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Hacker News Show HN: Profiler and Runtime Reporter for eBPF programs (brr)

Unifies standard `perf` profiling with `bpftop`-style call count and probe latency metrics, enabling detailed drill-down into eBPF program execution time and making 'performance nerd life' easier.

2
Traction Score
0
Discussions
Jun 18, 2026
Launch Date
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Product Positioning & Context

AI Executive Synthesis
Unifies standard `perf` profiling with `bpftop`-style call count and probe latency metrics, enabling detailed drill-down into eBPF program execution time and making 'performance nerd life' easier.
This tool addresses a critical developer pain point in optimizing eBPF programs, a technology increasingly central to modern Linux observability, networking, and security. Existing tools like `perf` and `bpftop` offer partial views; `brr` consolidates these, providing a more comprehensive understanding of eBPF program performance. The ability to map CPU samples to source code lines is a significant enhancement for debugging and optimization workflows. For B2B SaaS, this type of specialized profiling tool is invaluable for companies building or operating eBPF-dependent infrastructure, enabling engineers to diagnose and resolve performance bottlenecks more efficiently. Its open-source nature fosters adoption and community contribution, potentially establishing it as a standard utility in the eBPF ecosystem.
Here's something I've been using for eBPF program profiling & optimization purposes and just published it as it has made my "performance nerd life" easier.This is a tool for profiling eBPF programs themselves, probe->kernel activity, interactions with shared hash maps, etc.Since eBPF programs are pieces of machine code residing in (kernel) address space, you could profile them with standard perf just like any other kernel function. However, perf alone won't show you other useful metrics like number of executions and average eBPF program runtime, like bpftop does. Also, I want an easy way to map CPU samples to original source code lines, where possible.I wanted to unify both approaches, display the bpftop-style call count & probe latency, with the ability to drill down inside where the eBPF program spends most of it's time.
eBPF program profiling optimization purposes probe->kernel activity shared hash maps machine code kernel address space standard perf kernel function

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Deep-Dive FAQs

What is Profiler and Runtime Reporter for eBPF programs (brr)?
Profiler and Runtime Reporter for eBPF programs (brr) is analyzed by our AI as: Unifies standard `perf` profiling with `bpftop`-style call count and probe latency metrics, enabling detailed drill-down into eBPF program execution time and making 'performance nerd life' easier.. It focuses on This tool addresses a critical developer pain point in optimizing eBPF programs, a technology increasingly central to modern Linux observability, n...
Where did Profiler and Runtime Reporter for eBPF programs (brr) originate?
Data for Profiler and Runtime Reporter for eBPF programs (brr) was aggregated directly from the Hacker News community ecosystem, representing raw developer and early-adopter sentiment.
When was Profiler and Runtime Reporter for eBPF programs (brr) publicly launched?
The initial public indexing or launch date for Profiler and Runtime Reporter for eBPF programs (brr) within our tracked developer communities was recorded on June 18, 2026.
How popular is Profiler and Runtime Reporter for eBPF programs (brr)?
Profiler and Runtime Reporter for eBPF programs (brr) has achieved measurable traction, logging over 2 traction score and facilitating 0 recorded discussions or engagements.
Which technical categories define Profiler and Runtime Reporter for eBPF programs (brr)?
Based on metadata extraction, Profiler and Runtime Reporter for eBPF programs (brr) is categorized under topics such as: eBPF program profiling, optimization purposes, probe->kernel activity, shared hash maps.
How does the creator describe Profiler and Runtime Reporter for eBPF programs (brr)?
The original author or development team describes the product as follows: "Here's something I've been using for eBPF program profiling & optimization purposes and just published it as it has made my "performance nerd life" easier.This is a tool for profiling eBPF programs..."

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