62 lines
1.8 KiB
C
62 lines
1.8 KiB
C
/*
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* Copyright (c) 2011 The Chromium OS Authors.
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <command.h>
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static void report_time(ulong cycles)
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{
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ulong minutes, seconds, milliseconds;
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ulong total_seconds, remainder;
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total_seconds = cycles / CONFIG_SYS_HZ;
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remainder = cycles % CONFIG_SYS_HZ;
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minutes = total_seconds / 60;
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seconds = total_seconds % 60;
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/* approximate millisecond value */
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milliseconds = (remainder * 1000 + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ;
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printf("\ntime:");
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if (minutes)
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printf(" %lu minutes,", minutes);
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printf(" %lu.%03lu seconds, %lu ticks\n",
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seconds, milliseconds, cycles);
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}
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static int do_time(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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ulong cycles = 0;
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int retval = 0;
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int repeatable;
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if (argc == 1)
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return CMD_RET_USAGE;
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retval = cmd_process(0, argc - 1, argv + 1, &repeatable, &cycles);
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report_time(cycles);
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return retval;
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}
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U_BOOT_CMD(time, CONFIG_SYS_MAXARGS, 0, do_time,
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"run commands and summarize execution time",
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"command [args...]\n");
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