private static IEnumerable <ExposedMetric> GetExposedMetric(SourceAndConfig source)
{
Console.WriteLine($"Getting metrics for {source}..");
// Start collector
var registry = new CollectorRegistry();
using var statsCollector = source.ApplyConfig(DotNetRuntimeStatsBuilder.Customize()).StartCollecting(registry);
// Wait for metrics to be available (hacky!)
Thread.Sleep(1500);
// Pull registered collectors
var collectors = registry.TryGetFieldValue("_collectors", Flags.InstancePrivate) as ConcurrentDictionary <string, Collector>;
return(collectors.Values.Select(c => new ExposedMetric(c, source.Source)));
}
static async Task Main(string[] args)
{
// TODO output different path depending on runtime version
var sources = new []
{
SourceAndConfig.CreateFrom(b => b.WithThreadPoolStats(CaptureLevel.Counters, new ThreadPoolMetricsProducer.Options())),
SourceAndConfig.CreateFrom(b => b.WithThreadPoolStats(CaptureLevel.Informational, new ThreadPoolMetricsProducer.Options())),
SourceAndConfig.CreateFrom(b => b.WithGcStats(CaptureLevel.Counters, new double[0])),
SourceAndConfig.CreateFrom(b => b.WithGcStats(CaptureLevel.Informational, new double[0])),
SourceAndConfig.CreateFrom(b => b.WithGcStats(CaptureLevel.Verbose, new double[0])),
SourceAndConfig.CreateFrom(b => b.WithContentionStats(CaptureLevel.Counters, SampleEvery.OneEvent)),
SourceAndConfig.CreateFrom(b => b.WithContentionStats(CaptureLevel.Informational, SampleEvery.OneEvent)),
SourceAndConfig.CreateFrom(b => b.WithExceptionStats(CaptureLevel.Counters)),
SourceAndConfig.CreateFrom(b => b.WithExceptionStats(CaptureLevel.Errors)),
SourceAndConfig.CreateFrom(b => b.WithJitStats(CaptureLevel.Counters, SampleEvery.OneEvent)),
SourceAndConfig.CreateFrom(b => b.WithJitStats(CaptureLevel.Verbose, SampleEvery.OneEvent)),
SourceAndConfig.CreateFrom(b => b.WithExceptionStats(CaptureLevel.Errors))
};
var assemblyDocs = typeof(DotNetRuntimeStatsBuilder).Assembly.LoadXmlDocumentation();
var allMetrics = GetAllMetrics(sources);
MdSpan[] GetCells(Collector m)
{
return(new MdSpan[]
{
new MdRawMarkdownSpan($"`{m.Name}`"),
new MdRawMarkdownSpan($"`{m.GetType().Name}`"),
m.Help,
new MdRawMarkdownSpan(string.Join(", ", m.LabelNames.Select(x => $"`{x}`"))),
});
}
var document = new MdDocument();
var root = document.Root;
root.Add(new MdHeading(new MdRawMarkdownSpan($"`.net {EventParserTypes.CurrentRuntimeVerison.Value}` metrics"), 1));
root.Add(new MdParagraph(new MdRawMarkdownSpan($"Each subheading details the metrics produced by calling builder methods with the specified `{nameof(CaptureLevel)}`.")));
root.Add(new MdHeading("Default metrics", 2));
root.Add(new MdParagraph("Metrics that are included by default, regardless of what stats collectors are enabled."));
root.Add(new MdTable(headerRow: new MdTableRow("Name", "Type", "Description", "Labels"),
allMetrics.CommonMetrics.Select(x => new MdTableRow(GetCells(x))).ToArray()));
foreach (var methodAndSources in allMetrics.MethodsToSources)
{
root.Add(new MdHeading(new MdCodeSpan($".{methodAndSources.method.Name}()"), 2));
root.Add(new MdParagraph(assemblyDocs.GetDocumentation(methodAndSources.method).Summary));
for (var i = 0; i < methodAndSources.sources.Length; i++)
{
var s = methodAndSources.sources[i];
if (allMetrics.SourceToMetrics[s].Count == 0)
{
continue;
}
root.Add(new MdHeading(new MdCodeSpan($"{nameof(CaptureLevel)}." + s.Level), 3));
var previousLevels = methodAndSources.sources.Take(i).ToArray();
if (previousLevels.Length > 0)
{
root.Add(new MdParagraph(
new MdRawMarkdownSpan($"Includes metrics generated by {string.Join(", ", previousLevels.Select(c => $"`{nameof(CaptureLevel)}.{c.Level}`"))} plus:")
));
}
root.Add(new MdTable(headerRow: new MdTableRow("Name", "Type", "Description", "Labels"),
allMetrics.SourceToMetrics[s].Select(x => new MdTableRow(GetCells(x.Collector))).ToArray()));
}
}
document.Save($"../../../../../docs/metrics-exposed-{EventParserTypes.CurrentRuntimeVerison.Value}.md");
}
