testing.B.Loop() standardization and StackAsync.Debug improvement (#156)

* testing.B.Loop() standardization and StackAsync.Debug heap debugging improvement

* apply @MDr164 fixes

* @MDr164 great suggestions to prevent panic and print correct mallocs

x/xnet/stack-async.go

@@ -842,24 +842,18 @@ func addr4(addr [4]byte, ok bool) netip.Addr {
 	return netip.AddrFrom4(addr)
 }
 
-// Debug prints debugging information. Very useful for users when coupled with
-// the debugheaplog build tag. See [internal.LogAttrs] debugheaplog version.
-//
-//	go build -tags=debugheaplog ./yourprogram
+// Debug prints debugging and heap information.
 func (s *StackAsync) Debug(msg string) {
-	internal.LogAttrs(slog.Default(), slog.LevelDebug, "stackasync",
+	internal.LogAttrsAndAllocs(msg, slog.Default(), slog.LevelDebug, "stackasync",
 		slog.String("umsg", msg),
 		slog.Uint64("sent", s.stats.TotalSent),
 		slog.Uint64("recv", s.stats.TotalReceived),
 	)
 }
 
-// DebugErr prints debugging and error info. Very useful for users when coupled with
-// the debugheaplog build tag. See [internal.LogAttrs] debugheaplog version.
-//
-//	go build -tags=debugheaplog ./yourprogram
+// DebugErr prints debugging and heap information.
 func (s *StackAsync) DebugErr(msg, err string) {
-	internal.LogAttrs(slog.Default(), slog.LevelError, "stackasync",
+	internal.LogAttrsAndAllocs(msg, slog.Default(), slog.LevelError, "stackasync",
 		slog.String("umsg", msg),
 		slog.String("err", err),
 		slog.Uint64("sent", s.stats.TotalSent),

x/xnet/xnet_bench_test.go

@@ -41,7 +41,7 @@ func BenchmarkARPExchange(b *testing.B) {
 	var buf [frameSize]byte
 
 	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
+	for b.Loop() {
 		err = c1.StartResolveHardwareAddress6(queryAddr)
 		if err != nil {
 			b.Fatal(err)
@@ -130,7 +130,7 @@ func BenchmarkTCPHandshake(b *testing.B) {
 	var pktbuf [frameSize]byte
 
 	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
+	for b.Loop() {
 		// Setup connections.
 		err = sv.ListenTCP4(svconn, svPort)
 		if err != nil {

x/xnet/xnet_debug_pcap.go

@@ -2,7 +2,11 @@
 
 package xnet
 
-import "os"
+import (
+	"os"
+
+	"github.com/soypat/lneto/internal"
+)
 
 var _pcap CapturePrinter
 
@@ -14,4 +18,7 @@ func init() {
 
 func debugPacket(msg string, b []byte) {
 	_pcap.PrintEthernet(msg, b)
+	if internal.HeapAllocDebugging {
+		internal.LogAllocs(msg)
+	}
 }

x/xnet/xnet_untinygo_test.go

@@ -13,6 +13,9 @@ import (
 )
 
 func TestTinyGoTest(t *testing.T) {
+	if testing.Short() {
+		t.Skip("`tinygo test` skipped on short test")
+	}
 	if exec.Command("tinygo", "version").Run() != nil {
 		t.Skip("tinygo not installed")
 	}