src/test/test-boot-timestamps.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd.
   4
   5   Copyright 2013 Lennart Poettering
   6   Copyright 2013 Kay Sievers
   7 ***/
   8
   9 #include "acpi-fpdt.h"
  10 #include "boot-timestamps.h"
  11 #include "efivars.h"
  12 #include "log.h"
  13 #include "util.h"
  14
  15 static int test_acpi_fpdt(void) {
  16         usec_t loader_start;
  17         usec_t loader_exit;
  18         char ts_start[FORMAT_TIMESPAN_MAX];
  19         char ts_exit[FORMAT_TIMESPAN_MAX];
  20         char ts_span[FORMAT_TIMESPAN_MAX];
  21         int r;
  22
  23         r = acpi_get_boot_usec(&loader_start, &loader_exit);
  24         if (r < 0) {
  25                 bool ok = r == -ENOENT || (getuid() != 0 && r == -EACCES) || r == -ENODATA;
  26
  27                 log_full_errno(ok ? LOG_DEBUG : LOG_ERR,
  28                                r, "Failed to read ACPI FPDT: %m");
  29                 return ok ? 0 : r;
  30         }
  31
  32         log_info("ACPI FPDT: loader start=%s exit=%s duration=%s",
  33                  format_timespan(ts_start, sizeof(ts_start), loader_start, USEC_PER_MSEC),
  34                  format_timespan(ts_exit, sizeof(ts_exit), loader_exit, USEC_PER_MSEC),
  35                  format_timespan(ts_span, sizeof(ts_span), loader_exit - loader_start, USEC_PER_MSEC));
  36         return 1;
  37 }
  38
  39 static int test_efi_loader(void) {
  40         usec_t loader_start;
  41         usec_t loader_exit;
  42         char ts_start[FORMAT_TIMESPAN_MAX];
  43         char ts_exit[FORMAT_TIMESPAN_MAX];
  44         char ts_span[FORMAT_TIMESPAN_MAX];
  45         int r;
  46
  47         r = efi_loader_get_boot_usec(&loader_start, &loader_exit);
  48         if (r < 0) {
  49                 bool ok = r == -ENOENT || (getuid() != 0 && r == -EACCES);
  50
  51                 log_full_errno(ok ? LOG_DEBUG : LOG_ERR,
  52                                r, "Failed to read EFI loader data: %m");
  53                 return ok ? 0 : r;
  54         }
  55
  56         log_info("EFI Loader: start=%s exit=%s duration=%s",
  57                  format_timespan(ts_start, sizeof(ts_start), loader_start, USEC_PER_MSEC),
  58                  format_timespan(ts_exit, sizeof(ts_exit), loader_exit, USEC_PER_MSEC),
  59                  format_timespan(ts_span, sizeof(ts_span), loader_exit - loader_start, USEC_PER_MSEC));
  60         return 1;
  61 }
  62
  63 static int test_boot_timestamps(void) {
  64         char s[MAX(FORMAT_TIMESPAN_MAX, FORMAT_TIMESTAMP_MAX)];
  65         int r;
  66         dual_timestamp fw, l, k;
  67
  68         dual_timestamp_from_monotonic(&k, 0);
  69
  70         r = boot_timestamps(NULL, &fw, &l);
  71         if (r < 0) {
  72                 bool ok = r == -ENOENT || (getuid() != 0 && r == -EACCES);
  73
  74                 log_full_errno(ok ? LOG_DEBUG : LOG_ERR,
  75                                r, "Failed to read variables: %m");
  76                 return ok ? 0 : r;
  77         }
  78
  79         log_info("Firmware began %s before kernel.", format_timespan(s, sizeof(s), fw.monotonic, 0));
  80         log_info("Loader began %s before kernel.", format_timespan(s, sizeof(s), l.monotonic, 0));
  81         log_info("Firmware began %s.", format_timestamp(s, sizeof(s), fw.realtime));
  82         log_info("Loader began %s.", format_timestamp(s, sizeof(s), l.realtime));
  83         log_info("Kernel began %s.", format_timestamp(s, sizeof(s), k.realtime));
  84         return 1;
  85 }
  86
  87 int main(int argc, char* argv[]) {
  88         int p, q, r;
  89
  90         log_set_max_level(LOG_DEBUG);
  91         log_parse_environment();
  92
  93         p = test_acpi_fpdt();
  94         assert(p >= 0);
  95         q = test_efi_loader();
  96         assert(q >= 0);
  97         r = test_boot_timestamps();
  98         assert(r >= 0);
  99
 100         return (p > 0 || q > 0 || r >> 0) ? EXIT_SUCCESS : EXIT_TEST_SKIP;
 101 }