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Automatic Instrumentation

tracing Integration

The Rust SDK offers an integration for the tracing ecosystem that will track spans automatically for every function that is annotated with #[tracing::instrument].

The integration takes care of starting a new transaction or a new child span of an already running transaction, and it automatically sets the created span as the current span.

Copied
fn main() {
    tracing_subscriber::Registry::default()
        .with(sentry::integrations::tracing::layer())
        .init();

    let _sentry = sentry::init(sentry::ClientOptions {
        release: sentry::release_name!(),
        traces_sample_rate: 1.0,
        ..Default::default()
    });

    main_span1();
}

#[tracing::instrument]
fn main_span1() {
    thread::sleep(Duration::from_millis(50));

    main_span2()
}

#[tracing::instrument]
fn main_span2() {
    thread::sleep(Duration::from_millis(200));
}

HTTP Instrumentation

The Sentry SDK offers an integration for the tower ecosystem which can automatically continue a trace from an incoming HTTP request.

Copied
use sentry_tower::{NewSentryLayer, SentryHttpLayer};
use tower::ServiceBuilder;

let layer = ServiceBuilder::new()
    // continue trace from incoming request
    .layer(SentryHttpLayer::with_transaction())
    // bind a new hub for each request
    .layer(NewSentryLayer::new_from_top());
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Package:
cargo:sentry
Version:
0.30.0
Repository:
https://github.com/getsentry/sentry-rust