diff --git a/python/sglang/bench_serving.py b/python/sglang/bench_serving.py
index cf62da0a7..1b9fa5ae7 100644
--- a/python/sglang/bench_serving.py
+++ b/python/sglang/bench_serving.py
@@ -932,6 +932,7 @@ class BenchmarkMetrics:
     mean_e2e_latency_ms: float
     median_e2e_latency_ms: float
     std_e2e_latency_ms: float
+    p90_e2e_latency_ms: float
     p99_e2e_latency_ms: float
     concurrency: float
     max_output_tokens_per_s: float = 0.0
@@ -2081,6 +2082,7 @@ def calculate_metrics(
         mean_e2e_latency_ms=np.mean(e2e_latencies) * 1000,
         median_e2e_latency_ms=np.median(e2e_latencies) * 1000,
         std_e2e_latency_ms=np.std(e2e_latencies) * 1000,
+        p90_e2e_latency_ms=np.percentile(e2e_latencies, 90) * 1000,
         p99_e2e_latency_ms=np.percentile(e2e_latencies, 99) * 1000,
         concurrency=np.sum(e2e_latencies) / dur_s,
         max_output_tokens_per_s=max_output_tokens_per_s,
@@ -2409,6 +2411,12 @@ async def benchmark(
             "Median E2E Latency (ms):", metrics.median_e2e_latency_ms
         )
     )
+    print(
+        "{:<40} {:<10.2f}".format("P90 E2E Latency (ms):", metrics.p90_e2e_latency_ms)
+    )
+    print(
+        "{:<40} {:<10.2f}".format("P99 E2E Latency (ms):", metrics.p99_e2e_latency_ms)
+    )
     print("{s:{c}^{n}}".format(s="Time to First Token", n=50, c="-"))
     print("{:<40} {:<10.2f}".format("Mean TTFT (ms):", metrics.mean_ttft_ms))
     print("{:<40} {:<10.2f}".format("Median TTFT (ms):", metrics.median_ttft_ms))
@@ -2463,6 +2471,7 @@ async def benchmark(
             "mean_e2e_latency_ms": metrics.mean_e2e_latency_ms,
             "median_e2e_latency_ms": metrics.median_e2e_latency_ms,
             "std_e2e_latency_ms": metrics.std_e2e_latency_ms,
+            "p90_e2e_latency_ms": metrics.p90_e2e_latency_ms,
             "p99_e2e_latency_ms": metrics.p99_e2e_latency_ms,
             "mean_ttft_ms": metrics.mean_ttft_ms,
             "median_ttft_ms": metrics.median_ttft_ms,