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Add basic pyroscope agent #2367

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Add basic pyroscope agent #2367

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2 changes: 2 additions & 0 deletions Cargo.lock
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2 changes: 2 additions & 0 deletions polkadot/node/subsystem-bench/Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,8 @@ prometheus_endpoint = { package = "substrate-prometheus-endpoint", path = "../..
prometheus = { version = "0.13.0", default-features = false }
toml = "0.8.8"
serde = "1.0.192"
pyroscope = "0.5.7"
pyroscope_pprofrs = "0.2.7"

[features]
default = []
12 changes: 12 additions & 0 deletions polkadot/node/subsystem-bench/src/subsystem-bench.rs
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Expand Up @@ -143,6 +143,15 @@ fn new_runtime() -> tokio::runtime::Runtime {
impl BenchCli {
fn launch(self) -> eyre::Result<()> {
use prometheus::Registry;
use pyroscope::PyroscopeAgent;
use pyroscope_pprofrs::{pprof_backend, PprofConfig};

// Pyroscope must be running on port 4040
// See https://grafana.com/docs/pyroscope/latest/get-started/#download-and-configure-pyroscope
let agent = PyroscopeAgent::builder("http://localhost:4040", "subsystem-bench")
.backend(pprof_backend(PprofConfig::new().sample_rate(100)))
.build()?;
let agent_running = agent.start()?;

let runtime = new_runtime();

Expand Down Expand Up @@ -253,6 +262,9 @@ impl BenchCli {

runtime.block_on(availability::bench_chunk_recovery(&mut env));

let agent_ready = agent_running.stop()?;
agent_ready.shutdown();

Ok(())
}
}
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