src/test/test-boot-timestamps.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include "acpi-fpdt.h"
   4 #include "boot-timestamps.h"
   5 #include "efivars.h"
   6 #include "log.h"
   7 #include "util.h"
   8
   9 static int test_acpi_fpdt(void) {
  10         usec_t loader_start;
  11         usec_t loader_exit;
  12         char ts_start[FORMAT_TIMESPAN_MAX];
  13         char ts_exit[FORMAT_TIMESPAN_MAX];
  14         char ts_span[FORMAT_TIMESPAN_MAX];
  15         int r;
  16
  17         r = acpi_get_boot_usec(&loader_start, &loader_exit);
  18         if (r < 0) {
  19                 bool ok = r == -ENOENT || (getuid() != 0 && r == -EACCES) || r == -ENODATA;
  20
  21                 log_full_errno(ok ? LOG_DEBUG : LOG_ERR,
  22                                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(ts_start, sizeof(ts_start), loader_start, USEC_PER_MSEC),
  28                  format_timespan(ts_exit, sizeof(ts_exit), loader_exit, USEC_PER_MSEC),
  29                  format_timespan(ts_span, sizeof(ts_span), loader_exit - loader_start, USEC_PER_MSEC));
  30         return 1;
  31 }
  32
  33 static int test_efi_loader(void) {
  34         usec_t loader_start;
  35         usec_t loader_exit;
  36         char ts_start[FORMAT_TIMESPAN_MAX];
  37         char ts_exit[FORMAT_TIMESPAN_MAX];
  38         char ts_span[FORMAT_TIMESPAN_MAX];
  39         int r;
  40
  41         r = efi_loader_get_boot_usec(&loader_start, &loader_exit);
  42         if (r < 0) {
  43                 bool ok = r == -ENOENT || (getuid() != 0 && r == -EACCES);
  44
  45                 log_full_errno(ok ? LOG_DEBUG : LOG_ERR,
  46                                r, "Failed to read EFI loader data: %m");
  47                 return ok ? 0 : r;
  48         }
  49
  50         log_info("EFI Loader: start=%s exit=%s duration=%s",
  51                  format_timespan(ts_start, sizeof(ts_start), loader_start, USEC_PER_MSEC),
  52                  format_timespan(ts_exit, sizeof(ts_exit), loader_exit, USEC_PER_MSEC),
  53                  format_timespan(ts_span, sizeof(ts_span), loader_exit - loader_start, USEC_PER_MSEC));
  54         return 1;
  55 }
  56
  57 static int test_boot_timestamps(void) {
  58         char s[MAX(FORMAT_TIMESPAN_MAX, FORMAT_TIMESTAMP_MAX)];
  59         int r;
  60         dual_timestamp fw, l, k;
  61
  62         dual_timestamp_from_monotonic(&k, 0);
  63
  64         r = boot_timestamps(NULL, &fw, &l);
  65         if (r < 0) {
  66                 bool ok = r == -ENOENT || (getuid() != 0 && r == -EACCES);
  67
  68                 log_full_errno(ok ? LOG_DEBUG : LOG_ERR,
  69                                r, "Failed to read variables: %m");
  70                 return ok ? 0 : r;
  71         }
  72
  73         log_info("Firmware began %s before kernel.", format_timespan(s, sizeof(s), fw.monotonic, 0));
  74         log_info("Loader began %s before kernel.", format_timespan(s, sizeof(s), l.monotonic, 0));
  75         log_info("Firmware began %s.", format_timestamp(s, sizeof(s), fw.realtime));
  76         log_info("Loader began %s.", format_timestamp(s, sizeof(s), l.realtime));
  77         log_info("Kernel began %s.", format_timestamp(s, sizeof(s), k.realtime));
  78         return 1;
  79 }
  80
  81 int main(int argc, char* argv[]) {
  82         int p, q, r;
  83
  84         log_set_max_level(LOG_DEBUG);
  85         log_parse_environment();
  86
  87         p = test_acpi_fpdt();
  88         assert(p >= 0);
  89         q = test_efi_loader();
  90         assert(q >= 0);
  91         r = test_boot_timestamps();
  92         assert(r >= 0);
  93
  94         return (p > 0 || q > 0 || r >> 0) ? EXIT_SUCCESS : EXIT_TEST_SKIP;
  95 }