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
report_time(ulong cycles)9 static 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
do_time(struct cmd_tbl * cmdtp,int flag,int argc,char * const argv[])27 static 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
43 U_BOOT_CMD(time, CONFIG_SYS_MAXARGS, 0, do_time,
44 "run commands and summarize execution time",
45 "command [args...]\n");
46