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Hotspot Alternatives
Similar projects and alternatives to hotspot
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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ripgrep
ripgrep recursively searches directories for a regex pattern while respecting your gitignore
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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flamegraph
Easy flamegraphs for Rust projects and everything else, without Perl or pipes <3 (by flamegraph-rs)
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Kaitai Struct
Kaitai Struct: declarative language to generate binary data parsers in C++ / C# / Go / Java / JavaScript / Lua / Nim / Perl / PHP / Python / Ruby
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polkit-dumb-agent
a polkit agent in 145 lines of code, because polkit is dumb and none of the other agents worked
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better hotspot alternative or higher similarity.
hotspot discussion
hotspot reviews and mentions
Posts with mentions or reviews of hotspot.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2025-04-11.
- Ask HN: What's the Best Open Source Tool You've Discovered Recently?
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Make your QEMU 10 times faster with this one weird trick
For better convenience there is now https://github.com/KDAB/hotspot to render the flame graph from your perf data. You can also use online https://profiler.firefox.com/.
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Profiling with Ctrl-C
The premise of this website and articles like https://yosefk.com/blog/how-profilers-lie-the-cases-of-gprof... just show that the authors are using the wrong tools. It is nowadays relatively easy to also look at off-CPU time when profiling with perf (e.g. https://github.com/KDAB/hotspot/?tab=readme-ov-file#off-cpu-...). The idea is to use sampling for the on-CPU periods and then combine that with the off-CPU time measured between context switches. VTune also supported this mode for many years.
- Hotspot: A GUI for the Linux perf profiler
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What is your favourite profiling tool for C++?
perf with Hotspot 👌
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Profiling C code on an M1 mac
If you’re able to use perf on Linux, I would recommend hotspot for visualizing the results.
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What is the problem with transfer speeds withing Dolphin?
I can recommend you using the https://github.com/KDAB/hotspot/ tool whenever you want to study performance.
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Data-driven performance optimization with Rust and Miri
Every Linux C/C++/Rust developer should know about https://github.com/KDAB/hotspot. It's convenient and fast. I use it for Rust all the time, and it provides all of these features on the back of regular old `perf`.
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How to interpret a flamegraph?
Flamegraphs alone aren't a full picture of what your application is doing, but it can give you hints as to where to look. Another tool I often use is Hotspot which can open the perf.data file and provide more options for filtering and digging into the gathered data beyond the single flamegraph.
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A note from our sponsor - SaaSHub
www.saashub.com | 19 May 2025
Stats
Basic hotspot repo stats
19
4,385
8.4
12 days ago
KDAB/hotspot is an open source project licensed under GNU General Public License v3.0 or later which is an OSI approved license.
The primary programming language of hotspot is C++.
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