20260618 增加PP缓存命中路径性能埋点

src/validation/tree_runner/tests.rs

@@ -2008,6 +2008,33 @@ fn runner_publication_point_cache_reuses_projection_outputs_children_and_ccr() {
             .copied(),
         Some(1)
     );
+    assert_eq!(
+        counts
+            .get("publication_point_cache_related_objects_reused")
+            .copied(),
+        Some(vcir.related_artifacts.len() as u64)
+    );
+    assert_eq!(
+        counts
+            .get("publication_point_cache_audit_objects_reused")
+            .copied(),
+        Some(result.cir_cached_objects.len() as u64)
+    );
+    let timing_dir = tempfile::tempdir().expect("timing dir");
+    let timing_path = timing_dir.path().join("timing.json");
+    timing.write_json(&timing_path, 20).expect("write timing");
+    let timing_json: serde_json::Value =
+        serde_json::from_slice(&std::fs::read(&timing_path).expect("read timing"))
+            .expect("parse timing");
+    let phase_keys = timing_json["phases"]
+        .as_object()
+        .expect("phases")
+        .keys()
+        .map(|key| key.as_str())
+        .collect::<std::collections::HashSet<_>>();
+    assert!(phase_keys.contains("publication_point_cache_lookup_hit_total"));
+    assert!(phase_keys.contains("publication_point_cache_reuse_build_total"));
+    assert!(phase_keys.contains("publication_point_cache_build_objects_total"));
 }
 
 #[test]