Function evictStaleSpans

src/utils/telemetry/perfettoTracing.ts:187–209

* Evict pending spans older than STALE_SPAN_TTL_MS. * Mirrors the TTL cleanup pattern in sessionTracing.ts.

()

 * Mirrors the TTL cleanup pattern in sessionTracing.ts.
 */
function evictStaleSpans(): void {
  const now = getTimestamp()
  const ttlUs = STALE_SPAN_TTL_MS * 1000 // Convert ms to microseconds
  for (const [spanId, span] of pendingSpans) {
    if (now - span.startTime > ttlUs) {
      // Emit an end event so the span shows up in the trace as incomplete
      events.push({
        name: span.name,
        cat: span.category,
        ph: 'E',
        ts: now,
        pid: span.agentInfo.processId,
        tid: span.agentInfo.threadId,
        args: {
          ...span.args,
          evicted: true,
          duration_ms: (now - span.startTime) / 1000,
        },
      })
      pendingSpans.delete(spanId)
    }
  }
}

/**
 * Build the full trace document (Chrome Trace JSON format).