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fd76921afa
Populates per-block state read/write counts in slow-block JSON for BAL blocks (which #34892 left as TBD), and adds reader-level read timing. Builds on top of bal-devnet-3 — most of the PR's earlier slow-block log infrastructure was adapted into upstream by that commit, so this change is now scoped to the metric population that the BAL alone can derive. - BAL helpers: BlockAccessList.{UniqueAccountCount, UniqueStorageSlotCount, WrittenCounts}. WrittenCounts walks the BAL once and returns the block-aggregate write counts. - Reader-level read timing: *reader times all synchronous Account/Storage/ Code/CodeSize calls via atomic counters; exposed via ReadTimes() ReadDurations and the new state.ReadTimer interface. Replaces StateDB- level AccountReads/StorageReads/CodeReads tracking (the StateDB shouldn't time its dependencies — the reader is where the I/O happens). - Reader-level code-load dedup: *reader.codeLoaded sync.Map records the first-seen byte length per address; CodeLoads() returns (count, bytes). Exposed via state.CodeLoadTracker. Replaces StateDB CodeLoaded/ CodeLoadBytes tracking and the SnapshotCodeLoads aggregation pattern. - BALStateTransition: caches BlockAccessList.WrittenCounts() once at construction; tracks accountDeleted/storageDeleted atomics for the parallel root-pass (the BAL alone can't distinguish a selfdestruct from a balance/nonce reset). Exposes Deletions() DeletionCounts. Drops the older accountUpdated/storageUpdated/codeUpdated/codeUpdateBytes counters (now derived from WrittenCounts). - BAL block stats path (blockchain.go): populates StateCounts directly — AccountUpdated = WrittenCounts.Accounts - Deletions.Accounts (same for storage). AccountLoaded/StorageLoaded come from BAL. CodeLoaded/ CodeLoadBytes come from the shared *reader (deduplicated across phase StateDBs naturally because they share one reader instance). - Non-BAL block stats path: read durations come from the reader; counts from StateDB fields. StorageUpdated/StorageDeleted unified to int width. - Hard type assertions: state.ReadTimer / state.CodeLoadTracker / state.ReaderStater consumers use direct casts (no silent zero fallback) — every Reader chain in production satisfies these interfaces. - Meter alignment: account/storage Updated meters subtract Deletions to avoid double-reporting blocks under both Update and Delete dashboards.
101 lines
3.2 KiB
Go
101 lines
3.2 KiB
Go
// Copyright 2026 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package state
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import "time"
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// ReadDurations groups cumulative read durations by category.
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type ReadDurations struct {
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Account time.Duration
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Storage time.Duration
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Code time.Duration
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}
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// ReadTimer exposes a Reader's cumulative read durations.
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type ReadTimer interface {
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ReadTimes() ReadDurations
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}
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// CodeLoadTracker exposes a Reader's deduplicated code-load count and bytes.
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type CodeLoadTracker interface {
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CodeLoads() (count, bytes int)
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}
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// ContractCodeReaderStats aggregates statistics for the contract code reader.
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type ContractCodeReaderStats struct {
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CacheHit int64 // Number of cache hits
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CacheMiss int64 // Number of cache misses
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CacheHitBytes int64 // Total bytes served from cache
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CacheMissBytes int64 // Total bytes read on cache misses
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}
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// HitRate returns the cache hit rate in percentage.
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func (s ContractCodeReaderStats) HitRate() float64 {
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total := s.CacheHit + s.CacheMiss
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if total == 0 {
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return 0
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}
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return float64(s.CacheHit) / float64(total) * 100
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}
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// ContractCodeReaderStater wraps the method to retrieve the statistics of
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// contract code reader.
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type ContractCodeReaderStater interface {
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GetCodeStats() ContractCodeReaderStats
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}
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// StateReaderStats aggregates statistics for the state reader.
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type StateReaderStats struct {
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AccountCacheHit int64 // Number of account cache hits
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AccountCacheMiss int64 // Number of account cache misses
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StorageCacheHit int64 // Number of storage cache hits
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StorageCacheMiss int64 // Number of storage cache misses
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}
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// AccountCacheHitRate returns the cache hit rate of account requests in percentage.
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func (s StateReaderStats) AccountCacheHitRate() float64 {
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total := s.AccountCacheHit + s.AccountCacheMiss
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if total == 0 {
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return 0
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}
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return float64(s.AccountCacheHit) / float64(total) * 100
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}
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// StorageCacheHitRate returns the cache hit rate of storage requests in percentage.
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func (s StateReaderStats) StorageCacheHitRate() float64 {
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total := s.StorageCacheHit + s.StorageCacheMiss
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if total == 0 {
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return 0
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}
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return float64(s.StorageCacheHit) / float64(total) * 100
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}
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// StateReaderStater wraps the method to retrieve the statistics of state reader.
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type StateReaderStater interface {
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GetStateStats() StateReaderStats
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}
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// ReaderStats wraps the statistics of reader.
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type ReaderStats struct {
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CodeStats ContractCodeReaderStats
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StateStats StateReaderStats
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}
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// ReaderStater defines the capability to retrieve aggregated statistics.
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type ReaderStater interface {
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GetStats() ReaderStats
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}
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