Project

callback_tracer

0.0
The project is in a healthy, maintained state
callback_tracershehabmohamed21/callback_tracer_gemHomepageDocumentationSource CodeBug TrackerWiki
Instruments all ActiveRecord callbacks and prints their execution order, source location, and timing to the terminal during development and test.
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
 Popularity
Downloads
157
Stars
0
Forks
0
Watchers
0
 Releases
Current version
0.1.0
Total releases
1
First release
2026-03-24
Latest release
2026-03-24
 Development
Primary Language
Ruby
Licenses
MIT
Average date of last 50 commits
2026-03-24
Reverse Dependencies
0

 Dependencies

Runtime

activerecord
>= 7.0, < 9
activesupport
>= 7.0, < 9
railties
>= 7.0, < 9
 Project Readme

CallbackTracer

Trace ActiveRecord callback execution order with source locations and timing. See exactly which callbacks fire, in what order, and how long each takes.

Installation

Add to your Gemfile:

gem "callback_tracer", group: [:development, :test]

Run the install generator:

rails generate callback_tracer:install

Configuration

# config/initializers/callback_tracer.rb
CallbackTracer.configure do |config|
  config.enabled = true
  config.excluded_models = ["ApplicationRecord"]
  config.colorize = true
  config.logger = nil # defaults to puts
end

Output

[CallbackTracer] Post before_validation (app/models/post.rb:11) 0.02ms
[CallbackTracer] Post after_validation  (app/models/post.rb:12) 0.01ms
[CallbackTracer] Post before_save       (app/models/post.rb:16) 0.03ms
[CallbackTracer] Post before_create     (app/models/post.rb:21) 0.15ms
[CallbackTracer] Post after_create      (app/models/post.rb:23) 0.02ms
[CallbackTracer] Post after_save        (app/models/post.rb:18) 0.01ms
[CallbackTracer] Post after_commit      (app/models/post.rb:31) 0.04ms

Requirements

  • Ruby 3.1+
  • Rails 7.0+

Automatically disabled in production.