src/chrome/browser/metrics/metrics_log.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/metrics/metrics_log.h"
   6
   7 #include <algorithm>
   8 #include <string>
   9 #include <vector>
  10
  11 #include "base/base64.h"
  12 #include "base/basictypes.h"
  13 #include "base/bind.h"
  14 #include "base/cpu.h"
  15 #include "base/lazy_instance.h"
  16 #include "base/memory/scoped_ptr.h"
  17 #include "base/prefs/pref_registry_simple.h"
  18 #include "base/prefs/pref_service.h"
  19 #include "base/profiler/alternate_timer.h"
  20 #include "base/sha1.h"
  21 #include "base/strings/string_number_conversions.h"
  22 #include "base/strings/string_util.h"
  23 #include "base/strings/utf_string_conversions.h"
  24 #include "base/sys_info.h"
  25 #include "base/third_party/nspr/prtime.h"
  26 #include "base/time/time.h"
  27 #include "base/tracked_objects.h"
  28 #include "chrome/browser/autocomplete/autocomplete_input.h"
  29 #include "chrome/browser/autocomplete/autocomplete_match.h"
  30 #include "chrome/browser/autocomplete/autocomplete_provider.h"
  31 #include "chrome/browser/autocomplete/autocomplete_result.h"
  32 #include "chrome/browser/browser_process.h"
  33 #include "chrome/browser/google/google_util.h"
  34 #include "chrome/browser/omnibox/omnibox_log.h"
  35 #include "chrome/browser/plugins/plugin_prefs.h"
  36 #include "chrome/browser/profiles/profile_manager.h"
  37 #include "chrome/common/chrome_version_info.h"
  38 #include "chrome/common/logging_chrome.h"
  39 #include "chrome/common/metrics/proto/omnibox_event.pb.h"
  40 #include "chrome/common/metrics/proto/profiler_event.pb.h"
  41 #include "chrome/common/metrics/proto/system_profile.pb.h"
  42 #include "chrome/common/metrics/variations/variations_util.h"
  43 #include "chrome/common/pref_names.h"
  44 #include "chrome/installer/util/google_update_settings.h"
  45 #include "components/nacl/common/nacl_process_type.h"
  46 #include "content/public/browser/gpu_data_manager.h"
  47 #include "content/public/common/content_client.h"
  48 #include "content/public/common/webplugininfo.h"
  49 #include "gpu/config/gpu_info.h"
  50 #include "ui/gfx/screen.h"
  51 #include "url/gurl.h"
  52
  53 #if defined(OS_ANDROID)
  54 #include "base/android/build_info.h"
  55 #endif
  56
  57 #if defined(OS_WIN)
  58 #include "base/win/metro.h"
  59
  60 // http://blogs.msdn.com/oldnewthing/archive/2004/10/25/247180.aspx
  61 extern "C" IMAGE_DOS_HEADER __ImageBase;
  62 #endif
  63
  64 #if defined(OS_CHROMEOS)
  65 #include "chrome/browser/metrics/metrics_log_chromeos.h"
  66 #endif  // OS_CHROMEOS
  67
  68 using content::GpuDataManager;
  69 using metrics::OmniboxEventProto;
  70 using metrics::ProfilerEventProto;
  71 using metrics::SystemProfileProto;
  72 using tracked_objects::ProcessDataSnapshot;
  73 typedef chrome_variations::ActiveGroupId ActiveGroupId;
  74 typedef SystemProfileProto::GoogleUpdate::ProductInfo ProductInfo;
  75
  76 namespace {
  77
  78 // Returns the date at which the current metrics client ID was created as
  79 // a string containing seconds since the epoch, or "0" if none was found.
  80 std::string GetMetricsEnabledDate(PrefService* pref) {
  81   if (!pref) {
  82     NOTREACHED();
  83     return "0";
  84   }
  85
  86   return pref->GetString(prefs::kMetricsClientIDTimestamp);
  87 }
  88
  89 OmniboxEventProto::InputType AsOmniboxEventInputType(
  90     AutocompleteInput::Type type) {
  91   switch (type) {
  92     case AutocompleteInput::INVALID:
  93       return OmniboxEventProto::INVALID;
  94     case AutocompleteInput::UNKNOWN:
  95       return OmniboxEventProto::UNKNOWN;
  96     case AutocompleteInput::URL:
  97       return OmniboxEventProto::URL;
  98     case AutocompleteInput::QUERY:
  99       return OmniboxEventProto::QUERY;
 100     case AutocompleteInput::FORCED_QUERY:
 101       return OmniboxEventProto::FORCED_QUERY;
 102     default:
 103       NOTREACHED();
 104       return OmniboxEventProto::INVALID;
 105   }
 106 }
 107
 108 OmniboxEventProto::Suggestion::ResultType AsOmniboxEventResultType(
 109     AutocompleteMatch::Type type) {
 110   switch (type) {
 111     case AutocompleteMatchType::URL_WHAT_YOU_TYPED:
 112       return OmniboxEventProto::Suggestion::URL_WHAT_YOU_TYPED;
 113     case AutocompleteMatchType::HISTORY_URL:
 114       return OmniboxEventProto::Suggestion::HISTORY_URL;
 115     case AutocompleteMatchType::HISTORY_TITLE:
 116       return OmniboxEventProto::Suggestion::HISTORY_TITLE;
 117     case AutocompleteMatchType::HISTORY_BODY:
 118       return OmniboxEventProto::Suggestion::HISTORY_BODY;
 119     case AutocompleteMatchType::HISTORY_KEYWORD:
 120       return OmniboxEventProto::Suggestion::HISTORY_KEYWORD;
 121     case AutocompleteMatchType::NAVSUGGEST:
 122       return OmniboxEventProto::Suggestion::NAVSUGGEST;
 123     case AutocompleteMatchType::SEARCH_WHAT_YOU_TYPED:
 124       return OmniboxEventProto::Suggestion::SEARCH_WHAT_YOU_TYPED;
 125     case AutocompleteMatchType::SEARCH_HISTORY:
 126       return OmniboxEventProto::Suggestion::SEARCH_HISTORY;
 127     case AutocompleteMatchType::SEARCH_SUGGEST:
 128       return OmniboxEventProto::Suggestion::SEARCH_SUGGEST;
 129     case AutocompleteMatchType::SEARCH_SUGGEST_ENTITY:
 130       return OmniboxEventProto::Suggestion::SEARCH_SUGGEST_ENTITY;
 131     case AutocompleteMatchType::SEARCH_SUGGEST_INFINITE:
 132       return OmniboxEventProto::Suggestion::SEARCH_SUGGEST_INFINITE;
 133     case AutocompleteMatchType::SEARCH_SUGGEST_PERSONALIZED:
 134       return OmniboxEventProto::Suggestion::SEARCH_SUGGEST_PERSONALIZED;
 135     case AutocompleteMatchType::SEARCH_SUGGEST_PROFILE:
 136       return OmniboxEventProto::Suggestion::SEARCH_SUGGEST_PROFILE;
 137     case AutocompleteMatchType::SEARCH_OTHER_ENGINE:
 138       return OmniboxEventProto::Suggestion::SEARCH_OTHER_ENGINE;
 139     case AutocompleteMatchType::EXTENSION_APP:
 140       return OmniboxEventProto::Suggestion::EXTENSION_APP;
 141     case AutocompleteMatchType::CONTACT:
 142       return OmniboxEventProto::Suggestion::CONTACT;
 143     case AutocompleteMatchType::BOOKMARK_TITLE:
 144       return OmniboxEventProto::Suggestion::BOOKMARK_TITLE;
 145     default:
 146       NOTREACHED();
 147       return OmniboxEventProto::Suggestion::UNKNOWN_RESULT_TYPE;
 148   }
 149 }
 150
 151 OmniboxEventProto::PageClassification AsOmniboxEventPageClassification(
 152     AutocompleteInput::PageClassification page_classification) {
 153   switch (page_classification) {
 154     case AutocompleteInput::INVALID_SPEC:
 155       return OmniboxEventProto::INVALID_SPEC;
 156     case AutocompleteInput::NTP:
 157       return OmniboxEventProto::NTP;
 158     case AutocompleteInput::BLANK:
 159       return OmniboxEventProto::BLANK;
 160     case AutocompleteInput::HOME_PAGE:
 161       return OmniboxEventProto::HOME_PAGE;
 162     case AutocompleteInput::OTHER:
 163       return OmniboxEventProto::OTHER;
 164     case AutocompleteInput::SEARCH_RESULT_PAGE_DOING_SEARCH_TERM_REPLACEMENT:
 165       return OmniboxEventProto::
 166           SEARCH_RESULT_PAGE_DOING_SEARCH_TERM_REPLACEMENT;
 167     case AutocompleteInput::INSTANT_NTP_WITH_OMNIBOX_AS_STARTING_FOCUS:
 168       return OmniboxEventProto::INSTANT_NTP_WITH_OMNIBOX_AS_STARTING_FOCUS;
 169     case AutocompleteInput::INSTANT_NTP_WITH_FAKEBOX_AS_STARTING_FOCUS:
 170       return OmniboxEventProto::INSTANT_NTP_WITH_FAKEBOX_AS_STARTING_FOCUS;
 171     case AutocompleteInput::SEARCH_RESULT_PAGE_NO_SEARCH_TERM_REPLACEMENT:
 172       return OmniboxEventProto::
 173           SEARCH_RESULT_PAGE_NO_SEARCH_TERM_REPLACEMENT;
 174   }
 175   return OmniboxEventProto::INVALID_SPEC;
 176 }
 177
 178 ProfilerEventProto::TrackedObject::ProcessType AsProtobufProcessType(
 179     int process_type) {
 180   switch (process_type) {
 181     case content::PROCESS_TYPE_BROWSER:
 182       return ProfilerEventProto::TrackedObject::BROWSER;
 183     case content::PROCESS_TYPE_RENDERER:
 184       return ProfilerEventProto::TrackedObject::RENDERER;
 185     case content::PROCESS_TYPE_PLUGIN:
 186       return ProfilerEventProto::TrackedObject::PLUGIN;
 187     case content::PROCESS_TYPE_WORKER:
 188       return ProfilerEventProto::TrackedObject::WORKER;
 189     case content::PROCESS_TYPE_UTILITY:
 190       return ProfilerEventProto::TrackedObject::UTILITY;
 191     case content::PROCESS_TYPE_ZYGOTE:
 192       return ProfilerEventProto::TrackedObject::ZYGOTE;
 193     case content::PROCESS_TYPE_SANDBOX_HELPER:
 194       return ProfilerEventProto::TrackedObject::SANDBOX_HELPER;
 195     case content::PROCESS_TYPE_GPU:
 196       return ProfilerEventProto::TrackedObject::GPU;
 197     case content::PROCESS_TYPE_PPAPI_PLUGIN:
 198       return ProfilerEventProto::TrackedObject::PPAPI_PLUGIN;
 199     case content::PROCESS_TYPE_PPAPI_BROKER:
 200       return ProfilerEventProto::TrackedObject::PPAPI_BROKER;
 201     case PROCESS_TYPE_NACL_LOADER:
 202       return ProfilerEventProto::TrackedObject::NACL_LOADER;
 203     case PROCESS_TYPE_NACL_BROKER:
 204       return ProfilerEventProto::TrackedObject::NACL_BROKER;
 205     default:
 206       NOTREACHED();
 207       return ProfilerEventProto::TrackedObject::UNKNOWN;
 208   }
 209 }
 210
 211 // Computes a SHA-1 hash of |data| and returns it as a hex string.
 212 std::string ComputeSHA1(const std::string& data) {
 213   const std::string sha1 = base::SHA1HashString(data);
 214   return base::HexEncode(sha1.data(), sha1.size());
 215 }
 216
 217 #if defined(ENABLE_PLUGINS)
 218 // Returns the plugin preferences corresponding for this user, if available.
 219 // If multiple user profiles are loaded, returns the preferences corresponding
 220 // to an arbitrary one of the profiles.
 221 PluginPrefs* GetPluginPrefs() {
 222   ProfileManager* profile_manager = g_browser_process->profile_manager();
 223
 224   if (!profile_manager) {
 225     // The profile manager can be NULL when testing.
 226     return NULL;
 227   }
 228
 229   std::vector<Profile*> profiles = profile_manager->GetLoadedProfiles();
 230   if (profiles.empty())
 231     return NULL;
 232
 233   return PluginPrefs::GetForProfile(profiles.front()).get();
 234 }
 235
 236 // Fills |plugin| with the info contained in |plugin_info| and |plugin_prefs|.
 237 void SetPluginInfo(const content::WebPluginInfo& plugin_info,
 238                    const PluginPrefs* plugin_prefs,
 239                    SystemProfileProto::Plugin* plugin) {
 240   plugin->set_name(base::UTF16ToUTF8(plugin_info.name));
 241   plugin->set_filename(plugin_info.path.BaseName().AsUTF8Unsafe());
 242   plugin->set_version(base::UTF16ToUTF8(plugin_info.version));
 243   plugin->set_is_pepper(plugin_info.is_pepper_plugin());
 244   if (plugin_prefs)
 245     plugin->set_is_disabled(!plugin_prefs->IsPluginEnabled(plugin_info));
 246 }
 247 #endif  // defined(ENABLE_PLUGINS)
 248
 249 void WriteFieldTrials(const std::vector<ActiveGroupId>& field_trial_ids,
 250                       SystemProfileProto* system_profile) {
 251   for (std::vector<ActiveGroupId>::const_iterator it =
 252        field_trial_ids.begin(); it != field_trial_ids.end(); ++it) {
 253     SystemProfileProto::FieldTrial* field_trial =
 254         system_profile->add_field_trial();
 255     field_trial->set_name_id(it->name);
 256     field_trial->set_group_id(it->group);
 257   }
 258 }
 259
 260 // Maps a thread name by replacing trailing sequence of digits with "*".
 261 // Examples:
 262 // 1. "BrowserBlockingWorker1/23857" => "BrowserBlockingWorker1/*"
 263 // 2. "Chrome_IOThread" => "Chrome_IOThread"
 264 std::string MapThreadName(const std::string& thread_name) {
 265   size_t i = thread_name.length();
 266
 267   while (i > 0 && isdigit(thread_name[i - 1])) {
 268     --i;
 269   }
 270
 271   if (i == thread_name.length())
 272     return thread_name;
 273
 274   return thread_name.substr(0, i) + '*';
 275 }
 276
 277 void WriteProfilerData(const ProcessDataSnapshot& profiler_data,
 278                        int process_type,
 279                        ProfilerEventProto* performance_profile) {
 280   for (std::vector<tracked_objects::TaskSnapshot>::const_iterator it =
 281            profiler_data.tasks.begin();
 282        it != profiler_data.tasks.end(); ++it) {
 283     const tracked_objects::DeathDataSnapshot& death_data = it->death_data;
 284     ProfilerEventProto::TrackedObject* tracked_object =
 285         performance_profile->add_tracked_object();
 286     tracked_object->set_birth_thread_name_hash(
 287         MetricsLogBase::Hash(MapThreadName(it->birth.thread_name)));
 288     tracked_object->set_exec_thread_name_hash(
 289         MetricsLogBase::Hash(MapThreadName(it->death_thread_name)));
 290     tracked_object->set_source_file_name_hash(
 291         MetricsLogBase::Hash(it->birth.location.file_name));
 292     tracked_object->set_source_function_name_hash(
 293         MetricsLogBase::Hash(it->birth.location.function_name));
 294     tracked_object->set_source_line_number(it->birth.location.line_number);
 295     tracked_object->set_exec_count(death_data.count);
 296     tracked_object->set_exec_time_total(death_data.run_duration_sum);
 297     tracked_object->set_exec_time_sampled(death_data.run_duration_sample);
 298     tracked_object->set_queue_time_total(death_data.queue_duration_sum);
 299     tracked_object->set_queue_time_sampled(death_data.queue_duration_sample);
 300     tracked_object->set_process_type(AsProtobufProcessType(process_type));
 301     tracked_object->set_process_id(profiler_data.process_id);
 302   }
 303 }
 304
 305 #if defined(GOOGLE_CHROME_BUILD) && defined(OS_WIN)
 306 void ProductDataToProto(const GoogleUpdateSettings::ProductData& product_data,
 307                         ProductInfo* product_info) {
 308   product_info->set_version(product_data.version);
 309   product_info->set_last_update_success_timestamp(
 310       product_data.last_success.ToTimeT());
 311   product_info->set_last_error(product_data.last_error_code);
 312   product_info->set_last_extra_error(product_data.last_extra_code);
 313   if (ProductInfo::InstallResult_IsValid(product_data.last_result)) {
 314     product_info->set_last_result(
 315         static_cast<ProductInfo::InstallResult>(product_data.last_result));
 316   }
 317 }
 318 #endif
 319
 320 #if defined(OS_WIN)
 321 struct ScreenDPIInformation {
 322   double max_dpi_x;
 323   double max_dpi_y;
 324 };
 325
 326 // Called once for each connected monitor.
 327 BOOL CALLBACK GetMonitorDPICallback(HMONITOR, HDC hdc, LPRECT, LPARAM dwData) {
 328   const double kMillimetersPerInch = 25.4;
 329   ScreenDPIInformation* screen_info =
 330       reinterpret_cast<ScreenDPIInformation*>(dwData);
 331   // Size of screen, in mm.
 332   DWORD size_x = GetDeviceCaps(hdc, HORZSIZE);
 333   DWORD size_y = GetDeviceCaps(hdc, VERTSIZE);
 334   double dpi_x = (size_x > 0) ?
 335       GetDeviceCaps(hdc, HORZRES) / (size_x / kMillimetersPerInch) : 0;
 336   double dpi_y = (size_y > 0) ?
 337       GetDeviceCaps(hdc, VERTRES) / (size_y / kMillimetersPerInch) : 0;
 338   screen_info->max_dpi_x = std::max(dpi_x, screen_info->max_dpi_x);
 339   screen_info->max_dpi_y = std::max(dpi_y, screen_info->max_dpi_y);
 340   return TRUE;
 341 }
 342
 343 void WriteScreenDPIInformationProto(SystemProfileProto::Hardware* hardware) {
 344   HDC desktop_dc = GetDC(NULL);
 345   if (desktop_dc) {
 346     ScreenDPIInformation si = {0, 0};
 347     if (EnumDisplayMonitors(desktop_dc, NULL, GetMonitorDPICallback,
 348             reinterpret_cast<LPARAM>(&si))) {
 349       hardware->set_max_dpi_x(si.max_dpi_x);
 350       hardware->set_max_dpi_y(si.max_dpi_y);
 351     }
 352     ReleaseDC(GetDesktopWindow(), desktop_dc);
 353   }
 354 }
 355
 356 #endif  // defined(OS_WIN)
 357
 358 // Round a timestamp measured in seconds since epoch to one with a granularity
 359 // of an hour. This can be used before uploaded potentially sensitive
 360 // timestamps.
 361 int64 RoundSecondsToHour(int64 time_in_seconds) {
 362   return 3600 * (time_in_seconds / 3600);
 363 }
 364
 365 }  // namespace
 366
 367 GoogleUpdateMetrics::GoogleUpdateMetrics() : is_system_install(false) {}
 368
 369 GoogleUpdateMetrics::~GoogleUpdateMetrics() {}
 370
 371 static base::LazyInstance<std::string>::Leaky
 372     g_version_extension = LAZY_INSTANCE_INITIALIZER;
 373
 374 MetricsLog::MetricsLog(const std::string& client_id, int session_id)
 375     : MetricsLogBase(client_id, session_id, MetricsLog::GetVersionString()),
 376       creation_time_(base::TimeTicks::Now()) {
 377 #if defined(OS_CHROMEOS)
 378   metrics_log_chromeos_.reset(new MetricsLogChromeOS(uma_proto()));
 379 #endif  // OS_CHROMEOS
 380 }
 381
 382 MetricsLog::~MetricsLog() {}
 383
 384 // static
 385 void MetricsLog::RegisterPrefs(PrefRegistrySimple* registry) {
 386   registry->RegisterListPref(prefs::kStabilityPluginStats);
 387 }
 388
 389 // static
 390 std::string MetricsLog::GetVersionString() {
 391   chrome::VersionInfo version_info;
 392   if (!version_info.is_valid()) {
 393     NOTREACHED() << "Unable to retrieve version info.";
 394     return std::string();
 395   }
 396
 397   std::string version = version_info.Version();
 398   if (!version_extension().empty())
 399     version += version_extension();
 400   if (!version_info.IsOfficialBuild())
 401     version.append("-devel");
 402   return version;
 403 }
 404
 405 // static
 406 void MetricsLog::set_version_extension(const std::string& extension) {
 407   g_version_extension.Get() = extension;
 408 }
 409
 410 // static
 411 const std::string& MetricsLog::version_extension() {
 412   return g_version_extension.Get();
 413 }
 414
 415 void MetricsLog::RecordStabilityMetrics(
 416     base::TimeDelta incremental_uptime,
 417     LogType log_type) {
 418   DCHECK_NE(NO_LOG, log_type);
 419   DCHECK(!locked());
 420   DCHECK(HasEnvironment());
 421   DCHECK(!HasStabilityMetrics());
 422
 423   PrefService* pref = GetPrefService();
 424   DCHECK(pref);
 425
 426   // Get stability attributes out of Local State, zeroing out stored values.
 427   // NOTE: This could lead to some data loss if this report isn't successfully
 428   //       sent, but that's true for all the metrics.
 429
 430   WriteRequiredStabilityAttributes(pref);
 431   WritePluginStabilityElements(pref);
 432
 433   // Record recent delta for critical stability metrics.  We can't wait for a
 434   // restart to gather these, as that delay biases our observation away from
 435   // users that run happily for a looooong time.  We send increments with each
 436   // uma log upload, just as we send histogram data.
 437   WriteRealtimeStabilityAttributes(pref, incremental_uptime);
 438
 439   // Omit some stats unless this is the initial stability log.
 440   if (log_type != INITIAL_LOG)
 441     return;
 442
 443   int incomplete_shutdown_count =
 444       pref->GetInteger(prefs::kStabilityIncompleteSessionEndCount);
 445   pref->SetInteger(prefs::kStabilityIncompleteSessionEndCount, 0);
 446   int breakpad_registration_success_count =
 447       pref->GetInteger(prefs::kStabilityBreakpadRegistrationSuccess);
 448   pref->SetInteger(prefs::kStabilityBreakpadRegistrationSuccess, 0);
 449   int breakpad_registration_failure_count =
 450       pref->GetInteger(prefs::kStabilityBreakpadRegistrationFail);
 451   pref->SetInteger(prefs::kStabilityBreakpadRegistrationFail, 0);
 452   int debugger_present_count =
 453       pref->GetInteger(prefs::kStabilityDebuggerPresent);
 454   pref->SetInteger(prefs::kStabilityDebuggerPresent, 0);
 455   int debugger_not_present_count =
 456       pref->GetInteger(prefs::kStabilityDebuggerNotPresent);
 457   pref->SetInteger(prefs::kStabilityDebuggerNotPresent, 0);
 458
 459   // TODO(jar): The following are all optional, so we *could* optimize them for
 460   // values of zero (and not include them).
 461   SystemProfileProto::Stability* stability =
 462       uma_proto()->mutable_system_profile()->mutable_stability();
 463   stability->set_incomplete_shutdown_count(incomplete_shutdown_count);
 464   stability->set_breakpad_registration_success_count(
 465       breakpad_registration_success_count);
 466   stability->set_breakpad_registration_failure_count(
 467       breakpad_registration_failure_count);
 468   stability->set_debugger_present_count(debugger_present_count);
 469   stability->set_debugger_not_present_count(debugger_not_present_count);
 470 }
 471
 472 PrefService* MetricsLog::GetPrefService() {
 473   return g_browser_process->local_state();
 474 }
 475
 476 gfx::Size MetricsLog::GetScreenSize() const {
 477   return gfx::Screen::GetNativeScreen()->GetPrimaryDisplay().GetSizeInPixel();
 478 }
 479
 480 float MetricsLog::GetScreenDeviceScaleFactor() const {
 481   return gfx::Screen::GetNativeScreen()->
 482       GetPrimaryDisplay().device_scale_factor();
 483 }
 484
 485 int MetricsLog::GetScreenCount() const {
 486   // TODO(scottmg): NativeScreen maybe wrong. http://crbug.com/133312
 487   return gfx::Screen::GetNativeScreen()->GetNumDisplays();
 488 }
 489
 490 void MetricsLog::GetFieldTrialIds(
 491     std::vector<ActiveGroupId>* field_trial_ids) const {
 492   chrome_variations::GetFieldTrialActiveGroupIds(field_trial_ids);
 493 }
 494
 495 bool MetricsLog::HasEnvironment() const {
 496   return uma_proto()->system_profile().has_uma_enabled_date();
 497 }
 498
 499 bool MetricsLog::HasStabilityMetrics() const {
 500   return uma_proto()->system_profile().stability().has_launch_count();
 501 }
 502
 503 void MetricsLog::WritePluginStabilityElements(PrefService* pref) {
 504   // Now log plugin stability info.
 505   const base::ListValue* plugin_stats_list = pref->GetList(
 506       prefs::kStabilityPluginStats);
 507   if (!plugin_stats_list)
 508     return;
 509
 510 #if defined(ENABLE_PLUGINS)
 511   SystemProfileProto::Stability* stability =
 512       uma_proto()->mutable_system_profile()->mutable_stability();
 513   for (base::ListValue::const_iterator iter = plugin_stats_list->begin();
 514        iter != plugin_stats_list->end(); ++iter) {
 515     if (!(*iter)->IsType(base::Value::TYPE_DICTIONARY)) {
 516       NOTREACHED();
 517       continue;
 518     }
 519     base::DictionaryValue* plugin_dict =
 520         static_cast<base::DictionaryValue*>(*iter);
 521
 522     // Note that this search is potentially a quadratic operation, but given the
 523     // low number of plugins installed on a "reasonable" setup, this should be
 524     // fine.
 525     // TODO(isherman): Verify that this does not show up as a hotspot in
 526     // profiler runs.
 527     const SystemProfileProto::Plugin* system_profile_plugin = NULL;
 528     std::string plugin_name;
 529     plugin_dict->GetString(prefs::kStabilityPluginName, &plugin_name);
 530     const SystemProfileProto& system_profile = uma_proto()->system_profile();
 531     for (int i = 0; i < system_profile.plugin_size(); ++i) {
 532       if (system_profile.plugin(i).name() == plugin_name) {
 533         system_profile_plugin = &system_profile.plugin(i);
 534         break;
 535       }
 536     }
 537
 538     if (!system_profile_plugin) {
 539       NOTREACHED();
 540       continue;
 541     }
 542
 543     SystemProfileProto::Stability::PluginStability* plugin_stability =
 544         stability->add_plugin_stability();
 545     *plugin_stability->mutable_plugin() = *system_profile_plugin;
 546
 547     int launches = 0;
 548     plugin_dict->GetInteger(prefs::kStabilityPluginLaunches, &launches);
 549     if (launches > 0)
 550       plugin_stability->set_launch_count(launches);
 551
 552     int instances = 0;
 553     plugin_dict->GetInteger(prefs::kStabilityPluginInstances, &instances);
 554     if (instances > 0)
 555       plugin_stability->set_instance_count(instances);
 556
 557     int crashes = 0;
 558     plugin_dict->GetInteger(prefs::kStabilityPluginCrashes, &crashes);
 559     if (crashes > 0)
 560       plugin_stability->set_crash_count(crashes);
 561
 562     int loading_errors = 0;
 563     plugin_dict->GetInteger(prefs::kStabilityPluginLoadingErrors,
 564                             &loading_errors);
 565     if (loading_errors > 0)
 566       plugin_stability->set_loading_error_count(loading_errors);
 567   }
 568 #endif  // defined(ENABLE_PLUGINS)
 569
 570   pref->ClearPref(prefs::kStabilityPluginStats);
 571 }
 572
 573 // The server refuses data that doesn't have certain values.  crashcount and
 574 // launchcount are currently "required" in the "stability" group.
 575 // TODO(isherman): Stop writing these attributes specially once the migration to
 576 // protobufs is complete.
 577 void MetricsLog::WriteRequiredStabilityAttributes(PrefService* pref) {
 578   int launch_count = pref->GetInteger(prefs::kStabilityLaunchCount);
 579   pref->SetInteger(prefs::kStabilityLaunchCount, 0);
 580   int crash_count = pref->GetInteger(prefs::kStabilityCrashCount);
 581   pref->SetInteger(prefs::kStabilityCrashCount, 0);
 582
 583   SystemProfileProto::Stability* stability =
 584       uma_proto()->mutable_system_profile()->mutable_stability();
 585   stability->set_launch_count(launch_count);
 586   stability->set_crash_count(crash_count);
 587 }
 588
 589 void MetricsLog::WriteRealtimeStabilityAttributes(
 590     PrefService* pref,
 591     base::TimeDelta incremental_uptime) {
 592   // Update the stats which are critical for real-time stability monitoring.
 593   // Since these are "optional," only list ones that are non-zero, as the counts
 594   // are aggregated (summed) server side.
 595
 596   SystemProfileProto::Stability* stability =
 597       uma_proto()->mutable_system_profile()->mutable_stability();
 598   int count = pref->GetInteger(prefs::kStabilityPageLoadCount);
 599   if (count) {
 600     stability->set_page_load_count(count);
 601     pref->SetInteger(prefs::kStabilityPageLoadCount, 0);
 602   }
 603
 604   count = pref->GetInteger(prefs::kStabilityRendererCrashCount);
 605   if (count) {
 606     stability->set_renderer_crash_count(count);
 607     pref->SetInteger(prefs::kStabilityRendererCrashCount, 0);
 608   }
 609
 610   count = pref->GetInteger(prefs::kStabilityExtensionRendererCrashCount);
 611   if (count) {
 612     stability->set_extension_renderer_crash_count(count);
 613     pref->SetInteger(prefs::kStabilityExtensionRendererCrashCount, 0);
 614   }
 615
 616   count = pref->GetInteger(prefs::kStabilityRendererHangCount);
 617   if (count) {
 618     stability->set_renderer_hang_count(count);
 619     pref->SetInteger(prefs::kStabilityRendererHangCount, 0);
 620   }
 621
 622   count = pref->GetInteger(prefs::kStabilityChildProcessCrashCount);
 623   if (count) {
 624     stability->set_child_process_crash_count(count);
 625     pref->SetInteger(prefs::kStabilityChildProcessCrashCount, 0);
 626   }
 627
 628 #if defined(OS_CHROMEOS)
 629   metrics_log_chromeos_->WriteRealtimeStabilityAttributes(pref);
 630 #endif  // OS_CHROMEOS
 631
 632   const uint64 uptime_sec = incremental_uptime.InSeconds();
 633   if (uptime_sec)
 634     stability->set_uptime_sec(uptime_sec);
 635 }
 636
 637 void MetricsLog::WritePluginList(
 638     const std::vector<content::WebPluginInfo>& plugin_list) {
 639   DCHECK(!locked());
 640
 641 #if defined(ENABLE_PLUGINS)
 642   PluginPrefs* plugin_prefs = GetPluginPrefs();
 643   SystemProfileProto* system_profile = uma_proto()->mutable_system_profile();
 644   for (std::vector<content::WebPluginInfo>::const_iterator iter =
 645            plugin_list.begin();
 646        iter != plugin_list.end(); ++iter) {
 647     SystemProfileProto::Plugin* plugin = system_profile->add_plugin();
 648     SetPluginInfo(*iter, plugin_prefs, plugin);
 649   }
 650 #endif  // defined(ENABLE_PLUGINS)
 651 }
 652
 653 void MetricsLog::RecordEnvironment(
 654     const std::vector<content::WebPluginInfo>& plugin_list,
 655     const GoogleUpdateMetrics& google_update_metrics,
 656     const std::vector<chrome_variations::ActiveGroupId>& synthetic_trials) {
 657   DCHECK(!HasEnvironment());
 658
 659   SystemProfileProto* system_profile = uma_proto()->mutable_system_profile();
 660
 661   std::string brand_code;
 662   if (google_util::GetBrand(&brand_code))
 663     system_profile->set_brand_code(brand_code);
 664
 665   int enabled_date;
 666   bool success = base::StringToInt(GetMetricsEnabledDate(GetPrefService()),
 667                                    &enabled_date);
 668   DCHECK(success);
 669
 670   // Reduce granularity of the enabled_date field to nearest hour.
 671   system_profile->set_uma_enabled_date(RoundSecondsToHour(enabled_date));
 672
 673   int64 install_date = GetPrefService()->GetInt64(prefs::kInstallDate);
 674
 675   // Reduce granularity of the install_date field to nearest hour.
 676   system_profile->set_install_date(RoundSecondsToHour(install_date));
 677
 678   system_profile->set_application_locale(
 679       g_browser_process->GetApplicationLocale());
 680
 681   SystemProfileProto::Hardware* hardware = system_profile->mutable_hardware();
 682   hardware->set_cpu_architecture(base::SysInfo::OperatingSystemArchitecture());
 683   hardware->set_system_ram_mb(base::SysInfo::AmountOfPhysicalMemoryMB());
 684 #if defined(OS_WIN)
 685   hardware->set_dll_base(reinterpret_cast<uint64>(&__ImageBase));
 686 #endif
 687
 688   SystemProfileProto::Network* network = system_profile->mutable_network();
 689   network->set_connection_type_is_ambiguous(
 690       network_observer_.connection_type_is_ambiguous());
 691   network->set_connection_type(network_observer_.connection_type());
 692   network->set_wifi_phy_layer_protocol_is_ambiguous(
 693       network_observer_.wifi_phy_layer_protocol_is_ambiguous());
 694   network->set_wifi_phy_layer_protocol(
 695       network_observer_.wifi_phy_layer_protocol());
 696   network_observer_.Reset();
 697
 698   SystemProfileProto::OS* os = system_profile->mutable_os();
 699   std::string os_name = base::SysInfo::OperatingSystemName();
 700 #if defined(OS_WIN)
 701   // TODO(mad): This only checks whether the main process is a Metro process at
 702   // upload time; not whether the collected metrics were all gathered from
 703   // Metro.  This is ok as an approximation for now, since users will rarely be
 704   // switching from Metro to Desktop mode; but we should re-evaluate whether we
 705   // can distinguish metrics more cleanly in the future: http://crbug.com/140568
 706   if (base::win::IsMetroProcess())
 707     os_name += " (Metro)";
 708 #endif
 709   os->set_name(os_name);
 710   os->set_version(base::SysInfo::OperatingSystemVersion());
 711 #if defined(OS_ANDROID)
 712   os->set_fingerprint(
 713       base::android::BuildInfo::GetInstance()->android_build_fp());
 714 #endif
 715
 716   base::CPU cpu_info;
 717   SystemProfileProto::Hardware::CPU* cpu = hardware->mutable_cpu();
 718   cpu->set_vendor_name(cpu_info.vendor_name());
 719   cpu->set_signature(cpu_info.signature());
 720
 721   const gpu::GPUInfo& gpu_info =
 722       GpuDataManager::GetInstance()->GetGPUInfo();
 723   SystemProfileProto::Hardware::Graphics* gpu = hardware->mutable_gpu();
 724   gpu->set_vendor_id(gpu_info.gpu.vendor_id);
 725   gpu->set_device_id(gpu_info.gpu.device_id);
 726   gpu->set_driver_version(gpu_info.driver_version);
 727   gpu->set_driver_date(gpu_info.driver_date);
 728   SystemProfileProto::Hardware::Graphics::PerformanceStatistics*
 729       gpu_performance = gpu->mutable_performance_statistics();
 730   gpu_performance->set_graphics_score(gpu_info.performance_stats.graphics);
 731   gpu_performance->set_gaming_score(gpu_info.performance_stats.gaming);
 732   gpu_performance->set_overall_score(gpu_info.performance_stats.overall);
 733   gpu->set_gl_vendor(gpu_info.gl_vendor);
 734   gpu->set_gl_renderer(gpu_info.gl_renderer);
 735
 736   const gfx::Size display_size = GetScreenSize();
 737   hardware->set_primary_screen_width(display_size.width());
 738   hardware->set_primary_screen_height(display_size.height());
 739   hardware->set_primary_screen_scale_factor(GetScreenDeviceScaleFactor());
 740   hardware->set_screen_count(GetScreenCount());
 741
 742 #if defined(OS_WIN)
 743   WriteScreenDPIInformationProto(hardware);
 744 #endif
 745
 746   WriteGoogleUpdateProto(google_update_metrics);
 747
 748   WritePluginList(plugin_list);
 749
 750   std::vector<ActiveGroupId> field_trial_ids;
 751   GetFieldTrialIds(&field_trial_ids);
 752   WriteFieldTrials(field_trial_ids, system_profile);
 753   WriteFieldTrials(synthetic_trials, system_profile);
 754
 755 #if defined(OS_CHROMEOS)
 756   metrics_log_chromeos_->LogChromeOSMetrics();
 757 #endif  // OS_CHROMEOS
 758
 759   std::string serialied_system_profile;
 760   std::string base64_system_profile;
 761   if (system_profile->SerializeToString(&serialied_system_profile)) {
 762     base::Base64Encode(serialied_system_profile, &base64_system_profile);
 763     PrefService* local_state = GetPrefService();
 764     local_state->SetString(prefs::kStabilitySavedSystemProfile,
 765                            base64_system_profile);
 766     local_state->SetString(prefs::kStabilitySavedSystemProfileHash,
 767                            ComputeSHA1(serialied_system_profile));
 768   }
 769 }
 770
 771 bool MetricsLog::LoadSavedEnvironmentFromPrefs() {
 772   PrefService* local_state = GetPrefService();
 773   const std::string base64_system_profile =
 774       local_state->GetString(prefs::kStabilitySavedSystemProfile);
 775   if (base64_system_profile.empty())
 776     return false;
 777
 778   const std::string system_profile_hash =
 779       local_state->GetString(prefs::kStabilitySavedSystemProfileHash);
 780   local_state->ClearPref(prefs::kStabilitySavedSystemProfile);
 781   local_state->ClearPref(prefs::kStabilitySavedSystemProfileHash);
 782
 783   SystemProfileProto* system_profile = uma_proto()->mutable_system_profile();
 784   std::string serialied_system_profile;
 785   return base::Base64Decode(base64_system_profile, &serialied_system_profile) &&
 786          ComputeSHA1(serialied_system_profile) == system_profile_hash &&
 787          system_profile->ParseFromString(serialied_system_profile);
 788 }
 789
 790 void MetricsLog::RecordProfilerData(
 791     const tracked_objects::ProcessDataSnapshot& process_data,
 792     int process_type) {
 793   DCHECK(!locked());
 794
 795   if (tracked_objects::GetTimeSourceType() !=
 796           tracked_objects::TIME_SOURCE_TYPE_WALL_TIME) {
 797     // We currently only support the default time source, wall clock time.
 798     return;
 799   }
 800
 801   ProfilerEventProto* profile;
 802   if (!uma_proto()->profiler_event_size()) {
 803     // For the first process's data, add a new field to the protocol buffer.
 804     profile = uma_proto()->add_profiler_event();
 805     profile->set_profile_type(ProfilerEventProto::STARTUP_PROFILE);
 806     profile->set_time_source(ProfilerEventProto::WALL_CLOCK_TIME);
 807   } else {
 808     // For the remaining calls, re-use the existing field.
 809     profile = uma_proto()->mutable_profiler_event(0);
 810   }
 811
 812   WriteProfilerData(process_data, process_type, profile);
 813 }
 814
 815 void MetricsLog::RecordOmniboxOpenedURL(const OmniboxLog& log) {
 816   DCHECK(!locked());
 817
 818   std::vector<base::string16> terms;
 819   const int num_terms =
 820       static_cast<int>(Tokenize(log.text, base::kWhitespaceUTF16, &terms));
 821
 822   OmniboxEventProto* omnibox_event = uma_proto()->add_omnibox_event();
 823   omnibox_event->set_time(MetricsLogBase::GetCurrentTime());
 824   if (log.tab_id != -1) {
 825     // If we know what tab the autocomplete URL was opened in, log it.
 826     omnibox_event->set_tab_id(log.tab_id);
 827   }
 828   omnibox_event->set_typed_length(log.text.length());
 829   omnibox_event->set_just_deleted_text(log.just_deleted_text);
 830   omnibox_event->set_num_typed_terms(num_terms);
 831   omnibox_event->set_selected_index(log.selected_index);
 832   if (log.completed_length != base::string16::npos)
 833     omnibox_event->set_completed_length(log.completed_length);
 834   if (log.elapsed_time_since_user_first_modified_omnibox !=
 835       base::TimeDelta::FromMilliseconds(-1)) {
 836     // Only upload the typing duration if it is set/valid.
 837     omnibox_event->set_typing_duration_ms(
 838         log.elapsed_time_since_user_first_modified_omnibox.InMilliseconds());
 839   }
 840   omnibox_event->set_duration_since_last_default_match_update_ms(
 841       log.elapsed_time_since_last_change_to_default_match.InMilliseconds());
 842   omnibox_event->set_current_page_classification(
 843       AsOmniboxEventPageClassification(log.current_page_classification));
 844   omnibox_event->set_input_type(AsOmniboxEventInputType(log.input_type));
 845   omnibox_event->set_is_top_result_hidden_in_dropdown(
 846       log.result.ShouldHideTopMatch());
 847
 848   for (AutocompleteResult::const_iterator i(log.result.begin());
 849        i != log.result.end(); ++i) {
 850     OmniboxEventProto::Suggestion* suggestion = omnibox_event->add_suggestion();
 851     suggestion->set_provider(i->provider->AsOmniboxEventProviderType());
 852     suggestion->set_result_type(AsOmniboxEventResultType(i->type));
 853     suggestion->set_relevance(i->relevance);
 854     if (i->typed_count != -1)
 855       suggestion->set_typed_count(i->typed_count);
 856     suggestion->set_is_starred(i->starred);
 857   }
 858   for (ProvidersInfo::const_iterator i(log.providers_info.begin());
 859        i != log.providers_info.end(); ++i) {
 860     OmniboxEventProto::ProviderInfo* provider_info =
 861         omnibox_event->add_provider_info();
 862     provider_info->CopyFrom(*i);
 863   }
 864
 865   ++num_events_;
 866 }
 867
 868 void MetricsLog::WriteGoogleUpdateProto(
 869     const GoogleUpdateMetrics& google_update_metrics) {
 870 #if defined(GOOGLE_CHROME_BUILD) && defined(OS_WIN)
 871   SystemProfileProto::GoogleUpdate* google_update =
 872       uma_proto()->mutable_system_profile()->mutable_google_update();
 873
 874   google_update->set_is_system_install(google_update_metrics.is_system_install);
 875
 876   if (!google_update_metrics.last_started_au.is_null()) {
 877     google_update->set_last_automatic_start_timestamp(
 878         google_update_metrics.last_started_au.ToTimeT());
 879   }
 880
 881   if (!google_update_metrics.last_checked.is_null()) {
 882     google_update->set_last_update_check_timestamp(
 883       google_update_metrics.last_checked.ToTimeT());
 884   }
 885
 886   if (!google_update_metrics.google_update_data.version.empty()) {
 887     ProductDataToProto(google_update_metrics.google_update_data,
 888                        google_update->mutable_google_update_status());
 889   }
 890
 891   if (!google_update_metrics.product_data.version.empty()) {
 892     ProductDataToProto(google_update_metrics.product_data,
 893                        google_update->mutable_client_status());
 894   }
 895 #endif  // defined(GOOGLE_CHROME_BUILD) && defined(OS_WIN)
 896 }