operating on more context with better level of control. Networking
Linux eBPF Tracing Tools
https://brendangregg.com/ebpf.html
Linux Extended BPF (eBPF) Tracing Tools. This page shows examples of performance analysis tools using enhancements to BPF (Berkeley Packet Filter) which were added to the Linux 4.x series kernels, allowing BPF to do much more than just filtering packets. These enhancements allow custom analysis programs to be executed on Linux dynamic tracing ...
eBPF Explained: Use Cases, Concepts, and Architecture – Tigera
https://www.tigera.io/learn/guides/ebpf/
eBPF programs are used to access hardware and services from the Linux kernel area. These programs are used for debugging, tracing, firewalls, networking, and more. Developed out of a need for improved Linux tracing tools, eBPF was influenced by dtrace, a dynamic tracing tool available mainly for BSD and Solaris operating systems.
An eBPF overview, part 5: Tracing user processes
https://www.collabora.com/news-and-blog/blog/2019/05/14/an-ebpf-overview-part-5-tracing-user-processes/
Debugging with eBPF Part 2: Tracing full body HTTP …
https://blog.px.dev/ebpf-http-tracing/
Running the eBPF HTTP tracing demo code. Tracing HTTP requests using eBPF is possible using both kprobes and uprobes; however, the kprobe approach is more scalable as it is agnostic to the target language. The code used in this blog is available here and should be fully functional to trace Go/Python applications.
eBPF Project Landscape
https://ebpf.io/projects/
ply is a dynamic tracer for Linux which is built upon eBPF. It has been designed with embedded systems in mind, is written in C and all that ply needs to run is libc and a modern Linux kernel with eBPF support, meaning, it does not depend on LLVM for its program generation.
Debugging with eBPF Part 3: Tracing SSL/TLS connections
https://blog.px.dev/ebpf-openssl-tracing/
One interesting application of BPF is the tracing of network traffic. Many network traffic tracers, like Wireshark, use pcap ( p acket cap ture) to capture the data as it is sent to the network interface card (NIC). These days, pcap actually uses BPF under the hood. Whenever a packet is sent to the NIC, a BPF program captures the packet data.
How to trace a Python application with eBPF/BCC
https://ish-ar.io/python-ebpf-tracing/
More information about eBPF can be found here: eBPF intro & eBPF verifier Tutorial description We will provision a Google Compute instance (CentOS 8) via Terraform, install BCC, and run bcc/uflow to trace/profile a pre-created Python application. The application generates some fake analytics for an Instagram user.
GitHub - iovisor/bpftrace: High-level tracing language for …
https://github.com/iovisor/bpftrace
bpftrace is a high-level tracing language for linux enhanced berkeley packet filter (ebpf) available in recent linux kernels (4.x). bpftrace uses llvm as a backend to compile scripts to bpf-bytecode and makes use of bcc for interacting with the linux bpf system, as well as existing linux tracing capabilities: kernel dynamic tracing (kprobes), …
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