cmd/geth, trie: report on trie cache unloads, also add debug log

This commit is contained in:
Péter Szilágyi 2016-10-19 17:17:42 +03:00
parent 5d9bb0a050
commit 88a593d559
No known key found for this signature in database
GPG Key ID: 119A76381CCB7DD2
3 changed files with 11 additions and 1 deletions

View File

@ -99,7 +99,8 @@ func importChain(ctx *cli.Context) error {
utils.Fatalf("Failed to read database stats: %v", err)
}
fmt.Println(stats)
fmt.Printf("Trie cache misses: %d\n\n", trie.CacheMisses())
fmt.Printf("Trie cache misses: %d\n", trie.CacheMisses())
fmt.Printf("Trie cache unloads: %d\n\n", trie.CacheUnloads())
// Compact the entire database to more accurately measure disk io and print the stats
start = time.Now()

View File

@ -564,6 +564,8 @@ func (s *StateDB) Commit() (root common.Hash, err error) {
func (s *StateDB) CommitBatch() (root common.Hash, batch ethdb.Batch) {
batch = s.db.NewBatch()
root, _ = s.commit(batch)
glog.V(logger.Debug).Infof("Trie cache stats: %d misses, %d unloads", trie.CacheMisses(), trie.CacheUnloads())
return root, batch
}

View File

@ -47,6 +47,13 @@ func CacheMisses() int64 {
return cacheMissCounter.Count()
}
// CacheUnloads retrieves a global counter measuring the number of cache unloads
// the trie did since process startup. This isn't useful for anything apart from
// trie debugging purposes.
func CacheUnloads() int64 {
return cacheUnloadCounter.Count()
}
func init() {
sha3.NewKeccak256().Sum(emptyState[:0])
}