chaotix
bpftime
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chaotix
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The Magma operating system
I've been working on this small UNIX-like operating system written fully in C and i?86 assembly called Magma, which has a window system that I'm working on alot.
bpftime
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eBPF Tutorial by Example 16: Monitoring Memory Leaks
Uprobe in kernel mode eBPF runtime may also cause relatively large performance overhead. In this case, you can also consider using user mode eBPF runtime, such as bpftime. bpftime is a user mode eBPF runtime based on LLVM JIT/AOT. It can run eBPF programs in user mode and is compatible with kernel mode eBPF, avoiding context switching between kernel mode and user mode, thereby improving the execution efficiency of eBPF programs by 10 times.
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bpftime: Extending eBPF from Kernel to Userspace
In this blog, we are excited to introduce a new open-source user-space eBPF runtime: https://github.com/eunomia-bpf/bpftime. bpftime further expands the capabilities of eBPF, allowing existing eBPF tools and applications, such as BCC tools, bpftrace, Deepflow, etc., to run in non-privileged user space without any code modifications, while using the same libraries and toolchains as kernel eBPF.
- The Secure Path Forward for eBPF runtime: Challenges and Innovations
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Bpftime: Userspace eBPF runtime for fast Uprobe and Syscall hook and Plugins
Thanks for sharing your talk and insights! bpftrace is a wonderful tool, and the talk is great!
In fact, bpftime can already run bpftrace in userspace for uprobes, without any modification: https://github.com/eunomia-bpf/bpftime/tree/master/example/b...
(There might still need some bug fixes in some cases, eg. the signal handler to stop the bpf program...
What are some alternatives?
DreamShell - Operating system for the Sega Dreamcast
wasm-micro-runtime - WebAssembly Micro Runtime (WAMR)
4RING_OS - Hobby operating system for Intel processors from 386 and up. Engaged on all 4 protecting rings with call gates...
bpf-developer-tutorial - eBPF Developer Tutorial: Learning eBPF Step by Step with Examples
Odin - A simple CLI based Operating System
AFLplusplus - The fuzzer afl++ is afl with community patches, qemu 5.1 upgrade, collision-free coverage, enhanced laf-intel & redqueen, AFLfast++ power schedules, MOpt mutators, unicorn_mode, and a lot more!
ASM-Guard - Packer utility for compressing and complicating reversing compiled native code (native files), protecting resources, adding DRM, and packing into an optimized loader.
bpfman - An eBPF Manager for Linux and Kubernetes
yagura - A Unix-like operating system for x86
opentelemetry-go-instrumentation - OpenTelemetry Auto Instrumentation using eBPF
Shell - Very basic and cut down clone of standard unix shell
ebpf-verifier - eBPF verifier based on abstract interpretation