tracer: fix capacity issue (open-telemetry#669)

florianl · gnurizen · commit 4a01451faea2 · 2025-09-17T11:00:46.000-04:00
diff --git a/tracer/tracer.go b/tracer/tracer.go
@@ -686,7 +686,7 @@ func (t *Tracer) readKernelFrames(kstackID int32) (libpf.Frames, error) {
 		kstackLen++
 	}
 
-	frames := make(libpf.Frames, kstackLen)
+	frames := make(libpf.Frames, 0, kstackLen)
 	for i := uint32(0); i < kstackLen; i++ {
 		address := libpf.Address(kstackVal[i])
 		frame := libpf.Frame{

Original file line number	Diff line number	Diff line change
`@@ -686,7 +686,7 @@ func (t *Tracer) readKernelFrames(kstackID int32) (libpf.Frames, error) {`
`686`	`686`	`kstackLen++`
`687`	`687`	`}`
`688`	`688`
`689`		`- frames := make(libpf.Frames, kstackLen)`
	`689`	`+ frames := make(libpf.Frames, 0, kstackLen)`
`690`	`690`	`for i := uint32(0); i < kstackLen; i++ {`
`691`	`691`	`address := libpf.Address(kstackVal[i])`
`692`	`692`	`frame := libpf.Frame{`