Revert "remove exclusiveTime as a field from spans"

This reverts commit 2b495f1.

Author: edwardgou-sentry

packages/core/src/tracing/span.ts

@@ -120,6 +120,7 @@ export class Span implements SpanInterface {
   protected _endTime?: number | undefined;
   /** Internal keeper of the status */
   protected _status?: SpanStatusType | string | undefined;
+  protected _exclusiveTime?: number;
 
   private _logMessage?: string;
 
@@ -164,6 +165,9 @@ export class Span implements SpanInterface {
     if (spanContext.endTimestamp) {
       this._endTime = spanContext.endTimestamp;
     }
+    if (spanContext.exclusiveTime) {
+      this._exclusiveTime = spanContext.exclusiveTime;
+    }
   }
 
   // This rule conflicts with another eslint rule :(
@@ -631,6 +635,7 @@ export class Span implements SpanInterface {
       trace_id: this._traceId,
       origin: this._attributes[SEMANTIC_ATTRIBUTE_SENTRY_ORIGIN] as SpanOrigin | undefined,
       _metrics_summary: getMetricSummaryJsonForSpan(this),
+      exclusive_time: this._exclusiveTime,
       measurements: this._attributes[SEMANTIC_ATTRIBUTE_MEASUREMENTS] as Measurements | undefined,
     });
   }

packages/types/src/span.ts

@@ -181,6 +181,11 @@ export interface SpanContext {
    * The origin of the span, giving context about what created the span.
    */
   origin?: SpanOrigin | undefined;
+
+  /**
+   * Exclusive time in milliseconds.
+   */
+  exclusiveTime?: number;
 }
 
 /** Span holding trace_id, span_id */