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1 | /* |
2 | * Copyright (c) 2011 The Chromium OS Authors. | |
3 | * See file CREDITS for list of people who contributed to this | |
4 | * project. | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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, | |
19 | * MA 02111-1307 USA | |
20 | */ | |
21 | ||
22 | #include <common.h> | |
23 | #include <command.h> | |
24 | ||
ca366d0e CC |
25 | static void report_time(ulong cycles) |
26 | { | |
27 | ulong minutes, seconds, milliseconds; | |
28 | ulong total_seconds, remainder; | |
29 | ||
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; | |
36 | ||
37 | printf("\ntime:"); | |
38 | if (minutes) | |
39 | printf(" %lu minutes,", minutes); | |
40 | printf(" %lu.%03lu seconds, %lu ticks\n", | |
41 | seconds, milliseconds, cycles); | |
42 | } | |
43 | ||
44 | static int do_time(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) | |
45 | { | |
46 | ulong cycles = 0; | |
47 | int retval = 0; | |
34765e88 | 48 | int repeatable; |
ca366d0e CC |
49 | |
50 | if (argc == 1) | |
4c12eeb8 | 51 | return CMD_RET_USAGE; |
ca366d0e | 52 | |
34765e88 | 53 | retval = cmd_process(0, argc - 1, argv + 1, &repeatable, &cycles); |
ca366d0e CC |
54 | report_time(cycles); |
55 | ||
56 | return retval; | |
57 | } | |
58 | ||
59 | U_BOOT_CMD(time, CONFIG_SYS_MAXARGS, 0, do_time, | |
60 | "run commands and summarize execution time", | |
61 | "command [args...]\n"); |