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git.ipfire.org Git - people/ms/u-boot.git/blob - common/cmd_time.c
2 * Copyright (c) 2011 The Chromium OS Authors.
3 * See file CREDITS for list of people who contributed to this
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 of
9 * the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 static void report_time(ulong cycles
)
27 ulong minutes
, seconds
, milliseconds
;
28 ulong total_seconds
, remainder
;
30 total_seconds
= cycles
/ CONFIG_SYS_HZ
;
31 remainder
= cycles
% CONFIG_SYS_HZ
;
32 minutes
= total_seconds
/ 60;
33 seconds
= total_seconds
% 60;
34 /* approximate millisecond value */
35 milliseconds
= (remainder
* 1000 + CONFIG_SYS_HZ
/ 2) / CONFIG_SYS_HZ
;
39 printf(" %lu minutes,", minutes
);
40 printf(" %lu.%03lu seconds, %lu ticks\n",
41 seconds
, milliseconds
, cycles
);
44 static int do_time(cmd_tbl_t
*cmdtp
, int flag
, int argc
, char * const argv
[])
53 retval
= cmd_process(0, argc
- 1, argv
+ 1, &repeatable
, &cycles
);
59 U_BOOT_CMD(time
, CONFIG_SYS_MAXARGS
, 0, do_time
,
60 "run commands and summarize execution time",
61 "command [args...]\n");