rbspy ☆
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Description:
Sampling profiler for Ruby
Type: Formula  |  Latest Version: 0.40.0@0  |  Tracked Since: Dec 18, 2025
Links: Homepage  |  formulae.brew.sh
Category: Developer tools
Tags: profiler ruby performance developer-tools sampling
Install: brew install rbspy
About:
rbspy is a sampling profiler for Ruby that measures where your Ruby program is spending its time without requiring code changes. It works by sampling the stack traces of a running Ruby process, providing accurate performance insights with minimal overhead. This makes it ideal for profiling production applications or long-running processes.
Key Features:
  • Zero code instrumentation required
  • Low overhead for production use
  • Supports Ruby 2.0 through 3.x
  • Generates flame graphs and text reports
  • Works with running processes or new commands
Use Cases:
  • Identifying performance bottlenecks in production Ruby applications
  • Profiling long-running processes without significant slowdown
  • Analyzing Ruby code performance during development
Alternatives:
  • ruby-prof – Requires code changes and has higher overhead
  • stackprof – In-process profiler requiring instrumentation
Version History
Detected Version Rev Change Commit
Dec 26, 2025 5:18am 0.40.0 0 VERSION_BUMP 9925902f
Dec 18, 2025 2:22pm 0.39.0 0 VERSION_BUMP 845ef466
Sep 22, 2025 2:43am 0 VERSION_BUMP f32438f6
Sep 18, 2025 3:02am 0 VERSION_BUMP 6d693365
Sep 14, 2025 7:02am 0 VERSION_BUMP ec1ed4e0
Oct 31, 2024 2:44am 0 VERSION_BUMP 7d12739a
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