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pezkuwi-subxt/substrate/primitives/tracing
Oliver Tale-Yazdi 8b9455465b Format and Sort features in Cargo.toml files (#14803)
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This reverts commit b2b1099f979f6decb22d09b46689c1554bb72e81.

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Signed-off-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
2023-08-23 14:21:52 +00:00
..

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