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metrics separation (#5391)

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* split metrics from collation generation

* move metrics to separate file out of backing

* split bitfield signing metrics

* split candidate validation metrics

* split chain api metrics

* split metrics from runtime API

* util is not used in backed metrics mod

* fmt

* missing types

* sure
This commit is contained in:
Bernhard Schuster
2022-04-25 19:17:29 +02:00
committed by GitHub
parent c01a9ea524
commit 033950ca36
12 changed files with 616 additions and 501 deletions
Download Patch File Download Diff File Expand all files Collapse all files
polkadot/node/collation-generation/src/lib.rs
+3 -86
View File
@@ -27,7 +27,6 @@ use polkadot_node_subsystem::{
SubsystemError, SubsystemResult, SubsystemSender,
};
use polkadot_node_subsystem_util::{
metrics::{self, prometheus},
request_availability_cores, request_persisted_validation_data, request_validation_code,
request_validation_code_hash, request_validators,
};
@@ -44,6 +43,9 @@ mod error;
#[cfg(test)]
mod tests;
mod metrics;
use self::metrics::Metrics;
const LOG_TARGET: &'static str = "parachain::collation-generation";
/// Collation Generation Subsystem
@@ -451,88 +453,3 @@ fn erasure_root(
let chunks = polkadot_erasure_coding::obtain_chunks_v1(n_validators, &available_data)?;
Ok(polkadot_erasure_coding::branches(&chunks).root())
}
#[derive(Clone)]
struct MetricsInner {
collations_generated_total: prometheus::Counter<prometheus::U64>,
new_activations_overall: prometheus::Histogram,
new_activations_per_relay_parent: prometheus::Histogram,
new_activations_per_availability_core: prometheus::Histogram,
}
/// `CollationGenerationSubsystem` metrics.
#[derive(Default, Clone)]
pub struct Metrics(Option<MetricsInner>);
impl Metrics {
fn on_collation_generated(&self) {
if let Some(metrics) = &self.0 {
metrics.collations_generated_total.inc();
}
}
/// Provide a timer for new activations which updates on drop.
fn time_new_activations(&self) -> Option<metrics::prometheus::prometheus::HistogramTimer> {
self.0.as_ref().map(|metrics| metrics.new_activations_overall.start_timer())
}
/// Provide a timer per relay parents which updates on drop.
fn time_new_activations_relay_parent(
&self,
) -> Option<metrics::prometheus::prometheus::HistogramTimer> {
self.0
.as_ref()
.map(|metrics| metrics.new_activations_per_relay_parent.start_timer())
}
/// Provide a timer per availability core which updates on drop.
fn time_new_activations_availability_core(
&self,
) -> Option<metrics::prometheus::prometheus::HistogramTimer> {
self.0
.as_ref()
.map(|metrics| metrics.new_activations_per_availability_core.start_timer())
}
}
impl metrics::Metrics for Metrics {
fn try_register(registry: &prometheus::Registry) -> Result<Self, prometheus::PrometheusError> {
let metrics = MetricsInner {
collations_generated_total: prometheus::register(
prometheus::Counter::new(
"polkadot_parachain_collations_generated_total",
"Number of collations generated."
)?,
registry,
)?,
new_activations_overall: prometheus::register(
prometheus::Histogram::with_opts(
prometheus::HistogramOpts::new(
"polkadot_parachain_collation_generation_new_activations",
"Time spent within fn handle_new_activations",
)
)?,
registry,
)?,
new_activations_per_relay_parent: prometheus::register(
prometheus::Histogram::with_opts(
prometheus::HistogramOpts::new(
"polkadot_parachain_collation_generation_per_relay_parent",
"Time spent handling a particular relay parent within fn handle_new_activations"
)
)?,
registry,
)?,
new_activations_per_availability_core: prometheus::register(
prometheus::Histogram::with_opts(
prometheus::HistogramOpts::new(
"polkadot_parachain_collation_generation_per_availability_core",
"Time spent handling a particular availability core for a relay parent in fn handle_new_activations",
)
)?,
registry,
)?,
};
Ok(Metrics(Some(metrics)))
}
}