164 lines
6.2 KiB
Rust
164 lines
6.2 KiB
Rust
use {
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crossbeam_channel::{Receiver, RecvTimeoutError, Sender},
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solana_measure::measure::Measure,
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solana_perf::packet::PacketBatch,
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solana_sdk::timing::timestamp,
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solana_streamer::streamer::{self, StakedNodes, StreamerError},
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std::{
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collections::HashMap,
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net::IpAddr,
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sync::{Arc, RwLock},
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thread::{self, Builder, JoinHandle},
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},
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};
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// Try to target 50ms, rough timings from a testnet validator
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//
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// 50ms/(200ns/packet) = 250k packets
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const MAX_FINDPACKETSENDERSTAKE_BATCH: usize = 250_000;
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pub type FindPacketSenderStakeSender = Sender<Vec<PacketBatch>>;
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pub type FindPacketSenderStakeReceiver = Receiver<Vec<PacketBatch>>;
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#[derive(Debug, Default)]
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struct FindPacketSenderStakeStats {
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last_print: u64,
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refresh_ip_to_stake_time: u64,
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apply_sender_stakes_time: u64,
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send_batches_time: u64,
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receive_batches_time: u64,
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total_batches: u64,
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total_packets: u64,
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total_discard_random: usize,
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total_discard_random_time_us: usize,
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}
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impl FindPacketSenderStakeStats {
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fn report(&mut self, name: &'static str) {
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let now = timestamp();
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let elapsed_ms = now - self.last_print;
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if elapsed_ms > 2000 {
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datapoint_info!(
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name,
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(
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"refresh_ip_to_stake_time_us",
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self.refresh_ip_to_stake_time as i64,
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i64
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),
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(
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"apply_sender_stakes_time_us",
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self.apply_sender_stakes_time as i64,
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i64
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),
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("send_batches_time_us", self.send_batches_time as i64, i64),
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(
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"receive_batches_time_ns",
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self.receive_batches_time as i64,
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i64
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),
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("total_batches", self.total_batches as i64, i64),
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("total_packets", self.total_packets as i64, i64),
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("total_discard_random", self.total_discard_random, i64),
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(
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"total_discard_random_time_us",
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self.total_discard_random_time_us,
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i64
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),
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);
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*self = FindPacketSenderStakeStats::default();
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self.last_print = now;
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}
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}
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}
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pub struct FindPacketSenderStakeStage {
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thread_hdl: JoinHandle<()>,
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}
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impl FindPacketSenderStakeStage {
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pub fn new(
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packet_receiver: streamer::PacketBatchReceiver,
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sender: FindPacketSenderStakeSender,
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staked_nodes: Arc<RwLock<StakedNodes>>,
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name: &'static str,
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) -> Self {
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let mut stats = FindPacketSenderStakeStats::default();
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let thread_hdl = Builder::new()
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.name("solPktStake".to_string())
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.spawn(move || loop {
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match streamer::recv_packet_batches(&packet_receiver) {
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Ok((mut batches, num_packets, recv_duration)) => {
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let num_batches = batches.len();
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let mut discard_random_time =
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Measure::start("findpacketsenderstake_discard_random_time");
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let non_discarded_packets = solana_perf::discard::discard_batches_randomly(
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&mut batches,
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MAX_FINDPACKETSENDERSTAKE_BATCH,
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num_packets,
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);
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let num_discarded_randomly =
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num_packets.saturating_sub(non_discarded_packets);
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discard_random_time.stop();
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let mut apply_sender_stakes_time =
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Measure::start("apply_sender_stakes_time");
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let mut apply_stake = || {
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let ip_to_stake = staked_nodes.read().unwrap();
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Self::apply_sender_stakes(&mut batches, &ip_to_stake.ip_stake_map);
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};
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apply_stake();
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apply_sender_stakes_time.stop();
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let mut send_batches_time = Measure::start("send_batches_time");
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if let Err(e) = sender.send(batches) {
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info!("Sender error: {:?}", e);
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}
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send_batches_time.stop();
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stats.apply_sender_stakes_time = stats
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.apply_sender_stakes_time
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.saturating_add(apply_sender_stakes_time.as_us());
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stats.send_batches_time = stats
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.send_batches_time
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.saturating_add(send_batches_time.as_us());
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stats.receive_batches_time = stats
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.receive_batches_time
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.saturating_add(recv_duration.as_nanos() as u64);
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stats.total_batches =
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stats.total_batches.saturating_add(num_batches as u64);
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stats.total_packets =
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stats.total_packets.saturating_add(num_packets as u64);
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stats.total_discard_random_time_us += discard_random_time.as_us() as usize;
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stats.total_discard_random += num_discarded_randomly;
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}
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Err(e) => match e {
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StreamerError::RecvTimeout(RecvTimeoutError::Disconnected) => break,
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StreamerError::RecvTimeout(RecvTimeoutError::Timeout) => (),
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_ => error!("error: {:?}", e),
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},
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}
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stats.report(name);
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})
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.unwrap();
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Self { thread_hdl }
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}
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fn apply_sender_stakes(batches: &mut [PacketBatch], ip_to_stake: &HashMap<IpAddr, u64>) {
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batches
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.iter_mut()
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.flat_map(|batch| batch.iter_mut())
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.for_each(|packet| {
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packet.meta_mut().sender_stake = ip_to_stake
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.get(&packet.meta().addr)
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.copied()
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.unwrap_or_default();
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});
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}
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pub fn join(self) -> thread::Result<()> {
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self.thread_hdl.join()
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}
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}
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