--- /tmp/evalscope-sync/src-v191/evalscope/report/combinator.py	2026-07-21 03:18:18.000000000 +0000
+++ /data1/syy/evalscope/evalstone/evalscope/evalscope/report/combinator.py	2026-09-01 03:48:30.955904239 +0000
@@ -18,6 +18,15 @@
 """
 
 
+def _format_request_success(summary: Dict[str, Any]) -> str:
+    """Format vendor HTTP success rate from ``perf_metrics.summary.request``."""
+    request = summary.get('request') or {}
+    rate = request.get('success_rate')
+    if rate is None:
+        return '-'
+    return f'{float(rate) * 100:.1f}%'
+
+
 def _is_report_json(data: Any) -> bool:
     if not isinstance(data, dict):
         return False
@@ -254,6 +263,7 @@
             'Model': report.model_name,
             'Dataset': report.dataset_name,
             'Num': ps.n_samples,
+            'Req Succ%': _format_request_success(summary),
             'Avg Lat\n(s)': round(ps.avg_latency, 4),
             'Avg TTFT\n(ms)': round(ps.avg_ttft * 1000, 2) if ps.avg_ttft is not None else '-',
             'Avg TPOT\n(ms)': round(ps.avg_tpot * 1000, 2) if ps.avg_tpot is not None else '-',