src/test/test-boot-timestamps.c

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2
   3 #include <sys/types.h>
   4 #include <unistd.h>
   5
   6 #include "acpi-fpdt.h"
   7 #include "boot-timestamps.h"
   8 #include "efi-loader.h"
   9 #include "errno-util.h"
  10 #include "log.h"
  11 #include "tests.h"
  12 #include "util.h"
  13
  14 static int test_acpi_fpdt(void) {
  15         usec_t loader_start, loader_exit;
  16         int r;
  17
  18         r = acpi_get_boot_usec(&loader_start, &loader_exit);
  19         if (r < 0) {
  20                 bool ok = IN_SET(r, -ENOENT, -ENODATA, -ERANGE) || ERRNO_IS_PRIVILEGE(r);
  21
  22                 log_full_errno(ok ? LOG_DEBUG : LOG_ERR, r, "Failed to read ACPI FPDT: %m");
  23                 return ok ? 0 : r;
  24         }
  25
  26         log_info("ACPI FPDT: loader start=%s exit=%s duration=%s",
  27                  FORMAT_TIMESPAN(loader_start, USEC_PER_MSEC),
  28                  FORMAT_TIMESPAN(loader_exit, USEC_PER_MSEC),
  29                  FORMAT_TIMESPAN(loader_exit - loader_start, USEC_PER_MSEC));
  30         return 1;
  31 }
  32
  33 static int test_efi_loader(void) {
  34         usec_t loader_start, loader_exit;
  35         int r;
  36
  37         r = efi_loader_get_boot_usec(&loader_start, &loader_exit);
  38         if (r < 0) {
  39                 bool ok = IN_SET(r, -ENOENT, -EOPNOTSUPP) || ERRNO_IS_PRIVILEGE(r);
  40
  41                 log_full_errno(ok ? LOG_DEBUG : LOG_ERR, r, "Failed to read EFI loader data: %m");
  42                 return ok ? 0 : r;
  43         }
  44
  45         log_info("EFI Loader: start=%s exit=%s duration=%s",
  46                  FORMAT_TIMESPAN(loader_start, USEC_PER_MSEC),
  47                  FORMAT_TIMESPAN(loader_exit, USEC_PER_MSEC),
  48                  FORMAT_TIMESPAN(loader_exit - loader_start, USEC_PER_MSEC));
  49         return 1;
  50 }
  51
  52 static int test_boot_timestamps(void) {
  53         dual_timestamp fw, l, k;
  54         int r;
  55
  56         dual_timestamp_from_monotonic(&k, 0);
  57
  58         r = boot_timestamps(NULL, &fw, &l);
  59         if (r < 0) {
  60                 bool ok = IN_SET(r, -ENOENT, -EOPNOTSUPP) || ERRNO_IS_PRIVILEGE(r);
  61
  62                 log_full_errno(ok ? LOG_DEBUG : LOG_ERR, r, "Failed to read variables: %m");
  63                 return ok ? 0 : r;
  64         }
  65
  66         log_info("Firmware began %s before kernel.", FORMAT_TIMESPAN(fw.monotonic, 0));
  67         log_info("Loader began %s before kernel.", FORMAT_TIMESPAN(l.monotonic, 0));
  68         log_info("Firmware began %s.", FORMAT_TIMESTAMP(fw.realtime));
  69         log_info("Loader began %s.", FORMAT_TIMESTAMP(l.realtime));
  70         log_info("Kernel began %s.", FORMAT_TIMESTAMP(k.realtime));
  71         return 1;
  72 }
  73
  74 int main(int argc, char* argv[]) {
  75         int p, q, r;
  76
  77         test_setup_logging(LOG_DEBUG);
  78
  79         p = test_acpi_fpdt();
  80         assert_se(p >= 0);
  81         q = test_efi_loader();
  82         assert_se(q >= 0);
  83         r = test_boot_timestamps();
  84         assert_se(r >= 0);
  85
  86         if (p == 0 && q == 0 && r == 0)
  87                 return log_tests_skipped("access to firmware variables not possible");
  88
  89         return EXIT_SUCCESS;
  90 }