From 55276cd2a2ea3e918d2c625a384c7fa99fee9295 Mon Sep 17 00:00:00 2001
From: Paul Buetow <paul@buetow.org>
Date: Wed, 26 Mar 2025 22:11:40 +0200
Subject: initial io_ async tracepoints

---
 internal/flamegraph/worker.go | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'internal/flamegraph')

diff --git a/internal/flamegraph/worker.go b/internal/flamegraph/worker.go
index 09458fd..7369949 100644
--- a/internal/flamegraph/worker.go
+++ b/internal/flamegraph/worker.go
@@ -24,7 +24,12 @@ func (w worker) run(ctx context.Context, wg *sync.WaitGroup, ch <-chan *event.Pa
 	for {
 		select {
 		case ev := <-ch:
-			filePath := ev.File.Name()
+			var filePath string
+			if ev.File == nil {
+				filePath = "N:file"
+			} else {
+				filePath = ev.File.Name()
+			}
 			pathMap, ok := w.collapsed[filePath]
 			if !ok {
 				pathMap = make(map[types.TraceId]counter)
-- 
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