golang/go

x/sys/unix: add darwin efficiency core scheduling integer constants

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#75,529 opened on 2025年9月18日

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説明

Proposal Details

Darwin has the ability to force scheduling to the efficiency cores on Apple Silicon through the setpriority syscall, but the integer constants currently aren't exposed.

I think changing the regex here: cs.opensource.google / github from PRIO_(PROCESS|PGRP|USER) to PRIO_(PROCESS|PGRP|USER|DARWIN_THREAD|DARWIN_PROCESS|DARWIN_BG|DARWIN_NONUI) or PRIO_(PROCESS|PGRP|USER|DARWIN_(THREAD|PROCESS|BG|NONUI)) would result in being able to force execution onto an efficiency core.

As an additional reference, here's the CPython PR: https://github.com/python/cpython/issues/103545

I'd love to actually land this change in Go myself, but frankly don't know where to begin.

コントリビューターガイド

技術スタック
go
領域
api
Issue 種別
feature
難度新しい貢献者にとっての実装難度です。1 は非常に小さな変更、5 は専門的な作業です。
3
推定時間経験ある貢献者が調査、実装、テスト、pull request 準備にかけるおおよその時間範囲です。
1-3 hours
活動状況Issue が今どれだけ取り組みやすいかを示します。新しい、活発、古い、ブロック中、またはメンテナー入力待ちなどです。
fresh
明確さ期待される変更、受け入れ条件、次の手順がどれだけ明確かを示します。
clear
前提条件
Go basicsUnix syscallsRegex knowledgeGo contribution workflow
初心者向け度初回貢献者にどれだけ取り組みやすいかを 1-100 で推定したスコアです。
70
調査方針
Focus on the mkerrors.sh file in the golang/sys repository. Modify the regex on line 583 (currently 'PRIO (PROCESS|PGRP|USER)') to include 'PRIO DARWIN THREAD', 'PRIO DARWIN PROCESS', 'PRIO DARWIN BG', and 'PRIO DARWIN NONUI'. After editing, run the script to regenerate the constants. Then create a pull request with the changes. Refer to the linked CPython issue for additional context on the Darwin efficiency core scheduling constants.