< :前の番号
^ :番号順リスト
> :次の番号
P :前の記事（スレッド移動）
N :次の記事（スレッド移動）
|<:前のスレッド
>|:次のスレッド
^ :返事先
_:自分への返事
>:同じ返事先を持つ記事（前）
<:同じ返事先を持つ記事（後）
---:分割してスレッド表示、再表示
| :分割して（縦）スレッド表示、再表示
~ :スレッドのフレーム消去
.:インデックス
..:インデックスのインデックス
Issue #18266 has been updated by byroot (Jean Boussier).
[Feature #18339] GVL instrumentation API
- I'd like 3 new internal tracepoints: `RUBY_INTERNAL_EVENT_GVL_ACQUIRE_ENTER`, `RUBY_INTERNAL_EVENT_GVL_ACQUIRE_EXIT`, `RUBY_INTERNAL_EVENT_GVL_RELEASE`
- It would be also very useful if the number of waiting thread was part of the hook arguments.
- It would allow to instrument the GVL which is a key metric for threaded environments, and to tune concurrency in applications.
- Is the feature acceptable?
- Any performance concerns when no hook is registered?
----------------------------------------
Misc #18266: DevelopersMeeting20211118Japan
https://bugs.ruby-lang.org/issues/18266#change-94670
* Author: mame (Yusuke Endoh)
* Status: Open
* Priority: Normal
----------------------------------------
# The next dev meeting
**Date: 2021/11/18 13:00-17:00** (JST)
Place/Sign-up/Agenda/Log: *TBD*
- Dev meeting *IS NOT* a decision-making place. All decisions should be done at the bug tracker.
- Dev meeting is a place we can ask Matz, nobu, nurse and other developers directly.
- Matz is a very busy person. Take this opportunity to ask him. If you can not attend, other attendees can ask instead of you (if attendees can understand your issue).
- We will write a log about the discussion to a file or to each ticket in English.
- All activities are best-effort (keep in mind that most of us are volunteer developers).
- The date, time and place are scheduled according to when/where we can reserve Matz's time.
- *DO NOT* discuss then on this ticket, please.
# Call for agenda items
If you have a ticket that you want matz and committers to discuss, please post it into this ticket in the following format:
```
* [Ticket ref] Ticket title (your name)
* Comment (A summary of the ticket, why you put this ticket here, what point should be discussed, etc.)
```
Example:
```
* [Feature #14609] `Kernel#p` without args shows the receiver (ko1)
* I feel this feature is very useful and some people say :+1: so let discuss this feature.
```
- It is recommended to add a comment by 2021/11/15. We hold a preparatory meeting to create an agenda a few days before the dev-meeting.
- The format is strict. We'll use [this script to automatically create an markdown-style agenda](https://gist.github.com/mame/b0390509ce1491b43610b9ebb665eb86). We may ignore a comment that does not follow the format.
- Your comment is mandatory. We cannot read all discussion of the ticket in a limited time. We appreciate it if you could write a short summary and update from a previous discussion.
--
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