Javaflame – Simple Flamegraph for your Java application
Javaflame will generate a flamegraph of your application function calls, including the argument values and the return of each function. Check https://beothorn.github.io/javaflame to see an example. There are already some tools that render flamegraphs for java, but they are focused on measuring performance or require some other process running along with the application. They also record function calls, but do not record the arguments or return values from those functions. I needed instead something to help understand and debug my applications that was better than adding…
In plain words
Javaflame is a Java agent that generates flamegraphs showing function calls alongside their argument values and return results. Designed for developers who need to understand and debug applications, it creates interactive HTML visualizations without requiring separate processes or external dependencies. Unlike performance-focused flamegraph tools, Javaflame captures function parameters and returns by calling toString on each, offering an alternative to manual breakpoint debugging.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Javaflame will generate a flamegraph of your application function calls, including the argument values and the return of each function. Check https://beothorn.github.io/javaflame to see an example. There are already some tools that render flamegraphs for java, but they are focused on measuring performance or require some other process running along with the application. They also record function calls, but do not record the arguments or return values from those functions. I needed instead something to help understand and debug my applications that was better than adding breakpoints and slowly step over every call. This is a simple java agent that renders a flamegraph on a html file, no extra dependencies or other processes involved. All you need is an extra argument passed to the JVM on the command line pointing to the java agent. It calls toString on every parameter and return value of every function that is included on the filter, so I wouldn't use this outside your dev machine.
More dev tools this month
the category →
Open-source GTM skills for technical founders
Dev tools · 29d ago · gtmcofounder.com
OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.
Dev tools · 1d ago · opentrailpaper.com
Launched alongside, November 2023
the whole month →
Discover & book top creators to promote your product
Growth · 2023 · passionfroot.me
