var testing.benchTime

4 uses

	testing (current package)
		benchmark.go#L28: 	flag.Var(&benchTime, "test.benchtime", "run each benchmark for duration `d`")
		benchmark.go#L35: 	benchTime = benchTimeFlag{d: 1 * time.Second} // changed during test of testing package
		benchmark.go#L544: 		benchTime: benchTime,
		benchmark.go#L812: 		benchTime: benchTime,