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Commit fff95ba5 authored by James Hawkins's avatar James Hawkins
Browse files

bootstat: Two changes to aid in debugging TimeSinceFactoryReset. 

* Also log to the BootEventRecordStore to check lossiness.
* Log factory_reset_current_time_failure separately.

Bug: 27550578
Change-Id: Id3d579a74a59ac28290cb7d6048765519f9ba59b
parent fbdbf100

bootstat/bootstat.cpp

+19 −3
Original line number Diff line number Diff line
@@ -224,13 +224,23 @@ void RecordFactoryReset() { 


  time_t current_time_utc = time(nullptr);



  static const char* factory_reset_current_time = "factory_reset_current_time";

  if (current_time_utc < 0) {

    // UMA does not display negative values in buckets, so convert to positive.

    bootstat::LogHistogram(factory_reset_current_time, std::abs(current_time_utc));

    bootstat::LogHistogram(

        "factory_reset_current_time_failure", std::abs(current_time_utc));



    // Logging via BootEventRecordStore to see if using bootstat::LogHistogram

    // is losing records somehow.

    boot_event_store.AddBootEventWithValue(

        "factory_reset_current_time_failure", std::abs(current_time_utc));

    return;

  } else {

    bootstat::LogHistogram(factory_reset_current_time, current_time_utc);

    bootstat::LogHistogram("factory_reset_current_time", current_time_utc);



    // Logging via BootEventRecordStore to see if using bootstat::LogHistogram

    // is losing records somehow.

    boot_event_store.AddBootEventWithValue(

        "factory_reset_current_time", current_time_utc);

  }



  // The factory_reset boot event does not exist after the device is reset, so
@@ -247,6 +257,12 @@ void RecordFactoryReset() { 
  // factory_reset time.

  time_t factory_reset_utc = record.second;

  bootstat::LogHistogram("factory_reset_record_value", factory_reset_utc);



  // Logging via BootEventRecordStore to see if using bootstat::LogHistogram

  // is losing records somehow.

  boot_event_store.AddBootEventWithValue(

      "factory_reset_record_value", factory_reset_utc);



  time_t time_since_factory_reset = difftime(current_time_utc,

                                             factory_reset_utc);

  boot_event_store.AddBootEventWithValue("time_since_factory_reset",