Band aid fix for MI 100 no counters collected (#614)

* rocprofv3 might not collect any counters for MI 100, handle this case gracefully to prevent test failures

src/utils/utils.py

@@ -651,9 +651,15 @@ def run_prof(
         # TODO: add hip trace output processing
 
         # Combine results into single CSV file
-        combined_results = pd.concat(
-            [pd.read_csv(f) for f in results_files], ignore_index=True
-        )
+        if results_files:
+            combined_results = pd.concat(
+                [pd.read_csv(f) for f in results_files], ignore_index=True
+            )
+        else:
+            console_warning(
+                f"Cannot write results for {fbase}.csv due to no counter csv files generated."
+            )
+            return
 
         # Overwrite column to ensure unique IDs.
         combined_results["Dispatch_ID"] = range(0, len(combined_results))
@@ -761,7 +767,8 @@ def process_rocprofv3_output(rocprof_output, workload_dir, is_timestamps):
             )
         else:
             # when the input is not for timestamps, and counter csv file is not generated, we assume failed rocprof run and will completely bypass the file generation and merging for current pmc
-            console_error("No counter csv files generated, rocprofv3 run failed!!!")
+            results_files_csv = []
+            console_warning("No counter csv files generated, rocprofv3 run failed!!!")
 
     else:
         console_error("The output file of rocprofv3 can only support json or csv!!!")