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Emit More EventSource Data For Metrics Measurements (dotnet#104993)
* Emit More EventSource Data For Metrics Measurements * rename event param names for consistency * Update src/libraries/System.Diagnostics.DiagnosticSource/src/System/Diagnostics/Helpers.cs Co-authored-by: Stephen Toub <stoub@microsoft.com> * Use int for meter and instrument hashes * Reduce the data emitted with metric value publishing --------- Co-authored-by: Stephen Toub <stoub@microsoft.com>
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src/libraries/System.Diagnostics.DiagnosticSource/src/System/Diagnostics/Helpers.cs
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// Licensed to the .NET Foundation under one or more agreements. | ||
// The .NET Foundation licenses this file to you under the MIT license. | ||
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using System.Collections.Generic; | ||
using System.Globalization; | ||
using System.Runtime.CompilerServices; | ||
using System.Text; | ||
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namespace System.Diagnostics | ||
{ | ||
internal static class Helpers | ||
{ | ||
internal static string FormatTags(IEnumerable<KeyValuePair<string, object?>>? tags) | ||
{ | ||
if (tags is null) | ||
{ | ||
return string.Empty; | ||
} | ||
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StringBuilder sb = new StringBuilder(); | ||
bool first = true; | ||
foreach (KeyValuePair<string, object?> tag in tags) | ||
{ | ||
if (first) | ||
{ | ||
first = false; | ||
} | ||
else | ||
{ | ||
sb.Append(','); | ||
} | ||
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sb.Append(tag.Key).Append('=').Append(tag.Value); | ||
} | ||
return sb.ToString(); | ||
} | ||
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internal static string FormatTags(KeyValuePair<string, string>[] labels) | ||
{ | ||
if (labels is null || labels.Length == 0) | ||
{ | ||
return string.Empty; | ||
} | ||
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StringBuilder sb = new StringBuilder(); | ||
for (int i = 0; i < labels.Length; i++) | ||
{ | ||
sb.Append(labels[i].Key).Append('=').Append(labels[i].Value); | ||
if (i != labels.Length - 1) | ||
{ | ||
sb.Append(','); | ||
} | ||
} | ||
return sb.ToString(); | ||
} | ||
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internal static string FormatObjectHash(object? obj) => | ||
obj is null ? string.Empty : RuntimeHelpers.GetHashCode(obj).ToString(CultureInfo.InvariantCulture); | ||
} | ||
} |
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