48 lines
1.3 KiB
C#
48 lines
1.3 KiB
C#
using System.Diagnostics;
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using System.Runtime.CompilerServices;
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namespace DHT.Utils.Logging {
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public sealed class Perf {
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internal static Perf Start(Log log, string? context = null, [CallerMemberName] string callerMemberName = "") {
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return new Perf(log, callerMemberName, context);
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}
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private readonly Log log;
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private readonly string method;
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private readonly string? context;
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private readonly Stopwatch totalStopwatch;
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private readonly Stopwatch stepStopwatch;
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private Perf(Log log, string method, string? context) {
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this.log = log;
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this.method = method;
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this.context = context;
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this.totalStopwatch = new Stopwatch();
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this.totalStopwatch.Start();
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this.stepStopwatch = new Stopwatch();
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this.stepStopwatch.Start();
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}
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public void Step(string name) {
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stepStopwatch.Stop();
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if (Log.IsDebugEnabled) {
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string ctx = context == null ? string.Empty : " " + context;
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log.Debug($"Finished step '{name}' of '{method}'{ctx} in {stepStopwatch.ElapsedMilliseconds} ms.");
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}
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stepStopwatch.Restart();
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}
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public void End() {
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totalStopwatch.Stop();
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stepStopwatch.Stop();
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if (Log.IsDebugEnabled) {
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string ctx = context == null ? string.Empty : " " + context;
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log.Debug($"Finished '{method}'{ctx} in {totalStopwatch.ElapsedMilliseconds} ms.");
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}
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}
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}
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}
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