[Tracer] (Event Grid 1/5) Add contract and core behavior - #8911
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[Tracer] (Event Grid 1/5) Add contract and core behavior#8911pablomartinezbernardo wants to merge 1 commit into
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This was referenced Jul 21, 2026
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BenchmarksBenchmark execution time: 2026-07-29 10:32:17 Comparing candidate commit 14823fd in PR branch Found 0 performance improvements and 2 performance regressions! Performance is the same for 70 metrics, 0 unstable metrics, 62 known flaky benchmarks, 64 flaky benchmarks without significant changes.
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Execution-Time Benchmarks Report ⏱️Execution-time results for samples comparing This PR (8911) and master. ✅ No regressions detected - check the details below Full Metrics ComparisonFakeDbCommand
HttpMessageHandler
Comparison explanationExecution-time benchmarks measure the whole time it takes to execute a program, and are intended to measure the one-off costs. Cases where the execution time results for the PR are worse than latest master results are highlighted in **red**. The following thresholds were used for comparing the execution times:
Note that these results are based on a single point-in-time result for each branch. For full results, see the dashboard. Graphs show the p99 interval based on the mean and StdDev of the test run, as well as the mean value of the run (shown as a diamond below the graph). Duration chartsFakeDbCommand (.NET Framework 4.8)gantt
title Execution time (ms) FakeDbCommand (.NET Framework 4.8)
dateFormat x
axisFormat %Q
todayMarker off
section Baseline
This PR (8911) - mean (74ms) : 69, 79
master - mean (75ms) : 70, 80
section Bailout
This PR (8911) - mean (78ms) : 74, 83
master - mean (77ms) : 72, 83
section CallTarget+Inlining+NGEN
This PR (8911) - mean (1,098ms) : 1036, 1159
master - mean (1,089ms) : 1034, 1145
FakeDbCommand (.NET Core 3.1)gantt
title Execution time (ms) FakeDbCommand (.NET Core 3.1)
dateFormat x
axisFormat %Q
todayMarker off
section Baseline
This PR (8911) - mean (115ms) : 108, 122
master - mean (112ms) : 107, 117
section Bailout
This PR (8911) - mean (112ms) : 108, 115
master - mean (111ms) : 109, 113
section CallTarget+Inlining+NGEN
This PR (8911) - mean (790ms) : 760, 819
master - mean (782ms) : 761, 804
FakeDbCommand (.NET 6)gantt
title Execution time (ms) FakeDbCommand (.NET 6)
dateFormat x
axisFormat %Q
todayMarker off
section Baseline
This PR (8911) - mean (98ms) : 95, 101
master - mean (98ms) : 95, 100
section Bailout
This PR (8911) - mean (99ms) : 97, 101
master - mean (98ms) : 96, 100
section CallTarget+Inlining+NGEN
This PR (8911) - mean (945ms) : 899, 991
master - mean (940ms) : 892, 988
FakeDbCommand (.NET 8)gantt
title Execution time (ms) FakeDbCommand (.NET 8)
dateFormat x
axisFormat %Q
todayMarker off
section Baseline
This PR (8911) - mean (101ms) : 94, 108
master - mean (98ms) : 92, 103
section Bailout
This PR (8911) - mean (98ms) : 94, 103
master - mean (100ms) : 96, 104
section CallTarget+Inlining+NGEN
This PR (8911) - mean (822ms) : 785, 859
master - mean (820ms) : 778, 861
HttpMessageHandler (.NET Framework 4.8)gantt
title Execution time (ms) HttpMessageHandler (.NET Framework 4.8)
dateFormat x
axisFormat %Q
todayMarker off
section Baseline
This PR (8911) - mean (205ms) : 200, 210
master - mean (203ms) : 199, 207
section Bailout
This PR (8911) - mean (208ms) : 204, 212
master - mean (207ms) : 203, 212
section CallTarget+Inlining+NGEN
This PR (8911) - mean (1,226ms) : 1178, 1273
master - mean (1,218ms) : 1162, 1273
HttpMessageHandler (.NET Core 3.1)gantt
title Execution time (ms) HttpMessageHandler (.NET Core 3.1)
dateFormat x
axisFormat %Q
todayMarker off
section Baseline
This PR (8911) - mean (292ms) : 286, 298
master - mean (292ms) : 285, 298
section Bailout
This PR (8911) - mean (293ms) : 288, 298
master - mean (291ms) : 286, 295
section CallTarget+Inlining+NGEN
This PR (8911) - mean (979ms) : 953, 1004
master - mean (966ms) : 947, 985
HttpMessageHandler (.NET 6)gantt
title Execution time (ms) HttpMessageHandler (.NET 6)
dateFormat x
axisFormat %Q
todayMarker off
section Baseline
This PR (8911) - mean (286ms) : 278, 294
master - mean (284ms) : 278, 291
section Bailout
This PR (8911) - mean (286ms) : 280, 292
master - mean (283ms) : 278, 288
section CallTarget+Inlining+NGEN
This PR (8911) - mean (1,174ms) : 1130, 1217
master - mean (1,170ms) : 1126, 1214
HttpMessageHandler (.NET 8)gantt
title Execution time (ms) HttpMessageHandler (.NET 8)
dateFormat x
axisFormat %Q
todayMarker off
section Baseline
This PR (8911) - mean (285ms) : 278, 293
master - mean (283ms) : 276, 289
section Bailout
This PR (8911) - mean (287ms) : 282, 292
master - mean (284ms) : 278, 291
section CallTarget+Inlining+NGEN
This PR (8911) - mean (1,053ms) : 1006, 1100
master - mean (1,052ms) : 1007, 1097
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Summary of changes
Adds the contracts and core tracing behavior for Azure Event Grid producer spans.
Reason for change
Provides the shared foundation for Azure Event Grid auto-instrumentation while preserving trace context across published events.
Implementation details
Test coverage
Other details
This is the base PR in a larger Graphite stack.