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time to establish connection (#3134)

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Implementing #2745 , adding  a metric to break down time from connection pending to connection established, per protocol stack.

````
$curl -s http://127.0.0.1:42183/metrics | grep nt_duration
# HELP libp2p_swarm_connection_establishment_duration Time it took (locally) to finish establishing connections.
# TYPE libp2p_swarm_connection_establishment_duration histogram
libp2p_swarm_connection_establishment_duration_sum{role="Listener",protocols="/ip4/tcp"} 0.007
libp2p_swarm_connection_establishment_duration_count{role="Listener",protocols="/ip4/tcp"} 1
libp2p_swarm_connection_establishment_duration_bucket{role="Listener",protocols="/ip4/tcp",le="0.001"} 0
libp2p_swarm_connection_establishment_duration_bucket{role="Listener",protocols="/ip4/tcp",le="0.002"} 0
libp2p_swarm_connection_establishment_duration_bucket{role="Listener",protocols="/ip4/tcp",le="0.004"} 0
libp2p_swarm_connection_establishment_duration_bucket{role="Listener",protocols="/ip4/tcp",le="0.008"} 1
libp2p_swarm_connection_establishment_duration_bucket{role="Listener",protocols="/ip4/tcp",le="0.016"} 1
libp2p_swarm_connection_establishment_duration_bucket{role="Listener",protocols="/ip4/tcp",le="0.032"} 1
libp2p_swarm_connection_establishment_duration_bucket{role="Listener",protocols="/ip4/tcp",le="0.064"} 1
libp2p_swarm_connection_establishment_duration_bucket{role="Listener",protocols="/ip4/tcp",le="0.128"} 1
libp2p_swarm_connection_establishment_duration_bucket{role="Listener",protocols="/ip4/tcp",le="0.256"} 1
libp2p_swarm_connection_establishment_duration_bucket{role="Listener",protocols="/ip4/tcp",le="0.512"} 1
libp2p_swarm_connection_establishment_duration_bucket{role="Listener",protocols="/ip4/tcp",le="+Inf"} 1

lbl@chomp:~lbl
$curl -s http://127.0.0.1:34283/metrics | grep nt_duration
# HELP libp2p_swarm_connection_establishment_duration Time it took (locally) to finish establishing connections.
# TYPE libp2p_swarm_connection_establishment_duration histogram
libp2p_swarm_connection_establishment_duration_sum{role="Dialer",protocols="/ip4/tcp"} 0.009
libp2p_swarm_connection_establishment_duration_count{role="Dialer",protocols="/ip4/tcp"} 1
libp2p_swarm_connection_establishment_duration_bucket{role="Dialer",protocols="/ip4/tcp",le="0.001"} 0
libp2p_swarm_connection_establishment_duration_bucket{role="Dialer",protocols="/ip4/tcp",le="0.002"} 0
libp2p_swarm_connection_establishment_duration_bucket{role="Dialer",protocols="/ip4/tcp",le="0.004"} 0
libp2p_swarm_connection_establishment_duration_bucket{role="Dialer",protocols="/ip4/tcp",le="0.008"} 0
libp2p_swarm_connection_establishment_duration_bucket{role="Dialer",protocols="/ip4/tcp",le="0.016"} 1
libp2p_swarm_connection_establishment_duration_bucket{role="Dialer",protocols="/ip4/tcp",le="0.032"} 1
libp2p_swarm_connection_establishment_duration_bucket{role="Dialer",protocols="/ip4/tcp",le="0.064"} 1
libp2p_swarm_connection_establishment_duration_bucket{role="Dialer",protocols="/ip4/tcp",le="0.128"} 1
libp2p_swarm_connection_establishment_duration_bucket{role="Dialer",protocols="/ip4/tcp",le="0.256"} 1
libp2p_swarm_connection_establishment_duration_bucket{role="Dialer",protocols="/ip4/tcp",le="0.512"} 1
libp2p_swarm_connection_establishment_duration_bucket{role="Dialer",protocols="/ip4/tcp",le="+Inf"} 1
````
This commit is contained in:
John Turpish
2022-12-12 09:40:36 -05:00
committed by GitHub
parent 63ffc7fb0f
commit f8f19baad0
6 changed files with 58 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

44
misc/metrics/src/swarm.rs
View File

@ -20,8 +20,11 @@
use crate::protocol_stack;
use prometheus_client::encoding::text::Encode;
use prometheus_client::metrics::counter::Counter;
use prometheus_client::metrics::family::Family;
use prometheus_client::metrics::{
counter::Counter,
family::Family,
histogram::{exponential_buckets, Histogram},
};
use prometheus_client::registry::Registry;
pub struct Metrics {
@ -29,6 +32,7 @@ pub struct Metrics {
connections_incoming_error: Family<IncomingConnectionErrorLabels, Counter>,
connections_established: Family<ConnectionEstablishedLabels, Counter>,
connections_establishment_duration: Family<ConnectionEstablishmentDurationLabels, Histogram>,
connections_closed: Family<ConnectionClosedLabels, Counter>,
new_listen_addr: Family<AddressLabels, Counter>,
@ -123,6 +127,15 @@ impl Metrics {
Box::new(connections_closed.clone()),
);
let connections_establishment_duration = Family::new_with_constructor(
create_connection_establishment_duration_histogram as fn() -> Histogram,
);
sub_registry.register(
"connections_establishment_duration",
"Time it took (locally) to establish connections",
Box::new(connections_establishment_duration.clone()),
);
Self {
connections_incoming,
connections_incoming_error,
@ -135,6 +148,7 @@ impl Metrics {
dial_attempt,
outgoing_connection_error,
connected_to_banned_peer,
connections_establishment_duration,
}
}
}
@ -143,13 +157,19 @@ impl<TBvEv, THandleErr> super::Recorder<libp2p_swarm::SwarmEvent<TBvEv, THandleE
fn record(&self, event: &libp2p_swarm::SwarmEvent<TBvEv, THandleErr>) {
match event {
libp2p_swarm::SwarmEvent::Behaviour(_) => {}
libp2p_swarm::SwarmEvent::ConnectionEstablished { endpoint, .. } => {
self.connections_established
.get_or_create(&ConnectionEstablishedLabels {
role: endpoint.into(),
protocols: protocol_stack::as_string(endpoint.get_remote_address()),
})
.inc();
libp2p_swarm::SwarmEvent::ConnectionEstablished {
endpoint,
established_in: time_taken,
..
} => {
let labels = ConnectionEstablishedLabels {
role: endpoint.into(),
protocols: protocol_stack::as_string(endpoint.get_remote_address()),
};
self.connections_established.get_or_create(&labels).inc();
self.connections_establishment_duration
.get_or_create(&labels)
.observe(time_taken.as_secs_f64());
}
libp2p_swarm::SwarmEvent::ConnectionClosed { endpoint, .. } => {
self.connections_closed
@ -279,6 +299,8 @@ struct ConnectionEstablishedLabels {
protocols: String,
}
type ConnectionEstablishmentDurationLabels = ConnectionEstablishedLabels;
#[derive(Encode, Hash, Clone, Eq, PartialEq)]
struct ConnectionClosedLabels {
role: Role,
@ -372,3 +394,7 @@ impl<TTransErr> From<&libp2p_swarm::PendingInboundConnectionError<TTransErr>>
}
}
}
fn create_connection_establishment_duration_histogram() -> Histogram {
Histogram::new(exponential_buckets(1e-3, 2., 10))
}