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/*
* Copyright (C) ST-Ericsson SA 2009-2010
* Jonas Aaberg <jonas.aberg@stericsson.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <common.h>
#include <boottime.h>
#include <asm/byteorder.h>
#include <asm/setup.h>
#ifdef CONFIG_BOOTTIME
static struct tag_boottime boottime = {
.idle = 0,
.total = 0,
};
void boottime_tag(char *name)
{
if (boottime.num == BOOTTIME_MAX) {
printf("boottime: out of entries!\n");
return;
}
strncpy((char *)boottime.entry[boottime.num].name,
name,
BOOTTIME_MAX_NAME_LEN);
boottime.entry[boottime.num].name[BOOTTIME_MAX_NAME_LEN - 1] = '\0';
boottime.entry[boottime.num].time = get_timer_us();
boottime.num++;
}
struct boottime_entry *boottime_get_entry(unsigned int i)
{
if (i >= boottime.num)
return NULL;
else
return &boottime.entry[i];
}
void boottime_idle_add(unsigned long time)
{
boottime.idle += time;
}
unsigned long boottime_idle_done(void)
{
return get_timer_us();
}
unsigned long boottime_idle_get(void)
{
return boottime.idle;
}
static int do_boottime(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
unsigned int i;
struct boottime_entry *entry;
for (i = 0; i < BOOTTIME_MAX; i++) {
entry = boottime_get_entry(i);
if (entry == NULL)
break;
printf("%s: started at %lu ms\n", entry->name,
(unsigned long)entry->time / 1000);
}
printf("idle: %d%% (%d ms)\n",
100 * (int)boottime_idle_get() / (int)get_timer_us(),
(int)boottime_idle_get() / 1000);
return 0;
}
static int do_boottime_tag (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
if (argc < 2) {
cmd_usage(cmdtp);
return 1;
}
boottime_tag(argv[1]);
return 0;
}
U_BOOT_CMD(
boottime, 1, 1, do_boottime,
"print boottime info",
""
" - print boottime tags\n"
);
U_BOOT_CMD(
boottime_tag, 2, 1, do_boottime_tag,
"boottime tag 'name'",
""
" - Add a boottime tag at the current time\n"
);
#else
/*
* Dummy functions when boottime is not enabled.
*/
static int do_boottime_tag (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
{
return 0;
}
void boottime_tag(char *name)
{
}
void boottime_idle_add(unsigned long time)
{
}
U_BOOT_CMD(
boottime_tag, 2, 1, do_boottime_tag,
"boottime tag 'name'",
""
" - NOT ENABLED: Add CONFIG_BOOTIME to your boards configuration"
" file to enable boottime.\n"
);
#endif
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