[ruby-core:99324] [Ruby master Bug#17050] profiler gem

Issue #17050 has been updated by ioquatix (Samuel Williams).


My initial goal is to expose some general data structures for efficiently capturing large memory profiles on top of `ObjectSpace` and `GC` modules, similar to how memory_profiler gem works. I don't mind making separate gem, but it seems like the `profile` and `profiler` gem would be ideal places for different kinds of profilers. Initially I was thinking of making separate gems and trying to provide a unified interface, e.g.

- `memory_profiler` -> `profiler-memory`
- `stackprof` -> `profiler-stack`
- `ruby-prof` -> `profiler-sample`

etc.

I think that's too ambitious initially, but yeah, that's a longer term idea, with an initial focus on `profiler-memory` of which I've already got working code and just looking how to structure it best for longer term integration.

A sideways step would be to provide `rspec-memory` hooks for using these profilers either for general summary or assertions around blocks of code (of which I already maintain the `rspec-memory` gem which does some parts of this).

@ko1 said he wants to use `profile` gem, but I'm not sure if he also intended to use `profiler` gem. So, @ko1, can I use one of them, and you can use the other?


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Bug #17050: profiler gem
https://bugs.ruby-lang.org/issues/17050#change-86719

* Author: ioquatix (Samuel Williams)
* Status: Open
* Priority: Normal
* Assignee: hsbt (Hiroshi SHIBATA)
* Backport: 2.5: UNKNOWN, 2.6: UNKNOWN, 2.7: UNKNOWN
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I would like to reuse profiler gem namespace:

https://rubygems.org/gems/profiler/versions

It currently conflicts with `profile/lib/profiler.rb` however this is no longer part of stdlib.

cc @ko1



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