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Changelog

Unreleased

  • Add Config::cancelable(), which defaults to false.
  • Deprecate Config::max_spans_per_trace() and Config::report_before_root_finish().

v0.7.9

  • Upgrade MSRV to 1.80.
  • Improved performance.

v0.7.8

  • Add TraceId::random() and SpanId::random().
  • Add FromStr, Display, and serde support for TraceId, SpanId.
  • Add Span::add_property() and Span::add_properties().
  • Add Span::add_event() and LocalSpan::add_event().
  • Deprecate Event::add_to_parent() and Event::add_to_local_parent().

v0.7.6

  • Reduce dependencies to futures 0.3.

v0.7.5

  • Optimize collect behavior when the span is not sampled.

v0.7.4

  • Upgrade opentelemtry to 0.26.0.

v0.7.3

  • Upgrade opentelemtry to 0.25.0.

v0.7.2

  • Allow to LocalSpan::add_property() when the local parent is a Span.

v0.7.1

  • Lower MSRV to 1.75.

v0.7.0

  • Upgrade dependencies including opentelemtry and more.
  • Remove deprecated methods Config::batch_report_interval and Config::batch_report_max_spans.
  • Deprecate full_name!() and rename it to full_path!().
  • Deprecate SpanContext::encode_w3c_traceparent_with_sampled().
  • Pass Vec<SpanRecord> to Reporter::report() instead of &[SpanRecord].
  • Added SpanContext.sampled, which will be propagated through the child spans.

v0.6.8

  • Project rename to fastrace.

v0.6.7

  • Add Config::report_interval: The background collector working interval.
  • Deprecate Config::batch_report_interval and Config::batch_report_max_spans.
  • Fix a performance issue in object-pool which was causing lock racing.

v0.6.6

  • Update to opentelemetry, opentelemetry_sdk, and opentelemetry-otlp.

v0.6.5

  • Update to opentelemetry 0.22, opentelemetry_sdk 0.22.1, and opentelemetry-otlp: 0.15.

v0.6.4

  • Add LocalSpan::add_property and LocalSpan::add_properties.
  • Add Config::report_before_root_finish.
  • Add new crate fastrace-futures.

v0.6.3

  • Add LocalSpans::to_span_records().
  • Add #[trace(properties = { "k1": "v1", "k2": "v2" })].
  • Add func_name!(), full_name!(), and file_location!() to fastrace::prelude.

v0.6.2

  • Improve documentation.

v0.6.1

  • Macro will use the full path of the function as span name instead of the only function name. You can turn it off by setting #[trace(short_name = true)].
  • Add utility macros func_name!(), full_name!(), and file_location!() to generate names for use in span.
  • Add Span::elapsed() that returns the elapsed time since the span is created.

v0.6.0

  • Span name and event name now accept both &'static str and String (Into<Cow<'static, str>>), which previously only accept &'static str.
  • with_property and with_properties now accept impl Into<Cow<'static, str>>, which previously accept Cow<'static, str>.

v0.5.1

  • Fix panics due to destruction of Thread Local Storage value

v0.5.0

  • Add Event type to represent single points in time during the span's lifetime.
  • Add fastrace-opentelementry reporter that reports spans to OpenTelemetry collector.
  • Removed Collector and raplaced it with Reporter.
  • The macro arguments must be named if any, e.g. #[trace(name="name")].
  • Allow to statically opt-out of tracing by not setting enable feature.

v0.4.0

  • Remove LocalSpanGuard and merge it into LocalSpan.
  • Remove LocalSpan::with_property, LocalSpan::with_properties, Span::with_property and Span::with_properties.
  • Add LocalSpan::add_property, LocalSpan::add_properties, Span::add_property and Span::add_properties.
  • Remove LocalParentGuard. Span::set_local_parent returns a general Option<Guard<impl FnOnce()>> instead.

v0.3.1

  • Add an async variant of jaeger reporting function fastrace::report().
  • LocalSpan::with_property now no longer takes self but &mut self instead.

v0.3.0

  • Collector::collect() becomes an async function because the span collection work is moved to a background thread to extremely reduce the performance overhead on the code being tracing.
  • Attribute macro #[trace] on async function becomes able to automatically extract the local parent in the caller's context. Previously, the caller must manually call in_span().

v0.2.0

  • All API get redesigned for better egnormic experience.
  • Attribute macro #[trace] automatically detects async fn and crate async-trait, and since that, #[trace_async] is removed.