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/***
This file is part of systemd.
Copyright 2013 Lennart Poettering
Copyright 2013 Kay Sievers
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include "acpi-fpdt.h"
#include "boot-timestamps.h"
#include "efivars.h"
#include "log.h"
#include "util.h"
static int test_acpi_fpdt(void) {
usec_t loader_start;
usec_t loader_exit;
char ts_start[FORMAT_TIMESPAN_MAX];
char ts_exit[FORMAT_TIMESPAN_MAX];
char ts_span[FORMAT_TIMESPAN_MAX];
int r;
r = acpi_get_boot_usec(&loader_start, &loader_exit);
if (r < 0) {
if (r != -ENOENT)
log_error_errno(r, "Failed to read ACPI FPDT: %m");
return r;
}
log_info("ACPI FPDT: loader start=%s exit=%s duration=%s",
format_timespan(ts_start, sizeof(ts_start), loader_start, USEC_PER_MSEC),
format_timespan(ts_exit, sizeof(ts_exit), loader_exit, USEC_PER_MSEC),
format_timespan(ts_span, sizeof(ts_span), loader_exit - loader_start, USEC_PER_MSEC));
return 0;
}
static int test_efi_loader(void) {
usec_t loader_start;
usec_t loader_exit;
char ts_start[FORMAT_TIMESPAN_MAX];
char ts_exit[FORMAT_TIMESPAN_MAX];
char ts_span[FORMAT_TIMESPAN_MAX];
int r;
r = efi_loader_get_boot_usec(&loader_start, &loader_exit);
if (r < 0) {
if (r != -ENOENT)
log_error_errno(r, "Failed to read EFI loader data: %m");
return r;
}
log_info("EFI Loader: start=%s exit=%s duration=%s",
format_timespan(ts_start, sizeof(ts_start), loader_start, USEC_PER_MSEC),
format_timespan(ts_exit, sizeof(ts_exit), loader_exit, USEC_PER_MSEC),
format_timespan(ts_span, sizeof(ts_span), loader_exit - loader_start, USEC_PER_MSEC));
return 0;
}
int main(int argc, char* argv[]) {
char s[MAX(FORMAT_TIMESPAN_MAX, FORMAT_TIMESTAMP_MAX)];
int r;
dual_timestamp fw, l, k;
test_acpi_fpdt();
test_efi_loader();
dual_timestamp_from_monotonic(&k, 0);
r = boot_timestamps(NULL, &fw, &l);
if (r < 0) {
log_error_errno(r, "Failed to read variables: %m");
return 1;
}
log_info("Firmware began %s before kernel.", format_timespan(s, sizeof(s), fw.monotonic, 0));
log_info("Loader began %s before kernel.", format_timespan(s, sizeof(s), l.monotonic, 0));
log_info("Firmware began %s.", format_timestamp(s, sizeof(s), fw.realtime));
log_info("Loader began %s.", format_timestamp(s, sizeof(s), l.realtime));
log_info("Kernel began %s.", format_timestamp(s, sizeof(s), k.realtime));
return 0;
}
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