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authorPéter Szilágyi <peterke@gmail.com>2016-10-18 19:44:41 +0800
committerPéter Szilágyi <peterke@gmail.com>2016-10-19 19:12:35 +0800
commit2bb5ec1e41ed8c1e56e31639fec87710e81d3977 (patch)
tree1435066b5021fa49d7d16558440ac8ccfd3a6831 /cmd
parentc9471e778209e16442a530820fb90c01cd47c369 (diff)
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cmd/geth, trie: track and report trie cache misses
Diffstat (limited to 'cmd')
-rw-r--r--cmd/geth/chaincmd.go18
1 files changed, 14 insertions, 4 deletions
diff --git a/cmd/geth/chaincmd.go b/cmd/geth/chaincmd.go
index 5ef278a64..d7cdf1064 100644
--- a/cmd/geth/chaincmd.go
+++ b/cmd/geth/chaincmd.go
@@ -31,6 +31,7 @@ import (
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethdb"
"github.com/ethereum/go-ethereum/logger/glog"
+ "github.com/ethereum/go-ethereum/trie"
"github.com/syndtr/goleveldb/leveldb/util"
"gopkg.in/urfave/cli.v1"
)
@@ -89,21 +90,30 @@ func importChain(ctx *cli.Context) error {
if err := utils.ImportChain(chain, ctx.Args().First()); err != nil {
utils.Fatalf("Import error: %v", err)
}
- fmt.Printf("Import done in %v, compacting...\n", time.Since(start))
+ fmt.Printf("Import done in %v.\n", time.Since(start))
- // Compact the entire database to more accurately measure disk io and print the stats
if db, ok := chainDb.(*ethdb.LDBDatabase); ok {
+ // Output pre-compaction stats mostly to see the import trashing
+ stats, err := db.LDB().GetProperty("leveldb.stats")
+ if err != nil {
+ utils.Fatalf("Failed to read database stats: %v", err)
+ }
+ fmt.Println(stats)
+
+ // Compact the entire database to more accurately measure disk io and print the stats
start = time.Now()
- if err := db.LDB().CompactRange(util.Range{}); err != nil {
+ fmt.Println("Compacting entire database...")
+ if err = db.LDB().CompactRange(util.Range{}); err != nil {
utils.Fatalf("Compaction failed: %v", err)
}
fmt.Printf("Compaction done in %v.\n", time.Since(start))
- stats, err := db.LDB().GetProperty("leveldb.stats")
+ stats, err = db.LDB().GetProperty("leveldb.stats")
if err != nil {
utils.Fatalf("Failed to read database stats: %v", err)
}
fmt.Println(stats)
+ fmt.Println("Trie cache misses:", trie.CacheMisses())
}
return nil
}