src/test/test-boot-timestamps.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright 2013 Kay Sievers
   4 ***/
   5
   6 #include "acpi-fpdt.h"
   7 #include "boot-timestamps.h"
   8 #include "efivars.h"
   9 #include "log.h"
  10 #include "util.h"
  11
  12 static int test_acpi_fpdt(void) {
  13         usec_t loader_start;
  14         usec_t loader_exit;
  15         char ts_start[FORMAT_TIMESPAN_MAX];
  16         char ts_exit[FORMAT_TIMESPAN_MAX];
  17         char ts_span[FORMAT_TIMESPAN_MAX];
  18         int r;
  19
  20         r = acpi_get_boot_usec(&loader_start, &loader_exit);
  21         if (r < 0) {
  22                 bool ok = r == -ENOENT || (getuid() != 0 && r == -EACCES) || r == -ENODATA;
  23
  24                 log_full_errno(ok ? LOG_DEBUG : LOG_ERR,
  25                                r, "Failed to read ACPI FPDT: %m");
  26                 return ok ? 0 : r;
  27         }
  28
  29         log_info("ACPI FPDT: loader start=%s exit=%s duration=%s",
  30                  format_timespan(ts_start, sizeof(ts_start), loader_start, USEC_PER_MSEC),
  31                  format_timespan(ts_exit, sizeof(ts_exit), loader_exit, USEC_PER_MSEC),
  32                  format_timespan(ts_span, sizeof(ts_span), loader_exit - loader_start, USEC_PER_MSEC));
  33         return 1;
  34 }
  35
  36 static int test_efi_loader(void) {
  37         usec_t loader_start;
  38         usec_t loader_exit;
  39         char ts_start[FORMAT_TIMESPAN_MAX];
  40         char ts_exit[FORMAT_TIMESPAN_MAX];
  41         char ts_span[FORMAT_TIMESPAN_MAX];
  42         int r;
  43
  44         r = efi_loader_get_boot_usec(&loader_start, &loader_exit);
  45         if (r < 0) {
  46                 bool ok = r == -ENOENT || (getuid() != 0 && r == -EACCES);
  47
  48                 log_full_errno(ok ? LOG_DEBUG : LOG_ERR,
  49                                r, "Failed to read EFI loader data: %m");
  50                 return ok ? 0 : r;
  51         }
  52
  53         log_info("EFI Loader: start=%s exit=%s duration=%s",
  54                  format_timespan(ts_start, sizeof(ts_start), loader_start, USEC_PER_MSEC),
  55                  format_timespan(ts_exit, sizeof(ts_exit), loader_exit, USEC_PER_MSEC),
  56                  format_timespan(ts_span, sizeof(ts_span), loader_exit - loader_start, USEC_PER_MSEC));
  57         return 1;
  58 }
  59
  60 static int test_boot_timestamps(void) {
  61         char s[MAX(FORMAT_TIMESPAN_MAX, FORMAT_TIMESTAMP_MAX)];
  62         int r;
  63         dual_timestamp fw, l, k;
  64
  65         dual_timestamp_from_monotonic(&k, 0);
  66
  67         r = boot_timestamps(NULL, &fw, &l);
  68         if (r < 0) {
  69                 bool ok = r == -ENOENT || (getuid() != 0 && r == -EACCES);
  70
  71                 log_full_errno(ok ? LOG_DEBUG : LOG_ERR,
  72                                r, "Failed to read variables: %m");
  73                 return ok ? 0 : r;
  74         }
  75
  76         log_info("Firmware began %s before kernel.", format_timespan(s, sizeof(s), fw.monotonic, 0));
  77         log_info("Loader began %s before kernel.", format_timespan(s, sizeof(s), l.monotonic, 0));
  78         log_info("Firmware began %s.", format_timestamp(s, sizeof(s), fw.realtime));
  79         log_info("Loader began %s.", format_timestamp(s, sizeof(s), l.realtime));
  80         log_info("Kernel began %s.", format_timestamp(s, sizeof(s), k.realtime));
  81         return 1;
  82 }
  83
  84 int main(int argc, char* argv[]) {
  85         int p, q, r;
  86
  87         log_set_max_level(LOG_DEBUG);
  88         log_parse_environment();
  89
  90         p = test_acpi_fpdt();
  91         assert(p >= 0);
  92         q = test_efi_loader();
  93         assert(q >= 0);
  94         r = test_boot_timestamps();
  95         assert(r >= 0);
  96
  97         return (p > 0 || q > 0 || r >> 0) ? EXIT_SUCCESS : EXIT_TEST_SKIP;
  98 }