wehub-resource-sync
43 lines
1.3 KiB
C#
43 lines
1.3 KiB
C#
using System.Diagnostics;
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namespace MsbuildAnalyzer.Utilities;
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/// <summary>
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/// Performance logging utility that writes timing information to stderr when NX_PERF_LOGGING=true.
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/// Follows Nx performance logging conventions.
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/// </summary>
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public class PerfLogger : IDisposable
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{
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private readonly string _operationName;
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private readonly Stopwatch _stopwatch;
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private static readonly bool _isEnabled = Environment.GetEnvironmentVariable("NX_PERF_LOGGING") == "true";
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private PerfLogger(string operationName)
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{
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_operationName = operationName;
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_stopwatch = Stopwatch.StartNew();
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}
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/// <summary>
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/// Start timing an operation. Use with 'using' statement for automatic disposal.
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/// </summary>
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/// <param name="operationName">Name of the operation being timed.</param>
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/// <returns>PerfLogger instance that will log timing on disposal.</returns>
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public static PerfLogger? Start(string operationName)
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{
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return _isEnabled ? new PerfLogger(operationName) : null;
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}
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/// <summary>
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/// Logs the elapsed time for the operation to stderr.
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/// </summary>
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public void Dispose()
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{
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if (_isEnabled)
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{
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_stopwatch.Stop();
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Console.Error.WriteLine($"Time for '[@nx/dotnet]: {_operationName}' {_stopwatch.Elapsed.TotalMilliseconds:F1}ms");
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}
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}
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}
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