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Console exporter: Display exponential histogram boundaries (#4507)

This commit is contained in:
Alan West 2023-05-24 15:27:41 -07:00 committed by GitHub
parent 47d88e17a5
commit eb12f9b386
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2 changed files with 16 additions and 2 deletions
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17
src/OpenTelemetry.Exporter.Console/ConsoleMetricExporter.cs
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@ -146,8 +146,21 @@ namespace OpenTelemetry.Exporter
}
else
{
// TODO: Consider how/if to display buckets for exponential histograms.
bucketsBuilder.AppendLine("Buckets are not displayed for exponential histograms.");
var exponentialHistogramData = metricPoint.GetExponentialHistogramData();
var scale = exponentialHistogramData.Scale;
if (exponentialHistogramData.ZeroCount != 0)
{
bucketsBuilder.AppendLine($"Zero Bucket:{exponentialHistogramData.ZeroCount}");
}
var offset = exponentialHistogramData.PositiveBuckets.Offset;
foreach (var bucketCount in exponentialHistogramData.PositiveBuckets)
{
var lowerBound = Base2ExponentialBucketHistogram.LowerBoundary(offset, scale).ToString(CultureInfo.InvariantCulture);
var upperBound = Base2ExponentialBucketHistogram.LowerBoundary(++offset, scale).ToString(CultureInfo.InvariantCulture);
bucketsBuilder.AppendLine($"({lowerBound}, {upperBound}]:{bucketCount}");
}
}
valueDisplay = bucketsBuilder.ToString();

1
src/OpenTelemetry.Exporter.Console/OpenTelemetry.Exporter.Console.csproj
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@ -28,6 +28,7 @@
<Compile Include="$(RepoRoot)\src\OpenTelemetry\Internal\OpenTelemetrySdkEventSource.cs" Link="Includes\OpenTelemetrySdkEventSource.cs" />
<Compile Include="$(RepoRoot)\src\OpenTelemetry\Internal\PeriodicExportingMetricReaderHelper.cs" Link="Includes\PeriodicExportingMetricReaderHelper.cs" />
<Compile Include="$(RepoRoot)\src\OpenTelemetry\Internal\TagTransformer.cs" Link="Includes\TagTransformer.cs" />
<Compile Include="$(RepoRoot)\src\OpenTelemetry\Metrics\Base2ExponentialBucketHistogram.LowerBoundary.cs" Link="Includes\Base2ExponentialBucketHistogram.LowerBoundary.cs" />
<Compile Include="$(RepoRoot)\src\OpenTelemetry.Api\Internal\ExceptionExtensions.cs" Link="Includes\ExceptionExtensions.cs" />
<Compile Include="$(RepoRoot)\src\OpenTelemetry.Api\Internal\Guard.cs" Link="Includes\Guard.cs" />
<Compile Include="$(RepoRoot)\src\OpenTelemetry.Api\Internal\SpanAttributeConstants.cs" Link="Includes\SpanAttributeConstants.cs" />