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perf(engine): single-pass fold for EvmState metrics collection (#21852)

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YK
2026-02-05 21:00:08 +08:00
committed by GitHub
parent a92aca2549
commit 5cfb891b59
1 changed files with 8 additions and 3 deletions
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11
crates/engine/tree/src/tree/mod.rs
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@@ -231,9 +231,14 @@ struct MeteredStateHook {
impl OnStateHook for MeteredStateHook {
fn on_state(&mut self, source: StateChangeSource, state: &EvmState) {
// Update the metrics for the number of accounts, storage slots and bytecodes loaded
let accounts = state.keys().len();
let storage_slots = state.values().map(|account| account.storage.len()).sum::<usize>();
let bytecodes = state.values().filter(|account| !account.info.is_empty_code_hash()).count();
let accounts = state.len();
let (storage_slots, bytecodes) =
state.values().fold((0, 0), |(storage_slots, bytecodes), account| {
(
storage_slots + account.storage.len(),
bytecodes + usize::from(!account.info.is_empty_code_hash()),
)
});
self.metrics.accounts_loaded_histogram.record(accounts as f64);
self.metrics.storage_slots_loaded_histogram.record(storage_slots as f64);