C++ (Cpp) dual_timestamp_from_monotonic Examples

Example #1

File: test-efivars.c Project: Miss6yka/systemd

int main(int argc, char* argv[]) {
        char s[MAX(FORMAT_TIMESPAN_MAX, FORMAT_TIMESTAMP_MAX)];
        int r;
        dual_timestamp fw, l, k;

        dual_timestamp_from_monotonic(&k, 0);

        r = efi_get_boot_timestamps(NULL, &fw, &l);
        if (r < 0) {
                log_error("Failed to read variables: %s", strerror(-r));
                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;
}

Example #2

File: test-boot-timestamps.c Project: dankor/systemd

static int test_boot_timestamps(void) {
        char s[MAX(FORMAT_TIMESPAN_MAX, FORMAT_TIMESTAMP_MAX)];
        int r;
        dual_timestamp fw, l, k;

        dual_timestamp_from_monotonic(&k, 0);

        r = boot_timestamps(NULL, &fw, &l);
        if (r < 0) {
                bool ok = r == -ENOENT || (getuid() != 0 && r == -EACCES);

                log_full_errno(ok ? LOG_DEBUG : LOG_ERR,
                               r, "Failed to read variables: %m");
                return ok ? 0 : r;
        }

        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 1;
}