From 9310b54d439d4a1a8d4d337987aa63884df0af76 Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Wed, 20 May 2026 11:38:19 +0300
Subject: feat: add syscall aggregate sampling infrastructure (task 17)

---
 internal/ior.go | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'internal/ior.go')

diff --git a/internal/ior.go b/internal/ior.go
index decdf12..3afb09a 100644
--- a/internal/ior.go
+++ b/internal/ior.go
@@ -242,6 +242,9 @@ func wireRuntimeBindings(rt *tuiRuntime, bindings runtime.TraceRuntimeBindings)
 // live-filter setter so the TUI can swap filters without restarting BPF probes.
 func makeTUIEventLoopConfigurer(ctx context.Context, cfg flags.Config, rt *tuiRuntime) func(*eventLoop) {
 	var recorderWarningOnce sync.Once
+	type aggregateSink interface {
+		IngestSyscallAggregates([]statsengine.SyscallAggregate)
+	}
 	return func(el *eventLoop) {
 		// Seed the event loop's filter from config so subsequent reads via
 		// el.Filter() see the same filter the trace was started with.
@@ -271,6 +274,9 @@ func makeTUIEventLoopConfigurer(ctx context.Context, cfg flags.Config, rt *tuiRu
 		el.warningCb = func(message string) {
 			rt.streamBuf.Push(streamrow.NewWarning(rt.streamSeq.Next(), message))
 		}
+		if sink, ok := rt.snapSource.(aggregateSink); ok {
+			el.aggregateSink = sink
+		}
 		if bindings, ok := runtime.RuntimeBindingsFromContext(ctx); ok {
 			bindings.SetLiveFilterSetter(el.SetFilter)
 		}
@@ -566,6 +572,15 @@ func setupTraceInfra(
 		bpfModule.Close()
 		return nil, nil, nil, nil, nil, nil, func() {}, err
 	}
+	aggregateConsumer, err := newSyscallAggregateConsumer(bpfModule)
+	if err != nil {
+		cancel()
+		stopSignals()
+		rb.Stop()
+		bpfModule.Close()
+		return nil, nil, nil, nil, nil, nil, func() {}, err
+	}
+	el.aggregateSrc = aggregateConsumer
 
 	teardown = func() {
 		// Stop the ring-buffer polling goroutine before the module is closed.
-- 
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