Method log

fdbserver/workloads/AsyncFileRead.actor.cpp:52–59

		}

		void log(double time) {
			count++;
			auto l = logLatency ? time : (time - lastTime); // see logLatency comment above
			sum += l;
			sumSq += l * l;
			max = std::max<double>(max, l);
			lastTime = time;
		}

		void dumpMetrics(std::string name) {
			double elapsed = now() - startTime;