René's URL Explorer Experiment


Title: GH-148937: fix for free-threaded GC (RSS based defer) by nascheme · Pull Request #148940 · python/cpython · GitHub

Open Graph Title: GH-148937: fix for free-threaded GC (RSS based defer) by nascheme · Pull Request #148940 · python/cpython

X Title: GH-148937: fix for free-threaded GC (RSS based defer) by nascheme · Pull Request #148940 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: Asking the OS for the process memory usage doesn't work well given how mimalloc works. It does not promptly return memory to the OS and so the memory doesn't drop after cyclic trash is fre...

X Description: Asking the OS for the process memory usage doesn't work well given how mimalloc works. It does not promptly return memory to the OS and so the memory doesn't drop after cyclic tras...

Opengraph URL: https://github.com/python/cpython/pull/148940

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/pull/:id/checks(.:format)
route-controllerpull_requests
route-actionchecks
fetch-noncev2:62d14790-590e-11d4-cd93-9424dcba7f03
current-catalog-service-hash87dc3bc62d9b466312751bfd5f889726f4f1337bdff4e8be7da7c93d6c00a25a
request-idDEE4:28210C:1CD6ED:280B2C:6A5469F6
html-safe-noncee23ac9ee63ee501bb00d26b812c6471ad6375767376563ddae5b5822e51d9f59
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJERUU0OjI4MjEwQzoxQ0Q2RUQ6MjgwQjJDOjZBNTQ2OUY2IiwidmlzaXRvcl9pZCI6Ijc4OTMxMzg3NDkxNTYyNTYyNDYiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmac1c49db5e1b066be55182c445fe8fa1a661c4aafb536328d373ecd184c89a2c64
hovercard-subject-tagpull_request:3575888979
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,checks,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///pull_requests/show/checks
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/python/cpython/pull/148940/checks
twitter:imagehttps://opengraph.githubassets.com/e6e9c101c1d6e251279b3233c2db77b9ac1daa0d8365f9c7ac5d0953717d8c1c/python/cpython/pull/148940
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/e6e9c101c1d6e251279b3233c2db77b9ac1daa0d8365f9c7ac5d0953717d8c1c/python/cpython/pull/148940
og:image:altAsking the OS for the process memory usage doesn't work well given how mimalloc works. It does not promptly return memory to the OS and so the memory doesn't drop after cyclic trash is fre...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamenascheme
hostnamegithub.com
expected-hostnamegithub.com
Noneb9a586c06a05a7a86fc7e3f4dbd03e42f6869085879aa184aa6369456dbd50fb
turbo-cache-controlno-cache
go-importgithub.com/python/cpython git https://github.com/python/cpython.git
octolytics-dimension-user_id1525981
octolytics-dimension-user_loginpython
octolytics-dimension-repository_id81598961
octolytics-dimension-repository_nwopython/cpython
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id81598961
octolytics-dimension-repository_network_root_nwopython/cpython
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release6d28624802c2f7d9500239dd6870ed7031b7353b
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/148940/checks#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F148940%2Fchecks
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub Copilot appDirect agents from issue to mergehttps://github.com/features/ai/github-app
MCP RegistryNewIntegrate external toolshttps://github.com/mcp
ActionsAutomate any workflowhttps://github.com/features/actions
CodespacesInstant dev environmentshttps://github.com/features/codespaces
IssuesPlan and track workhttps://github.com/features/issues
Code ReviewManage code changeshttps://github.com/features/code-review
GitHub Advanced SecurityFind and fix vulnerabilitieshttps://github.com/security/advanced-security
Code securitySecure your code as you buildhttps://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they starthttps://github.com/security/advanced-security/secret-protection
Why GitHubhttps://github.com/why-github
Documentationhttps://docs.github.com
Bloghttps://github.blog
Changeloghttps://github.blog/changelog
Marketplacehttps://github.com/marketplace
View all featureshttps://github.com/features
Enterpriseshttps://github.com/enterprise
Small and medium teamshttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
App Modernizationhttps://github.com/solutions/use-case/app-modernization
DevSecOpshttps://github.com/solutions/use-case/devsecops
DevOpshttps://github.com/solutions/use-case/devops
CI/CDhttps://github.com/solutions/use-case/ci-cd
View all use caseshttps://github.com/solutions/use-case
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
View all industrieshttps://github.com/solutions/industry
View all solutionshttps://github.com/solutions
AIhttps://github.com/resources/articles?topic=ai
Software Developmenthttps://github.com/resources/articles?topic=software-development
DevOpshttps://github.com/resources/articles?topic=devops
Securityhttps://github.com/resources/articles?topic=security
View all topicshttps://github.com/resources/articles
Customer storieshttps://github.com/customer-stories
Events & webinarshttps://github.com/resources/events
Ebooks & reportshttps://github.com/resources/whitepapers
Business insightshttps://github.com/solutions/executive-insights
GitHub Skillshttps://skills.github.com
Documentationhttps://docs.github.com
Customer supporthttps://support.github.com
Community forumhttps://github.com/orgs/community/discussions
Trust centerhttps://github.com/trust-center
Partnershttps://github.com/partners
View all resourceshttps://github.com/resources
GitHub SponsorsFund open source developershttps://github.com/open-source/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/open-source/accelerator
GitHub Starshttps://stars.github.com
Archive Programhttps://archiveprogram.github.com
Topicshttps://github.com/topics
Trendinghttps://github.com/trending
Collectionshttps://github.com/collections
Enterprise platformAI-powered developer platformhttps://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security featureshttps://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/enterprise/premium-support
Pricinghttps://github.com/pricing
Search syntax tipshttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentationhttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F148940%2Fchecks
Sign up https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fpull_requests%2Fshow%2Fchecks&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/pull/148940/checks
Reloadhttps://github.com/python/cpython/pull/148940/checks
Reloadhttps://github.com/python/cpython/pull/148940/checks
Please reload this pagehttps://github.com/python/cpython/pull/148940/checks
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/148940/checks
Notifications https://github.com/login?return_to=%2Fpython%2Fcpython
Fork 35k https://github.com/login?return_to=%2Fpython%2Fcpython
Star 73.8k https://github.com/login?return_to=%2Fpython%2Fcpython
Code https://github.com/python/cpython
Issues 5k+ https://github.com/python/cpython/issues
Pull requests 2.3k https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects https://github.com/python/cpython/projects
Security and quality 0 https://github.com/python/cpython/security
Insights https://github.com/python/cpython/pulse
Code https://github.com/python/cpython
Issues https://github.com/python/cpython/issues
Pull requests https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects https://github.com/python/cpython/projects
Security and quality https://github.com/python/cpython/security
Insights https://github.com/python/cpython/pulse
naschemehttps://github.com/nascheme
python:mainhttps://github.com/python/cpython/tree/main
nascheme:ft-gc-threshold-fix-mainhttps://github.com/nascheme/cpython/tree/ft-gc-threshold-fix-main
Conversationhttps://github.com/python/cpython/pull/148940
Commits8 (8)https://github.com/python/cpython/pull/148940/commits
Checkshttps://github.com/python/cpython/pull/148940/checks
Files changedhttps://github.com/python/cpython/pull/148940/files
GH-148937: fix for free-threaded GC (RSS based defer)https://github.com/python/cpython/pull/148940/checks#top
naschemehttps://github.com/nascheme
python:mainhttps://github.com/python/cpython/tree/main
nascheme:ft-gc-threshold-fix-mainhttps://github.com/nascheme/cpython/tree/ft-gc-threshold-fix-main
Please reload this pagehttps://github.com/python/cpython/pull/148940/checks
Sign in for the full log viewhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F148940%2Fchecks
Lint on: pull_request https://github.com/python/cpython/actions/runs/25291197913
lint https://github.com/python/cpython/actions/runs/25291197913/job/74143158340?pr=148940
Check labels on: pull_request https://github.com/python/cpython/actions/runs/25291197916
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/25291197916/job/74143158349?pr=148940
Unresolved review https://github.com/python/cpython/actions/runs/25291197916/job/74143158350?pr=148940
JIT on: pull_request https://github.com/python/cpython/actions/runs/25291197922
Interpreter (Debug) https://github.com/python/cpython/actions/runs/25291197922/job/74143158439?pr=148940
i686-pc-windows-msvc/msvc (Debug) https://github.com/python/cpython/actions/runs/25291197922/job/74143158547?pr=148940
i686-pc-windows-msvc/msvc (Release) https://github.com/python/cpython/actions/runs/25291197922/job/74143158518?pr=148940
x86_64-pc-windows-msvc/msvc (Debug) https://github.com/python/cpython/actions/runs/25291197922/job/74143158517?pr=148940
x86_64-pc-windows-msvc/msvc (Release) https://github.com/python/cpython/actions/runs/25291197922/job/74143158538?pr=148940
aarch64-pc-windows-msvc/msvc (Debug) https://github.com/python/cpython/actions/runs/25291197922/job/74143158492?pr=148940
aarch64-pc-windows-msvc/msvc (Release) https://github.com/python/cpython/actions/runs/25291197922/job/74143158522?pr=148940
x86_64-apple-darwin/clang (Debug) https://github.com/python/cpython/actions/runs/25291197922/job/74143158431?pr=148940
x86_64-apple-darwin/clang (Release) https://github.com/python/cpython/actions/runs/25291197922/job/74143158440?pr=148940
aarch64-apple-darwin/clang (Debug) https://github.com/python/cpython/actions/runs/25291197922/job/74143158422?pr=148940
aarch64-apple-darwin/clang (Release) https://github.com/python/cpython/actions/runs/25291197922/job/74143158434?pr=148940
x86_64-unknown-linux-gnu/gcc (Debug) https://github.com/python/cpython/actions/runs/25291197922/job/74143158436?pr=148940
x86_64-unknown-linux-gnu/gcc (Release) https://github.com/python/cpython/actions/runs/25291197922/job/74143158443?pr=148940
aarch64-unknown-linux-gnu/gcc (Debug) https://github.com/python/cpython/actions/runs/25291197922/job/74143158545?pr=148940
aarch64-unknown-linux-gnu/gcc (Release) https://github.com/python/cpython/actions/runs/25291197922/job/74143158503?pr=148940
Free-Threaded (Debug) https://github.com/python/cpython/actions/runs/25291197922/job/74143158441?pr=148940
JIT without optimizations (Debug) https://github.com/python/cpython/actions/runs/25291197922/job/74143158425?pr=148940
JIT with tail calling interpreter https://github.com/python/cpython/actions/runs/25291197922/job/74143158418?pr=148940
Tests on: pull_request https://github.com/python/cpython/actions/runs/25291197938
Change detection / Create context from changed files https://github.com/python/cpython/actions/runs/25291197938/job/74143158696?pr=148940
Docs / Docs https://github.com/python/cpython/actions/runs/25291197938/job/74143172086?pr=148940
Docs / Doctest https://github.com/python/cpython/actions/runs/25291197938/job/74143172062?pr=148940
Docs / Check EPUB https://github.com/python/cpython/actions/runs/25291197938/job/74143172075?pr=148940
Docs / Check for removed HTML IDs / Check for removed HTML IDs https://github.com/python/cpython/actions/runs/25291197938/job/74143283115?pr=148940
Check if Autoconf files are up to date https://github.com/python/cpython/actions/runs/25291197938/job/74143171783?pr=148940
Check if generated files are up to date https://github.com/python/cpython/actions/runs/25291197938/job/74143171778?pr=148940
C API Docs / Check if all C APIs are documented https://github.com/python/cpython/actions/runs/25291197938/job/74143171871?pr=148940
Windows / Build and test (x64, switch-case) https://github.com/python/cpython/actions/runs/25291197938/job/74143171954?pr=148940
Windows (free-threading) / Build and test (x64, switch-case) https://github.com/python/cpython/actions/runs/25291197938/job/74143171984?pr=148940
Windows / Build and test (Win32, switch-case) https://github.com/python/cpython/actions/runs/25291197938/job/74143171967?pr=148940
Windows / Build and test (arm64, switch-case) https://github.com/python/cpython/actions/runs/25291197938/job/74143171992?pr=148940
Windows (free-threading) / Build and test (arm64, switch-case) https://github.com/python/cpython/actions/runs/25291197938/job/74143172006?pr=148940
Windows / Build and test (x64, tail-call) https://github.com/python/cpython/actions/runs/25291197938/job/74143172007?pr=148940
Windows (free-threading) / Build and test (x64, tail-call) https://github.com/python/cpython/actions/runs/25291197938/job/74143171955?pr=148940
Windows MSI${{ '' }} https://github.com/python/cpython/actions/runs/25291197938/job/74143171983?pr=148940
macOS / build and test (macos-26) https://github.com/python/cpython/actions/runs/25291197938/job/74143172018?pr=148940
macOS (free-threading) / build and test (macos-26) https://github.com/python/cpython/actions/runs/25291197938/job/74143172013?pr=148940
macOS / build and test (macos-15-intel) https://github.com/python/cpython/actions/runs/25291197938/job/74143172015?pr=148940
Ubuntu / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/25291197938/job/74143172035?pr=148940
Ubuntu / build and test (ubuntu-24.04-arm) https://github.com/python/cpython/actions/runs/25291197938/job/74143172009?pr=148940
Ubuntu (free-threading) / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/25291197938/job/74143172032?pr=148940
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm) https://github.com/python/cpython/actions/runs/25291197938/job/74143172040?pr=148940
Ubuntu (bolt) / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/25291197938/job/74143172041?pr=148940
Ubuntu SSL tests (ubuntu-24.04, openssl, 1.1.1w) https://github.com/python/cpython/actions/runs/25291197938/job/74143171862?pr=148940
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.0.20) https://github.com/python/cpython/actions/runs/25291197938/job/74143171863?pr=148940
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.3.7) https://github.com/python/cpython/actions/runs/25291197938/job/74143171856?pr=148940
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.4.5) https://github.com/python/cpython/actions/runs/25291197938/job/74143171858?pr=148940
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.5.6) https://github.com/python/cpython/actions/runs/25291197938/job/74143171853?pr=148940
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.6.2) https://github.com/python/cpython/actions/runs/25291197938/job/74143171852?pr=148940
Ubuntu SSL tests (ubuntu-24.04, aws-lc, 1.72.1) https://github.com/python/cpython/actions/runs/25291197938/job/74143171874?pr=148940
Android (aarch64) https://github.com/python/cpython/actions/runs/25291197938/job/74143171880?pr=148940
Android (x86_64) https://github.com/python/cpython/actions/runs/25291197938/job/74143171825?pr=148940
iOS https://github.com/python/cpython/actions/runs/25291197938/job/74143171791?pr=148940
Emscripten / build and test https://github.com/python/cpython/actions/runs/25291197938/job/74143171927?pr=148940
WASI / build and test https://github.com/python/cpython/actions/runs/25291197938/job/74143171937?pr=148940
Hypothesis tests on Ubuntu https://github.com/python/cpython/actions/runs/25291197938/job/74143171832?pr=148940
Address sanitizer (ubuntu-24.04) https://github.com/python/cpython/actions/runs/25291197938/job/74143171829?pr=148940
Sanitizers / TSan https://github.com/python/cpython/actions/runs/25291197938/job/74143172036?pr=148940
Sanitizers / TSan (free-threading) https://github.com/python/cpython/actions/runs/25291197938/job/74143172026?pr=148940
Sanitizers / UBSan https://github.com/python/cpython/actions/runs/25291197938/job/74143172057?pr=148940
Cross build Linux https://github.com/python/cpython/actions/runs/25291197938/job/74143171801?pr=148940
CIFuzz / cpython3 (address) https://github.com/python/cpython/actions/runs/25291197938/job/74143172046?pr=148940
CIFuzz / cpython3 (undefined) https://github.com/python/cpython/actions/runs/25291197938/job/74143172063?pr=148940
CIFuzz / cpython3 (memory) https://github.com/python/cpython/actions/runs/25291197938/job/74143172055?pr=148940
All required checks pass https://github.com/python/cpython/actions/runs/25291197938/job/74144710821?pr=148940
ClusterFuzzLite/CIFuzz https://github.com/python/cpython/pull/148940/checks?check_run_id=74144203994
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width

URLs of crawlers that visited me.