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* all reverences of substrate.dev replaced with *correct* docs.substrate.io links * fix links in non-cargo files, errors in replace * homepage https://substrate.io * cargo +nightly fmt * FMT Co-authored-by: Bastian Köcher <info@kchr.de>
Substrate tracing primitives and macros.
To trace functions or individual code in Substrate, this crate provides [within_span]
and [enter_span]. See the individual docs for how to use these macros.
Note that to allow traces from wasm execution environment there are
2 reserved identifiers for tracing Field recording, stored in the consts:
WASM_TARGET_KEY and WASM_NAME_KEY - if you choose to record fields, you
must ensure that your identifiers do not clash with either of these.
Additionally, we have a const: WASM_TRACE_IDENTIFIER, which holds a span name used
to signal that the 'actual' span name and target should be retrieved instead from
the associated Fields mentioned above.
License: Apache-2.0