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]);
38 printf("%s: command not found\n", argv[0]);
41 if (argc > cmdtp->maxargs)
45 retval = cmdtp->cmd(cmdtp, flag, argc, argv);
46 *cycles = get_timer(start);
51 static void report_time(ulong cycles)
53 ulong minutes, seconds, milliseconds;
54 ulong total_seconds, remainder;
56 total_seconds = cycles / CONFIG_SYS_HZ;
57 remainder = cycles % CONFIG_SYS_HZ;
58 minutes = total_seconds / 60;
59 seconds = total_seconds % 60;
60 /* approximate millisecond value */
61 milliseconds = (remainder * 1000 + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ;
65 printf(" %lu minutes,", minutes);
66 printf(" %lu.%03lu seconds, %lu ticks\n",
67 seconds, milliseconds, cycles);
70 static int do_time(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
78 retval = run_command_and_time_it(0, argc - 1, argv + 1, &cycles);
84 U_BOOT_CMD(time, CONFIG_SYS_MAXARGS, 0, do_time,
85 "run commands and summarize execution time",
86 "command [args...]\n");