[release/11.0-preview4] High-performance EventSource runtime async profiler.#127585

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hoyosjs wants to merge 31 commits into

dotnet:release/11.0-preview4from

hoyosjs:juhoyosa/backport-127238-11p4

Commits on Apr 29, 2026

High-performance async method profiling over EventSource.

lateralusX
authored and
hoyosjs
committed
Additional adjustments:

lateralusX
authored and
hoyosjs
committed
Fix line ending.

lateralusX
authored and
hoyosjs
committed
Fix Mono build.

lateralusX
authored and
hoyosjs
committed
Review feedback.

lateralusX
authored and
hoyosjs
committed
Refactor debugger flags and way to trigger it.

lateralusX
authored and
hoyosjs
committed
Fix failing tests on CI.

lateralusX
authored and
hoyosjs
committed
Make async profiler CoreCLR specific for now.

lateralusX
authored and
hoyosjs
committed
Add periodic sync clock event + clock sync logic.

lateralusX
authored and
hoyosjs
committed
Simplify the update of instrumentation flags + drop use of AsyncDebugger.IsEnable.

lateralusX
authored and
hoyosjs
committed
Review feedback.

lateralusX
authored and
hoyosjs
committed
Harden order sensetive tests.

lateralusX
authored and
hoyosjs
committed
Review feedback.

lateralusX
authored and
hoyosjs
committed
Review feedback.

lateralusX
authored and
hoyosjs
committed
Reduce Unsafe code in Serializer.

lateralusX
authored and
hoyosjs
committed
Let source generator create GUID.

lateralusX
authored and
hoyosjs
committed
Added better rollback support for async header.

lateralusX
authored and
hoyosjs
committed
Changes after rebase.

lateralusX
authored and
hoyosjs
committed
Span some more.

lateralusX
authored and
hoyosjs
committed
Add description to continuation wrapper.

lateralusX
authored and
hoyosjs
committed
Dial back Agressive Inlining a little.

lateralusX
authored and
hoyosjs
committed
Review feedback.

lateralusX
authored and
hoyosjs
committed
Review feedback.

lateralusX
authored and
hoyosjs
committed
Add LogAlways for async profiler event source.

authored and
hoyosjs
committed
Clarify the wait on blocked async thread context lock.

authored and
hoyosjs
committed
Fix thread id when flushed.

lateralusX
authored and
hoyosjs
committed
Make sure test checking event order uses timestamps.

lateralusX
authored and
hoyosjs
committed
Make sure last event timpstamp gets correctly restored.

lateralusX
authored and
hoyosjs
committed
Hardened some tests.

lateralusX
authored and
hoyosjs
committed
Revert "Optimize runtime async suspend/resume machinery (#127336)"
hoyosjs
committed
Revert unnecessary change
hoyosjs
committed

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[release/11.0-preview4] High-performance EventSource runtime async profiler.#127585

[release/11.0-preview4] High-performance EventSource runtime async profiler.#127585
hoyosjs wants to merge 31 commits into
dotnet:release/11.0-preview4from
hoyosjs:juhoyosa/backport-127238-11p4

Commits on Apr 29, 2026

High-performance async method profiling over EventSource.

Additional adjustments:

Fix line ending.

Fix Mono build.

Review feedback.

Refactor debugger flags and way to trigger it.

Fix failing tests on CI.

Make async profiler CoreCLR specific for now.

Add periodic sync clock event + clock sync logic.

Simplify the update of instrumentation flags + drop use of AsyncDebugger.IsEnable.

Review feedback.

Harden order sensetive tests.

Review feedback.

Review feedback.

Reduce Unsafe code in Serializer.

Let source generator create GUID.

Added better rollback support for async header.

Changes after rebase.

Span some more.

Add description to continuation wrapper.

Dial back Agressive Inlining a little.

Review feedback.

Review feedback.

Add LogAlways for async profiler event source.

Clarify the wait on blocked async thread context lock.

Fix thread id when flushed.

Make sure test checking event order uses timestamps.

Make sure last event timpstamp gets correctly restored.

Hardened some tests.

Revert "Optimize runtime async suspend/resume machinery (#127336)"

Revert unnecessary change