René's URL Explorer Experiment


Title: Port async-profiler#1701: optimize nmethod type checks by jbachorik · Pull Request #423 · DataDog/java-profiler · GitHub

Open Graph Title: Port async-profiler#1701: optimize nmethod type checks by jbachorik · Pull Request #423 · DataDog/java-profiler

X Title: Port async-profiler#1701: optimize nmethod type checks by jbachorik · Pull Request #423 · DataDog/java-profiler

Description: Contribute to DataDog/java-profiler development by creating an account on GitHub.

Open Graph Description: What does this PR do?: Ports async-profiler#1701 (commit cc0eab1) into the Datadog fork, adapting it for our VMNMethod-based class structure. Motivation: Upstream measured up to ~11% improvement in...

X Description: What does this PR do?: Ports async-profiler#1701 (commit cc0eab1) into the Datadog fork, adapting it for our VMNMethod-based class structure. Motivation: Upstream measured up to ~11% improvement in...

Opengraph URL: https://github.com/DataDog/java-profiler/pull/423

X: @github

direct link

Domain: github.com

route-pattern/_view_fragments/voltron/pull_requests/show/:user_id/:repository/:id/pull_request_layout(.:format)
route-controllervoltron_pull_requests_fragments
route-actionpull_request_layout
fetch-noncev2:a09257be-efa7-9b18-5842-58803013e60b
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idB346:32255D:6FE6AF:975706:6A4D4393
html-safe-nonce513f05422ae601c838bffa642ad8f50704e3667637e9717277d3602a47ebbae0
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJCMzQ2OjMyMjU1RDo2RkU2QUY6OTc1NzA2OjZBNEQ0MzkzIiwidmlzaXRvcl9pZCI6IjY0OTAyMzY4MDM0NTgzNTIwMTkiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmac01b2ea76486e7dd6f93711cddf7e9e3fa3973d2fa194e5b0d7b18d86bf4df261
hovercard-subject-tagpull_request:3421922406
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///voltron/pull_requests_fragments/pull_request_layout
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/_view_fragments/voltron/pull_requests/show/DataDog/java-profiler/423/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/e8ab90376963adac490eafdc25c2b405db5ec4539d9e5b3a58e10645bef6991c/DataDog/java-profiler/pull/423
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/e8ab90376963adac490eafdc25c2b405db5ec4539d9e5b3a58e10645bef6991c/DataDog/java-profiler/pull/423
og:image:altWhat does this PR do?: Ports async-profiler#1701 (commit cc0eab1) into the Datadog fork, adapting it for our VMNMethod-based class structure. Motivation: Upstream measured up to ~11% improvement in...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamejbachorik
hostnamegithub.com
expected-hostnamegithub.com
None92571a8944142227b7e19cd10918b1ddd06e5066c1ad5bc7e4769cf6140a87e6
turbo-cache-controlno-cache
go-importgithub.com/DataDog/java-profiler git https://github.com/DataDog/java-profiler.git
octolytics-dimension-user_id365230
octolytics-dimension-user_loginDataDog
octolytics-dimension-repository_id585532470
octolytics-dimension-repository_nwoDataDog/java-profiler
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id585532470
octolytics-dimension-repository_network_root_nwoDataDog/java-profiler
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
release56fc8347865a14e2ec811533d68f929cf4e0ec19
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/DataDog/java-profiler/pull/423#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2FDataDog%2Fjava-profiler%2Fpull%2F423
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/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/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/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%2FDataDog%2Fjava-profiler%2Fpull%2F423
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%2Fvoltron%2Fpull_requests_fragments%2Fpull_request_layout&source=header-repo&source_repo=DataDog%2Fjava-profiler
Reloadhttps://github.com/DataDog/java-profiler/pull/423
Reloadhttps://github.com/DataDog/java-profiler/pull/423
Reloadhttps://github.com/DataDog/java-profiler/pull/423
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/423
DataDog https://github.com/DataDog
java-profilerhttps://github.com/DataDog/java-profiler
Notifications https://github.com/login?return_to=%2FDataDog%2Fjava-profiler
Fork 12 https://github.com/login?return_to=%2FDataDog%2Fjava-profiler
Star 32 https://github.com/login?return_to=%2FDataDog%2Fjava-profiler
Code https://github.com/DataDog/java-profiler
Issues 8 https://github.com/DataDog/java-profiler/issues
Pull requests 13 https://github.com/DataDog/java-profiler/pulls
Actions https://github.com/DataDog/java-profiler/actions
Security and quality 0 https://github.com/DataDog/java-profiler/security
Insights https://github.com/DataDog/java-profiler/pulse
Code https://github.com/DataDog/java-profiler
Issues https://github.com/DataDog/java-profiler/issues
Pull requests https://github.com/DataDog/java-profiler/pulls
Actions https://github.com/DataDog/java-profiler/actions
Security and quality https://github.com/DataDog/java-profiler/security
Insights https://github.com/DataDog/java-profiler/pulse
jbachorikhttps://github.com/jbachorik
mainhttps://github.com/DataDog/java-profiler/tree/main
jb/ap_1701https://github.com/DataDog/java-profiler/tree/jb/ap_1701
Conversationhttps://github.com/DataDog/java-profiler/pull/423
Commits2 (2)https://github.com/DataDog/java-profiler/pull/423/commits
Checkshttps://github.com/DataDog/java-profiler/pull/423/checks
Files changedhttps://github.com/DataDog/java-profiler/pull/423/files
Port async-profiler#1701: optimize nmethod type checkshttps://github.com/DataDog/java-profiler/pull/423#top
jbachorikhttps://github.com/jbachorik
mainhttps://github.com/DataDog/java-profiler/tree/main
jb/ap_1701https://github.com/DataDog/java-profiler/tree/jb/ap_1701
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
Mar 19, 2026https://github.com/DataDog/java-profiler/pull/423#issue-4104075268
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/423
async-profiler#1701https://github.com/async-profiler/async-profiler/pull/1701
cc0eab1https://github.com/async-profiler/async-profiler/commit/cc0eab17890faaf20faa5842c6e5685ab6277238
Upstream async-profiler changes detected (2026-03-19) #421https://github.com/DataDog/java-profiler/issues/421
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/423
https://github.com/jbachorik
https://github.com/claude
Port async-profiler#1701: optimize nmethod type checkshttps://github.com/DataDog/java-profiler/pull/423/commits/40950e62c70b15522e56e4af4935644b79dc1c99
40950e6https://github.com/DataDog/java-profiler/pull/423/commits/40950e62c70b15522e56e4af4935644b79dc1c99
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
AI https://github.com/DataDog/java-profiler/issues?q=state%3Aopen%20label%3AAI
Mar 19, 2026https://github.com/DataDog/java-profiler/pull/423#event-23731881356
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
March 19, 2026 20:37https://github.com/DataDog/java-profiler/pull/423#event-23732046879
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
code ownerhttps://github.com/DataDog/java-profiler/blob/0d2637d006ca44e3a6dc730103b71df71e59fef2/.github/CODEOWNERS#L4
March 19, 2026 20:37https://github.com/DataDog/java-profiler/pull/423#event-23732047157
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
rkennkehttps://github.com/rkennke
zhengyu123https://github.com/zhengyu123
March 19, 2026 20:39https://github.com/DataDog/java-profiler/pull/423#event-23732109706
https://github.com/apps/dd-octo-sts
dd-octo-stshttps://github.com/apps/dd-octo-sts
Mar 19, 2026https://github.com/DataDog/java-profiler/pull/423#issuecomment-4093182458
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/423
#23379845165https://github.com/DataDog/java-profiler/actions/runs/23379845165
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675111
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675110
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675068
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675121
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675060
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675066
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675100
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675105
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675065
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675109
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675058
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675059
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675067
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675118
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675085
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675106
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675070
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675122
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675046
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675064
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675069
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675102
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675079
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675114
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675049
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675053
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675088
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675097
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675076
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675101
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675045
✅https://github.com/DataDog/java-profiler/actions/runs/23379845165/job/68017675063
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/423
https://github.com/zhengyu123
zhengyu123https://github.com/zhengyu123
Mar 20, 2026 https://github.com/DataDog/java-profiler/pull/423#pullrequestreview-3981656678
View reviewed changes https://github.com/DataDog/java-profiler/pull/423/files/40950e62c70b15522e56e4af4935644b79dc1c99
ddprof-lib/src/main/cpp/vmStructs.hhttps://github.com/DataDog/java-profiler/pull/423/files/40950e62c70b15522e56e4af4935644b79dc1c99#diff-68ea3280791254d8f045e3ad702f692bf5803c35d23f5e843767d7334c85a868
zhengyu123https://github.com/zhengyu123
Mar 20, 2026https://github.com/DataDog/java-profiler/pull/423#discussion_r2965878447
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/423
jbachorikhttps://github.com/jbachorik
Mar 21, 2026https://github.com/DataDog/java-profiler/pull/423#discussion_r2969538869
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/423
https://github.com/jbachorik
https://github.com/claude
Move startsWith to file-scope inline utilityhttps://github.com/DataDog/java-profiler/pull/423/commits/0cf5358d4f11702370fccfbf35876a2e29ffeb17
0cf5358https://github.com/DataDog/java-profiler/pull/423/commits/0cf5358d4f11702370fccfbf35876a2e29ffeb17
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
abe43f3https://github.com/DataDog/java-profiler/commit/abe43f39f6af80a9f7571ab610a5ab6fec894743
Mar 21, 2026https://github.com/DataDog/java-profiler/pull/423#event-23776601415
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/423
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
March 21, 2026 12:58https://github.com/DataDog/java-profiler/pull/423#event-23776601805
https://github.com/apps/github-actions
github-actionshttps://github.com/apps/github-actions
1.40.0https://github.com/DataDog/java-profiler/milestone/47
Mar 21, 2026https://github.com/DataDog/java-profiler/pull/423#event-23776603159
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
Mar 22, 2026 https://github.com/DataDog/java-profiler/pull/423#ref-pullrequest-4116850845
Update Java profiler library to 1.40.0 DataDog/dd-trace-java#10926 https://github.com/DataDog/dd-trace-java/pull/10926
https://github.co/hiddenchars
https://github.com/DataDog/java-profiler/pull/{{ revealButtonHref }}
Sign up for freehttps://github.com/join?source=comment-repo
Sign in to commenthttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2FDataDog%2Fjava-profiler%2Fpull%2F423
https://github.com/zhengyu123
zhengyu123 https://github.com/zhengyu123
https://github.com/DataDog/java-profiler/pull/423/files/40950e62c70b15522e56e4af4935644b79dc1c99
https://github.com/rkennke
rkennke https://github.com/rkennke
AI https://github.com/DataDog/java-profiler/issues?q=state%3Aopen%20label%3AAI
1.40.0 https://github.com/DataDog/java-profiler/milestone/47
Upstream async-profiler changes detected (2026-03-19) https://github.com/DataDog/java-profiler/issues/421
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/423
https://github.com/jbachorik
https://github.com/zhengyu123
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.