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src/Npgsql/NpgsqlSqlEventSource.cs
28 строк
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Nino Floris
Perf improvements (#5245)
02 ноя 2023, 19:50
Не верифицирован
02 ноя 2023, 19:50
4b5b897
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using System.Diagnostics.Tracing; namespace Npgsql; sealed class NpgsqlSqlEventSource : EventSource { public static readonly NpgsqlSqlEventSource Log = new(); const string EventSourceName = "Npgsql.Sql"; const int CommandStartId = 3; const int CommandStopId = 4; internal NpgsqlSqlEventSource() : base(EventSourceName) {} // NOTE // - The 'Start' and 'Stop' suffixes on the following event names have special meaning in EventSource. They // enable creating 'activities'. // For more information, take a look at the following blog post: // https://blogs.msdn.microsoft.com/vancem/2015/09/14/exploring-eventsource-activity-correlation-and-causation-features/ // - A stop event's event id must be next one after its start event. [Event(CommandStartId, Level = EventLevel.Informational)] public void CommandStart(string sql) => WriteEvent(CommandStartId, sql); [Event(CommandStopId, Level = EventLevel.Informational)] public void CommandStop() => WriteEvent(CommandStopId); }