use {
solana_sdk::clock::Slot,
std::{
ops::AddAssign,
time::{Duration, Instant},
},
};
#[derive(Default, Clone, Copy)]
pub struct ProcessShredsStats {
pub shredding_elapsed: u64,
pub receive_elapsed: u64,
pub serialize_elapsed: u64,
pub gen_data_elapsed: u64,
pub gen_coding_elapsed: u64,
pub sign_coding_elapsed: u64,
pub coding_send_elapsed: u64,
pub get_leader_schedule_elapsed: u64,
pub coalesce_elapsed: u64,
num_data_shreds_hist: [usize; 5],
pub num_extant_slots: u64,
pub(crate) data_buffer_residual: usize,
pub num_merkle_data_shreds: usize,
pub num_merkle_coding_shreds: usize,
}
#[derive(Default, Debug, Eq, PartialEq)]
pub struct ShredFetchStats {
pub index_overrun: usize,
pub shred_count: usize,
pub(crate) num_shreds_merkle_code: usize,
pub(crate) num_shreds_merkle_data: usize,
pub ping_count: usize,
pub ping_err_verify_count: usize,
pub(crate) index_bad_deserialize: usize,
pub(crate) index_out_of_bounds: usize,
pub(crate) slot_bad_deserialize: usize,
pub duplicate_shred: usize,
pub slot_out_of_range: usize,
pub(crate) bad_shred_type: usize,
pub shred_version_mismatch: usize,
pub(crate) bad_parent_offset: usize,
since: Option<Instant>,
}
impl ProcessShredsStats {
pub fn submit(
&mut self,
name: &'static str,
slot: Slot,
num_data_shreds: u32,
num_coding_shreds: u32,
slot_broadcast_time: Option<Duration>,
) {
let slot_broadcast_time = slot_broadcast_time
.map(|t| t.as_micros() as i64)
.unwrap_or(-1);
self.num_data_shreds_hist.iter_mut().fold(0, |acc, num| {
*num += acc;
*num
});
datapoint_info!(
name,
("slot", slot, i64),
("shredding_time", self.shredding_elapsed, i64),
("receive_time", self.receive_elapsed, i64),
("num_data_shreds", num_data_shreds, i64),
("num_coding_shreds", num_coding_shreds, i64),
("num_merkle_data_shreds", self.num_merkle_data_shreds, i64),
(
"num_merkle_coding_shreds",
self.num_merkle_coding_shreds,
i64
),
("slot_broadcast_time", slot_broadcast_time, i64),
(
"get_leader_schedule_time",
self.get_leader_schedule_elapsed,
i64
),
("serialize_shreds_time", self.serialize_elapsed, i64),
("gen_data_time", self.gen_data_elapsed, i64),
("gen_coding_time", self.gen_coding_elapsed, i64),
("sign_coding_time", self.sign_coding_elapsed, i64),
("coding_send_time", self.coding_send_elapsed, i64),
("num_extant_slots", self.num_extant_slots, i64),
("data_buffer_residual", self.data_buffer_residual, i64),
("num_data_shreds_07", self.num_data_shreds_hist[0], i64),
("num_data_shreds_15", self.num_data_shreds_hist[1], i64),
("num_data_shreds_31", self.num_data_shreds_hist[2], i64),
("num_data_shreds_63", self.num_data_shreds_hist[3], i64),
("num_data_shreds_64", self.num_data_shreds_hist[4], i64),
("coalesce_elapsed", self.coalesce_elapsed, i64),
);
*self = Self::default();
}
pub(crate) fn record_num_data_shreds(&mut self, num_data_shreds: usize) {
let index = usize::BITS - num_data_shreds.leading_zeros();
let index = index.saturating_sub(3) as usize;
let index = index.min(self.num_data_shreds_hist.len() - 1);
self.num_data_shreds_hist[index] += 1;
}
}
impl ShredFetchStats {
pub fn maybe_submit(&mut self, name: &'static str, cadence: Duration) {
let elapsed = self.since.as_ref().map(Instant::elapsed);
if elapsed.unwrap_or(Duration::MAX) < cadence {
return;
}
datapoint_info!(
name,
("index_overrun", self.index_overrun, i64),
("shred_count", self.shred_count, i64),
("num_shreds_merkle_code", self.num_shreds_merkle_code, i64),
("num_shreds_merkle_data", self.num_shreds_merkle_data, i64),
("ping_count", self.ping_count, i64),
("ping_err_verify_count", self.ping_err_verify_count, i64),
("slot_bad_deserialize", self.slot_bad_deserialize, i64),
("index_bad_deserialize", self.index_bad_deserialize, i64),
("index_out_of_bounds", self.index_out_of_bounds, i64),
("slot_out_of_range", self.slot_out_of_range, i64),
("duplicate_shred", self.duplicate_shred, i64),
("bad_shred_type", self.bad_shred_type, i64),
("shred_version_mismatch", self.shred_version_mismatch, i64),
("bad_parent_offset", self.bad_parent_offset, i64),
);
*self = Self {
since: Some(Instant::now()),
..Self::default()
};
}
}
impl AddAssign<ProcessShredsStats> for ProcessShredsStats {
fn add_assign(&mut self, rhs: Self) {
let Self {
shredding_elapsed,
receive_elapsed,
serialize_elapsed,
gen_data_elapsed,
gen_coding_elapsed,
sign_coding_elapsed,
coding_send_elapsed,
get_leader_schedule_elapsed,
coalesce_elapsed,
num_data_shreds_hist,
num_extant_slots,
data_buffer_residual,
num_merkle_data_shreds,
num_merkle_coding_shreds,
} = rhs;
self.shredding_elapsed += shredding_elapsed;
self.receive_elapsed += receive_elapsed;
self.serialize_elapsed += serialize_elapsed;
self.gen_data_elapsed += gen_data_elapsed;
self.gen_coding_elapsed += gen_coding_elapsed;
self.sign_coding_elapsed += sign_coding_elapsed;
self.coding_send_elapsed += coding_send_elapsed;
self.get_leader_schedule_elapsed += get_leader_schedule_elapsed;
self.coalesce_elapsed += coalesce_elapsed;
self.num_extant_slots += num_extant_slots;
self.data_buffer_residual += data_buffer_residual;
self.num_merkle_data_shreds += num_merkle_data_shreds;
self.num_merkle_coding_shreds += num_merkle_coding_shreds;
for (i, bucket) in self.num_data_shreds_hist.iter_mut().enumerate() {
*bucket += num_data_shreds_hist[i];
}
}
}