diff --git a/trie/triedb/pathdb/asyncnodebuffer.go b/trie/triedb/pathdb/asyncnodebuffer.go
index 2c96fedc02..6c988b6f6a 100644
--- a/trie/triedb/pathdb/asyncnodebuffer.go
+++ b/trie/triedb/pathdb/asyncnodebuffer.go
@@ -272,6 +272,7 @@ func (nc *nodecache) commit(nodes map[common.Hash]map[string]*trienode.Node) err
 	}
 	nc.updateSize(delta)
 	nc.layers++
+	frontBufferDeltaMeter.Mark(delta)
 	gcNodesMeter.Mark(overwrite)
 	gcBytesMeter.Mark(overwriteSize)
 	return nil
@@ -321,6 +322,7 @@ func (nc *nodecache) flush(db ethdb.KeyValueStore, clean *fastcache.Cache, id ui
 	if err := batch.Write(); err != nil {
 		return err
 	}
+	backCommitlayerNumberMeter.Update(int64(nc.layers))
 	commitBytesMeter.Mark(int64(size))
 	commitNodesMeter.Mark(int64(nodes))
 	commitTimeTimer.UpdateSince(start)
diff --git a/trie/triedb/pathdb/layertree.go b/trie/triedb/pathdb/layertree.go
index ed94d2e19e..9d495741b1 100644
--- a/trie/triedb/pathdb/layertree.go
+++ b/trie/triedb/pathdb/layertree.go
@@ -191,6 +191,7 @@ func (tree *layerTree) cap(root common.Hash, layers int) error {
 			remove(root)
 		}
 	}
+	layerNumberMeter.Update(int64(len(tree.layers)))
 	return nil
 }
 
diff --git a/trie/triedb/pathdb/metrics.go b/trie/triedb/pathdb/metrics.go
index 9e2b1dcbf5..bb8cb45b08 100644
--- a/trie/triedb/pathdb/metrics.go
+++ b/trie/triedb/pathdb/metrics.go
@@ -47,4 +47,8 @@ var (
 	historyBuildTimeMeter  = metrics.NewRegisteredTimer("pathdb/history/time", nil)
 	historyDataBytesMeter  = metrics.NewRegisteredMeter("pathdb/history/bytes/data", nil)
 	historyIndexBytesMeter = metrics.NewRegisteredMeter("pathdb/history/bytes/index", nil)
+
+	layerNumberMeter           = metrics.NewRegisteredGauge("pathdb/layer/number", nil)
+	frontBufferDeltaMeter      = metrics.NewRegisteredMeter("pathdb/front/buffer/delta", nil)
+	backCommitlayerNumberMeter = metrics.NewRegisteredGauge("pathdb/back/commit/layer/number", nil)
 )