From 341010a3b33a0462e05320a68f122cce7ccf6695 Mon Sep 17 00:00:00 2001 From: John Soo Date: Wed, 17 Jun 2020 17:57:50 -0700 Subject: [PATCH 41/57] gnu: Add rust-tracing-0.1. * gnu/packages/crates-io.scm (rust-tracing-0.1): New variable. --- gnu/packages/crates-io.scm | 48 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/gnu/packages/crates-io.scm b/gnu/packages/crates-io.scm index 15e304eb6b..0236e4d7e3 100644 --- a/gnu/packages/crates-io.scm +++ b/gnu/packages/crates-io.scm @@ -27343,6 +27343,54 @@ Serialize/Deserialize traits for TOML data to facilitate deserializing and serializing Rust str") (license (list license:expat license:asl2.0)))) +(define-public rust-tracing-0.1 + (package + (name "rust-tracing") + (version "0.1.8") + (source + (origin + (method url-fetch) + (uri (crate-uri "tracing" version)) + (file-name + (string-append name "-" version ".tar.gz")) + (sha256 + (base32 + "0r1yn5b1nssvi5kqj19rq4x8l6kh8s9s2hpd9vi7l6sda1d3a7vh")))) + (build-system cargo-build-system) + (arguments + `(#:cargo-inputs + (("rust-cfg-if" ,rust-cfg-if-0.1) + ("rust-log" ,rust-log-0.4) + ("rust-spin" ,rust-spin-0.5) + ("rust-tracing-attributes" + ,rust-tracing-attributes-0.1) + ("rust-tracing-core" ,rust-tracing-core-0.1)) + #:cargo-development-inputs + (("rust-criterion" ,rust-criterion-0.2) + ("rust-futures" ,rust-futures-0.1) + ("rust-log" ,rust-log-0.4)))) + (home-page "https://tokio.rs") + (synopsis + "Application-level tracing for Rust") + (description + "Tracing is a framework for instrumenting Rust programs to collect +structured, event-based diagnostic information. + +In asynchronous systems like Tokio, interpreting traditional log messages can +often be quite challenging. Since individual tasks are multiplexed on the same +thread, associated events and log lines are intermixed making it difficult to +trace the logic flow. Tracing expands upon logging-style diagnostics by +allowing libraries and applications to record structured events with +additional information about temporality and causality — unlike a log message, +a span in tracing has a beginning and end time, may be entered and exited by +the flow of execution, and may exist within a nested tree of similar spans. In +addition, tracing spans are structured, with the ability to record typed data +as well as textual messages. + +The tracing crate provides the APIs necessary for instrumenting libraries and +applications to emit trace data.") + (license license:expat))) + (define-public rust-tracing-attributes-0.1 (package (name "rust-tracing-attributes") -- 2.28.0