diff options
Diffstat (limited to 'vendor/go.opentelemetry.io/otel/sdk/trace/span.go')
-rw-r--r-- | vendor/go.opentelemetry.io/otel/sdk/trace/span.go | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/vendor/go.opentelemetry.io/otel/sdk/trace/span.go b/vendor/go.opentelemetry.io/otel/sdk/trace/span.go index 36dbf6776..85bc702a0 100644 --- a/vendor/go.opentelemetry.io/otel/sdk/trace/span.go +++ b/vendor/go.opentelemetry.io/otel/sdk/trace/span.go @@ -30,7 +30,7 @@ import ( "go.opentelemetry.io/otel/sdk/instrumentation" "go.opentelemetry.io/otel/sdk/internal" "go.opentelemetry.io/otel/sdk/resource" - semconv "go.opentelemetry.io/otel/semconv/v1.21.0" + semconv "go.opentelemetry.io/otel/semconv/v1.24.0" "go.opentelemetry.io/otel/trace" "go.opentelemetry.io/otel/trace/embedded" ) @@ -208,6 +208,16 @@ func (s *recordingSpan) SetStatus(code codes.Code, description string) { s.status = status } +// ensureAttributesCapacity inlines functionality from slices.Grow +// so that we can avoid needing to import golang.org/x/exp for go1.20. +// Once support for go1.20 is dropped, we can use slices.Grow available since go1.21 instead. +// Tracking issue: https://github.com/open-telemetry/opentelemetry-go/issues/4819. +func (s *recordingSpan) ensureAttributesCapacity(minCapacity int) { + if n := minCapacity - cap(s.attributes); n > 0 { + s.attributes = append(s.attributes[:cap(s.attributes)], make([]attribute.KeyValue, n)...)[:len(s.attributes)] + } +} + // SetAttributes sets attributes of this span. // // If a key from attributes already exists the value associated with that key @@ -242,6 +252,7 @@ func (s *recordingSpan) SetAttributes(attributes ...attribute.KeyValue) { // Otherwise, add without deduplication. When attributes are read they // will be deduplicated, optimizing the operation. + s.ensureAttributesCapacity(len(s.attributes) + len(attributes)) for _, a := range attributes { if !a.Valid() { // Drop all invalid attributes. @@ -277,6 +288,12 @@ func (s *recordingSpan) addOverCapAttrs(limit int, attrs []attribute.KeyValue) { // Now that s.attributes is deduplicated, adding unique attributes up to // the capacity of s will not over allocate s.attributes. + if sum := len(attrs) + len(s.attributes); sum < limit { + // After support for go1.20 is dropped, simplify if-else to min(sum, limit). + s.ensureAttributesCapacity(sum) + } else { + s.ensureAttributesCapacity(limit) + } for _, a := range attrs { if !a.Valid() { // Drop all invalid attributes. |