hotpath-rs · Office #52,099

What it is

Calls itself “profiler”.

• Calls itself: profiler

“Rust profiler”

What it costs

No free plan.

• Free plan: no

“…hotpath-rs is an open-source Rust performance profiler”

Who it sells to

Sells to developers. Made for developers.

• Sells to: developers
• Made for: developers

“Built for developers and AI coding agents.”

How it runs

A command-line tool. Runs locally and works offline. Hosted in the cloud. Distributed through the npm. No API. Open source. AI is a side feature.

• Kind: cli
• Runs where: cloud / hosted · on the device, offline
• Distributed via: npm
• API: no
• Open source: yes
• AI role: a side feature

“Then launch the TUI: hotpath”

“Find bottlenecks locally, then use hotpath-cloud to track performance changes across pull requests.”

What it works with

Replaces Callgrind. Names Grafana, Prometheus and 2 more on its pages.

• Replaces: Callgrind
• Names: Grafana · Prometheus · reqwest · +1

“For noise-free CI benchmarks, it can also count executed CPU instructions with Callgrind instead of measuring wall-clock time.”

“Find bottlenecks, detect performance regressions with GitHub CI integration, and monitor production with Prometheus and Grafana.”

What it offers as proof

Live, no waitlist. Shows customer logos. Claims “195 open-source projects”. Publishes docs and a blog.

• Customer logos: yes
• Number claimed: 195 open-source projects

“Used by 195 open-source projects , including:”

“Used by 195 open-source projects”