如何在 Ruby on Rails 中分析请求? [英] How can I profile a request in Ruby on Rails?

问题描述

如何分析控制器操作?

我的一个观点需要相当长的时间来呈现，我想将其分解.我看到 script/performance/profiler，但这似乎只能访问全局范围.

One of my views is taking quite some time to render, and I'd like to break it down. I see script/performance/profiler, but that seems to only have access to the global scope.

推荐答案

ruby-prof 是要走的路.这是一个操作方法，如何使用 ruby​​-prof 分析您的 Rails 和 Ruby 应用程序.

ruby-prof is the way to go. Here's a howto, How to profile your Rails and Ruby applications with ruby-prof.

如果您将它与诸如 kcachegrind 之类的可视化工具结合使用，您可以轻松地将作为您的应用程序代码的代码与框架代码分开.

If you use it in combination with a visualisation tool such as kcachegrind, you can easily separate the code that is your application code from the framework code.

不久前，我在当地的 Ruby 用户组中就这些工具进行了演讲:使用 ruby​​-prof 和 kcachegrind 使您的 rails 应用程序变得更好.

I gave a talk on these tools at my local Ruby-users group a while back: Making your rails app kick ass with ruby-prof and kcachegrind.

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