improve package gerror

errors/gerror/gerror_stack.go

@@ -12,10 +12,12 @@ import "runtime"
 type stack []uintptr
 
 const (
+	// maxStackDepth marks the max stack depth for error back traces.
 	maxStackDepth = 32
 )
 
 // callers returns the stack callers.
+// Note that it here just retrieves the caller memory address array not the caller information.
 func callers(skip ...int) stack {
 	var (
 		pcs [maxStackDepth]uintptr

errors/gerror/gerror_z_bench_test.go

@@ -0,0 +1,17 @@
+// Copyright GoFrame Author(https://github.com/gogf/gf). All Rights Reserved.
+//
+// This Source Code Form is subject to the terms of the MIT License.
+// If a copy of the MIT was not distributed with this file,
+// You can obtain one at https://github.com/gogf/gf.
+
+package gerror
+
+import (
+	"testing"
+)
+
+func Benchmark_Stack(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		callers()
+	}
+}