gaspersic/go-ethereum
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

core: split out detailed trie access metrics from insertion time (#19316)

Browse Source 
* core: split out detailed trie access metrics from insertion time

* cmd, core, metrics: support expensive optional metrics
This commit is contained in:
Péter Szilágyi
2019-03-25 10:01:18 +02:00
committed by GitHub
parent e852505ace
commit 86989e3fcd
7 changed files with 132 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
core/state/state_object.go
View File

@@ -21,9 +21,11 @@ import (
"fmt"
"io"
"math/big"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/rlp"
)
@@ -177,6 +179,10 @@ func (self *stateObject) GetCommittedState(db Database, key common.Hash) common.
if cached {
return value
}
// Track the amount of time wasted on reading the storge trie
if metrics.EnabledExpensive {
defer func(start time.Time) { self.db.StorageReads += time.Since(start) }(time.Now())
}
// Otherwise load the value from the database
enc, err := self.getTrie(db).TryGet(key[:])
if err != nil {
@@ -216,6 +222,11 @@ func (self *stateObject) setState(key, value common.Hash) {
// updateTrie writes cached storage modifications into the object's storage trie.
func (self *stateObject) updateTrie(db Database) Trie {
// Track the amount of time wasted on updating the storge trie
if metrics.EnabledExpensive {
defer func(start time.Time) { self.db.StorageUpdates += time.Since(start) }(time.Now())
}
// Update all the dirty slots in the trie
tr := self.getTrie(db)
for key, value := range self.dirtyStorage {
delete(self.dirtyStorage, key)
@@ -240,6 +251,11 @@ func (self *stateObject) updateTrie(db Database) Trie {
// UpdateRoot sets the trie root to the current root hash of
func (self *stateObject) updateRoot(db Database) {
self.updateTrie(db)
// Track the amount of time wasted on hashing the storge trie
if metrics.EnabledExpensive {
defer func(start time.Time) { self.db.StorageHashes += time.Since(start) }(time.Now())
}
self.data.Root = self.trie.Hash()
}
@@ -250,6 +266,10 @@ func (self *stateObject) CommitTrie(db Database) error {
if self.dbErr != nil {
return self.dbErr
}
// Track the amount of time wasted on committing the storge trie
if metrics.EnabledExpensive {
defer func(start time.Time) { self.db.StorageCommits += time.Since(start) }(time.Now())
}
root, err := self.trie.Commit(nil)
if err == nil {
self.data.Root = root

67
core/state/statedb.go
View File

@@ -22,11 +22,13 @@ import (
"fmt"
"math/big"
"sort"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/trie"
)
@@ -86,6 +88,16 @@ type StateDB struct {
journal *journal
validRevisions []revision
nextRevisionId int
// Measurements gathered during execution for debugging purposes
AccountReads time.Duration
AccountHashes time.Duration
AccountUpdates time.Duration
AccountCommits time.Duration
StorageReads time.Duration
StorageHashes time.Duration
StorageUpdates time.Duration
StorageCommits time.Duration
}
// Create a new state from a given trie.
@@ -386,36 +398,51 @@ func (self *StateDB) Suicide(addr common.Address) bool {
//
// updateStateObject writes the given object to the trie.
func (self *StateDB) updateStateObject(stateObject *stateObject) {
func (s *StateDB) updateStateObject(stateObject *stateObject) {
// Track the amount of time wasted on updating the account from the trie
if metrics.EnabledExpensive {
defer func(start time.Time) { s.AccountUpdates += time.Since(start) }(time.Now())
}
// Encode the account and update the account trie
addr := stateObject.Address()
data, err := rlp.EncodeToBytes(stateObject)
if err != nil {
panic(fmt.Errorf("can't encode object at %x: %v", addr[:], err))
}
self.setError(self.trie.TryUpdate(addr[:], data))
s.setError(s.trie.TryUpdate(addr[:], data))
}
// deleteStateObject removes the given object from the state trie.
func (self *StateDB) deleteStateObject(stateObject *stateObject) {
func (s *StateDB) deleteStateObject(stateObject *stateObject) {
// Track the amount of time wasted on deleting the account from the trie
if metrics.EnabledExpensive {
defer func(start time.Time) { s.AccountUpdates += time.Since(start) }(time.Now())
}
// Delete the account from the trie
stateObject.deleted = true
addr := stateObject.Address()
self.setError(self.trie.TryDelete(addr[:]))
s.setError(s.trie.TryDelete(addr[:]))
}
// Retrieve a state object given by the address. Returns nil if not found.
func (self *StateDB) getStateObject(addr common.Address) (stateObject *stateObject) {
// Prefer 'live' objects.
if obj := self.stateObjects[addr]; obj != nil {
func (s *StateDB) getStateObject(addr common.Address) (stateObject *stateObject) {
// Prefer live objects
if obj := s.stateObjects[addr]; obj != nil {
if obj.deleted {
return nil
}
return obj
}
// Load the object from the database.
enc, err := self.trie.TryGet(addr[:])
// Track the amount of time wasted on loading the object from the database
if metrics.EnabledExpensive {
defer func(start time.Time) { s.AccountReads += time.Since(start) }(time.Now())
}
// Load the object from the database
enc, err := s.trie.TryGet(addr[:])
if len(enc) == 0 {
self.setError(err)
s.setError(err)
return nil
}
var data Account
@@ -423,9 +450,9 @@ func (self *StateDB) getStateObject(addr common.Address) (stateObject *stateObje
log.Error("Failed to decode state object", "addr", addr, "err", err)
return nil
}
// Insert into the live set.
obj := newObject(self, addr, data)
self.setStateObject(obj)
// Insert into the live set
obj := newObject(s, addr, data)
s.setStateObject(obj)
return obj
}
@@ -600,6 +627,11 @@ func (s *StateDB) Finalise(deleteEmptyObjects bool) {
// goes into transaction receipts.
func (s *StateDB) IntermediateRoot(deleteEmptyObjects bool) common.Hash {
s.Finalise(deleteEmptyObjects)
// Track the amount of time wasted on hashing the account trie
if metrics.EnabledExpensive {
defer func(start time.Time) { s.AccountHashes += time.Since(start) }(time.Now())
}
return s.trie.Hash()
}
@@ -624,7 +656,7 @@ func (s *StateDB) Commit(deleteEmptyObjects bool) (root common.Hash, err error)
for addr := range s.journal.dirties {
s.stateObjectsDirty[addr] = struct{}{}
}
// Commit objects to the trie.
// Commit objects to the trie, measuring the elapsed time
for addr, stateObject := range s.stateObjects {
_, isDirty := s.stateObjectsDirty[addr]
switch {
@@ -647,7 +679,10 @@ func (s *StateDB) Commit(deleteEmptyObjects bool) (root common.Hash, err error)
}
delete(s.stateObjectsDirty, addr)
}
// Write trie changes.
// Write the account trie changes, measuing the amount of wasted time
if metrics.EnabledExpensive {
defer func(start time.Time) { s.AccountCommits += time.Since(start) }(time.Now())
}
root, err = s.trie.Commit(func(leaf []byte, parent common.Hash) error {
var account Account
if err := rlp.DecodeBytes(leaf, &account); err != nil {