209 lines
7.1 KiB
C++
209 lines
7.1 KiB
C++
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// Copyright 2017 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "components/metrics/stability_metrics_provider.h"
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#include <string>
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#include "base/logging.h"
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#include "base/metrics/histogram_macros.h"
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#include "build/build_config.h"
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#include "components/metrics/metrics_pref_names.h"
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#include "components/metrics/stability_metrics_helper.h"
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#include "components/prefs/pref_registry_simple.h"
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#include "components/prefs/pref_service.h"
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#include "components/prefs/scoped_user_pref_update.h"
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#include "third_party/metrics_proto/system_profile.pb.h"
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#if BUILDFLAG(IS_ANDROID)
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#include "base/android/build_info.h"
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#endif
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#if BUILDFLAG(IS_WIN)
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#include "components/metrics/system_session_analyzer/system_session_analyzer_win.h"
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#endif
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namespace metrics {
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namespace {
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#if BUILDFLAG(IS_ANDROID)
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bool HasGmsCoreVersionChanged(PrefService* local_state) {
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std::string previous_version =
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local_state->GetString(prefs::kStabilityGmsCoreVersion);
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std::string current_version =
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base::android::BuildInfo::GetInstance()->gms_version_code();
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// If the last version is empty, treat it as consistent.
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if (previous_version.empty())
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return false;
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return previous_version != current_version;
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}
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void UpdateGmsCoreVersionPref(PrefService* local_state) {
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std::string current_version =
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base::android::BuildInfo::GetInstance()->gms_version_code();
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local_state->SetString(prefs::kStabilityGmsCoreVersion, current_version);
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}
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#endif
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} // namespace
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StabilityMetricsProvider::StabilityMetricsProvider(PrefService* local_state)
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: local_state_(local_state) {}
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StabilityMetricsProvider::~StabilityMetricsProvider() = default;
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// static
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void StabilityMetricsProvider::RegisterPrefs(PrefRegistrySimple* registry) {
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registry->RegisterIntegerPref(prefs::kStabilityFileMetricsUnsentFilesCount,
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0);
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registry->RegisterIntegerPref(prefs::kStabilityFileMetricsUnsentSamplesCount,
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0);
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#if BUILDFLAG(IS_ANDROID)
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registry->RegisterIntegerPref(prefs::kStabilityLaunchCount, 0);
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registry->RegisterStringPref(prefs::kStabilityGmsCoreVersion, "");
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registry->RegisterIntegerPref(prefs::kStabilityCrashCountDueToGmsCoreUpdate,
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0);
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#endif
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#if BUILDFLAG(IS_WIN)
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registry->RegisterIntegerPref(prefs::kStabilitySystemCrashCount, 0);
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#endif
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}
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void StabilityMetricsProvider::Init() {
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#if BUILDFLAG(IS_ANDROID)
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// This method has to be called after HasGmsCoreVersionChanged() to avoid
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// overwriting thie result.
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UpdateGmsCoreVersionPref(local_state_);
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#endif
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}
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void StabilityMetricsProvider::ClearSavedStabilityMetrics() {
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// The 0 is a valid value for the below prefs, clears pref instead
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// of setting to default value.
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local_state_->ClearPref(prefs::kStabilityFileMetricsUnsentFilesCount);
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local_state_->ClearPref(prefs::kStabilityFileMetricsUnsentSamplesCount);
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#if BUILDFLAG(IS_ANDROID)
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local_state_->SetInteger(prefs::kStabilityLaunchCount, 0);
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#endif
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#if BUILDFLAG(IS_WIN)
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local_state_->SetInteger(prefs::kStabilitySystemCrashCount, 0);
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#endif
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}
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void StabilityMetricsProvider::ProvideStabilityMetrics(
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SystemProfileProto* system_profile) {
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#if BUILDFLAG(IS_ANDROID)
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SystemProfileProto::Stability* stability =
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system_profile->mutable_stability();
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int pref_value = 0;
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if (GetAndClearPrefValue(prefs::kStabilityLaunchCount, &pref_value))
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stability->set_launch_count(pref_value);
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if (GetAndClearPrefValue(prefs::kStabilityCrashCountDueToGmsCoreUpdate,
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&pref_value)) {
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stability->set_crash_count_due_to_gms_core_update(pref_value);
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}
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#endif
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if (local_state_->HasPrefPath(prefs::kStabilityFileMetricsUnsentFilesCount)) {
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UMA_STABILITY_HISTOGRAM_COUNTS_100(
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"Stability.Internals.FileMetricsProvider.BrowserMetrics."
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"UnsentFilesCount",
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local_state_->GetInteger(prefs::kStabilityFileMetricsUnsentFilesCount));
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local_state_->ClearPref(prefs::kStabilityFileMetricsUnsentFilesCount);
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}
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if (local_state_->HasPrefPath(
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prefs::kStabilityFileMetricsUnsentSamplesCount)) {
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UMA_STABILITY_HISTOGRAM_CUSTOM_COUNTS(
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"Stability.Internals.FileMetricsProvider.BrowserMetrics."
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"UnsentSamplesCount",
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local_state_->GetInteger(
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prefs::kStabilityFileMetricsUnsentSamplesCount),
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0, 1000000, 50);
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local_state_->ClearPref(prefs::kStabilityFileMetricsUnsentSamplesCount);
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}
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#if BUILDFLAG(IS_WIN)
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int pref_value = 0;
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if (GetAndClearPrefValue(prefs::kStabilitySystemCrashCount, &pref_value)) {
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UMA_STABILITY_HISTOGRAM_COUNTS_100("Stability.Internals.SystemCrashCount",
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pref_value);
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}
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#endif
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}
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void StabilityMetricsProvider::LogCrash(base::Time last_live_timestamp) {
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#if BUILDFLAG(IS_ANDROID)
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// On Android, if there is an update for GMS Core when Chrome is running,
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// Chrome will be killed, counting as a crash. This is expected and should not
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// be counted in stability crash counts. Thus these crashes are added to a
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// specific bucket for crashes caused by GMS Core updates.
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if (HasGmsCoreVersionChanged(local_state_)) {
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IncrementPrefValue(prefs::kStabilityCrashCountDueToGmsCoreUpdate);
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return;
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}
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#endif
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StabilityMetricsHelper::RecordStabilityEvent(
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StabilityEventType::kBrowserCrash);
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#if BUILDFLAG(IS_WIN)
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MaybeLogSystemCrash(last_live_timestamp);
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#endif
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}
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void StabilityMetricsProvider::LogLaunch() {
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#if BUILDFLAG(IS_ANDROID)
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IncrementPrefValue(prefs::kStabilityLaunchCount);
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#endif
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StabilityMetricsHelper::RecordStabilityEvent(StabilityEventType::kLaunch);
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}
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#if BUILDFLAG(IS_WIN)
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bool StabilityMetricsProvider::IsUncleanSystemSession(
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base::Time last_live_timestamp) {
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DCHECK_NE(base::Time(), last_live_timestamp);
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// There's a non-null last live timestamp, see if this occurred in
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// a Windows system session that ended uncleanly. The expectation is that
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// |last_live_timestamp| will have occurred in the immediately previous system
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// session, but if the system has been restarted many times since Chrome last
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// ran, that's not necessarily true. Log traversal can be expensive, so we
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// limit the analyzer to reaching back three previous system sessions to bound
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// the cost of the traversal.
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SystemSessionAnalyzer analyzer(3);
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SystemSessionAnalyzer::Status status =
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analyzer.IsSessionUnclean(last_live_timestamp);
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return status == SystemSessionAnalyzer::UNCLEAN;
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}
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void StabilityMetricsProvider::MaybeLogSystemCrash(
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base::Time last_live_timestamp) {
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if (last_live_timestamp != base::Time() &&
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IsUncleanSystemSession(last_live_timestamp)) {
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IncrementPrefValue(prefs::kStabilitySystemCrashCount);
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}
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}
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#endif
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void StabilityMetricsProvider::IncrementPrefValue(const char* path) {
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int value = local_state_->GetInteger(path);
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local_state_->SetInteger(path, value + 1);
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}
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int StabilityMetricsProvider::GetAndClearPrefValue(const char* path,
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int* value) {
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*value = local_state_->GetInteger(path);
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if (*value != 0)
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local_state_->SetInteger(path, 0);
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return *value;
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}
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} // namespace metrics
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