perf test: Simplify metric value validation test final report

The original test report was too complicated to read with information
that not really useful. This new update simplify the report which should
largely improve the readibility.
Signed-off-by: Weilin Wang <weilin.wang@intel.com>
Reviewed-by: Ian Rogers <irogers@google.com>
Cc: Caleb Biggers <caleb.biggers@intel.com>
Cc: Perry Taylor <perry.taylor@intel.com>
Cc: Samantha Alt <samantha.alt@intel.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240130180907.639729-1-weilin.wang@intel.com

tools/perf/tests/shell/stat_metrics_values.sh

@@ -19,6 +19,8 @@ echo "Output will be stored in: $tmpdir"
 $PYTHON $pythonvalidator -rule $rulefile -output_dir $tmpdir -wl "${workload}"
 ret=$?
 rm -rf $tmpdir
-
+if [ $ret -ne 0 ]; then
+	echo "Metric validation return with erros. Please check metrics reported with errors."
+fi
 exit $ret