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diff --git a/cmds/statsd/src/metrics/ValueMetricProducer.h b/cmds/statsd/src/metrics/ValueMetricProducer.h
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-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#pragma once
-
-#include <gtest/gtest_prod.h>
-#include "anomaly/AnomalyTracker.h"
-#include "condition/ConditionTimer.h"
-#include "condition/ConditionTracker.h"
-#include "external/PullDataReceiver.h"
-#include "external/StatsPullerManager.h"
-#include "matchers/EventMatcherWizard.h"
-#include "stats_log_util.h"
-#include "MetricProducer.h"
-#include "frameworks/base/cmds/statsd/src/statsd_config.pb.h"
-
-namespace android {
-namespace os {
-namespace statsd {
-
-struct ValueBucket {
- int64_t mBucketStartNs;
- int64_t mBucketEndNs;
- std::vector<int> valueIndex;
- std::vector<Value> values;
- // If the metric has no condition, then this field is just wasted.
- // When we tune statsd memory usage in the future, this is a candidate to optimize.
- int64_t mConditionTrueNs;
-};
-
-
-// Aggregates values within buckets.
-//
-// There are different events that might complete a bucket
-// - a condition change
-// - an app upgrade
-// - an alarm set to the end of the bucket
-class ValueMetricProducer : public virtual MetricProducer, public virtual PullDataReceiver {
-public:
- ValueMetricProducer(
- const ConfigKey& key, const ValueMetric& valueMetric, const int conditionIndex,
- const vector<ConditionState>& initialConditionCache,
- const sp<ConditionWizard>& conditionWizard, const int whatMatcherIndex,
- const sp<EventMatcherWizard>& matcherWizard, const int pullTagId,
- const int64_t timeBaseNs, const int64_t startTimeNs,
- const sp<StatsPullerManager>& pullerManager,
- const std::unordered_map<int, std::shared_ptr<Activation>>& eventActivationMap = {},
- const std::unordered_map<int, std::vector<std::shared_ptr<Activation>>>&
- eventDeactivationMap = {},
- const vector<int>& slicedStateAtoms = {},
- const unordered_map<int, unordered_map<int, int64_t>>& stateGroupMap = {});
-
- virtual ~ValueMetricProducer();
-
- // Process data pulled on bucket boundary.
- void onDataPulled(const std::vector<std::shared_ptr<LogEvent>>& data,
- bool pullSuccess, int64_t originalPullTimeNs) override;
-
- // ValueMetric needs special logic if it's a pulled atom.
- void notifyAppUpgrade(const int64_t& eventTimeNs) override {
- std::lock_guard<std::mutex> lock(mMutex);
- if (!mSplitBucketForAppUpgrade) {
- return;
- }
- if (mIsPulled && mCondition == ConditionState::kTrue) {
- pullAndMatchEventsLocked(eventTimeNs);
- }
- flushCurrentBucketLocked(eventTimeNs, eventTimeNs);
- };
-
- // ValueMetric needs special logic if it's a pulled atom.
- void onStatsdInitCompleted(const int64_t& eventTimeNs) override {
- std::lock_guard<std::mutex> lock(mMutex);
- if (mIsPulled && mCondition == ConditionState::kTrue) {
- pullAndMatchEventsLocked(eventTimeNs);
- }
- flushCurrentBucketLocked(eventTimeNs, eventTimeNs);
- };
-
- void onStateChanged(int64_t eventTimeNs, int32_t atomId, const HashableDimensionKey& primaryKey,
- const FieldValue& oldState, const FieldValue& newState) override;
-
-protected:
- void onMatchedLogEventInternalLocked(
- const size_t matcherIndex, const MetricDimensionKey& eventKey,
- const ConditionKey& conditionKey, bool condition, const LogEvent& event,
- const std::map<int, HashableDimensionKey>& statePrimaryKeys) override;
-
-private:
- void onDumpReportLocked(const int64_t dumpTimeNs,
- const bool include_current_partial_bucket,
- const bool erase_data,
- const DumpLatency dumpLatency,
- std::set<string> *str_set,
- android::util::ProtoOutputStream* protoOutput) override;
- void clearPastBucketsLocked(const int64_t dumpTimeNs) override;
-
- // Internal interface to handle active state change.
- void onActiveStateChangedLocked(const int64_t& eventTimeNs) override;
-
- // Internal interface to handle condition change.
- void onConditionChangedLocked(const bool conditionMet, const int64_t eventTime) override;
-
- // Internal interface to handle sliced condition change.
- void onSlicedConditionMayChangeLocked(bool overallCondition, const int64_t eventTime) override;
-
- // Internal function to calculate the current used bytes.
- size_t byteSizeLocked() const override;
-
- void dumpStatesLocked(FILE* out, bool verbose) const override;
-
- // For pulled metrics, this method should only be called if a pull has be done. Else we will
- // not have complete data for the bucket.
- void flushIfNeededLocked(const int64_t& eventTime) override;
-
- // For pulled metrics, this method should only be called if a pulled have be done. Else we will
- // not have complete data for the bucket.
- void flushCurrentBucketLocked(const int64_t& eventTimeNs,
- const int64_t& nextBucketStartTimeNs) override;
-
- void prepareFirstBucketLocked() override;
-
- void dropDataLocked(const int64_t dropTimeNs) override;
-
- // Calculate previous bucket end time based on current time.
- int64_t calcPreviousBucketEndTime(const int64_t currentTimeNs);
-
- // Calculate how many buckets are present between the current bucket and eventTimeNs.
- int64_t calcBucketsForwardCount(const int64_t& eventTimeNs) const;
-
- // Mark the data as invalid.
- void invalidateCurrentBucket(const int64_t dropTimeNs, const BucketDropReason reason);
-
- void invalidateCurrentBucketWithoutResetBase(const int64_t dropTimeNs,
- const BucketDropReason reason);
-
- // Skips the current bucket without notifying StatsdStats of the skipped bucket.
- // This should only be called from #flushCurrentBucketLocked. Otherwise, a future event that
- // causes the bucket to be invalidated will not notify StatsdStats.
- void skipCurrentBucket(const int64_t dropTimeNs, const BucketDropReason reason);
-
- const int mWhatMatcherIndex;
-
- sp<EventMatcherWizard> mEventMatcherWizard;
-
- sp<StatsPullerManager> mPullerManager;
-
- // Value fields for matching.
- std::vector<Matcher> mFieldMatchers;
-
- // Value fields for matching.
- std::set<HashableDimensionKey> mMatchedMetricDimensionKeys;
-
- // Holds the atom id, primary key pair from a state change.
- pair<int32_t, HashableDimensionKey> mStateChangePrimaryKey;
-
- // tagId for pulled data. -1 if this is not pulled
- const int mPullTagId;
-
- // if this is pulled metric
- const bool mIsPulled;
-
- // internal state of an ongoing aggregation bucket.
- typedef struct {
- // Index in multi value aggregation.
- int valueIndex;
- // Current value, depending on the aggregation type.
- Value value;
- // Number of samples collected.
- int sampleSize;
- // If this dimension has any non-tainted value. If not, don't report the
- // dimension.
- bool hasValue = false;
- // Whether new data is seen in the bucket.
- bool seenNewData = false;
- } Interval;
-
- typedef struct {
- // Holds current base value of the dimension. Take diff and update if necessary.
- Value base;
- // Whether there is a base to diff to.
- bool hasBase;
- // Last seen state value(s).
- HashableDimensionKey currentState;
- // Whether this dimensions in what key has a current state key.
- bool hasCurrentState;
- } BaseInfo;
-
- std::unordered_map<MetricDimensionKey, std::vector<Interval>> mCurrentSlicedBucket;
-
- std::unordered_map<HashableDimensionKey, std::vector<BaseInfo>> mCurrentBaseInfo;
-
- std::unordered_map<MetricDimensionKey, int64_t> mCurrentFullBucket;
-
- // Save the past buckets and we can clear when the StatsLogReport is dumped.
- std::unordered_map<MetricDimensionKey, std::vector<ValueBucket>> mPastBuckets;
-
- const int64_t mMinBucketSizeNs;
-
- // Util function to check whether the specified dimension hits the guardrail.
- bool hitGuardRailLocked(const MetricDimensionKey& newKey);
-
- bool hasReachedGuardRailLimit() const;
-
- bool hitFullBucketGuardRailLocked(const MetricDimensionKey& newKey);
-
- void pullAndMatchEventsLocked(const int64_t timestampNs);
-
- void accumulateEvents(const std::vector<std::shared_ptr<LogEvent>>& allData,
- int64_t originalPullTimeNs, int64_t eventElapsedTimeNs);
-
- ValueBucket buildPartialBucket(int64_t bucketEndTime,
- const std::vector<Interval>& intervals);
-
- void initCurrentSlicedBucket(int64_t nextBucketStartTimeNs);
-
- void appendToFullBucket(const bool isFullBucketReached);
-
- // Reset diff base and mHasGlobalBase
- void resetBase();
-
- static const size_t kBucketSize = sizeof(ValueBucket{});
-
- const size_t mDimensionSoftLimit;
-
- const size_t mDimensionHardLimit;
-
- const bool mUseAbsoluteValueOnReset;
-
- const ValueMetric::AggregationType mAggregationType;
-
- const bool mUseDiff;
-
- const ValueMetric::ValueDirection mValueDirection;
-
- const bool mSkipZeroDiffOutput;
-
- // If true, use a zero value as base to compute the diff.
- // This is used for new keys which are present in the new data but was not
- // present in the base data.
- // The default base will only be used if we have a global base.
- const bool mUseZeroDefaultBase;
-
- // For pulled metrics, this is always set to true whenever a pull succeeds.
- // It is set to false when a pull fails, or upon condition change to false.
- // This is used to decide if we have the right base data to compute the
- // diff against.
- bool mHasGlobalBase;
-
- // This is to track whether or not the bucket is skipped for any of the reasons listed in
- // BucketDropReason, many of which make the bucket potentially invalid.
- bool mCurrentBucketIsSkipped;
-
- const int64_t mMaxPullDelayNs;
-
- const bool mSplitBucketForAppUpgrade;
-
- ConditionTimer mConditionTimer;
-
- FRIEND_TEST(ValueMetricProducerTest, TestAnomalyDetection);
- FRIEND_TEST(ValueMetricProducerTest, TestBaseSetOnConditionChange);
- FRIEND_TEST(ValueMetricProducerTest, TestBucketBoundariesOnConditionChange);
- FRIEND_TEST(ValueMetricProducerTest, TestBucketBoundaryNoCondition);
- FRIEND_TEST(ValueMetricProducerTest, TestBucketBoundaryWithCondition);
- FRIEND_TEST(ValueMetricProducerTest, TestBucketBoundaryWithCondition2);
- FRIEND_TEST(ValueMetricProducerTest, TestBucketInvalidIfGlobalBaseIsNotSet);
- FRIEND_TEST(ValueMetricProducerTest, TestCalcPreviousBucketEndTime);
- FRIEND_TEST(ValueMetricProducerTest, TestDataIsNotUpdatedWhenNoConditionChanged);
- FRIEND_TEST(ValueMetricProducerTest, TestEmptyDataResetsBase_onBucketBoundary);
- FRIEND_TEST(ValueMetricProducerTest, TestEmptyDataResetsBase_onConditionChanged);
- FRIEND_TEST(ValueMetricProducerTest, TestEmptyDataResetsBase_onDataPulled);
- FRIEND_TEST(ValueMetricProducerTest, TestEventsWithNonSlicedCondition);
- FRIEND_TEST(ValueMetricProducerTest, TestFirstBucket);
- FRIEND_TEST(ValueMetricProducerTest, TestLateOnDataPulledWithDiff);
- FRIEND_TEST(ValueMetricProducerTest, TestLateOnDataPulledWithoutDiff);
- FRIEND_TEST(ValueMetricProducerTest, TestPartialResetOnBucketBoundaries);
- FRIEND_TEST(ValueMetricProducerTest, TestPulledData_noDiff_bucketBoundaryFalse);
- FRIEND_TEST(ValueMetricProducerTest, TestPulledData_noDiff_bucketBoundaryTrue);
- FRIEND_TEST(ValueMetricProducerTest, TestPulledData_noDiff_withFailure);
- FRIEND_TEST(ValueMetricProducerTest, TestPulledData_noDiff_withMultipleConditionChanges);
- FRIEND_TEST(ValueMetricProducerTest, TestPulledData_noDiff_withoutCondition);
- FRIEND_TEST(ValueMetricProducerTest, TestPulledEventsNoCondition);
- FRIEND_TEST(ValueMetricProducerTest, TestPulledEventsTakeAbsoluteValueOnReset);
- FRIEND_TEST(ValueMetricProducerTest, TestPulledEventsTakeZeroOnReset);
- FRIEND_TEST(ValueMetricProducerTest, TestPulledEventsWithFiltering);
- FRIEND_TEST(ValueMetricProducerTest, TestPulledWithAppUpgradeDisabled);
- FRIEND_TEST(ValueMetricProducerTest, TestPushedAggregateAvg);
- FRIEND_TEST(ValueMetricProducerTest, TestPushedAggregateMax);
- FRIEND_TEST(ValueMetricProducerTest, TestPushedAggregateMin);
- FRIEND_TEST(ValueMetricProducerTest, TestPushedAggregateSum);
- FRIEND_TEST(ValueMetricProducerTest, TestPushedEventsWithCondition);
- FRIEND_TEST(ValueMetricProducerTest, TestPushedEventsWithoutCondition);
- FRIEND_TEST(ValueMetricProducerTest, TestResetBaseOnPullDelayExceeded);
- FRIEND_TEST(ValueMetricProducerTest, TestResetBaseOnPullFailAfterConditionChange);
- FRIEND_TEST(ValueMetricProducerTest, TestResetBaseOnPullFailAfterConditionChange_EndOfBucket);
- FRIEND_TEST(ValueMetricProducerTest, TestResetBaseOnPullFailBeforeConditionChange);
- FRIEND_TEST(ValueMetricProducerTest, TestResetBaseOnPullTooLate);
- FRIEND_TEST(ValueMetricProducerTest, TestSkipZeroDiffOutput);
- FRIEND_TEST(ValueMetricProducerTest, TestSkipZeroDiffOutputMultiValue);
- FRIEND_TEST(ValueMetricProducerTest, TestSlicedState);
- FRIEND_TEST(ValueMetricProducerTest, TestSlicedStateWithMap);
- FRIEND_TEST(ValueMetricProducerTest, TestSlicedStateWithPrimaryField_WithDimensions);
- FRIEND_TEST(ValueMetricProducerTest, TestSlicedStateWithCondition);
- FRIEND_TEST(ValueMetricProducerTest, TestTrimUnusedDimensionKey);
- FRIEND_TEST(ValueMetricProducerTest, TestUseZeroDefaultBase);
- FRIEND_TEST(ValueMetricProducerTest, TestUseZeroDefaultBaseWithPullFailures);
-
- FRIEND_TEST(ValueMetricProducerTest_BucketDrop, TestInvalidBucketWhenOneConditionFailed);
- FRIEND_TEST(ValueMetricProducerTest_BucketDrop, TestInvalidBucketWhenInitialPullFailed);
- FRIEND_TEST(ValueMetricProducerTest_BucketDrop, TestInvalidBucketWhenLastPullFailed);
- FRIEND_TEST(ValueMetricProducerTest_BucketDrop, TestInvalidBucketWhenGuardRailHit);
- FRIEND_TEST(ValueMetricProducerTest_BucketDrop,
- TestInvalidBucketWhenAccumulateEventWrongBucket);
-
- FRIEND_TEST(ValueMetricProducerTest_PartialBucket, TestBucketBoundariesOnPartialBucket);
- FRIEND_TEST(ValueMetricProducerTest_PartialBucket, TestFullBucketResetWhenLastBucketInvalid);
- FRIEND_TEST(ValueMetricProducerTest_PartialBucket, TestPartialBucketCreated);
- FRIEND_TEST(ValueMetricProducerTest_PartialBucket, TestPushedEvents);
- FRIEND_TEST(ValueMetricProducerTest_PartialBucket, TestPulledValue);
- FRIEND_TEST(ValueMetricProducerTest_PartialBucket, TestPulledValueWhileConditionFalse);
-
- friend class ValueMetricProducerTestHelper;
-};
-
-} // namespace statsd
-} // namespace os
-} // namespace android