{"id":58269,"library":"sp-tracing","title":"sp-tracing","description":"Instrumentation primitives and macros for tracing in Substrate-based blockchains.","status":"active","version":"19.0.0","language":"rust","source_language":null,"source_url":"https://github.com/paritytech/polkadot-sdk","tags":["tracing","instrumentation","substrate","blockchain"],"install":[{"cmd":"# Cargo.toml\n[dependencies]\nsp-tracing = \"19.0.0\"","lang":"toml","label":"Cargo.toml"},{"cmd":"cargo add sp-tracing","lang":"bash","label":"cargo add"}],"dependencies":[],"imports":[{"symbol":"enter_span","correct":"use sp_tracing::enter_span;"}],"quickstart":{"code":"use sp_tracing::enter_span;\n\nfn main() {\n    let span = enter_span!(\"my_span\");\n    // ... do work ...\n    drop(span);\n}","lang":"rust","description":"Create and enter a tracing span for performance instrumentation."},"warnings":[{"fix":"Enable the 'std' feature in your Cargo.toml or use conditional compilation for no-std targets.","message":"Requires the 'std' feature for full functionality; may not work in no-std environments without additional setup.","severity":"gotcha","affected_versions":">=19.0.0"}],"env_vars":null,"search_vec":"'base':13 'blockchain':14,18 'instrument':4,16 'macro':7 'primit':5 'sp':2 'sp-trace':1 'substrat':12,17 'substrate-bas':11 'trace':3,9,15","created_at":"2026-06-16T16:17:22.829194+00:00","updated_at":"2026-06-16T16:17:22.829194+00:00","problems":[],"ecosystem":"crates","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":"https://paritytech.github.io/polkadot-sdk/","github":"https://github.com/paritytech/polkadot-sdk","docs":"https://docs.rs/sp-tracing/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["observability","utility"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-16","next_check":"2026-12-13","install_tag":null}}