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Commit c627558a authored by James Hawkins's avatar James Hawkins
Browse files

bootstat: Add a value option to allow recording an associated value for a boot event. 

This has been useful in debugging, but I could see it being used
practically.

Change-Id: Ied6e23d0f7a1bc39f606b2dba88fea92adc31bda
parent 80b1b188

bootstat/bootstat.cpp

+30 −5
Original line number Diff line number Diff line
@@ -63,6 +63,21 @@ void LogBootEvents() { 
  }

}



// Records the named boot |event| to the record store. If |value| is non-empty

// and is a proper string representation of an integer value, the converted

// integer value is associated with the boot event.

void RecordBootEventFromCommandLine(

    const std::string& event, const std::string& value_str) {

  BootEventRecordStore boot_event_store;

  if (!value_str.empty()) {

    int32_t value = 0;

    value = std::stoi(value_str);

    boot_event_store.AddBootEventWithValue(event, value);

  } else {

    boot_event_store.AddBootEvent(event);

  }

}



void PrintBootEvents() {

  printf("Boot events:\n");

  printf("------------\n");
@@ -82,6 +97,7 @@ void ShowHelp(const char *cmd) { 
          "  -l, --log             Log all metrics to logstorage\n"

          "  -p, --print           Dump the boot event records to the console\n"

          "  -r, --record          Record the timestamp of a named boot event\n"

          "  --value               Optional value to associate with the boot event\n"

          "  --record_boot_reason  Record the reason why the device booted\n"

          "  --record_time_since_factory_reset Record the time since the device was reset\n");

}
@@ -261,6 +277,7 @@ int main(int argc, char **argv) { 
  LOG(INFO) << "Service started: " << cmd_line;



  int option_index = 0;

  static const char value_str[] = "value";

  static const char boot_complete_str[] = "record_boot_complete";

  static const char boot_reason_str[] = "record_boot_reason";

  static const char factory_reset_str[] = "record_time_since_factory_reset";
@@ -269,19 +286,26 @@ int main(int argc, char **argv) { 
    { "log",             no_argument,       NULL,   'l' },

    { "print",           no_argument,       NULL,   'p' },

    { "record",          required_argument, NULL,   'r' },

    { value_str,         required_argument, NULL,   0 },

    { boot_complete_str, no_argument,       NULL,   0 },

    { boot_reason_str,   no_argument,       NULL,   0 },

    { factory_reset_str, no_argument,       NULL,   0 },

    { NULL,              0,                 NULL,   0 }

  };



  std::string boot_event;

  std::string value;

  int opt = 0;

  while ((opt = getopt_long(argc, argv, "hlpr:", long_options, &option_index)) != -1) {

    switch (opt) {

      // This case handles long options which have no single-character mapping.

      case 0: {

        const std::string option_name = long_options[option_index].name;

        if (option_name == boot_complete_str) {

        if (option_name == value_str) {

          // |optarg| is an external variable set by getopt representing

          // the option argument.

          value = optarg;

        } else if (option_name == boot_complete_str) {

          RecordBootComplete();

        } else if (option_name == boot_reason_str) {

          RecordBootReason();
@@ -311,10 +335,7 @@ int main(int argc, char **argv) { 
      case 'r': {

        // |optarg| is an external variable set by getopt representing

        // the option argument.

        const char* event = optarg;



        BootEventRecordStore boot_event_store;

        boot_event_store.AddBootEvent(event);

        boot_event = optarg;

        break;

      }
@@ -330,5 +351,9 @@ int main(int argc, char **argv) { 
    }

  }



  if (!boot_event.empty()) {

    RecordBootEventFromCommandLine(boot_event, value);

  }



  return 0;

}