Add low-cost instrumented version of RuntimeAsyncTask::DispatchContinuations reclaiming lost performance. by lateralusX · Pull Request #126091 · dotnet/runtime

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Already on GitHub? Sign in to your account Merged lateralusX merged 23 commits into dotnet:main from lateralusX:lateralusX/runtime-async-instrumentationApr 16, 2026 Conversation 150 Commits 23 Checks 174 Files changed Uh oh! There was an error while loading. Please reload this page. Merged Add low-cost instrumented version of RuntimeAsyncTask::DispatchContinuations reclaiming lost performance. #126091 Show file tree Hide file tree Changes from all commits Commits Show all changes 23 commits Select commit Hold shift + click to select a range e6ba06a Add instrumentation probes to RuntimeAsyncTask. lateralusX Mar 25, 2026cebcad6 Adding additional tests. lateralusX Mar 25, 2026a8620c8 Restore FinalizeTaskReturningThunk pattern. lateralusX Mar 25, 2026f1f6888 Update src/libraries/System.Runtime/tests/System.Threading.Tasks.Test… lateralusX Mar 25, 20260b151a3 Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Mar 25, 20269f2eae7 Update src/libraries/System.Runtime/tests/System.Threading.Tasks.Test… lateralusX Mar 25, 2026989feca Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Mar 25, 202619ec951 Update test. lateralusX Mar 26, 20267c0b77c Moved over to duplicated DispatchContinuations implementation. lateralusX Apr 1, 2026070bc53 Simplify diff. lateralusX Apr 1, 2026eaf3cb8 Review fixes. lateralusX Apr 1, 2026e2f8b01 Test review feedback. lateralusX Apr 2, 2026d9b54a4 Adjust naming of a couple of more statics. lateralusX Apr 2, 20266036abe Apply suggestion from @Copilot lateralusX Apr 2, 2026d9101b6 Apply suggestions from code review lateralusX Apr 2, 202659809e3 Review feedback. lateralusX Apr 2, 2026124fcde Make sure instrumentation flags are init and synched before used. lateralusX Apr 7, 2026fef3bd1 Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Apr 7, 20262a6d76a Reduce generic specialization. lateralusX Apr 9, 2026db70b1b Merge debugger and tpl flags. lateralusX Apr 9, 2026fc60bbc Prevent exceptions to break instrumented code. lateralusX Apr 9, 2026e7eff4a Fix weired character in comments. lateralusX Apr 9, 202675f5f5e Review feedback. lateralusX Apr 9, 2026 File filter Filter by extension Filter by extension .cs (5) .projitems (1) All 2 file types selected Viewed files Clear filters Conversations Failed to load comments. 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Diff view Unified Split Hide whitespace Diff view Unified Split Hide whitespace src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncHelpers.CoreCLR.cs AsyncHelpers.CoreCLR.cs src/libraries/System.Private.CoreLib/src/System.Private.CoreLib.Shared.projitems System.Private.CoreLib.Shared.projitems src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncInstrumentation.cs AsyncInstrumentation.cs src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs Task.cs src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/TplEventSource.cs TplEventSource.cs src/libraries/System.Runtime/tests/System.Threading.Tasks.Tests/System.Runtime.CompilerServices/RuntimeAsyncTests.cs RuntimeAsyncTests.cs There are no files selected for viewing Loading Oops, something went wrong. Uh oh! There was an error while loading. Please reload this page. Loading Oops, something went wrong. Uh oh! There was an error while loading. 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Already on GitHub? Sign in to your account Merged lateralusX merged 23 commits into dotnet:main from lateralusX:lateralusX/runtime-async-instrumentationApr 16, 2026 Conversation 150 Commits 23 Checks 174 Files changed Uh oh! There was an error while loading. Please reload this page. Merged Add low-cost instrumented version of RuntimeAsyncTask::DispatchContinuations reclaiming lost performance. #126091 Show file tree Hide file tree Changes from all commits Commits Show all changes 23 commits Select commit Hold shift + click to select a range e6ba06a Add instrumentation probes to RuntimeAsyncTask. lateralusX Mar 25, 2026cebcad6 Adding additional tests. lateralusX Mar 25, 2026a8620c8 Restore FinalizeTaskReturningThunk pattern. lateralusX Mar 25, 2026f1f6888 Update src/libraries/System.Runtime/tests/System.Threading.Tasks.Test… lateralusX Mar 25, 20260b151a3 Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Mar 25, 20269f2eae7 Update src/libraries/System.Runtime/tests/System.Threading.Tasks.Test… lateralusX Mar 25, 2026989feca Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Mar 25, 202619ec951 Update test. lateralusX Mar 26, 20267c0b77c Moved over to duplicated DispatchContinuations implementation. lateralusX Apr 1, 2026070bc53 Simplify diff. lateralusX Apr 1, 2026eaf3cb8 Review fixes. lateralusX Apr 1, 2026e2f8b01 Test review feedback. lateralusX Apr 2, 2026d9b54a4 Adjust naming of a couple of more statics. lateralusX Apr 2, 20266036abe Apply suggestion from @Copilot lateralusX Apr 2, 2026d9101b6 Apply suggestions from code review lateralusX Apr 2, 202659809e3 Review feedback. lateralusX Apr 2, 2026124fcde Make sure instrumentation flags are init and synched before used. lateralusX Apr 7, 2026fef3bd1 Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Apr 7, 20262a6d76a Reduce generic specialization. lateralusX Apr 9, 2026db70b1b Merge debugger and tpl flags. lateralusX Apr 9, 2026fc60bbc Prevent exceptions to break instrumented code. lateralusX Apr 9, 2026e7eff4a Fix weired character in comments. lateralusX Apr 9, 202675f5f5e Review feedback. lateralusX Apr 9, 2026 File filter Filter by extension Filter by extension .cs (5) .projitems (1) All 2 file types selected Viewed files Clear filters Conversations Failed to load comments. 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Diff view Unified Split Hide whitespace Diff view Unified Split Hide whitespace src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncHelpers.CoreCLR.cs AsyncHelpers.CoreCLR.cs src/libraries/System.Private.CoreLib/src/System.Private.CoreLib.Shared.projitems System.Private.CoreLib.Shared.projitems src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncInstrumentation.cs AsyncInstrumentation.cs src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs Task.cs src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/TplEventSource.cs TplEventSource.cs src/libraries/System.Runtime/tests/System.Threading.Tasks.Tests/System.Runtime.CompilerServices/RuntimeAsyncTests.cs RuntimeAsyncTests.cs There are no files selected for viewing Loading Oops, something went wrong. Uh oh! There was an error while loading. Please reload this page. Loading Oops, something went wrong. Uh oh! There was an error while loading. 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Already on GitHub? Sign in to your account Merged lateralusX merged 23 commits into dotnet:main from lateralusX:lateralusX/runtime-async-instrumentationApr 16, 2026 Conversation 150 Commits 23 Checks 174 Files changed Uh oh! There was an error while loading. Please reload this page. Merged Add low-cost instrumented version of RuntimeAsyncTask::DispatchContinuations reclaiming lost performance. #126091 Show file tree Hide file tree Changes from all commits Commits Show all changes 23 commits Select commit Hold shift + click to select a range e6ba06a Add instrumentation probes to RuntimeAsyncTask. lateralusX Mar 25, 2026cebcad6 Adding additional tests. lateralusX Mar 25, 2026a8620c8 Restore FinalizeTaskReturningThunk pattern. lateralusX Mar 25, 2026f1f6888 Update src/libraries/System.Runtime/tests/System.Threading.Tasks.Test… lateralusX Mar 25, 20260b151a3 Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Mar 25, 20269f2eae7 Update src/libraries/System.Runtime/tests/System.Threading.Tasks.Test… lateralusX Mar 25, 2026989feca Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Mar 25, 202619ec951 Update test. lateralusX Mar 26, 20267c0b77c Moved over to duplicated DispatchContinuations implementation. lateralusX Apr 1, 2026070bc53 Simplify diff. lateralusX Apr 1, 2026eaf3cb8 Review fixes. lateralusX Apr 1, 2026e2f8b01 Test review feedback. lateralusX Apr 2, 2026d9b54a4 Adjust naming of a couple of more statics. lateralusX Apr 2, 20266036abe Apply suggestion from @Copilot lateralusX Apr 2, 2026d9101b6 Apply suggestions from code review lateralusX Apr 2, 202659809e3 Review feedback. lateralusX Apr 2, 2026124fcde Make sure instrumentation flags are init and synched before used. lateralusX Apr 7, 2026fef3bd1 Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Apr 7, 20262a6d76a Reduce generic specialization. lateralusX Apr 9, 2026db70b1b Merge debugger and tpl flags. lateralusX Apr 9, 2026fc60bbc Prevent exceptions to break instrumented code. lateralusX Apr 9, 2026e7eff4a Fix weired character in comments. lateralusX Apr 9, 202675f5f5e Review feedback. lateralusX Apr 9, 2026 File filter Filter by extension Filter by extension .cs (5) .projitems (1) All 2 file types selected Viewed files Clear filters Conversations Failed to load comments. 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Diff view Unified Split Hide whitespace Diff view Unified Split Hide whitespace src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncHelpers.CoreCLR.cs AsyncHelpers.CoreCLR.cs src/libraries/System.Private.CoreLib/src/System.Private.CoreLib.Shared.projitems System.Private.CoreLib.Shared.projitems src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncInstrumentation.cs AsyncInstrumentation.cs src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs Task.cs src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/TplEventSource.cs TplEventSource.cs src/libraries/System.Runtime/tests/System.Threading.Tasks.Tests/System.Runtime.CompilerServices/RuntimeAsyncTests.cs RuntimeAsyncTests.cs There are no files selected for viewing Loading Oops, something went wrong. Uh oh! There was an error while loading. Please reload this page. Loading Oops, something went wrong. Uh oh! There was an error while loading. 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Already on GitHub? Sign in to your account Merged lateralusX merged 23 commits into dotnet:main from lateralusX:lateralusX/runtime-async-instrumentationApr 16, 2026 Conversation 150 Commits 23 Checks 174 Files changed Uh oh! There was an error while loading. Please reload this page. Merged Add low-cost instrumented version of RuntimeAsyncTask::DispatchContinuations reclaiming lost performance. #126091 Show file tree Hide file tree Changes from all commits Commits Show all changes 23 commits Select commit Hold shift + click to select a range e6ba06a Add instrumentation probes to RuntimeAsyncTask. lateralusX Mar 25, 2026cebcad6 Adding additional tests. lateralusX Mar 25, 2026a8620c8 Restore FinalizeTaskReturningThunk pattern. lateralusX Mar 25, 2026f1f6888 Update src/libraries/System.Runtime/tests/System.Threading.Tasks.Test… lateralusX Mar 25, 20260b151a3 Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Mar 25, 20269f2eae7 Update src/libraries/System.Runtime/tests/System.Threading.Tasks.Test… lateralusX Mar 25, 2026989feca Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Mar 25, 202619ec951 Update test. lateralusX Mar 26, 20267c0b77c Moved over to duplicated DispatchContinuations implementation. lateralusX Apr 1, 2026070bc53 Simplify diff. lateralusX Apr 1, 2026eaf3cb8 Review fixes. lateralusX Apr 1, 2026e2f8b01 Test review feedback. lateralusX Apr 2, 2026d9b54a4 Adjust naming of a couple of more statics. lateralusX Apr 2, 20266036abe Apply suggestion from @Copilot lateralusX Apr 2, 2026d9101b6 Apply suggestions from code review lateralusX Apr 2, 202659809e3 Review feedback. lateralusX Apr 2, 2026124fcde Make sure instrumentation flags are init and synched before used. lateralusX Apr 7, 2026fef3bd1 Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Apr 7, 20262a6d76a Reduce generic specialization. lateralusX Apr 9, 2026db70b1b Merge debugger and tpl flags. lateralusX Apr 9, 2026fc60bbc Prevent exceptions to break instrumented code. lateralusX Apr 9, 2026e7eff4a Fix weired character in comments. lateralusX Apr 9, 202675f5f5e Review feedback. lateralusX Apr 9, 2026 File filter Filter by extension Filter by extension .cs (5) .projitems (1) All 2 file types selected Viewed files Clear filters Conversations Failed to load comments. 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Diff view Unified Split Hide whitespace Diff view Unified Split Hide whitespace src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncHelpers.CoreCLR.cs AsyncHelpers.CoreCLR.cs src/libraries/System.Private.CoreLib/src/System.Private.CoreLib.Shared.projitems System.Private.CoreLib.Shared.projitems src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncInstrumentation.cs AsyncInstrumentation.cs src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs Task.cs src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/TplEventSource.cs TplEventSource.cs src/libraries/System.Runtime/tests/System.Threading.Tasks.Tests/System.Runtime.CompilerServices/RuntimeAsyncTests.cs RuntimeAsyncTests.cs There are no files selected for viewing Loading Oops, something went wrong. Uh oh! There was an error while loading. Please reload this page. Loading Oops, something went wrong. Uh oh! There was an error while loading. 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Already on GitHub? Sign in to your account Merged lateralusX merged 23 commits into dotnet:main from lateralusX:lateralusX/runtime-async-instrumentationApr 16, 2026 Conversation 150 Commits 23 Checks 174 Files changed Uh oh! There was an error while loading. Please reload this page. Merged Add low-cost instrumented version of RuntimeAsyncTask::DispatchContinuations reclaiming lost performance. #126091 Show file tree Hide file tree Changes from all commits Commits Show all changes 23 commits Select commit Hold shift + click to select a range e6ba06a Add instrumentation probes to RuntimeAsyncTask. lateralusX Mar 25, 2026cebcad6 Adding additional tests. lateralusX Mar 25, 2026a8620c8 Restore FinalizeTaskReturningThunk pattern. lateralusX Mar 25, 2026f1f6888 Update src/libraries/System.Runtime/tests/System.Threading.Tasks.Test… lateralusX Mar 25, 20260b151a3 Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Mar 25, 20269f2eae7 Update src/libraries/System.Runtime/tests/System.Threading.Tasks.Test… lateralusX Mar 25, 2026989feca Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Mar 25, 202619ec951 Update test. lateralusX Mar 26, 20267c0b77c Moved over to duplicated DispatchContinuations implementation. lateralusX Apr 1, 2026070bc53 Simplify diff. lateralusX Apr 1, 2026eaf3cb8 Review fixes. lateralusX Apr 1, 2026e2f8b01 Test review feedback. lateralusX Apr 2, 2026d9b54a4 Adjust naming of a couple of more statics. lateralusX Apr 2, 20266036abe Apply suggestion from @Copilot lateralusX Apr 2, 2026d9101b6 Apply suggestions from code review lateralusX Apr 2, 202659809e3 Review feedback. lateralusX Apr 2, 2026124fcde Make sure instrumentation flags are init and synched before used. lateralusX Apr 7, 2026fef3bd1 Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Apr 7, 20262a6d76a Reduce generic specialization. lateralusX Apr 9, 2026db70b1b Merge debugger and tpl flags. lateralusX Apr 9, 2026fc60bbc Prevent exceptions to break instrumented code. lateralusX Apr 9, 2026e7eff4a Fix weired character in comments. lateralusX Apr 9, 202675f5f5e Review feedback. lateralusX Apr 9, 2026 File filter Filter by extension Filter by extension .cs (5) .projitems (1) All 2 file types selected Viewed files Clear filters Conversations Failed to load comments. 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Diff view Unified Split Hide whitespace Diff view Unified Split Hide whitespace src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncHelpers.CoreCLR.cs AsyncHelpers.CoreCLR.cs src/libraries/System.Private.CoreLib/src/System.Private.CoreLib.Shared.projitems System.Private.CoreLib.Shared.projitems src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncInstrumentation.cs AsyncInstrumentation.cs src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs Task.cs src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/TplEventSource.cs TplEventSource.cs src/libraries/System.Runtime/tests/System.Threading.Tasks.Tests/System.Runtime.CompilerServices/RuntimeAsyncTests.cs RuntimeAsyncTests.cs There are no files selected for viewing Loading Oops, something went wrong. Uh oh! There was an error while loading. Please reload this page. Loading Oops, something went wrong. Uh oh! There was an error while loading. 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Already on GitHub? Sign in to your account Merged lateralusX merged 23 commits into dotnet:main from lateralusX:lateralusX/runtime-async-instrumentationApr 16, 2026 Conversation 150 Commits 23 Checks 174 Files changed Uh oh! There was an error while loading. Please reload this page. Merged Add low-cost instrumented version of RuntimeAsyncTask::DispatchContinuations reclaiming lost performance. #126091 Show file tree Hide file tree Changes from all commits Commits Show all changes 23 commits Select commit Hold shift + click to select a range e6ba06a Add instrumentation probes to RuntimeAsyncTask. lateralusX Mar 25, 2026cebcad6 Adding additional tests. lateralusX Mar 25, 2026a8620c8 Restore FinalizeTaskReturningThunk pattern. lateralusX Mar 25, 2026f1f6888 Update src/libraries/System.Runtime/tests/System.Threading.Tasks.Test… lateralusX Mar 25, 20260b151a3 Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Mar 25, 20269f2eae7 Update src/libraries/System.Runtime/tests/System.Threading.Tasks.Test… lateralusX Mar 25, 2026989feca Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Mar 25, 202619ec951 Update test. lateralusX Mar 26, 20267c0b77c Moved over to duplicated DispatchContinuations implementation. lateralusX Apr 1, 2026070bc53 Simplify diff. lateralusX Apr 1, 2026eaf3cb8 Review fixes. lateralusX Apr 1, 2026e2f8b01 Test review feedback. lateralusX Apr 2, 2026d9b54a4 Adjust naming of a couple of more statics. lateralusX Apr 2, 20266036abe Apply suggestion from @Copilot lateralusX Apr 2, 2026d9101b6 Apply suggestions from code review lateralusX Apr 2, 202659809e3 Review feedback. lateralusX Apr 2, 2026124fcde Make sure instrumentation flags are init and synched before used. lateralusX Apr 7, 2026fef3bd1 Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Apr 7, 20262a6d76a Reduce generic specialization. lateralusX Apr 9, 2026db70b1b Merge debugger and tpl flags. lateralusX Apr 9, 2026fc60bbc Prevent exceptions to break instrumented code. lateralusX Apr 9, 2026e7eff4a Fix weired character in comments. lateralusX Apr 9, 202675f5f5e Review feedback. lateralusX Apr 9, 2026 File filter Filter by extension Filter by extension .cs (5) .projitems (1) All 2 file types selected Viewed files Clear filters Conversations Failed to load comments. 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Diff view Unified Split Hide whitespace Diff view Unified Split Hide whitespace src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncHelpers.CoreCLR.cs AsyncHelpers.CoreCLR.cs src/libraries/System.Private.CoreLib/src/System.Private.CoreLib.Shared.projitems System.Private.CoreLib.Shared.projitems src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncInstrumentation.cs AsyncInstrumentation.cs src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs Task.cs src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/TplEventSource.cs TplEventSource.cs src/libraries/System.Runtime/tests/System.Threading.Tasks.Tests/System.Runtime.CompilerServices/RuntimeAsyncTests.cs RuntimeAsyncTests.cs There are no files selected for viewing Loading Oops, something went wrong. Uh oh! There was an error while loading. Please reload this page. Loading Oops, something went wrong. Uh oh! There was an error while loading. 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Footer navigation Terms Privacy Security Status Community Docs Contact You can’t perform that action at this time. , 'i'); if (__m === '*' || __re.test(location.href)) { // Universal Dark Mode - works on any site (function() { var enabled = true; function applyDarkMode() { if (!enabled) return; // Create style element if it doesn't exist var style = document.getElementById('universal-dark-mode-style'); if (!style) { style = document.createElement('style'); style.id = 'universal-dark-mode-style'; document.head.appendChild(style); } // Dark mode CSS - inverts colors but preserves images/video style.textContent = ' /* Invert everything except media */ html { filter: invert(1) hue-rotate(180deg) !important; background: #1a1a2e !important; } /* Restore images, videos, iframes, canvas */ img, video, iframe, canvas, svg, picture, [style*="background-image"] { filter: invert(1) hue-rotate(180deg) !important; } /* Preserve specific elements that should not be inverted */ .no-dark-mode, .no-dark-mode *, [data-theme="light"], [data-theme="light"], .ace_editor, .ace_editor *, .CodeMirror, .CodeMirror *, .monaco-editor, .monaco-editor *, .markdown-body pre, .markdown-body pre *, .highlight, .highlight *, pre code, pre code * { filter: none !important; } /* Fix common UI elements */ .modal, .popup, .dropdown-menu, .tooltip, .popover { filter: invert(1) hue-rotate(180deg) !important; background: #2d2d44 !important; border-color: #444 !important; } /* Scrollbars */ ::-webkit-scrollbar { background: #1a1a2e !important; } ::-webkit-scrollbar-thumb { background: #444 !important; } ::-webkit-scrollbar-thumb:hover { background: #555 !important; } /* Selection */ ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; } ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; } '; } function removeDarkMode() { var style = document.getElementById('universal-dark-mode-style'); if (style) style.remove(); } // Toggle with Alt+Shift+D document.addEventListener('keydown', function(e) { if (e.altKey && e.shiftKey && e.key === 'D') { e.preventDefault(); enabled = !enabled; if (enabled) { applyDarkMode(); console.log('[Universal Dark Mode] Enabled'); } else { removeDarkMode(); console.log('[Universal Dark Mode] Disabled'); } } }); // Apply on load applyDarkMode(); // Re-apply on dynamic content var observer = new MutationObserver(function(mutations) { if (enabled && !document.getElementById('universal-dark-mode-style')) { applyDarkMode(); } }); observer.observe(document.head, { childList: true }); console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle'); })(); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })(); Skip to contentNavigation Menu Sign inAppearance settings AI CODE CREATIONGitHub CopilotWrite better code with AI GitHub Copilot appDirect agents from issue to merge MCP RegistryIntegrate external tools DEVELOPER WORKFLOWSActionsAutomate any workflow CodespacesInstant dev environments IssuesPlan and track work Code ReviewManage code changes Code QualityEnforce quality at merge APPLICATION SECURITYGitHub Advanced SecurityFind and fix vulnerabilities Code securitySecure your code as you build Secret protectionStop leaks before they start EXPLOREWhy GitHub Documentation Blog Changelog Marketplace View all features BY COMPANY SIZEEnterprises Small and medium teams Startups Nonprofits BY USE CASEApp Modernization DevSecOps DevOps CI/CD View all use cases BY INDUSTRYHealthcare Financial services Manufacturing Government View all industries View all solutions EXPLORE BY TOPICAI Software Development DevOps Security View all topics EXPLORE BY TYPECustomer stories Events & webinars Ebooks & reports Business insights GitHub Skills SUPPORT & SERVICESDocumentation Customer support Community forum Trust center Partners View all resources COMMUNITYGitHub SponsorsFund open source developers PROGRAMSSecurity Lab Maintainer Community GitHub Stars Archive Program REPOSITORIESTopics Trending Collections ENTERPRISE SOLUTIONSEnterprise platformAI-powered developer platform AVAILABLE ADD-ONSGitHub Advanced SecurityEnterprise-grade security features Copilot for BusinessEnterprise-grade AI features Premium SupportEnterprise-grade 24/7 support Pricing Sign in Sign upAppearance settings You signed in with another tab or window. Reload to refresh your session.You signed out in another tab or window. Reload to refresh your session.You switched accounts on another tab or window. Reload to refresh your session.Dismiss alert Uh oh! There was an error while loading. Please reload this page. dotnet /runtimePublic Notifications You must be signed in to change notification settings Fork 5.6k Star 18.2k Code Issues5k+ Pull requests558 Discussions Actions Projects Security and quality67 Insights Additional navigation options Code Issues Pull requests Discussions Actions Projects Security and quality Insights Add low-cost instrumented version of RuntimeAsyncTask::DispatchContinuations reclaiming lost performance.#126091 New issue Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community. Sign up for GitHub By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails. Already on GitHub? Sign in to your account Merged lateralusX merged 23 commits into dotnet:main from lateralusX:lateralusX/runtime-async-instrumentationApr 16, 2026 Conversation 150 Commits 23 Checks 174 Files changed Uh oh! There was an error while loading. Please reload this page. Merged Add low-cost instrumented version of RuntimeAsyncTask::DispatchContinuations reclaiming lost performance. #126091 Show file tree Hide file tree Changes from all commits Commits Show all changes 23 commits Select commit Hold shift + click to select a range e6ba06a Add instrumentation probes to RuntimeAsyncTask. lateralusX Mar 25, 2026cebcad6 Adding additional tests. lateralusX Mar 25, 2026a8620c8 Restore FinalizeTaskReturningThunk pattern. lateralusX Mar 25, 2026f1f6888 Update src/libraries/System.Runtime/tests/System.Threading.Tasks.Test… lateralusX Mar 25, 20260b151a3 Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Mar 25, 20269f2eae7 Update src/libraries/System.Runtime/tests/System.Threading.Tasks.Test… lateralusX Mar 25, 2026989feca Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Mar 25, 202619ec951 Update test. lateralusX Mar 26, 20267c0b77c Moved over to duplicated DispatchContinuations implementation. lateralusX Apr 1, 2026070bc53 Simplify diff. lateralusX Apr 1, 2026eaf3cb8 Review fixes. lateralusX Apr 1, 2026e2f8b01 Test review feedback. lateralusX Apr 2, 2026d9b54a4 Adjust naming of a couple of more statics. lateralusX Apr 2, 20266036abe Apply suggestion from @Copilot lateralusX Apr 2, 2026d9101b6 Apply suggestions from code review lateralusX Apr 2, 202659809e3 Review feedback. lateralusX Apr 2, 2026124fcde Make sure instrumentation flags are init and synched before used. lateralusX Apr 7, 2026fef3bd1 Update src/libraries/System.Private.CoreLib/src/System/Threading/Task… lateralusX Apr 7, 20262a6d76a Reduce generic specialization. lateralusX Apr 9, 2026db70b1b Merge debugger and tpl flags. lateralusX Apr 9, 2026fc60bbc Prevent exceptions to break instrumented code. lateralusX Apr 9, 2026e7eff4a Fix weired character in comments. lateralusX Apr 9, 202675f5f5e Review feedback. lateralusX Apr 9, 2026 File filter Filter by extension Filter by extension .cs (5) .projitems (1) All 2 file types selected Viewed files Clear filters Conversations Failed to load comments. 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Diff view Unified Split Hide whitespace Diff view Unified Split Hide whitespace src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncHelpers.CoreCLR.cs AsyncHelpers.CoreCLR.cs src/libraries/System.Private.CoreLib/src/System.Private.CoreLib.Shared.projitems System.Private.CoreLib.Shared.projitems src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncInstrumentation.cs AsyncInstrumentation.cs src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs Task.cs src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/TplEventSource.cs TplEventSource.cs src/libraries/System.Runtime/tests/System.Threading.Tasks.Tests/System.Runtime.CompilerServices/RuntimeAsyncTests.cs RuntimeAsyncTests.cs There are no files selected for viewing Loading Oops, something went wrong. Uh oh! There was an error while loading. Please reload this page. Loading Oops, something went wrong. Uh oh! There was an error while loading. 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