removed unnecessary datasink checks (pytorch#9211)

Summary:

This diff removes unnecessary datasink checks in etdump to avoid false alarm when user dumping debug data.

Differential Revision: D71081481

Author: Gasoonjia

devtools/etdump/etdump_flatcc.cpp

@@ -351,10 +351,6 @@ void ETDumpGen::log_intermediate_output_delegate_helper(
       (name == nullptr) ^ (delegate_debug_index == -1),
       "Only name or delegate_debug_index can be valid. Check DelegateMappingBuilder documentation for more details.");
 
-  ET_CHECK_MSG(
-      data_sink_,
-      "Must pre-set data sink before logging evalue with set_data_sink() or set_debug_buffer()\n");
-
   check_ready_to_add_events();
   int64_t string_id = name != nullptr ? create_string_entry(name) : -1;
 
@@ -515,8 +511,6 @@ void ETDumpGen::set_data_sink(DataSinkBase* data_sink) {
 }
 
 void ETDumpGen::log_evalue(const EValue& evalue, LoggedEValueType evalue_type) {
-  ET_CHECK_MSG(data_sink_, "Must set data sink before logging evalue\n");
-
   check_ready_to_add_events();
 
   etdump_DebugEvent_start(builder_);
@@ -650,7 +644,8 @@ long ETDumpGen::write_tensor_or_raise_error(Tensor tensor) {
     return static_cast<size_t>(-1);
   }
 
-  ET_CHECK_MSG(data_sink_, "Must set data sink before writing data");
+  ET_CHECK_MSG(
+      data_sink_, "Must set data sink before writing tensor-like data");
   Result<size_t> ret =
       data_sink_->write(tensor.const_data_ptr(), tensor.nbytes());
   ET_CHECK_MSG(

devtools/etdump/tests/etdump_test.cpp

@@ -179,7 +179,7 @@ TEST_F(ProfilerETDumpTest, DebugEvent) {
   for (size_t i = 0; i < 2; i++) {
     for (size_t j = 0; j < 2; j++) {
       TensorFactory<ScalarType::Float> tf;
-      EValue evalue(tf.ones({3, 2}));
+      EValue evalue_tensor(tf.ones({3, 2}));
 
       etdump_gen[i]->create_event_block("test_block");
 
@@ -188,18 +188,6 @@ TEST_F(ProfilerETDumpTest, DebugEvent) {
 
       auto buffer_data_sink = BufferDataSink::create(ptr, 2048);
 
-      // using span to record debug data
-      if (j == 0) {
-        etdump_gen[i]->set_debug_buffer(buffer);
-      }
-      // using data sink to record debug data
-      else {
-        etdump_gen[i]->set_data_sink(&buffer_data_sink.get());
-      }
-
-      etdump_gen[i]->log_evalue(evalue);
-      etdump_gen[i]->log_evalue(evalue, LoggedEValueType::kProgramOutput);
-
       EValue evalue_int((int64_t)5);
       etdump_gen[i]->log_evalue(evalue_int);
 
@@ -211,6 +199,21 @@ TEST_F(ProfilerETDumpTest, DebugEvent) {
 
       etdump_gen[i]->log_evalue(evalue_bool);
 
+      // using span to record debug data
+      if (j == 0) {
+        ET_EXPECT_DEATH(
+            etdump_gen[i]->log_evalue(evalue_tensor),
+            "Must set data sink before writing tensor-like data");
+        etdump_gen[i]->set_debug_buffer(buffer);
+      }
+      // using data sink to record debug data
+      else {
+        etdump_gen[i]->set_data_sink(&buffer_data_sink.get());
+      }
+      etdump_gen[i]->log_evalue(evalue_tensor);
+      etdump_gen[i]->log_evalue(
+          evalue_tensor, LoggedEValueType::kProgramOutput);
+
       free(ptr);
     }
   }
@@ -487,7 +490,7 @@ TEST_F(ProfilerETDumpTest, LogDelegateIntermediateOutput) {
                 "test_event_tensor",
                 static_cast<torch::executor::DebugHandle>(-1),
                 tf.ones({3, 2})),
-            "Must pre-set data sink before logging evalue with set_data_sink");
+            "Must set data sink before writing tensor-like data");
         etdump_gen[i]->set_debug_buffer(buffer);
       }
       // using data sink to record debug data