1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * Copyright (c) 2011 The Chromium OS Authors.
4 */
5
6#include <common.h>
7#include <command.h>
8
9static void report_time(ulong cycles)
10{
11	ulong minutes, seconds, milliseconds;
12	ulong total_seconds, remainder;
13
14	total_seconds = cycles / CONFIG_SYS_HZ;
15	remainder = cycles % CONFIG_SYS_HZ;
16	minutes = total_seconds / 60;
17	seconds = total_seconds % 60;
18	/* approximate millisecond value */
19	milliseconds = (remainder * 1000 + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ;
20
21	printf("\ntime:");
22	if (minutes)
23		printf(" %lu minutes,", minutes);
24	printf(" %lu.%03lu seconds\n", seconds, milliseconds);
25}
26
27static int do_time(struct cmd_tbl *cmdtp, int flag, int argc,
28		   char *const argv[])
29{
30	ulong cycles = 0;
31	int retval = 0;
32	int repeatable = 0;
33
34	if (argc == 1)
35		return CMD_RET_USAGE;
36
37	retval = cmd_process(0, argc - 1, argv + 1, &repeatable, &cycles);
38	report_time(cycles);
39
40	return retval;
41}
42
43U_BOOT_CMD(time, CONFIG_SYS_MAXARGS, 0, do_time,
44		"run commands and summarize execution time",
45		"command [args...]\n");
46