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Implement boot time analysis framework.

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2013-03-19 20:25:09 +01:00
parent e5a2dd7b55
commit e744219bb6
14 changed files with 232 additions and 8 deletions
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grub-core/commands/boottime.c Normal file
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/* cacheinfo.c - disk cache statistics */
/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2008,2010 Free Software Foundation, Inc.
*
* GRUB 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 3 of the License, or
* (at your option) any later version.
*
* GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
#include <grub/dl.h>
#include <grub/misc.h>
#include <grub/command.h>
#include <grub/i18n.h>
GRUB_MOD_LICENSE ("GPLv3+");
static grub_err_t
grub_cmd_boottime (struct grub_command *cmd __attribute__ ((unused)),
int argc __attribute__ ((unused)),
char *argv[] __attribute__ ((unused)))
{
struct grub_boot_time *cur;
grub_uint64_t last_time = 0, start_time = 0;
if (!grub_boot_time_head)
{
grub_puts_ (N_("No boot time statistics is available\n"));
return 0;
}
start_time = last_time = grub_boot_time_head->tp;
for (cur = grub_boot_time_head; cur; cur = cur->next)
{
grub_uint32_t tmabs = cur->tp - start_time;
grub_uint32_t tmrel = cur->tp - last_time;
last_time = cur->tp;
grub_printf ("%3d.%03ds %2d.%03ds %s:%d %s\n",
tmabs / 1000, tmabs % 1000, tmrel / 1000, tmrel % 1000, cur->file, cur->line,
cur->msg);
}
return 0;
}
static grub_command_t cmd_boottime;
GRUB_MOD_INIT(boottime)
{
cmd_boottime =
grub_register_command ("boottime", grub_cmd_boottime,
0, N_("Get boot time statistics."));
}
GRUB_MOD_FINI(boottime)
{
grub_unregister_command (cmd_boottime);
}