2018-12-11 19:47:32 -08:00
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use solana_metrics;
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use rayon::prelude::*;
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use solana::client::mk_client;
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use solana::cluster_info::NodeInfo;
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use solana::thin_client::ThinClient;
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use solana_drone::drone::request_airdrop_transaction;
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use solana_metrics::influxdb;
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use solana_sdk::hash::Hash;
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use solana_sdk::signature::{Keypair, KeypairUtil};
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use solana_sdk::system_transaction::SystemTransaction;
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use solana_sdk::timing::timestamp;
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use solana_sdk::timing::{duration_as_ms, duration_as_s};
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use solana_sdk::transaction::Transaction;
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use std::cmp;
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use std::collections::VecDeque;
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use std::net::SocketAddr;
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use std::process::exit;
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use std::sync::atomic::{AtomicBool, AtomicIsize, AtomicUsize, Ordering};
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use std::sync::{Arc, RwLock};
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use std::thread::sleep;
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use std::time::Duration;
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use std::time::Instant;
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pub struct NodeStats {
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/// Maximum TPS reported by this node
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pub tps: f64,
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/// Total transactions reported by this node
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pub tx: u64,
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}
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pub const MAX_SPENDS_PER_TX: usize = 4;
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pub type SharedTransactions = Arc<RwLock<VecDeque<Vec<(Transaction, u64)>>>>;
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pub fn metrics_submit_token_balance(token_balance: u64) {
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println!("Token balance: {}", token_balance);
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solana_metrics::submit(
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influxdb::Point::new("bench-tps")
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.add_tag("op", influxdb::Value::String("token_balance".to_string()))
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.add_field("balance", influxdb::Value::Integer(token_balance as i64))
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.to_owned(),
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);
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}
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pub fn sample_tx_count(
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exit_signal: &Arc<AtomicBool>,
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maxes: &Arc<RwLock<Vec<(SocketAddr, NodeStats)>>>,
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first_tx_count: u64,
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v: &NodeInfo,
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sample_period: u64,
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) {
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let mut client = mk_client(&v);
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let mut now = Instant::now();
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let mut initial_tx_count = client.transaction_count();
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let mut max_tps = 0.0;
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let mut total;
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let log_prefix = format!("{:21}:", v.tpu.to_string());
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loop {
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let tx_count = client.transaction_count();
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assert!(
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tx_count >= initial_tx_count,
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"expected tx_count({}) >= initial_tx_count({})",
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tx_count,
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initial_tx_count
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);
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let duration = now.elapsed();
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now = Instant::now();
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let sample = tx_count - initial_tx_count;
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initial_tx_count = tx_count;
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let ns = duration.as_secs() * 1_000_000_000 + u64::from(duration.subsec_nanos());
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let tps = (sample * 1_000_000_000) as f64 / ns as f64;
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if tps > max_tps {
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max_tps = tps;
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}
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if tx_count > first_tx_count {
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total = tx_count - first_tx_count;
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} else {
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total = 0;
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}
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println!(
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"{} {:9.2} TPS, Transactions: {:6}, Total transactions: {}",
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log_prefix, tps, sample, total
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);
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sleep(Duration::new(sample_period, 0));
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if exit_signal.load(Ordering::Relaxed) {
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println!("{} Exiting validator thread", log_prefix);
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let stats = NodeStats {
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tps: max_tps,
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tx: total,
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};
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maxes.write().unwrap().push((v.tpu, stats));
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break;
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}
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}
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}
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/// Send loopback payment of 0 tokens and confirm the network processed it
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pub fn send_barrier_transaction(barrier_client: &mut ThinClient, last_id: &mut Hash, id: &Keypair) {
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let transfer_start = Instant::now();
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let mut poll_count = 0;
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loop {
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if poll_count > 0 && poll_count % 8 == 0 {
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println!(
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"polling for barrier transaction confirmation, attempt {}",
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poll_count
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);
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}
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*last_id = barrier_client.get_last_id();
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let signature = barrier_client
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.transfer(0, &id, id.pubkey(), last_id)
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.expect("Unable to send barrier transaction");
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let confirmatiom = barrier_client.poll_for_signature(&signature);
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let duration_ms = duration_as_ms(&transfer_start.elapsed());
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if confirmatiom.is_ok() {
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println!("barrier transaction confirmed in {} ms", duration_ms);
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solana_metrics::submit(
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influxdb::Point::new("bench-tps")
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.add_tag(
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"op",
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influxdb::Value::String("send_barrier_transaction".to_string()),
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)
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.add_field("poll_count", influxdb::Value::Integer(poll_count))
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.add_field("duration", influxdb::Value::Integer(duration_ms as i64))
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.to_owned(),
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);
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// Sanity check that the client balance is still 1
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let balance = barrier_client
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.poll_balance_with_timeout(
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&id.pubkey(),
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&Duration::from_millis(100),
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&Duration::from_secs(10),
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)
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.expect("Failed to get balance");
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if balance != 1 {
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panic!("Expected an account balance of 1 (balance: {}", balance);
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}
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break;
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}
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// Timeout after 3 minutes. When running a CPU-only leader+validator+drone+bench-tps on a dev
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// machine, some batches of transactions can take upwards of 1 minute...
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if duration_ms > 1000 * 60 * 3 {
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println!("Error: Couldn't confirm barrier transaction!");
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exit(1);
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}
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let new_last_id = barrier_client.get_last_id();
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if new_last_id == *last_id {
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if poll_count > 0 && poll_count % 8 == 0 {
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println!("last_id is not advancing, still at {:?}", *last_id);
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}
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} else {
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*last_id = new_last_id;
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}
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poll_count += 1;
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}
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}
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pub fn generate_txs(
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shared_txs: &SharedTransactions,
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source: &[Keypair],
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dest: &[Keypair],
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threads: usize,
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reclaim: bool,
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leader: &NodeInfo,
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) {
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let mut client = mk_client(leader);
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let last_id = client.get_last_id();
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let tx_count = source.len();
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println!("Signing transactions... {} (reclaim={})", tx_count, reclaim);
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let signing_start = Instant::now();
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let pairs: Vec<_> = if !reclaim {
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source.iter().zip(dest.iter()).collect()
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} else {
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dest.iter().zip(source.iter()).collect()
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};
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let transactions: Vec<_> = pairs
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.par_iter()
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.map(|(id, keypair)| {
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(
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2019-02-01 07:36:35 -08:00
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SystemTransaction::new_account(id, keypair.pubkey(), 1, last_id, 0),
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2018-12-11 19:47:32 -08:00
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timestamp(),
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)
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})
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.collect();
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let duration = signing_start.elapsed();
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let ns = duration.as_secs() * 1_000_000_000 + u64::from(duration.subsec_nanos());
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let bsps = (tx_count) as f64 / ns as f64;
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let nsps = ns as f64 / (tx_count) as f64;
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println!(
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"Done. {:.2} thousand signatures per second, {:.2} us per signature, {} ms total time, {}",
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bsps * 1_000_000_f64,
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nsps / 1_000_f64,
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duration_as_ms(&duration),
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last_id,
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);
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solana_metrics::submit(
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influxdb::Point::new("bench-tps")
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.add_tag("op", influxdb::Value::String("generate_txs".to_string()))
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.add_field(
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"duration",
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influxdb::Value::Integer(duration_as_ms(&duration) as i64),
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)
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.to_owned(),
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);
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let sz = transactions.len() / threads;
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let chunks: Vec<_> = transactions.chunks(sz).collect();
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{
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let mut shared_txs_wl = shared_txs.write().unwrap();
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for chunk in chunks {
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shared_txs_wl.push_back(chunk.to_vec());
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}
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}
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}
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pub fn do_tx_transfers(
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exit_signal: &Arc<AtomicBool>,
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shared_txs: &SharedTransactions,
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leader: &NodeInfo,
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shared_tx_thread_count: &Arc<AtomicIsize>,
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total_tx_sent_count: &Arc<AtomicUsize>,
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2019-01-03 14:16:06 -08:00
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thread_batch_sleep_ms: usize,
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2018-12-11 19:47:32 -08:00
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) {
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let client = mk_client(&leader);
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loop {
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2019-01-03 14:16:06 -08:00
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if thread_batch_sleep_ms > 0 {
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sleep(Duration::from_millis(thread_batch_sleep_ms as u64));
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}
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2018-12-11 19:47:32 -08:00
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let txs;
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{
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let mut shared_txs_wl = shared_txs.write().unwrap();
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txs = shared_txs_wl.pop_front();
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}
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if let Some(txs0) = txs {
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shared_tx_thread_count.fetch_add(1, Ordering::Relaxed);
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println!(
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"Transferring 1 unit {} times... to {}",
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txs0.len(),
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leader.tpu
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);
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let tx_len = txs0.len();
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let transfer_start = Instant::now();
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for tx in txs0 {
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let now = timestamp();
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if now > tx.1 && now - tx.1 > 1000 * 30 {
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continue;
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}
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client.transfer_signed(&tx.0).unwrap();
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}
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shared_tx_thread_count.fetch_add(-1, Ordering::Relaxed);
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total_tx_sent_count.fetch_add(tx_len, Ordering::Relaxed);
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println!(
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"Tx send done. {} ms {} tps",
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duration_as_ms(&transfer_start.elapsed()),
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tx_len as f32 / duration_as_s(&transfer_start.elapsed()),
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);
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solana_metrics::submit(
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influxdb::Point::new("bench-tps")
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.add_tag("op", influxdb::Value::String("do_tx_transfers".to_string()))
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.add_field(
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"duration",
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influxdb::Value::Integer(duration_as_ms(&transfer_start.elapsed()) as i64),
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)
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.add_field("count", influxdb::Value::Integer(tx_len as i64))
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.to_owned(),
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);
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}
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if exit_signal.load(Ordering::Relaxed) {
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break;
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}
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}
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}
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pub fn verify_funding_transfer(client: &mut ThinClient, tx: &Transaction, amount: u64) -> bool {
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for a in &tx.account_keys[1..] {
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if client.get_balance(a).unwrap_or(0) >= amount {
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return true;
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}
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}
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false
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}
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/// fund the dests keys by spending all of the source keys into MAX_SPENDS_PER_TX
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/// on every iteration. This allows us to replay the transfers because the source is either empty,
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/// or full
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pub fn fund_keys(client: &mut ThinClient, source: &Keypair, dests: &[Keypair], tokens: u64) {
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let total = tokens * dests.len() as u64;
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let mut funded: Vec<(&Keypair, u64)> = vec![(source, total)];
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let mut notfunded: Vec<&Keypair> = dests.iter().collect();
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println!("funding keys {}", dests.len());
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while !notfunded.is_empty() {
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let mut new_funded: Vec<(&Keypair, u64)> = vec![];
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let mut to_fund = vec![];
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println!("creating from... {}", funded.len());
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for f in &mut funded {
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let max_units = cmp::min(notfunded.len(), MAX_SPENDS_PER_TX);
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if max_units == 0 {
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break;
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}
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let start = notfunded.len() - max_units;
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let per_unit = f.1 / (max_units as u64);
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let moves: Vec<_> = notfunded[start..]
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.iter()
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.map(|k| (k.pubkey(), per_unit))
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.collect();
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notfunded[start..]
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.iter()
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.for_each(|k| new_funded.push((k, per_unit)));
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notfunded.truncate(start);
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if !moves.is_empty() {
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to_fund.push((f.0, moves));
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}
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}
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// try to transfer a "few" at a time with recent last_id
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// assume 4MB network buffers, and 512 byte packets
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const FUND_CHUNK_LEN: usize = 4 * 1024 * 1024 / 512;
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to_fund.chunks(FUND_CHUNK_LEN).for_each(|chunk| {
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let mut tries = 0;
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// this set of transactions just initializes us for bookkeeping
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#[allow(clippy::clone_double_ref)] // sigh
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let mut to_fund_txs: Vec<_> = chunk
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.par_iter()
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.map(|(k, m)| {
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(
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k.clone(),
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2019-02-09 09:20:43 -08:00
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SystemTransaction::new_move_many(k, &m, Hash::default(), 0),
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2018-12-11 19:47:32 -08:00
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)
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})
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.collect();
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let amount = chunk[0].1[0].1;
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while !to_fund_txs.is_empty() {
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let receivers = to_fund_txs
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.iter()
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.fold(0, |len, (_, tx)| len + tx.instructions.len());
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println!(
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"{} {} to {} in {} txs",
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if tries == 0 {
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"transferring"
|
|
|
|
} else {
|
|
|
|
" retrying"
|
|
|
|
},
|
|
|
|
amount,
|
|
|
|
receivers,
|
|
|
|
to_fund_txs.len(),
|
|
|
|
);
|
|
|
|
|
|
|
|
let last_id = client.get_last_id();
|
|
|
|
|
|
|
|
// re-sign retained to_fund_txes with updated last_id
|
|
|
|
to_fund_txs.par_iter_mut().for_each(|(k, tx)| {
|
2019-01-29 16:16:59 -08:00
|
|
|
tx.sign(&[*k], last_id);
|
2018-12-11 19:47:32 -08:00
|
|
|
});
|
|
|
|
|
|
|
|
to_fund_txs.iter().for_each(|(_, tx)| {
|
|
|
|
client.transfer_signed(&tx).expect("transfer");
|
|
|
|
});
|
|
|
|
|
|
|
|
// retry anything that seems to have dropped through cracks
|
|
|
|
// again since these txs are all or nothing, they're fine to
|
|
|
|
// retry
|
|
|
|
to_fund_txs.retain(|(_, tx)| !verify_funding_transfer(client, &tx, amount));
|
|
|
|
|
|
|
|
tries += 1;
|
|
|
|
}
|
|
|
|
println!("transferred");
|
|
|
|
});
|
|
|
|
println!("funded: {} left: {}", new_funded.len(), notfunded.len());
|
|
|
|
funded = new_funded;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn airdrop_tokens(
|
|
|
|
client: &mut ThinClient,
|
|
|
|
drone_addr: &SocketAddr,
|
|
|
|
id: &Keypair,
|
|
|
|
tx_count: u64,
|
|
|
|
) {
|
|
|
|
let starting_balance = client.poll_get_balance(&id.pubkey()).unwrap_or(0);
|
|
|
|
metrics_submit_token_balance(starting_balance);
|
|
|
|
println!("starting balance {}", starting_balance);
|
|
|
|
|
|
|
|
if starting_balance < tx_count {
|
|
|
|
let airdrop_amount = tx_count - starting_balance;
|
|
|
|
println!(
|
|
|
|
"Airdropping {:?} tokens from {} for {}",
|
|
|
|
airdrop_amount,
|
|
|
|
drone_addr,
|
|
|
|
id.pubkey(),
|
|
|
|
);
|
|
|
|
|
|
|
|
let last_id = client.get_last_id();
|
|
|
|
match request_airdrop_transaction(&drone_addr, &id.pubkey(), airdrop_amount, last_id) {
|
|
|
|
Ok(transaction) => {
|
|
|
|
let signature = client.transfer_signed(&transaction).unwrap();
|
|
|
|
client.poll_for_signature(&signature).unwrap();
|
|
|
|
}
|
|
|
|
Err(err) => {
|
|
|
|
panic!(
|
|
|
|
"Error requesting airdrop: {:?} to addr: {:?} amount: {}",
|
|
|
|
err, drone_addr, airdrop_amount
|
|
|
|
);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
|
|
|
|
let current_balance = client.poll_get_balance(&id.pubkey()).unwrap_or_else(|e| {
|
|
|
|
println!("airdrop error {}", e);
|
|
|
|
starting_balance
|
|
|
|
});
|
|
|
|
println!("current balance {}...", current_balance);
|
|
|
|
|
|
|
|
metrics_submit_token_balance(current_balance);
|
|
|
|
if current_balance - starting_balance != airdrop_amount {
|
|
|
|
println!(
|
|
|
|
"Airdrop failed! {} {} {}",
|
|
|
|
id.pubkey(),
|
|
|
|
current_balance,
|
|
|
|
starting_balance
|
|
|
|
);
|
|
|
|
exit(1);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
pub fn compute_and_report_stats(
|
|
|
|
maxes: &Arc<RwLock<Vec<(SocketAddr, NodeStats)>>>,
|
|
|
|
sample_period: u64,
|
|
|
|
tx_send_elapsed: &Duration,
|
|
|
|
total_tx_send_count: usize,
|
|
|
|
) {
|
|
|
|
// Compute/report stats
|
|
|
|
let mut max_of_maxes = 0.0;
|
|
|
|
let mut max_tx_count = 0;
|
|
|
|
let mut nodes_with_zero_tps = 0;
|
|
|
|
let mut total_maxes = 0.0;
|
|
|
|
println!(" Node address | Max TPS | Total Transactions");
|
|
|
|
println!("---------------------+---------------+--------------------");
|
|
|
|
|
|
|
|
for (sock, stats) in maxes.read().unwrap().iter() {
|
|
|
|
let maybe_flag = match stats.tx {
|
|
|
|
0 => "!!!!!",
|
|
|
|
_ => "",
|
|
|
|
};
|
|
|
|
|
|
|
|
println!(
|
|
|
|
"{:20} | {:13.2} | {} {}",
|
|
|
|
(*sock).to_string(),
|
|
|
|
stats.tps,
|
|
|
|
stats.tx,
|
|
|
|
maybe_flag
|
|
|
|
);
|
|
|
|
|
|
|
|
if stats.tps == 0.0 {
|
|
|
|
nodes_with_zero_tps += 1;
|
|
|
|
}
|
|
|
|
total_maxes += stats.tps;
|
|
|
|
|
|
|
|
if stats.tps > max_of_maxes {
|
|
|
|
max_of_maxes = stats.tps;
|
|
|
|
}
|
|
|
|
if stats.tx > max_tx_count {
|
|
|
|
max_tx_count = stats.tx;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
if total_maxes > 0.0 {
|
|
|
|
let num_nodes_with_tps = maxes.read().unwrap().len() - nodes_with_zero_tps;
|
|
|
|
let average_max = total_maxes / num_nodes_with_tps as f64;
|
|
|
|
println!(
|
|
|
|
"\nAverage max TPS: {:.2}, {} nodes had 0 TPS",
|
|
|
|
average_max, nodes_with_zero_tps
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
println!(
|
|
|
|
"\nHighest TPS: {:.2} sampling period {}s max transactions: {} clients: {} drop rate: {:.2}",
|
|
|
|
max_of_maxes,
|
|
|
|
sample_period,
|
|
|
|
max_tx_count,
|
|
|
|
maxes.read().unwrap().len(),
|
|
|
|
(total_tx_send_count as u64 - max_tx_count) as f64 / total_tx_send_count as f64,
|
|
|
|
);
|
|
|
|
println!(
|
|
|
|
"\tAverage TPS: {}",
|
|
|
|
max_tx_count as f32 / duration_as_s(tx_send_elapsed)
|
|
|
|
);
|
|
|
|
}
|
|
|
|
|
|
|
|
// First transfer 3/4 of the tokens to the dest accounts
|
|
|
|
// then ping-pong 1/4 of the tokens back to the other account
|
|
|
|
// this leaves 1/4 token buffer in each account
|
|
|
|
pub fn should_switch_directions(num_tokens_per_account: u64, i: u64) -> bool {
|
|
|
|
i % (num_tokens_per_account / 4) == 0 && (i >= (3 * num_tokens_per_account) / 4)
|
|
|
|
}
|
|
|
|
|
|
|
|
#[cfg(test)]
|
|
|
|
mod tests {
|
|
|
|
use super::*;
|
|
|
|
#[test]
|
|
|
|
fn test_switch_directions() {
|
|
|
|
assert_eq!(should_switch_directions(20, 0), false);
|
|
|
|
assert_eq!(should_switch_directions(20, 1), false);
|
|
|
|
assert_eq!(should_switch_directions(20, 14), false);
|
|
|
|
assert_eq!(should_switch_directions(20, 15), true);
|
|
|
|
assert_eq!(should_switch_directions(20, 16), false);
|
|
|
|
assert_eq!(should_switch_directions(20, 19), false);
|
|
|
|
assert_eq!(should_switch_directions(20, 20), true);
|
|
|
|
assert_eq!(should_switch_directions(20, 21), false);
|
|
|
|
assert_eq!(should_switch_directions(20, 99), false);
|
|
|
|
assert_eq!(should_switch_directions(20, 100), true);
|
|
|
|
assert_eq!(should_switch_directions(20, 101), false);
|
|
|
|
}
|
|
|
|
}
|