Development Tools::Profiling

Criterion.rs compatibility layer for CodSpeed

Semantic conventions for OpenTelemetry

A library for reading and writing the DWARF debugging format.

Exporter for the OpenTelemetry Collector

An OpenTelemetry exporter for stdout

OpenTelemetry API for Rust

OpenTelemetry integration for tracing

Protobuf generated files and transformations.

Jaeger propagator for OpenTelemetry

A temporary compatibility layer for CodSpeed to use Divan's walltime entrypoint.

Prometheus exporter for OpenTelemetry

Divan compatibility layer for CodSpeed

Macros for the Divan compatibility layer for CodSpeed

AWS exporters and propagators for OpenTelemetry

Datadog exporters and propagators for OpenTelemetry

Core instrumentation library for CodSpeed

This crate provides a very thin abstraction over other profiler crates.

Bencher compatibility layer for CodSpeed

Core primitives for application-level tracing.

A set of helpers to build OpenTelemetry instrumentation based on `tracing` crate.

Statistics-driven micro-benchmarking library

Rust contrib repo for OpenTelemetry

Zipkin exporter for OpenTelemetry

Convert jemalloc heap profiles to pprof to understand memory usage, fix memory leaks, and fix OOM Kills.

High-precision, one-shot and consistent benchmarking framework/harness for Rust. All Valgrind tools at your fingertips.

This crate provides a very thin abstraction over other profiler crates.

A set of helpers to initialize (and more) tracing + opentelemetry (compose your own or use opinionated preset)

Statistics-driven micro-benchmarking library

Statistically-comfy benchmarking library.

A simple cargo subcommand for generating flamegraphs, using inferno under the hood

Cargo extension to build & run your codspeed benchmarks

Rust port of the FlameGraph performance profiling tool suite

Cross-compilation made easier - helpers for build.rs scripts

A `tracing-subscriber::Layer` for collecting Tokio console telemetry.

High-performance Rust metrics library: sub-2ns counters, sub-1ns gauges, nanosecond timers, tumbling-window rate meters, async timing, adaptive sampling, and system health. Cross-platform with minimal dependencies.

OpenTelemetry integration and observability for TurboMCP SDK

Utilities for implementing and composing `tracing` subscribers.

Middlewares and tools to integrate axum + tracing + opentelemetry

Observability substrate for ZeroDDS (zerodds-monitor-1.1): metric registry (Counter/Gauge/Histogram) + Prometheus text exporter + W3C trace-context PID + standard span schema.

DataFusion tracing of execution plans

Complete JNI and JVMTI bindings for Rust with zero dependencies by default. Build JVM agents in pure Rust.

Application-level tracing for Rust.

Cross-compilation made easier - see main crate cargo-dinghy

Core components for Wind Tunnel

Statistics-driven micro-benchmarking library

TCP server/client for puffin profiler data

Lightweight benchmarking toolkit focused on practical performance analysis and report generation. Non-restrictive alternative to criterion, designed for easy integration and markdown report generation.

Jaeger exporter for OpenTelemetry

Derive macros for the wind_tunnel_instruments crate

TraceLogging for Rust