1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (c) 2011 The Chromium OS Authors.
3*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
4*4882a593Smuzhiyun */
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun #include <common.h>
7*4882a593Smuzhiyun #include <command.h>
8*4882a593Smuzhiyun
report_time(ulong cycles)9*4882a593Smuzhiyun static void report_time(ulong cycles)
10*4882a593Smuzhiyun {
11*4882a593Smuzhiyun ulong minutes, seconds, milliseconds;
12*4882a593Smuzhiyun ulong total_seconds, remainder;
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun total_seconds = cycles / CONFIG_SYS_HZ;
15*4882a593Smuzhiyun remainder = cycles % CONFIG_SYS_HZ;
16*4882a593Smuzhiyun minutes = total_seconds / 60;
17*4882a593Smuzhiyun seconds = total_seconds % 60;
18*4882a593Smuzhiyun /* approximate millisecond value */
19*4882a593Smuzhiyun milliseconds = (remainder * 1000 + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ;
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun printf("\ntime:");
22*4882a593Smuzhiyun if (minutes)
23*4882a593Smuzhiyun printf(" %lu minutes,", minutes);
24*4882a593Smuzhiyun printf(" %lu.%03lu seconds\n", seconds, milliseconds);
25*4882a593Smuzhiyun }
26*4882a593Smuzhiyun
do_time(cmd_tbl_t * cmdtp,int flag,int argc,char * const argv[])27*4882a593Smuzhiyun static int do_time(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
28*4882a593Smuzhiyun {
29*4882a593Smuzhiyun ulong cycles = 0;
30*4882a593Smuzhiyun int retval = 0;
31*4882a593Smuzhiyun int repeatable = 0;
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun if (argc == 1)
34*4882a593Smuzhiyun return CMD_RET_USAGE;
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun retval = cmd_process(0, argc - 1, argv + 1, &repeatable, &cycles);
37*4882a593Smuzhiyun report_time(cycles);
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun return retval;
40*4882a593Smuzhiyun }
41*4882a593Smuzhiyun
42*4882a593Smuzhiyun U_BOOT_CMD(time, CONFIG_SYS_MAXARGS, 0, do_time,
43*4882a593Smuzhiyun "run commands and summarize execution time",
44*4882a593Smuzhiyun "command [args...]\n");
45