core, eth, trie: expose more detailed dirty ram tracking for diff layers (#27971)

eth/state_accessor.go

@@ -168,7 +168,7 @@ func (eth *Ethereum) hashState(ctx context.Context, block *types.Block, reexec u
 		parent = root
 	}
 	if report {
-		nodes, imgs := triedb.Size()
+		_, nodes, imgs := triedb.Size() // all memory is contained within the nodes return in hashdb
 		log.Info("Historical state regenerated", "block", current.NumberU64(), "elapsed", time.Since(start), "nodes", nodes, "preimages", imgs)
 	}
 	return statedb, func() { triedb.Dereference(block.Root()) }, nil

eth/tracers/api.go

@@ -369,8 +369,8 @@ func (api *API) traceChain(start, end *types.Block, config *TraceConfig, closed
 			// if the relevant state is available in disk.
 			var preferDisk bool
 			if statedb != nil {
-				s1, s2 := statedb.Database().TrieDB().Size()
-				preferDisk = s1+s2 > defaultTracechainMemLimit
+				s1, s2, s3 := statedb.Database().TrieDB().Size()
+				preferDisk = s1+s2+s3 > defaultTracechainMemLimit
 			}
 			statedb, release, err = api.backend.StateAtBlock(ctx, block, reexec, statedb, false, preferDisk)
 			if err != nil {