[SWDEV-484495] Fix int truncation in CSV output (#1098)

CSV output truncates doubles to ints when it shouldn't. Derived metrics
are (mostly) doubles and lose precision (or become worthless) if treated
as an int. Converted these to double to match the format we return from
rocprof-sdk.

Co-authored-by: Benjamin Welton <ben@amd.com>

tests/rocprofv3/counter-collection/input3/validate.py

@@ -35,7 +35,7 @@ def test_validate_counter_collection_yml_pmc(counter_input_data):
         assert len(row["Counter_Value"]) > 0
         # assert row["Counter_Name"].contains("SQ_WAVES").all()
         assert row["Counter_Name"] in counter_names
-        assert int(row["Counter_Value"]) > 0
+        assert float(row["Counter_Value"]) > 0
 
         di_list.append(int(row["Dispatch_Id"]))