diff --git a/src/graph.cc b/src/graph.cc
index 35cec07..492c7de 100644
--- a/src/graph.cc
+++ b/src/graph.cc
@@ -522,19 +522,8 @@ void Graph::addTensor(Tensor *t)
 	}
 	else {
 		LOG(DEBUG) << "Updating existing tensor: " << t->name << std::endl;
-		LOG(TRACE) << "   was: gen " << prev->generate
-		           << "  init " << prev->initialize
-		           << "  IO " << prev->isIO
-		           << "  const " << prev->isConst
-		           << "  recurs " << prev->isRecursive
-		           << std::endl;
-		LOG(TRACE) << "   new: gen " << t->generate
-		           << "  init " << t->initialize
-		           << "  IO " << t->isIO
-		           << "  const " << t->isConst
-		           << "  recurs " << t->isRecursive
-		           << std::endl;
-
+		LOG(TRACE) << "  was: " << prev->print_trace_dump() << std::endl;
+		LOG(TRACE) << "  new: " << t->print_trace_dump() << std::endl;
 
 		// if updating an output to be recursive:
 		if( t->isRecursive ) {
@@ -567,12 +556,7 @@ void Graph::addTensor(Tensor *t)
 		if( t->isIO && prev->initialize == false)
 			prev->isIO=true;
 
-		LOG(TRACE) << "   now: gen " << prev->generate
-		           << "  init " << prev->initialize
-		           << "  IO " << prev->isIO
-		           << "  const " << prev->isConst
-		           << "  recurs " << prev->isRecursive
-		           << std::endl;
+		LOG(TRACE) << "  now: " << prev->print_trace_dump() << std::endl;
 	}
 }
 
diff --git a/src/graph.h b/src/graph.h
index 921f6fa..dd17776 100644
--- a/src/graph.h
+++ b/src/graph.h
@@ -68,6 +68,12 @@ class Graph {
 	 * the existing tensor is updated */
 	void addTensor(Tensor *t);
 
+	void log_trace_all_tensors(void)
+	{
+		LOG(TRACE) << "All known tensors at this moment:" << std::endl;
+		for( auto t : tensors ) LOG(TRACE) << "  " << t->print_trace_dump() << std::endl;
+	}
+
 	Tensor *findTensor(const std::string &name) const;
 
 	static int anonymous_nodes;
diff --git a/src/tensor.cc b/src/tensor.cc
index 22ff7f3..10692bb 100644
--- a/src/tensor.cc
+++ b/src/tensor.cc
@@ -532,3 +532,20 @@ float Tensor::get_data_element_float(uint64_t i) const
 	return 0;
 }
 
+std::string Tensor::print_trace_dump(void) const
+{
+	// TODO: there was some new pretty printing stuff in C++20?
+	std::stringstream rv;
+	rv << "  " <<  name << ":" // "global", ONNX name
+		   << "  gen " << generate
+		   << "  init " << initialize
+		   << "  IO " << isIO
+		   << "  const " << isConst
+		   << "  recurs " << isRecursive
+		   << "  dims { " << str_dimensions() << "}"
+		   << "  buffer " << data_buffer
+		;
+
+	return rv.str();
+}
+
diff --git a/src/tensor.h b/src/tensor.h
index b3821fa..bb82254 100644
--- a/src/tensor.h
+++ b/src/tensor.h
@@ -120,6 +120,7 @@ class Tensor {
 		union_no = u;
 	}
 
+	std::string print_trace_dump(void) const;
 };
 
 }