[ruby-core:99329] [Ruby master Bug#17050] profiler gem

Issue #17050 has been updated by Eregon (Benoit Daloze).


I'd recommend starting with something specific like `profiler-memory`.

`profiler` is very generic but therefore also unclear and will make people think it's a stdlib-like profiler, but I guess it will not be.

I also think it's too early to tell if your gem will be "the profiler everyone uses".

BTW, stackprof is a CPU sampling profiler, and ruby-prof seems a tracing CPU profiler.

As a side note it'd be nice if profiler-like gems work on more than 1 implementation.
I think most them only work on CRuby, because they use C APIs that are efficient on CRuby but basically inefficient on other implementations (see https://github.com/oracle/truffleruby/issues/2044#issuecomment-654848324 for details regarding stackprof & TruffleRuby).

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Bug #17050: profiler gem
https://bugs.ruby-lang.org/issues/17050#change-86724

* 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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