Add squashing metrics (#3573)
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@ -1,9 +1,12 @@
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//! The `bank_forks` module implments BankForks a DAG of checkpointed Banks
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use hashbrown::{HashMap, HashSet};
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use solana_metrics::counter::Counter;
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use solana_runtime::bank::Bank;
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use solana_sdk::timing;
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use std::ops::Index;
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use std::sync::Arc;
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use std::time::Instant;
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pub struct BankForks {
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banks: HashMap<u64, Arc<Bank>>,
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@ -99,12 +102,17 @@ impl BankForks {
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}
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pub fn set_root(&mut self, root: u64) {
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let set_root_start = Instant::now();
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let root_bank = self
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.banks
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.get(&root)
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.expect("root bank didn't exist in bank_forks");
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root_bank.squash();
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self.prune_non_root(root);
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inc_new_counter_info!(
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"bank-forks_set_root_ms",
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timing::duration_as_ms(&set_root_start.elapsed()) as usize
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);
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}
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fn prune_non_root(&mut self, root: u64) {
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@ -11,6 +11,7 @@ use bincode::serialize;
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use hashbrown::HashMap;
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use log::*;
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use solana_metrics::counter::Counter;
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use solana_metrics::influxdb;
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use solana_sdk::account::Account;
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use solana_sdk::fee_calculator::FeeCalculator;
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use solana_sdk::genesis_block::GenesisBlock;
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@ -19,7 +20,7 @@ use solana_sdk::native_loader;
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use solana_sdk::pubkey::Pubkey;
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use solana_sdk::signature::{Keypair, Signature};
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use solana_sdk::system_transaction::SystemTransaction;
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use solana_sdk::timing::{duration_as_us, MAX_RECENT_BLOCKHASHES};
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use solana_sdk::timing::{duration_as_ms, duration_as_us, MAX_RECENT_BLOCKHASHES};
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use solana_sdk::transaction::{Transaction, TransactionError};
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use solana_vote_api::vote_instruction::Vote;
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use solana_vote_api::vote_state::{Lockout, VoteState};
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@ -260,11 +261,28 @@ impl Bank {
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let parents = self.parents();
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*self.parent.write().unwrap() = None;
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let squash_accounts_start = Instant::now();
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self.accounts.squash(self.accounts_id);
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let squash_accounts_ms = duration_as_ms(&squash_accounts_start.elapsed());
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let squash_cache_start = Instant::now();
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parents
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.iter()
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.for_each(|p| self.status_cache.write().unwrap().add_root(p.slot()));
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let squash_cache_ms = duration_as_ms(&squash_cache_start.elapsed());
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solana_metrics::submit(
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influxdb::Point::new("counter-locktower-observed")
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.add_field(
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"squash_accounts_ms",
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influxdb::Value::Integer(squash_accounts_ms as i64),
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)
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.add_field(
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"squash_cache_ms",
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influxdb::Value::Integer(squash_cache_ms as i64),
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)
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.to_owned(),
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);
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}
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/// Return the more recent checkpoint of this bank instance.
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