diff --git a/cmd/xgo/runtime_gen/trace/stack.go b/cmd/xgo/runtime_gen/trace/stack.go
index 635c838f..476c8983 100755
--- a/cmd/xgo/runtime_gen/trace/stack.go
+++ b/cmd/xgo/runtime_gen/trace/stack.go
@@ -41,8 +41,9 @@ type ExportOptions struct {
 	// suppress error when marshalling
 	// arguments and results
 	DisableErrSilent bool
-	SizeLimit        int // 0: default limit 16K
-	AppearanceLimit  int // 0: default limit 100
+
+	SizeLimit       int // 0: default limit 16K
+	AppearanceLimit int // 0: default limit 100
 
 	FilterStack func(stack *StackExport) *StackExport
 
diff --git a/cmd/xgo/runtime_gen/trace/trace.go b/cmd/xgo/runtime_gen/trace/trace.go
index 5b4dca2e..ec263d01 100755
--- a/cmd/xgo/runtime_gen/trace/trace.go
+++ b/cmd/xgo/runtime_gen/trace/trace.go
@@ -147,11 +147,19 @@ func Begin() func() {
 	return enableLocal(&collectOpts{})
 }
 
+type CollectOptions struct {
+	// ignore args, will be set to nil
+	IgnoreArgs bool
+	// ignore result, will be set to nil
+	IgnoreResults bool
+}
+
 type collectOpts struct {
 	name          string
 	onComplete    func(root *Root)
 	filter        []func(stack *Stack) bool
 	root          *Root
+	options       *CollectOptions
 	exportOptions *ExportOptions
 }
 
@@ -173,6 +181,10 @@ func (c *collectOpts) WithFilter(f func(stack *Stack) bool) *collectOpts {
 	c.filter = append(c.filter, f)
 	return c
 }
+func (c *collectOpts) WithOptions(opts *CollectOptions) *collectOpts {
+	c.options = opts
+	return c
+}
 
 func (c *collectOpts) WithExport(expOpts *ExportOptions) *collectOpts {
 	c.exportOptions = expOpts
@@ -251,6 +263,14 @@ func handleTracePre(ctx context.Context, f *core.FuncInfo, args core.Object, res
 		if localRoot == nil {
 			initial = true
 		}
+		if localOpts.options != nil {
+			if localOpts.options.IgnoreArgs {
+				stack.Args = nil
+			}
+			if localOpts.options.IgnoreResults {
+				stack.Results = nil
+			}
+		}
 	}
 	if initial {
 		// initial stack
diff --git a/cmd/xgo/version.go b/cmd/xgo/version.go
index 51d10cac..efe71c7f 100644
--- a/cmd/xgo/version.go
+++ b/cmd/xgo/version.go
@@ -4,8 +4,8 @@ import "fmt"
 
 // auto updated
 const VERSION = "1.0.44"
-const REVISION = "84c03999158dacf6ef0b1d5e070dbf0651a1874e+1"
-const NUMBER = 290
+const REVISION = "012b5e4ef44917264a5e6e47e70a88ee40f4facc+1"
+const NUMBER = 291
 
 // manually updated
 const CORE_VERSION = "1.0.43"
diff --git a/runtime/trace/stack.go b/runtime/trace/stack.go
index 635c838f..476c8983 100644
--- a/runtime/trace/stack.go
+++ b/runtime/trace/stack.go
@@ -41,8 +41,9 @@ type ExportOptions struct {
 	// suppress error when marshalling
 	// arguments and results
 	DisableErrSilent bool
-	SizeLimit        int // 0: default limit 16K
-	AppearanceLimit  int // 0: default limit 100
+
+	SizeLimit       int // 0: default limit 16K
+	AppearanceLimit int // 0: default limit 100
 
 	FilterStack func(stack *StackExport) *StackExport
 
diff --git a/runtime/trace/trace.go b/runtime/trace/trace.go
index 5b4dca2e..ec263d01 100644
--- a/runtime/trace/trace.go
+++ b/runtime/trace/trace.go
@@ -147,11 +147,19 @@ func Begin() func() {
 	return enableLocal(&collectOpts{})
 }
 
+type CollectOptions struct {
+	// ignore args, will be set to nil
+	IgnoreArgs bool
+	// ignore result, will be set to nil
+	IgnoreResults bool
+}
+
 type collectOpts struct {
 	name          string
 	onComplete    func(root *Root)
 	filter        []func(stack *Stack) bool
 	root          *Root
+	options       *CollectOptions
 	exportOptions *ExportOptions
 }
 
@@ -173,6 +181,10 @@ func (c *collectOpts) WithFilter(f func(stack *Stack) bool) *collectOpts {
 	c.filter = append(c.filter, f)
 	return c
 }
+func (c *collectOpts) WithOptions(opts *CollectOptions) *collectOpts {
+	c.options = opts
+	return c
+}
 
 func (c *collectOpts) WithExport(expOpts *ExportOptions) *collectOpts {
 	c.exportOptions = expOpts
@@ -251,6 +263,14 @@ func handleTracePre(ctx context.Context, f *core.FuncInfo, args core.Object, res
 		if localRoot == nil {
 			initial = true
 		}
+		if localOpts.options != nil {
+			if localOpts.options.IgnoreArgs {
+				stack.Args = nil
+			}
+			if localOpts.options.IgnoreResults {
+				stack.Results = nil
+			}
+		}
 	}
 	if initial {
 		// initial stack