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perf(headless): establish K4 resource telemetry

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This commit is contained in:
Erik 2026-07-27 10:47:31 +02:00
parent 827a039760
commit cb512fd091
5 changed files with 662 additions and 4 deletions
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43
src/AcDream.Headless/Hosting/HeadlessProcessHost.cs
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@ -13,6 +13,7 @@ internal sealed class HeadlessProcessHost : IDisposable
private readonly HeadlessProcessScheduler _scheduler;
private readonly HeadlessDiagnosticWriter _diagnostics;
private readonly HeadlessProcessContentOwner? _content;
private readonly HeadlessProcessResourceSampler _resources;
private int _disposeIndex;
private bool _disposed;
@ -50,6 +51,7 @@ internal sealed class HeadlessProcessHost : IDisposable
var sessions = new List<HeadlessSessionHost>(
configuration.Sessions.Count);
HeadlessProcessContentOwner? content = null;
HeadlessProcessResourceSampler? resources = null;
try
{
if (configuration.Process?.Content is { } contentDescriptor)
@ -102,14 +104,23 @@ internal sealed class HeadlessProcessHost : IDisposable
}
_sessions = sessions.ToArray();
resources = new HeadlessProcessResourceSampler(timeProvider);
_scheduler = new HeadlessProcessScheduler(
_sessions,
timeProvider);
timeProvider,
observation: snapshot =>
CaptureResources(
"periodic",
resources,
snapshot,
content));
_resources = resources;
_content = content;
_disposeIndex = _sessions.Length - 1;
}
catch
{
resources?.Dispose();
for (int index = sessions.Count - 1; index >= 0; index--)
sessions[index].Dispose();
content?.Dispose();
@ -164,6 +175,12 @@ internal sealed class HeadlessProcessHost : IDisposable
"running",
session.Runtime);
}
_scheduler.RebaseDeadlinesAfterSessionStart();
CaptureResources(
"running-start",
_resources,
_scheduler.CaptureSnapshot(),
_content);
try
{
@ -180,6 +197,11 @@ internal sealed class HeadlessProcessHost : IDisposable
return HeadlessExitCode.RuntimeError;
}
CaptureResources(
"running-stop",
_resources,
_scheduler.CaptureSnapshot(),
_content);
return _scheduler.CaptureSnapshot().FaultedSessionCount > 0
? HeadlessExitCode.RuntimeError
: HeadlessExitCode.Success;
@ -195,6 +217,25 @@ internal sealed class HeadlessProcessHost : IDisposable
_disposeIndex--;
}
_content?.Dispose();
CaptureResources(
"disposed",
_resources,
_scheduler.CaptureSnapshot(),
_content);
_resources.Dispose();
_disposed = true;
}
private void CaptureResources(
string state,
HeadlessProcessResourceSampler resources,
HeadlessSchedulerSnapshot scheduler,
HeadlessProcessContentOwner? content)
{
HeadlessProcessResourceSnapshot snapshot = resources.Capture(
_sessions,
scheduler,
content?.CaptureSnapshot());
_diagnostics.Resources(state, snapshot);
}
}