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Issues

add test for DSM context reuse in async context

Open vandonr opened this issue 1 year ago • 3 comments

This PR is currently just demonstrating a failing test.

It's testing roughly the same thing as the test just above (that consuming and then producing keeps the chain unbroken in DSM), but with async methods.

The context is currently saved in an AsyncLocal variable https://github.com/DataDog/dd-trace-dotnet/blob/b5a855bffe6c0b2ae5d150fb6ad674363464c816/tracer/src/Datadog.Trace/DataStreamsMonitoring/DataStreamsManager.cs#L27 but my understanding is that this only has the scope of the await consume(), and it's lost once we open a new async context for the produce.

The alternatives I see are:

using a ThreadLocal variable instead
using a regular variable instead (not static ?)
???

and I'm not sure what's the right choice here.

Apr 04 '24 09:04 vandonr

Datadog Report

Branch report: vandonr/wip Commit report: 51a3e10 Test service: dd-trace-dotnet

:x: 24 Failed (0 Known Flaky), 264968 Passed, 1534 Skipped, 43m 21.59s Wall Time

:x: Failed Tests (24)

This report shows up to 5 failed tests.

WhenEnabled_AsyncConsumeThenProduceKeepsPathway - Datadog.Trace.Tests.DataStreamsMonitoring.DataStreamsManagerTests - Details

Expand for error

xpected points[1].ParentHash to be Datadog.Trace.DataStreamsMonitoring.Hashes.PathwayHash

   Value = 15085792726233566605UL
, but found Datadog.Trace.DataStreamsMonitoring.Hashes.PathwayHash

   Value = 0UL
.

ith configuration:
 Use declared types and members
..

WhenEnabled_AsyncConsumeThenProduceKeepsPathway - Datadog.Trace.Tests.DataStreamsMonitoring.DataStreamsManagerTests - Details

Expand for error

xpected points[1].ParentHash to be Datadog.Trace.DataStreamsMonitoring.Hashes.PathwayHash

   Value = 15085792726233566605UL
, but found Datadog.Trace.DataStreamsMonitoring.Hashes.PathwayHash

   Value = 0UL
.

ith configuration:
 Use declared types and members
..

WhenEnabled_AsyncConsumeThenProduceKeepsPathway - Datadog.Trace.Tests.DataStreamsMonitoring.DataStreamsManagerTests - Details

Expand for error

xpected points[1].ParentHash to be Datadog.Trace.DataStreamsMonitoring.Hashes.PathwayHash

   Value = 15085792726233566605UL
, but found Datadog.Trace.DataStreamsMonitoring.Hashes.PathwayHash

   Value = 0UL
.

ith configuration:
 Use declared types and members
..

WhenEnabled_AsyncConsumeThenProduceKeepsPathway - Datadog.Trace.Tests.DataStreamsMonitoring.DataStreamsManagerTests - Details

Expand for error

xpected points[1].ParentHash to be Datadog.Trace.DataStreamsMonitoring.Hashes.PathwayHash

   Value = 15085792726233566605UL
, but found Datadog.Trace.DataStreamsMonitoring.Hashes.PathwayHash

   Value = 0UL
.

ith configuration:
 Use declared types and members
..

WhenEnabled_AsyncConsumeThenProduceKeepsPathway - Datadog.Trace.Tests.DataStreamsMonitoring.DataStreamsManagerTests - Details

Expand for error

xpected points[1].ParentHash to be Datadog.Trace.DataStreamsMonitoring.Hashes.PathwayHash

   Value = 15085792726233566605UL
, but found Datadog.Trace.DataStreamsMonitoring.Hashes.PathwayHash

   Value = 0UL
.

ith configuration:
 Use declared types and members
..

Apr 04 '24 10:04 datadog-ddstaging[bot]

Execution-Time Benchmarks Report :stopwatch:

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:

Welch test with statistical test for significance of 5%
Only results indicating a difference greater than 5% and 5 ms are considered.

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 (5394) - mean (74ms)  : 65, 83
     .   : milestone, 74,
    master - mean (75ms)  : 65, 84
     .   : milestone, 75,

    section CallTarget+Inlining+NGEN
    This PR (5394) - mean (999ms)  : 979, 1018
     .   : milestone, 999,
    master - mean (990ms)  : 970, 1011
     .   : milestone, 990,

gantt
    title Execution time (ms) FakeDbCommand (.NET Core 3.1) 
    dateFormat  X
    axisFormat %s
    todayMarker off
    section Baseline
    This PR (5394) - mean (110ms)  : 106, 113
     .   : milestone, 110,
    master - mean (110ms)  : 106, 115
     .   : milestone, 110,

    section CallTarget+Inlining+NGEN
    This PR (5394) - mean (717ms)  : 694, 739
     .   : milestone, 717,
    master - mean (712ms)  : 687, 738
     .   : milestone, 712,

gantt
    title Execution time (ms) FakeDbCommand (.NET 6) 
    dateFormat  X
    axisFormat %s
    todayMarker off
    section Baseline
    This PR (5394) - mean (94ms)  : 91, 97
     .   : milestone, 94,
    master - mean (93ms)  : 91, 96
     .   : milestone, 93,

    section CallTarget+Inlining+NGEN
    This PR (5394) - mean (665ms)  : 643, 687
     .   : milestone, 665,
    master - mean (669ms)  : 650, 688
     .   : milestone, 669,

gantt
    title Execution time (ms) HttpMessageHandler (.NET Framework 4.6.2) 
    dateFormat  X
    axisFormat %s
    todayMarker off
    section Baseline
    This PR (5394) - mean (188ms)  : 183, 192
     .   : milestone, 188,
    master - mean (188ms)  : 185, 191
     .   : milestone, 188,

    section CallTarget+Inlining+NGEN
    This PR (5394) - mean (1,074ms)  : 1052, 1096
     .   : milestone, 1074,
    master - mean (1,073ms)  : 1043, 1102
     .   : milestone, 1073,

gantt
    title Execution time (ms) HttpMessageHandler (.NET Core 3.1) 
    dateFormat  X
    axisFormat %s
    todayMarker off
    section Baseline
    This PR (5394) - mean (271ms)  : 266, 276
     .   : milestone, 271,
    master - mean (270ms)  : 265, 275
     .   : milestone, 270,

    section CallTarget+Inlining+NGEN
    This PR (5394) - mean (869ms)  : 845, 894
     .   : milestone, 869,
    master - mean (872ms)  : 838, 906
     .   : milestone, 872,

gantt
    title Execution time (ms) HttpMessageHandler (.NET 6) 
    dateFormat  X
    axisFormat %s
    todayMarker off
    section Baseline
    This PR (5394) - mean (259ms)  : 254, 265
     .   : milestone, 259,
    master - mean (260ms)  : 254, 265
     .   : milestone, 260,

    section CallTarget+Inlining+NGEN
    This PR (5394) - mean (856ms)  : 830, 883
     .   : milestone, 856,
    master - mean (853ms)  : 829, 877
     .   : milestone, 853,

Apr 04 '24 10:04 andrewlock

Benchmarks Report for tracer :snail:

Benchmarks for #5394 compared to master:

1 benchmarks are faster, with geometric mean 1.197
All benchmarks have the same allocations

The following thresholds were used for comparing the benchmark speeds:

Mann–Whitney U test with statistical test for significance of 5%
Only results indicating a difference greater than 10% and 0.3 ns are considered.

Allocation changes below 0.5% are ignored.

Benchmark details

Benchmarks.Trace.ActivityBenchmark - Same speed :heavy_check_mark: Same allocations :heavy_check_mark:

Raw results

Branch	Method	Toolchain	Mean	StdError	StdDev	Gen 0	Gen 1	Gen 2	Allocated
master	`StartStopWithChild`	net6.0	8.59μs	48.1ns	330ns	0.0173	0.00863	0	7.51 KB
master	`StartStopWithChild`	netcoreapp3.1	10.7μs	55.6ns	278ns	0.0324	0.0162	0	7.6 KB
master	`StartStopWithChild`	net472	17μs	80.2ns	310ns	1.36	0.34	0.119	8.04 KB
#5394	`StartStopWithChild`	net6.0	9.11μs	43.4ns	179ns	0.0175	0.00439	0	7.51 KB
#5394	`StartStopWithChild`	netcoreapp3.1	10.9μs	50.3ns	207ns	0.0321	0.0161	0	7.6 KB
#5394	`StartStopWithChild`	net472	16.8μs	62.7ns	235ns	1.35	0.351	0.114	8.05 KB

Benchmarks.Trace.AgentWriterBenchmark - Same speed :heavy_check_mark: Same allocations :heavy_check_mark:

Raw results

Branch	Method	Toolchain	Mean	StdError	StdDev	Gen 0	Gen 1	Gen 2	Allocated
master	`WriteAndFlushEnrichedTraces`	net6.0	453μs	218ns	845ns	0	0	0	2.7 KB
master	`WriteAndFlushEnrichedTraces`	netcoreapp3.1	589μs	119ns	444ns	0	0	0	2.7 KB
master	`WriteAndFlushEnrichedTraces`	net472	815μs	142ns	530ns	0.406	0	0	3.3 KB
#5394	`WriteAndFlushEnrichedTraces`	net6.0	455μs	131ns	490ns	0	0	0	2.7 KB
#5394	`WriteAndFlushEnrichedTraces`	netcoreapp3.1	595μs	152ns	568ns	0	0	0	2.7 KB
#5394	`WriteAndFlushEnrichedTraces`	net472	816μs	374ns	1.4μs	0.406	0	0	3.3 KB

Benchmarks.Trace.AspNetCoreBenchmark - Same speed :heavy_check_mark: Same allocations :heavy_check_mark:

Raw results

Branch	Method	Toolchain	Mean	StdError	StdDev	Gen 0	Gen 1	Gen 2	Allocated
master	`SendRequest`	net6.0	169μs	150ns	560ns	0.17	0	0	18.33 KB
master	`SendRequest`	netcoreapp3.1	189μs	342ns	1.33μs	0.188	0	0	20.49 KB
master	`SendRequest`	net472	0.000145ns	7.84E‑05ns	0.000293ns	0	0	0	0 b
#5394	`SendRequest`	net6.0	172μs	175ns	679ns	0.257	0	0	18.33 KB
#5394	`SendRequest`	netcoreapp3.1	191μs	174ns	673ns	0.191	0	0	20.49 KB
#5394	`SendRequest`	net472	0.000846ns	0.000223ns	0.000865ns	0	0	0	0 b

Benchmarks.Trace.CIVisibilityProtocolWriterBenchmark - Same speed :heavy_check_mark: Same allocations :heavy_check_mark:

Raw results

Branch	Method	Toolchain	Mean	StdError	StdDev	Gen 0	Gen 1	Gen 2	Allocated
master	`WriteAndFlushEnrichedTraces`	net6.0	554μs	855ns	3.31μs	0.539	0	0	41.72 KB
master	`WriteAndFlushEnrichedTraces`	netcoreapp3.1	632μs	563ns	1.95μs	0.327	0	0	41.69 KB
master	`WriteAndFlushEnrichedTraces`	net472	904μs	3.54μs	13.7μs	8.42	2.66	0.443	53.35 KB
#5394	`WriteAndFlushEnrichedTraces`	net6.0	561μs	689ns	2.67μs	0.543	0	0	41.75 KB
#5394	`WriteAndFlushEnrichedTraces`	netcoreapp3.1	663μs	1.07μs	4.12μs	0.324	0	0	41.84 KB
#5394	`WriteAndFlushEnrichedTraces`	net472	851μs	2.91μs	10.5μs	8.28	2.48	0.414	53.25 KB

Benchmarks.Trace.DbCommandBenchmark - Same speed :heavy_check_mark: Same allocations :heavy_check_mark:

Raw results

Branch	Method	Toolchain	Mean	StdError	StdDev	Gen 0	Gen 1	Gen 2	Allocated
master	`ExecuteNonQuery`	net6.0	1.17μs	0.218ns	0.816ns	0.0112	0	0	784 B
master	`ExecuteNonQuery`	netcoreapp3.1	1.47μs	0.604ns	2.34ns	0.0105	0	0	784 B
master	`ExecuteNonQuery`	net472	1.92μs	1.28ns	4.95ns	0.118	0	0	746 B
#5394	`ExecuteNonQuery`	net6.0	1.16μs	0.39ns	1.46ns	0.0112	0	0	784 B
#5394	`ExecuteNonQuery`	netcoreapp3.1	1.46μs	0.705ns	2.44ns	0.0109	0	0	784 B
#5394	`ExecuteNonQuery`	net472	1.75μs	2.1ns	8.13ns	0.118	0	0	746 B

Benchmarks.Trace.ElasticsearchBenchmark - Same speed :heavy_check_mark: Same allocations :heavy_check_mark:

Raw results

Branch	Method	Toolchain	Mean	StdError	StdDev	Gen 0	Gen 1	Gen 2	Allocated
master	`CallElasticsearch`	net6.0	1.35μs	0.358ns	1.34ns	0.0142	0	0	1.01 KB
master	`CallElasticsearch`	netcoreapp3.1	1.61μs	1.16ns	4.19ns	0.0137	0	0	1.01 KB
master	`CallElasticsearch`	net472	2.57μs	1.48ns	5.74ns	0.162	0	0	1.02 KB
master	`CallElasticsearchAsync`	net6.0	1.38μs	0.851ns	3.3ns	0.0138	0	0	984 B
master	`CallElasticsearchAsync`	netcoreapp3.1	1.74μs	0.655ns	2.54ns	0.014	0	0	1.06 KB
master	`CallElasticsearchAsync`	net472	2.69μs	2.79ns	10.8ns	0.171	0.00134	0	1.08 KB
#5394	`CallElasticsearch`	net6.0	1.34μs	0.641ns	2.48ns	0.0139	0	0	1.01 KB
#5394	`CallElasticsearch`	netcoreapp3.1	1.62μs	1.69ns	6.08ns	0.0136	0	0	1.01 KB
#5394	`CallElasticsearch`	net472	2.65μs	1.86ns	6.95ns	0.161	0	0	1.02 KB
#5394	`CallElasticsearchAsync`	net6.0	1.44μs	1.07ns	4.01ns	0.0137	0	0	984 B
#5394	`CallElasticsearchAsync`	netcoreapp3.1	1.77μs	1.93ns	7.48ns	0.0141	0	0	1.06 KB
#5394	`CallElasticsearchAsync`	net472	2.61μs	1.99ns	7.71ns	0.17	0	0	1.08 KB

Benchmarks.Trace.GraphQLBenchmark - Same speed :heavy_check_mark: Same allocations :heavy_check_mark:

Raw results

Branch	Method	Toolchain	Mean	StdError	StdDev	Gen 0	Gen 1	Gen 2	Allocated
master	`ExecuteAsync`	net6.0	1.41μs	0.881ns	3.41ns	0.0127	0	0	928 B
master	`ExecuteAsync`	netcoreapp3.1	1.69μs	1.47ns	5.68ns	0.012	0	0	928 B
master	`ExecuteAsync`	net472	1.9μs	1.5ns	5.41ns	0.141	0.000949	0	891 B
#5394	`ExecuteAsync`	net6.0	1.3μs	0.799ns	2.99ns	0.013	0	0	928 B
#5394	`ExecuteAsync`	netcoreapp3.1	1.72μs	0.588ns	2.12ns	0.0128	0	0	928 B
#5394	`ExecuteAsync`	net472	1.98μs	1.34ns	5.17ns	0.141	0.000974	0	891 B

Benchmarks.Trace.HttpClientBenchmark - Same speed :heavy_check_mark: Same allocations :heavy_check_mark:

Raw results

Branch	Method	Toolchain	Mean	StdError	StdDev	Gen 0	Gen 1	Gen 2	Allocated
master	`SendAsync`	net6.0	4.13μs	3.15ns	11.8ns	0.0288	0	0	2.16 KB
master	`SendAsync`	netcoreapp3.1	5.06μs	2.89ns	10.4ns	0.0353	0	0	2.7 KB
master	`SendAsync`	net472	7.63μs	2.32ns	8.36ns	0.484	0	0	3.05 KB
#5394	`SendAsync`	net6.0	4.23μs	4.03ns	15.1ns	0.0296	0	0	2.16 KB
#5394	`SendAsync`	netcoreapp3.1	5.19μs	2.21ns	8.56ns	0.0363	0	0	2.7 KB
#5394	`SendAsync`	net472	7.62μs	3.51ns	13.6ns	0.484	0	0	3.05 KB

Benchmarks.Trace.ILoggerBenchmark - Same speed :heavy_check_mark: Same allocations :heavy_check_mark:

Raw results

Branch	Method	Toolchain	Mean	StdError	StdDev	Gen 0	Gen 1	Gen 2	Allocated
master	`EnrichedLog`	net6.0	1.47μs	2.71ns	9.76ns	0.0228	0	0	1.65 KB
master	`EnrichedLog`	netcoreapp3.1	2.17μs	0.625ns	2.34ns	0.0228	0	0	1.65 KB
master	`EnrichedLog`	net472	2.67μs	1.62ns	6.27ns	0.25	0	0	1.57 KB
#5394	`EnrichedLog`	net6.0	1.59μs	0.491ns	1.84ns	0.023	0	0	1.65 KB
#5394	`EnrichedLog`	netcoreapp3.1	2.27μs	0.928ns	3.59ns	0.0225	0	0	1.65 KB
#5394	`EnrichedLog`	net472	2.74μs	2.65ns	10.3ns	0.25	0	0	1.57 KB

Benchmarks.Trace.Log4netBenchmark - Same speed :heavy_check_mark: Same allocations :heavy_check_mark:

Raw results

Branch	Method	Toolchain	Mean	StdError	StdDev	Gen 0	Gen 1	Gen 2	Allocated
master	`EnrichedLog`	net6.0	110μs	74.3ns	288ns	0.0553	0	0	4.23 KB
master	`EnrichedLog`	netcoreapp3.1	116μs	109ns	420ns	0	0	0	4.23 KB
master	`EnrichedLog`	net472	146μs	62ns	240ns	0.657	0.219	0	4.41 KB
#5394	`EnrichedLog`	net6.0	112μs	97.9ns	379ns	0	0	0	4.23 KB
#5394	`EnrichedLog`	netcoreapp3.1	118μs	191ns	740ns	0	0	0	4.23 KB
#5394	`EnrichedLog`	net472	147μs	139ns	518ns	0.657	0.219	0	4.41 KB

Benchmarks.Trace.NLogBenchmark - Same speed :heavy_check_mark: Same allocations :heavy_check_mark:

Raw results

Branch	Method	Toolchain	Mean	StdError	StdDev	Gen 0	Gen 1	Gen 2	Allocated
master	`EnrichedLog`	net6.0	3μs	1.44ns	5.18ns	0.0315	0	0	2.21 KB
master	`EnrichedLog`	netcoreapp3.1	4.3μs	2.26ns	8.73ns	0.0301	0	0	2.21 KB
master	`EnrichedLog`	net472	4.9μs	1.46ns	5.67ns	0.32	0	0	2.02 KB
#5394	`EnrichedLog`	net6.0	3.2μs	1.14ns	4.43ns	0.0318	0	0	2.21 KB
#5394	`EnrichedLog`	netcoreapp3.1	4.21μs	2.83ns	10.6ns	0.0294	0	0	2.21 KB
#5394	`EnrichedLog`	net472	5.04μs	6.8ns	26.3ns	0.32	0	0	2.02 KB

Benchmarks.Trace.RedisBenchmark - Same speed :heavy_check_mark: Same allocations :heavy_check_mark:

Raw results

Branch	Method	Toolchain	Mean	StdError	StdDev	Gen 0	Gen 1	Gen 2	Allocated
master	`SendReceive`	net6.0	1.49μs	1.03ns	3.71ns	0.0163	0	0	1.18 KB
master	`SendReceive`	netcoreapp3.1	1.83μs	1.19ns	4.61ns	0.0155	0	0	1.18 KB
master	`SendReceive`	net472	2.12μs	0.93ns	3.48ns	0.187	0	0	1.18 KB
#5394	`SendReceive`	net6.0	1.38μs	0.465ns	1.61ns	0.0166	0	0	1.18 KB
#5394	`SendReceive`	netcoreapp3.1	1.89μs	0.981ns	3.54ns	0.0161	0	0	1.18 KB
#5394	`SendReceive`	net472	2.28μs	1.37ns	5.31ns	0.187	0.00114	0	1.18 KB

Benchmarks.Trace.SerilogBenchmark - Same speed :heavy_check_mark: Same allocations :heavy_check_mark:

Raw results

Branch	Method	Toolchain	Mean	StdError	StdDev	Gen 0	Gen 1	Gen 2	Allocated
master	`EnrichedLog`	net6.0	2.77μs	0.695ns	2.6ns	0.0207	0	0	1.55 KB
master	`EnrichedLog`	netcoreapp3.1	4.01μs	2.92ns	10.9ns	0.0201	0	0	1.6 KB
master	`EnrichedLog`	net472	4.45μs	2.84ns	11ns	0.316	0	0	1.99 KB
#5394	`EnrichedLog`	net6.0	2.71μs	0.629ns	2.35ns	0.0217	0	0	1.55 KB
#5394	`EnrichedLog`	netcoreapp3.1	4.04μs	1.35ns	5.24ns	0.0202	0	0	1.6 KB
#5394	`EnrichedLog`	net472	4.5μs	10.4ns	40.3ns	0.316	0	0	1.99 KB

Benchmarks.Trace.SpanBenchmark - Same speed :heavy_check_mark: Same allocations :heavy_check_mark:

Raw results

Branch	Method	Toolchain	Mean	StdError	StdDev	Gen 0	Gen 1	Gen 2	Allocated
master	`StartFinishSpan`	net6.0	524ns	0.278ns	1.04ns	0.00775	0	0	552 B
master	`StartFinishSpan`	netcoreapp3.1	692ns	1.59ns	6.15ns	0.00736	0	0	552 B
master	`StartFinishSpan`	net472	740ns	1.2ns	4.65ns	0.0877	0	0	554 B
master	`StartFinishScope`	net6.0	575ns	1.29ns	4.84ns	0.00954	0	0	672 B
master	`StartFinishScope`	netcoreapp3.1	824ns	1.4ns	5.43ns	0.00893	0	0	672 B
master	`StartFinishScope`	net472	929ns	1.94ns	7.51ns	0.101	0	0	634 B
#5394	`StartFinishSpan`	net6.0	513ns	1.05ns	4.07ns	0.00763	0	0	552 B
#5394	`StartFinishSpan`	netcoreapp3.1	697ns	1.22ns	4.72ns	0.00734	0	0	552 B
#5394	`StartFinishSpan`	net472	793ns	1.39ns	5.37ns	0.0877	0	0	554 B
#5394	`StartFinishScope`	net6.0	591ns	0.687ns	2.57ns	0.00938	0	0	672 B
#5394	`StartFinishScope`	netcoreapp3.1	822ns	1.24ns	4.63ns	0.00899	0	0	672 B
#5394	`StartFinishScope`	net472	924ns	1.14ns	4.41ns	0.1	0	0	634 B

Benchmarks.Trace.TraceAnnotationsBenchmark - Faster :tada: Same allocations :heavy_check_mark:

Faster :tada: in #5394

Benchmark	base/diff	Base Median (ns)	Diff Median (ns)	Modality
Benchmarks.Trace.TraceAnnotationsBenchmark.RunOnMethodBegin‑netcoreapp3.1	1.197	1,072.73	896.54

Raw results

Branch	Method	Toolchain	Mean	StdError	StdDev	Gen 0	Gen 1	Gen 2	Allocated
master	`RunOnMethodBegin`	net6.0	691ns	1.01ns	3.92ns	0.00933	0	0	672 B
master	`RunOnMethodBegin`	netcoreapp3.1	1.07μs	2.59ns	10ns	0.00904	0	0	672 B
master	`RunOnMethodBegin`	net472	1.13μs	2.24ns	8.68ns	0.1	0	0	634 B
#5394	`RunOnMethodBegin`	net6.0	633ns	0.896ns	3.47ns	0.00955	0	0	672 B
#5394	`RunOnMethodBegin`	netcoreapp3.1	896ns	1.95ns	7.55ns	0.00908	0	0	672 B
#5394	`RunOnMethodBegin`	net472	1.07μs	1.9ns	7.34ns	0.101	0	0	634 B

Apr 04 '24 11:04 andrewlock