2 * (C) Copyright 2015 Google, Inc
4 * SPDX-License-Identifier: GPL-2.0+
12 static int do_dhry(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
14 ulong start, duration, vax_mips;
16 int iterations = 1000000;
19 iterations = simple_strtoul(argv[1], NULL, 10);
23 duration = get_timer(start);
24 dhry_per_sec = lldiv(iterations * 1000ULL, duration);
25 vax_mips = lldiv(dhry_per_sec, 1757);
26 printf("%d iterations in %lu ms: %lu/s, %lu DMIPS\n", iterations,
27 duration, (ulong)dhry_per_sec, vax_mips);
34 "[iterations] - run dhrystone benchmark",
35 "\n - run the Dhrystone 2.1 benchmark, a rough measure of CPU speed\n"