Function maybeDecrementObserverCounts

lib/internal/perf/observe.js:140–154

(entryTypes)

}

function maybeDecrementObserverCounts(entryTypes) {
  for (const type of entryTypes) {
    const observerType = getObserverType(type);

    if (observerType !== undefined) {
      observerCounts[observerType]--;

      if (observerType === NODE_PERFORMANCE_ENTRY_TYPE_GC &&
          observerCounts[observerType] === 0) {
        removeGarbageCollectionTracking();
        gcTrackingInstalled = false;
      }
    }
  }
}

function maybeIncrementObserverCount(type) {
  const observerType = getObserverType(type);