FlameGraph

Stack trace visualizer (by brendangregg)

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a better FlameGraph alternative or higher similarity.

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FlameGraph reviews and mentions

Posts with mentions or reviews of FlameGraph. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2025-06-06.
  • Decreasing Gitlab repo backup times from 48 hours to 41 minutes
    10 projects | news.ycombinator.com | 6 Jun 2025
    https://github.com/brendangregg/FlameGraph

    You record performance data with `perf`, then use the scripts there to turn it into a SVG.

  • AWS Lambda Profiler Extension for Java- Part 1 Introduction
    5 projects | dev.to | 24 Mar 2025
    If you'd like to know more about the flame graphs in general you can you the collection of resources of Brendan Gregg Flame Graph who contributed a lot in this area.
  • Try Postgres Cloud
    8 projects | dev.to | 19 Jan 2025
    You may find yourself in need of flamegraphs for software in this repository. You can use flamegraph-rs or the original flamegraph.pl. Your choice!
  • A curious case of O(N^2) behavior which should be O(N) (2023)
    1 project | news.ycombinator.com | 21 Dec 2024
    The timeline view in the upper screenshot is fairly straightforward: the region of 28-53s is selected, other parts of the timeline are grayed out, and the statistics for the selected time region down below show 94.4% of "Total CPU" being in id_sort_by_name.

    The lower screenshot is a flame graph. If you haven't encountered one of those before, it's totally reasonable to not know how to read it. But it's a standard and common way to present this sort of data. See https://www.brendangregg.com/flamegraphs.html for more information.

  • Page Sized Writes
    3 projects | dev.to | 14 Nov 2024
    Looking at the result for aligned writes, it takes 6.3s in total to complete. Of this, 0.3s is used in user land with 6s used by the system in kernel space(syscalls). In order to make sense of the results, I profiled and collected the stacks traces for analysis. The call stacks can be visualized in the flamegraphs as shown below
  • Ask HN: Going low-level – what to learn next?
    5 projects | news.ycombinator.com | 4 Jun 2024
    If you want to "go low" in the operating system, you could write a Linux kernel module:

    https://sysprog21.github.io/lkmpg/

    https://blog.sourcerer.io/writing-a-simple-linux-kernel-modu...

    If you want to "go low" in the way hardware works, you could try and write an interrupt handler on an embedded device.

    If you want to "go low" in how optimizations work in application development, you could try and implement microbenchmarks and look at flamegraphs.

    https://github.com/brendangregg/FlameGraph

    https://bheisler.github.io/criterion.rs/book/index.html

  • JVM Profiling in Action
    4 projects | dev.to | 18 Apr 2024
    We'll use async-profiler and flame graphs for profiling. To simplify the process, we'll run the code using JBang.
  • Memray – A Memory Profiler for Python
    10 projects | news.ycombinator.com | 10 Feb 2024
    And flame graphs excel and this kind of thing

    https://www.brendangregg.com/flamegraphs.html

  • All my favorite tracing tools: eBPF, QEMU, Perfetto, new ones I built and more
    2 projects | news.ycombinator.com | 6 Dec 2023
    which can output in a format understood by Brendan Gregg's flame frames (https://www.brendangregg.com/flamegraphs.html)

    But that's not quite the kind of tracing you're talking about. We also built a printf-style interface to our recording files, which seems closer:

  • Recap of Werner Vogels' Keynote at re:Invent 2023
    3 projects | dev.to | 2 Dec 2023
    Strategies included discontinuing or resizing underutilized services, transitioning to more cost-effective solutions, reducing the current resources to the amount of resources that we need for our application, and conducting detailed analyses of computing resource utilization through tools like flamegraphs. This detailed scrutiny helped identify and rectify significant cost-driving areas, such as garbage collection and application configurations.
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    SaaSHub helps you find the best software and product alternatives Learn more →

Stats

Basic FlameGraph repo stats
59
18,326
1.3
8 months ago

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