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,
26
* TODO(clchiou): This function actually minics the bottom-half of the
27
* run_command() function. Since this function has ARM-dependent timer
28
* codes, we cannot merge it with the run_command() for now.
30
static int run_command_and_time_it(int flag, int argc, char * const argv[],
33
cmd_tbl_t *cmdtp = find_cmd(argv[0]);
37
printf("%s: command not found\n", argv[0]);
40
if (argc > cmdtp->maxargs)
41
return cmd_usage(cmdtp);
44
* TODO(clchiou): get_timer_masked() is only defined in certain ARM
45
* boards. We could use the new timer API that Graeme is proposing
46
* so that this piece of code would be arch-independent.
48
*cycles = get_timer_masked();
49
retval = cmdtp->cmd(cmdtp, flag, argc, argv);
50
*cycles = get_timer_masked() - *cycles;
55
static void report_time(ulong cycles)
57
ulong minutes, seconds, milliseconds;
58
ulong total_seconds, remainder;
60
total_seconds = cycles / CONFIG_SYS_HZ;
61
remainder = cycles % CONFIG_SYS_HZ;
62
minutes = total_seconds / 60;
63
seconds = total_seconds % 60;
64
/* approximate millisecond value */
65
milliseconds = (remainder * 1000 + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ;
69
printf(" %lu minutes,", minutes);
70
printf(" %lu.%03lu seconds, %lu ticks\n",
71
seconds, milliseconds, cycles);
74
static int do_time(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
80
return cmd_usage(cmdtp);
82
retval = run_command_and_time_it(0, argc - 1, argv + 1, &cycles);
88
U_BOOT_CMD(time, CONFIG_SYS_MAXARGS, 0, do_time,
89
"run commands and summarize execution time",
90
"command [args...]\n");