in grpc-gcp/src/main/java/com/google/cloud/grpc/GcpManagedChannel.java [905:915]
private void saveReadinessTime(long readinessNanos) {
long readinessTimeUs = readinessNanos / 1000;
if (minReadinessTime == 0 || readinessTimeUs < minReadinessTime) {
minReadinessTime = readinessTimeUs;
}
if (readinessTimeUs > maxReadinessTime) {
maxReadinessTime = readinessTimeUs;
}
totalReadinessTime.addAndGet(readinessTimeUs);
readinessTimeOccurrences.incrementAndGet();
}