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[CI Visibility] Add vcpu_count tag to tslv events #6055
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Snapshots difference summaryThe following differences have been observed in committed snapshots. It is meant to help the reviewer. 1520 occurrences of : + _dd.host.vcpu_count: 2.0,
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Datadog ReportBranch report: ❌ 2 Failed (0 Known Flaky), 366774 Passed, 2051 Skipped, 16h 11m 13.69s Total Time ❌ Failed Tests (2)
New Flaky Tests (1)
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Execution-Time Benchmarks Report ⏱️Execution-time results for samples comparing the following branches/commits: Execution-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 shown 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). gantt
title Execution time (ms) FakeDbCommand (.NET Framework 4.6.2)
dateFormat X
axisFormat %s
todayMarker off
section Baseline
This PR (6055) - mean (70ms) : 67, 73
. : milestone, 70,
master - mean (70ms) : 67, 73
. : milestone, 70,
section CallTarget+Inlining+NGEN
This PR (6055) - mean (1,107ms) : 1078, 1137
. : milestone, 1107,
master - mean (1,078ms) : 1055, 1101
. : milestone, 1078,
gantt
title Execution time (ms) FakeDbCommand (.NET Core 3.1)
dateFormat X
axisFormat %s
todayMarker off
section Baseline
This PR (6055) - mean (108ms) : 105, 111
. : milestone, 108,
master - mean (109ms) : 106, 112
. : milestone, 109,
section CallTarget+Inlining+NGEN
This PR (6055) - mean (774ms) : 759, 789
. : milestone, 774,
master - mean (748ms) : 729, 766
. : milestone, 748,
gantt
title Execution time (ms) FakeDbCommand (.NET 6)
dateFormat X
axisFormat %s
todayMarker off
section Baseline
This PR (6055) - mean (93ms) : 89, 96
. : milestone, 93,
master - mean (92ms) : 89, 96
. : milestone, 92,
section CallTarget+Inlining+NGEN
This PR (6055) - mean (731ms) : 716, 746
. : milestone, 731,
master - mean (705ms) : 690, 720
. : milestone, 705,
gantt
title Execution time (ms) HttpMessageHandler (.NET Framework 4.6.2)
dateFormat X
axisFormat %s
todayMarker off
section Baseline
This PR (6055) - mean (191ms) : 187, 196
. : milestone, 191,
master - mean (192ms) : 188, 196
. : milestone, 192,
section CallTarget+Inlining+NGEN
This PR (6055) - mean (1,200ms) : 1176, 1224
. : milestone, 1200,
master - mean (1,174ms) : 1147, 1201
. : milestone, 1174,
gantt
title Execution time (ms) HttpMessageHandler (.NET Core 3.1)
dateFormat X
axisFormat %s
todayMarker off
section Baseline
This PR (6055) - mean (278ms) : 272, 283
. : milestone, 278,
master - mean (277ms) : 273, 281
. : milestone, 277,
section CallTarget+Inlining+NGEN
This PR (6055) - mean (950ms) : 933, 967
. : milestone, 950,
master - mean (927ms) : 905, 950
. : milestone, 927,
gantt
title Execution time (ms) HttpMessageHandler (.NET 6)
dateFormat X
axisFormat %s
todayMarker off
section Baseline
This PR (6055) - mean (266ms) : 262, 270
. : milestone, 266,
master - mean (266ms) : 262, 270
. : milestone, 266,
section CallTarget+Inlining+NGEN
This PR (6055) - mean (933ms) : 912, 953
. : milestone, 933,
master - mean (906ms) : 886, 926
. : milestone, 906,
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Benchmarks Report for tracer 🐌Benchmarks for #6055 compared to master:
The following thresholds were used for comparing the benchmark speeds:
Allocation changes below 0.5% are ignored. Benchmark detailsBenchmarks.Trace.ActivityBenchmark - Same speed ✔️ Same allocations ✔️Raw results
Benchmarks.Trace.AgentWriterBenchmark - Same speed ✔️ Same allocations ✔️Raw results
Benchmarks.Trace.AspNetCoreBenchmark - Same speed ✔️ Same allocations ✔️Raw results
Benchmarks.Trace.CIVisibilityProtocolWriterBenchmark - Same speed ✔️ Same allocations ✔️Raw results
Benchmarks.Trace.DbCommandBenchmark - Same speed ✔️ Same allocations ✔️Raw results
Benchmarks.Trace.ElasticsearchBenchmark - Same speed ✔️ Same allocations ✔️Raw results
Benchmarks.Trace.GraphQLBenchmark - Same speed ✔️ Same allocations ✔️Raw results
Benchmarks.Trace.HttpClientBenchmark - Same speed ✔️ Same allocations ✔️Raw results
Benchmarks.Trace.ILoggerBenchmark - Same speed ✔️ Same allocations ✔️Raw results
Benchmarks.Trace.Log4netBenchmark - Same speed ✔️ Same allocations ✔️Raw results
Benchmarks.Trace.NLogBenchmark - Same speed ✔️ Same allocations ✔️Raw results
Benchmarks.Trace.RedisBenchmark - Same speed ✔️ Same allocations ✔️Raw results
Benchmarks.Trace.SerilogBenchmark - Same speed ✔️ Same allocations ✔️Raw results
Benchmarks.Trace.SpanBenchmark - Faster 🎉 Same allocations ✔️
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Benchmark | base/diff | Base Median (ns) | Diff Median (ns) | Modality |
---|---|---|---|---|
Benchmarks.Trace.SpanBenchmark.StartFinishScope‑net472 | 1.123 | 872.91 | 777.24 |
Raw results
Branch | Method | Toolchain | Mean | StdError | StdDev | Gen 0 | Gen 1 | Gen 2 | Allocated |
---|---|---|---|---|---|---|---|---|---|
master | StartFinishSpan |
net6.0 | 408ns | 0.463ns | 1.79ns | 0.00805 | 0 | 0 | 576 B |
master | StartFinishSpan |
netcoreapp3.1 | 578ns | 0.617ns | 2.39ns | 0.00784 | 0 | 0 | 576 B |
master | StartFinishSpan |
net472 | 689ns | 0.685ns | 2.65ns | 0.0916 | 0 | 0 | 578 B |
master | StartFinishScope |
net6.0 | 472ns | 0.194ns | 0.728ns | 0.00974 | 0 | 0 | 696 B |
master | StartFinishScope |
netcoreapp3.1 | 790ns | 0.537ns | 2.08ns | 0.00964 | 0 | 0 | 696 B |
master | StartFinishScope |
net472 | 874ns | 0.905ns | 3.5ns | 0.104 | 0 | 0 | 658 B |
#6055 | StartFinishSpan |
net6.0 | 406ns | 0.316ns | 1.18ns | 0.00802 | 0 | 0 | 576 B |
#6055 | StartFinishSpan |
netcoreapp3.1 | 620ns | 1.41ns | 5.46ns | 0.00769 | 0 | 0 | 576 B |
#6055 | StartFinishSpan |
net472 | 641ns | 0.778ns | 3.01ns | 0.0915 | 0 | 0 | 578 B |
#6055 | StartFinishScope |
net6.0 | 489ns | 0.263ns | 1.02ns | 0.0098 | 0 | 0 | 696 B |
#6055 | StartFinishScope |
netcoreapp3.1 | 771ns | 0.662ns | 2.56ns | 0.00958 | 0 | 0 | 696 B |
#6055 | StartFinishScope |
net472 | 777ns | 0.597ns | 2.31ns | 0.104 | 0 | 0 | 658 B |
Benchmarks.Trace.TraceAnnotationsBenchmark - Same speed ✔️ Same allocations ✔️
Raw results
Branch | Method | Toolchain | Mean | StdError | StdDev | Gen 0 | Gen 1 | Gen 2 | Allocated |
---|---|---|---|---|---|---|---|---|---|
master | RunOnMethodBegin |
net6.0 | 605ns | 0.223ns | 0.863ns | 0.00977 | 0 | 0 | 696 B |
master | RunOnMethodBegin |
netcoreapp3.1 | 1.03μs | 0.494ns | 1.91ns | 0.00923 | 0 | 0 | 696 B |
master | RunOnMethodBegin |
net472 | 1.1μs | 0.596ns | 2.15ns | 0.105 | 0 | 0 | 658 B |
#6055 | RunOnMethodBegin |
net6.0 | 624ns | 0.356ns | 1.38ns | 0.0098 | 0 | 0 | 696 B |
#6055 | RunOnMethodBegin |
netcoreapp3.1 | 953ns | 1.74ns | 6.76ns | 0.00947 | 0 | 0 | 696 B |
#6055 | RunOnMethodBegin |
net472 | 1.12μs | 0.448ns | 1.73ns | 0.104 | 0 | 0 | 658 B |
Throughput/Crank Report ⚡Throughput results for AspNetCoreSimpleController comparing the following branches/commits: Cases where throughput results for the PR are worse than latest master (5% drop or greater), results are shown in red. Note that these results are based on a single point-in-time result for each branch. For full results, see one of the many, many dashboards! gantt
title Throughput Linux x64 (Total requests)
dateFormat X
axisFormat %s
section Baseline
This PR (6055) (11.158M) : 0, 11157660
master (11.055M) : 0, 11055201
benchmarks/2.9.0 (11.081M) : 0, 11080577
section Automatic
This PR (6055) (7.287M) : 0, 7286955
master (7.305M) : 0, 7305302
benchmarks/2.9.0 (7.732M) : 0, 7732233
section Trace stats
master (7.719M) : 0, 7718644
section Manual
master (11.176M) : 0, 11175778
section Manual + Automatic
This PR (6055) (6.694M) : 0, 6694227
master (6.751M) : 0, 6751175
section DD_TRACE_ENABLED=0
master (10.283M) : 0, 10283286
gantt
title Throughput Linux arm64 (Total requests)
dateFormat X
axisFormat %s
section Baseline
This PR (6055) (9.496M) : 0, 9495588
master (9.522M) : 0, 9522238
benchmarks/2.9.0 (9.798M) : 0, 9798067
section Automatic
This PR (6055) (6.708M) : 0, 6708234
master (6.585M) : 0, 6585219
section Trace stats
master (6.719M) : 0, 6718679
section Manual
master (9.695M) : 0, 9695137
section Manual + Automatic
This PR (6055) (5.961M) : 0, 5960927
master (6.146M) : 0, 6146480
section DD_TRACE_ENABLED=0
master (8.894M) : 0, 8893665
gantt
title Throughput Windows x64 (Total requests)
dateFormat X
axisFormat %s
section Baseline
This PR (6055) (10.027M) : 0, 10026575
master (9.812M) : 0, 9812220
benchmarks/2.9.0 (10.067M) : 0, 10067315
section Automatic
This PR (6055) (6.554M) : 0, 6554326
master (6.417M) : 0, 6417355
benchmarks/2.9.0 (7.552M) : 0, 7552193
section Trace stats
master (7.155M) : 0, 7155211
section Manual
master (9.839M) : 0, 9839498
section Manual + Automatic
This PR (6055) (6.083M) : 0, 6083386
master (5.948M) : 0, 5948081
section DD_TRACE_ENABLED=0
master (9.155M) : 0, 9154793
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Summary of changes
This PR adds the new
_dd.host.vcpu_count
tag to the test suite level visibility events in CI Visibility mode.Reason for change
https://docs.google.com/document/d/1NhH9lg1MujAfeeSFQJY0Y-y6kxUDzqP0b7WtMA2FoxM/edit#heading=h.80nefriqhjyl
Test coverage
A new validation on the tests and update of the snapshots.
Other details