diff --git a/python/sglang/srt/managers/scheduler_runtime_checker_mixin.py b/python/sglang/srt/managers/scheduler_runtime_checker_mixin.py
index a3749578d..e00db8945 100644
--- a/python/sglang/srt/managers/scheduler_runtime_checker_mixin.py
+++ b/python/sglang/srt/managers/scheduler_runtime_checker_mixin.py
@@ -122,23 +122,37 @@ class SchedulerRuntimeCheckerMixin:
             full_num_used != self.tree_cache.full_protected_size()
             or mamba_num_used != self.tree_cache.mamba_protected_size()
         )
-        free_full_pages = set(
-            self.token_to_kv_pool_allocator.free_pages.tolist()
-            + self.token_to_kv_pool_allocator.release_pages.tolist()
-        )
-        cached_full_pages = set(self.tree_cache.all_values_flatten().tolist())
-        expected_full_pages = set(range(1, self.token_to_kv_pool_allocator.size + 1))
-        leaked_full_pages = expected_full_pages - free_full_pages - cached_full_pages
-        free_mamba_pages = set(self.req_to_token_pool.mamba_pool.free_slots.tolist())
-        cached_mamba_pages = set(self.tree_cache.all_mamba_values_flatten().tolist())
-        expected_mamba_pages = set(range(self.req_to_token_pool.mamba_pool.size))
-        leaked_mamba_pages = (
-            expected_mamba_pages - free_mamba_pages - cached_mamba_pages
-        )
-        token_msg = (
-            f"{full_available_size=}, {full_evictable_size=}, {self.token_to_kv_pool_allocator.size=}, {self.tree_cache.full_protected_size()=}\n"
-            f"{mamba_available_size=}, {mamba_evictable_size=}, {self.req_to_token_pool.mamba_pool.size=}, {self.tree_cache.mamba_protected_size()=}, leaked_full_pages={leaked_full_pages if len(leaked_full_pages) > 0 else None}, leaked_mamba_pages={leaked_mamba_pages if len(leaked_mamba_pages) > 0 else None}\n"
-        )
+        if memory_leak:
+            free_full_pages = set(
+                self.token_to_kv_pool_allocator.free_pages.tolist()
+                + self.token_to_kv_pool_allocator.release_pages.tolist()
+            )
+            cached_full_pages = set(self.tree_cache.all_values_flatten().tolist())
+            expected_full_pages = set(
+                range(1, self.token_to_kv_pool_allocator.size + 1)
+            )
+            leaked_full_pages = (
+                expected_full_pages - free_full_pages - cached_full_pages
+            )
+            free_mamba_pages = set(
+                self.req_to_token_pool.mamba_pool.free_slots.tolist()
+            )
+            cached_mamba_pages = set(
+                self.tree_cache.all_mamba_values_flatten().tolist()
+            )
+            expected_mamba_pages = set(range(self.req_to_token_pool.mamba_pool.size))
+            leaked_mamba_pages = (
+                expected_mamba_pages - free_mamba_pages - cached_mamba_pages
+            )
+            token_msg = (
+                f"{full_available_size=}, {full_evictable_size=}, {self.token_to_kv_pool_allocator.size=}, {self.tree_cache.full_protected_size()=}\n"
+                f"{mamba_available_size=}, {mamba_evictable_size=}, {self.req_to_token_pool.mamba_pool.size=}, {self.tree_cache.mamba_protected_size()=}, leaked_full_pages={leaked_full_pages if len(leaked_full_pages) > 0 else None}, leaked_mamba_pages={leaked_mamba_pages if len(leaked_mamba_pages) > 0 else None}\n"
+            )
+        else:
+            token_msg = (
+                f"{full_available_size=}, {full_evictable_size=}, {self.token_to_kv_pool_allocator.size=}, {self.tree_cache.full_protected_size()=}\n"
+                f"{mamba_available_size=}, {mamba_evictable_size=}, {self.req_to_token_pool.mamba_pool.size=}, {self.tree_cache.mamba_protected_size()=}\n"
+            )
         return memory_leak, token_msg
 
     def _check_radix_cache_memory(self: Scheduler):