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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.
#include "src/metrics/GaugeMetricProducer.h"
#include "src/stats_log_util.h"
#include "logd/LogEvent.h"
#include "metrics_test_helper.h"
#include "tests/statsd_test_util.h"
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <math.h>
#include <stdio.h>
#include <vector>
using namespace testing;
using android::sp;
using std::set;
using std::unordered_map;
using std::vector;
using std::make_shared;
#ifdef __ANDROID__
namespace android {
namespace os {
namespace statsd {
const ConfigKey kConfigKey(0, 12345);
const int tagId = 1;
const int64_t metricId = 123;
const int64_t bucketStartTimeNs = 10 * NS_PER_SEC;
const int64_t bucketSizeNs = TimeUnitToBucketSizeInMillis(ONE_MINUTE) * 1000000LL;
const int64_t bucket2StartTimeNs = bucketStartTimeNs + bucketSizeNs;
const int64_t bucket3StartTimeNs = bucketStartTimeNs + 2 * bucketSizeNs;
const int64_t bucket4StartTimeNs = bucketStartTimeNs + 3 * bucketSizeNs;
const uint64_t eventUpgradeTimeNs = bucketStartTimeNs + 15 * NS_PER_SEC;
TEST(GaugeMetricProducerTest, TestNoCondition) {
GaugeMetric metric;
metric.set_id(metricId);
metric.set_bucket(ONE_MINUTE);
metric.mutable_gauge_fields_filter()->set_include_all(false);
auto gaugeFieldMatcher = metric.mutable_gauge_fields_filter()->mutable_fields();
gaugeFieldMatcher->set_field(tagId);
gaugeFieldMatcher->add_child()->set_field(1);
gaugeFieldMatcher->add_child()->set_field(3);
sp<MockConditionWizard> wizard = new NaggyMock<MockConditionWizard>();
// TODO: pending refactor of StatsPullerManager
// For now we still need this so that it doesn't do real pulling.
shared_ptr<MockStatsPullerManager> pullerManager =
make_shared<StrictMock<MockStatsPullerManager>>();
EXPECT_CALL(*pullerManager, RegisterReceiver(tagId, _, _, _)).WillOnce(Return());
EXPECT_CALL(*pullerManager, UnRegisterReceiver(tagId, _)).WillOnce(Return());
GaugeMetricProducer gaugeProducer(kConfigKey, metric, -1 /*-1 meaning no condition*/, wizard,
tagId, bucketStartTimeNs, pullerManager);
gaugeProducer.setBucketSize(60 * NS_PER_SEC);
vector<shared_ptr<LogEvent>> allData;
allData.clear();
shared_ptr<LogEvent> event = make_shared<LogEvent>(tagId, bucket2StartTimeNs + 1);
event->write(10);
event->write("some value");
event->write(11);
event->init();
allData.push_back(event);
gaugeProducer.onDataPulled(allData);
EXPECT_EQ(1UL, gaugeProducer.mCurrentSlicedBucket->size());
auto it = gaugeProducer.mCurrentSlicedBucket->begin()->second.front().mFields->begin();
EXPECT_EQ(INT, it->mValue.getType());
EXPECT_EQ(10, it->mValue.int_value);
it++;
EXPECT_EQ(11, it->mValue.int_value);
EXPECT_EQ(0UL, gaugeProducer.mPastBuckets.size());
allData.clear();
std::shared_ptr<LogEvent> event2 =
std::make_shared<LogEvent>(tagId, bucket3StartTimeNs + 10);
event2->write(24);
event2->write("some value");
event2->write(25);
event2->init();
allData.push_back(event2);
gaugeProducer.onDataPulled(allData);
EXPECT_EQ(1UL, gaugeProducer.mCurrentSlicedBucket->size());
it = gaugeProducer.mCurrentSlicedBucket->begin()->second.front().mFields->begin();
EXPECT_EQ(INT, it->mValue.getType());
EXPECT_EQ(24, it->mValue.int_value);
it++;
EXPECT_EQ(INT, it->mValue.getType());
EXPECT_EQ(25, it->mValue.int_value);
// One dimension.
EXPECT_EQ(1UL, gaugeProducer.mPastBuckets.size());
EXPECT_EQ(1UL, gaugeProducer.mPastBuckets.begin()->second.size());
it = gaugeProducer.mPastBuckets.begin()->second.back().mGaugeAtoms.front().mFields->begin();
EXPECT_EQ(INT, it->mValue.getType());
EXPECT_EQ(10L, it->mValue.int_value);
it++;
EXPECT_EQ(INT, it->mValue.getType());
EXPECT_EQ(11L, it->mValue.int_value);
gaugeProducer.flushIfNeededLocked(bucket4StartTimeNs);
EXPECT_EQ(0UL, gaugeProducer.mCurrentSlicedBucket->size());
// One dimension.
EXPECT_EQ(1UL, gaugeProducer.mPastBuckets.size());
EXPECT_EQ(2UL, gaugeProducer.mPastBuckets.begin()->second.size());
it = gaugeProducer.mPastBuckets.begin()->second.back().mGaugeAtoms.front().mFields->begin();
EXPECT_EQ(INT, it->mValue.getType());
EXPECT_EQ(24L, it->mValue.int_value);
it++;
EXPECT_EQ(INT, it->mValue.getType());
EXPECT_EQ(25L, it->mValue.int_value);
}
TEST(GaugeMetricProducerTest, TestPushedEventsWithUpgrade) {
sp<AlarmMonitor> alarmMonitor;
GaugeMetric metric;
metric.set_id(metricId);
metric.set_bucket(ONE_MINUTE);
metric.mutable_gauge_fields_filter()->set_include_all(true);
Alert alert;
alert.set_id(101);
alert.set_metric_id(metricId);
alert.set_trigger_if_sum_gt(25);
alert.set_num_buckets(100);
sp<MockConditionWizard> wizard = new NaggyMock<MockConditionWizard>();
shared_ptr<MockStatsPullerManager> pullerManager =
make_shared<StrictMock<MockStatsPullerManager>>();
GaugeMetricProducer gaugeProducer(kConfigKey, metric, -1 /*-1 meaning no condition*/, wizard,
-1 /* -1 means no pulling */, bucketStartTimeNs,
pullerManager);
gaugeProducer.setBucketSize(60 * NS_PER_SEC);
sp<AnomalyTracker> anomalyTracker = gaugeProducer.addAnomalyTracker(alert, alarmMonitor);
EXPECT_TRUE(anomalyTracker != nullptr);
shared_ptr<LogEvent> event1 = make_shared<LogEvent>(tagId, bucketStartTimeNs + 10);
event1->write(1);
event1->write(10);
event1->init();
gaugeProducer.onMatchedLogEvent(1 /*log matcher index*/, *event1);
EXPECT_EQ(1UL, (*gaugeProducer.mCurrentSlicedBucket).count(DEFAULT_METRIC_DIMENSION_KEY));
gaugeProducer.notifyAppUpgrade(eventUpgradeTimeNs, "ANY.APP", 1, 1);
EXPECT_EQ(0UL, (*gaugeProducer.mCurrentSlicedBucket).count(DEFAULT_METRIC_DIMENSION_KEY));
EXPECT_EQ(1UL, gaugeProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY].size());
EXPECT_EQ(0UL, gaugeProducer.mCurrentBucketNum);
EXPECT_EQ(eventUpgradeTimeNs, gaugeProducer.mCurrentBucketStartTimeNs);
// Partial buckets are not sent to anomaly tracker.
EXPECT_EQ(0, anomalyTracker->getSumOverPastBuckets(DEFAULT_METRIC_DIMENSION_KEY));
// Create an event in the same partial bucket.
shared_ptr<LogEvent> event2 = make_shared<LogEvent>(tagId, bucketStartTimeNs + 59 * NS_PER_SEC);
event2->write(1);
event2->write(10);
event2->init();
gaugeProducer.onMatchedLogEvent(1 /*log matcher index*/, *event2);
EXPECT_EQ(0UL, gaugeProducer.mCurrentBucketNum);
EXPECT_EQ(1UL, gaugeProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY].size());
EXPECT_EQ((uint64_t)eventUpgradeTimeNs, gaugeProducer.mCurrentBucketStartTimeNs);
// Partial buckets are not sent to anomaly tracker.
EXPECT_EQ(0, anomalyTracker->getSumOverPastBuckets(DEFAULT_METRIC_DIMENSION_KEY));
// Next event should trigger creation of new bucket and send previous full bucket to anomaly
// tracker.
shared_ptr<LogEvent> event3 = make_shared<LogEvent>(tagId, bucketStartTimeNs + 65 * NS_PER_SEC);
event3->write(1);
event3->write(10);
event3->init();
gaugeProducer.onMatchedLogEvent(1 /*log matcher index*/, *event3);
EXPECT_EQ(1UL, gaugeProducer.mCurrentBucketNum);
EXPECT_EQ(2UL, gaugeProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY].size());
EXPECT_EQ((uint64_t)bucketStartTimeNs + bucketSizeNs, gaugeProducer.mCurrentBucketStartTimeNs);
EXPECT_EQ(1, anomalyTracker->getSumOverPastBuckets(DEFAULT_METRIC_DIMENSION_KEY));
// Next event should trigger creation of new bucket.
shared_ptr<LogEvent> event4 =
make_shared<LogEvent>(tagId, bucketStartTimeNs + 125 * NS_PER_SEC);
event4->write(1);
event4->write(10);
event4->init();
gaugeProducer.onMatchedLogEvent(1 /*log matcher index*/, *event4);
EXPECT_EQ(2UL, gaugeProducer.mCurrentBucketNum);
EXPECT_EQ(3UL, gaugeProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY].size());
EXPECT_EQ(2, anomalyTracker->getSumOverPastBuckets(DEFAULT_METRIC_DIMENSION_KEY));
}
TEST(GaugeMetricProducerTest, TestPulledWithUpgrade) {
GaugeMetric metric;
metric.set_id(metricId);
metric.set_bucket(ONE_MINUTE);
auto gaugeFieldMatcher = metric.mutable_gauge_fields_filter()->mutable_fields();
gaugeFieldMatcher->set_field(tagId);
gaugeFieldMatcher->add_child()->set_field(2);
sp<MockConditionWizard> wizard = new NaggyMock<MockConditionWizard>();
shared_ptr<MockStatsPullerManager> pullerManager =
make_shared<StrictMock<MockStatsPullerManager>>();
EXPECT_CALL(*pullerManager, RegisterReceiver(tagId, _, _, _)).WillOnce(Return());
EXPECT_CALL(*pullerManager, UnRegisterReceiver(tagId, _)).WillOnce(Return());
EXPECT_CALL(*pullerManager, Pull(tagId, _, _))
.WillOnce(Invoke([](int tagId, int64_t timeNs,
vector<std::shared_ptr<LogEvent>>* data) {
data->clear();
shared_ptr<LogEvent> event = make_shared<LogEvent>(tagId, eventUpgradeTimeNs);
event->write("some value");
event->write(2);
event->init();
data->push_back(event);
return true;
}));
GaugeMetricProducer gaugeProducer(kConfigKey, metric, -1 /*-1 meaning no condition*/, wizard,
tagId, bucketStartTimeNs, pullerManager);
gaugeProducer.setBucketSize(60 * NS_PER_SEC);
vector<shared_ptr<LogEvent>> allData;
shared_ptr<LogEvent> event = make_shared<LogEvent>(tagId, bucketStartTimeNs + 1);
event->write("some value");
event->write(1);
event->init();
allData.push_back(event);
gaugeProducer.onDataPulled(allData);
EXPECT_EQ(1UL, gaugeProducer.mCurrentSlicedBucket->size());
EXPECT_EQ(1, gaugeProducer.mCurrentSlicedBucket->begin()
->second.front()
.mFields->begin()
->mValue.int_value);
gaugeProducer.notifyAppUpgrade(eventUpgradeTimeNs, "ANY.APP", 1, 1);
EXPECT_EQ(1UL, gaugeProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY].size());
EXPECT_EQ(0UL, gaugeProducer.mCurrentBucketNum);
EXPECT_EQ((uint64_t)eventUpgradeTimeNs, gaugeProducer.mCurrentBucketStartTimeNs);
EXPECT_EQ(1UL, gaugeProducer.mCurrentSlicedBucket->size());
EXPECT_EQ(2, gaugeProducer.mCurrentSlicedBucket->begin()
->second.front()
.mFields->begin()
->mValue.int_value);
allData.clear();
event = make_shared<LogEvent>(tagId, bucketStartTimeNs + bucketSizeNs + 1);
event->write("some value");
event->write(3);
event->init();
allData.push_back(event);
gaugeProducer.onDataPulled(allData);
EXPECT_EQ(2UL, gaugeProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY].size());
EXPECT_EQ(1UL, gaugeProducer.mCurrentSlicedBucket->size());
EXPECT_EQ(3, gaugeProducer.mCurrentSlicedBucket->begin()
->second.front()
.mFields->begin()
->mValue.int_value);
}
TEST(GaugeMetricProducerTest, TestWithCondition) {
GaugeMetric metric;
metric.set_id(metricId);
metric.set_bucket(ONE_MINUTE);
auto gaugeFieldMatcher = metric.mutable_gauge_fields_filter()->mutable_fields();
gaugeFieldMatcher->set_field(tagId);
gaugeFieldMatcher->add_child()->set_field(2);
metric.set_condition(StringToId("SCREEN_ON"));
sp<MockConditionWizard> wizard = new NaggyMock<MockConditionWizard>();
shared_ptr<MockStatsPullerManager> pullerManager =
make_shared<StrictMock<MockStatsPullerManager>>();
EXPECT_CALL(*pullerManager, RegisterReceiver(tagId, _, _, _)).WillOnce(Return());
EXPECT_CALL(*pullerManager, UnRegisterReceiver(tagId, _)).WillOnce(Return());
EXPECT_CALL(*pullerManager, Pull(tagId, _, _))
.WillOnce(Invoke([](int tagId, int64_t timeNs,
vector<std::shared_ptr<LogEvent>>* data) {
data->clear();
shared_ptr<LogEvent> event = make_shared<LogEvent>(tagId, bucketStartTimeNs + 10);
event->write("some value");
event->write(100);
event->init();
data->push_back(event);
return true;
}));
GaugeMetricProducer gaugeProducer(kConfigKey, metric, 1, wizard, tagId,
bucketStartTimeNs, pullerManager);
gaugeProducer.setBucketSize(60 * NS_PER_SEC);
gaugeProducer.onConditionChanged(true, bucketStartTimeNs + 8);
EXPECT_EQ(1UL, gaugeProducer.mCurrentSlicedBucket->size());
EXPECT_EQ(100, gaugeProducer.mCurrentSlicedBucket->begin()
->second.front()
.mFields->begin()
->mValue.int_value);
EXPECT_EQ(0UL, gaugeProducer.mPastBuckets.size());
vector<shared_ptr<LogEvent>> allData;
allData.clear();
shared_ptr<LogEvent> event = make_shared<LogEvent>(tagId, bucket2StartTimeNs + 1);
event->write("some value");
event->write(110);
event->init();
allData.push_back(event);
gaugeProducer.onDataPulled(allData);
EXPECT_EQ(1UL, gaugeProducer.mCurrentSlicedBucket->size());
EXPECT_EQ(110, gaugeProducer.mCurrentSlicedBucket->begin()
->second.front()
.mFields->begin()
->mValue.int_value);
EXPECT_EQ(1UL, gaugeProducer.mPastBuckets.size());
EXPECT_EQ(100, gaugeProducer.mPastBuckets.begin()
->second.back()
.mGaugeAtoms.front()
.mFields->begin()
->mValue.int_value);
gaugeProducer.onConditionChanged(false, bucket2StartTimeNs + 10);
gaugeProducer.flushIfNeededLocked(bucket3StartTimeNs + 10);
EXPECT_EQ(1UL, gaugeProducer.mPastBuckets.size());
EXPECT_EQ(2UL, gaugeProducer.mPastBuckets.begin()->second.size());
EXPECT_EQ(110L, gaugeProducer.mPastBuckets.begin()
->second.back()
.mGaugeAtoms.front()
.mFields->begin()
->mValue.int_value);
}
TEST(GaugeMetricProducerTest, TestWithSlicedCondition) {
const int conditionTag = 65;
GaugeMetric metric;
metric.set_id(1111111);
metric.set_bucket(ONE_MINUTE);
metric.mutable_gauge_fields_filter()->set_include_all(true);
metric.set_condition(StringToId("APP_DIED"));
auto dim = metric.mutable_dimensions_in_what();
dim->set_field(tagId);
dim->add_child()->set_field(1);
dim = metric.mutable_dimensions_in_condition();
dim->set_field(conditionTag);
dim->add_child()->set_field(1);
sp<MockConditionWizard> wizard = new NaggyMock<MockConditionWizard>();
EXPECT_CALL(*wizard, query(_, _, _, _, _, _))
.WillRepeatedly(
Invoke([](const int conditionIndex, const ConditionKey& conditionParameters,
const vector<Matcher>& dimensionFields, const bool isSubsetDim,
const bool isPartialLink,
std::unordered_set<HashableDimensionKey>* dimensionKeySet) {
dimensionKeySet->clear();
int pos[] = {1, 0, 0};
Field f(conditionTag, pos, 0);
HashableDimensionKey key;
key.mutableValues()->emplace_back(f, Value((int32_t)1000000));
dimensionKeySet->insert(key);
return ConditionState::kTrue;
}));
shared_ptr<MockStatsPullerManager> pullerManager =
make_shared<StrictMock<MockStatsPullerManager>>();
EXPECT_CALL(*pullerManager, RegisterReceiver(tagId, _, _, _)).WillOnce(Return());
EXPECT_CALL(*pullerManager, UnRegisterReceiver(tagId, _)).WillOnce(Return());
EXPECT_CALL(*pullerManager, Pull(tagId, _, _))
.WillOnce(Invoke([](int tagId, int64_t timeNs,
vector<std::shared_ptr<LogEvent>>* data) {
data->clear();
shared_ptr<LogEvent> event = make_shared<LogEvent>(tagId, bucketStartTimeNs + 10);
event->write(1000);
event->write(100);
event->init();
data->push_back(event);
return true;
}));
GaugeMetricProducer gaugeProducer(kConfigKey, metric, 1, wizard, tagId, bucketStartTimeNs,
pullerManager);
gaugeProducer.setBucketSize(60 * NS_PER_SEC);
gaugeProducer.onSlicedConditionMayChange(true, bucketStartTimeNs + 8);
EXPECT_EQ(1UL, gaugeProducer.mCurrentSlicedBucket->size());
const auto& key = gaugeProducer.mCurrentSlicedBucket->begin()->first;
EXPECT_EQ(1UL, key.getDimensionKeyInWhat().getValues().size());
EXPECT_EQ(1000, key.getDimensionKeyInWhat().getValues()[0].mValue.int_value);
EXPECT_EQ(1UL, key.getDimensionKeyInCondition().getValues().size());
EXPECT_EQ(1000000, key.getDimensionKeyInCondition().getValues()[0].mValue.int_value);
EXPECT_EQ(0UL, gaugeProducer.mPastBuckets.size());
vector<shared_ptr<LogEvent>> allData;
allData.clear();
shared_ptr<LogEvent> event = make_shared<LogEvent>(tagId, bucket2StartTimeNs + 1);
event->write(1000);
event->write(110);
event->init();
allData.push_back(event);
gaugeProducer.onDataPulled(allData);
EXPECT_EQ(1UL, gaugeProducer.mCurrentSlicedBucket->size());
EXPECT_EQ(1UL, gaugeProducer.mPastBuckets.size());
}
TEST(GaugeMetricProducerTest, TestAnomalyDetection) {
sp<AlarmMonitor> alarmMonitor;
sp<MockConditionWizard> wizard = new NaggyMock<MockConditionWizard>();
shared_ptr<MockStatsPullerManager> pullerManager =
make_shared<StrictMock<MockStatsPullerManager>>();
EXPECT_CALL(*pullerManager, RegisterReceiver(tagId, _, _, _)).WillOnce(Return());
EXPECT_CALL(*pullerManager, UnRegisterReceiver(tagId, _)).WillOnce(Return());
GaugeMetric metric;
metric.set_id(metricId);
metric.set_bucket(ONE_MINUTE);
auto gaugeFieldMatcher = metric.mutable_gauge_fields_filter()->mutable_fields();
gaugeFieldMatcher->set_field(tagId);
gaugeFieldMatcher->add_child()->set_field(2);
GaugeMetricProducer gaugeProducer(kConfigKey, metric, -1 /*-1 meaning no condition*/, wizard,
tagId, bucketStartTimeNs, pullerManager);
gaugeProducer.setBucketSize(60 * NS_PER_SEC);
Alert alert;
alert.set_id(101);
alert.set_metric_id(metricId);
alert.set_trigger_if_sum_gt(25);
alert.set_num_buckets(2);
const int32_t refPeriodSec = 60;
alert.set_refractory_period_secs(refPeriodSec);
sp<AnomalyTracker> anomalyTracker = gaugeProducer.addAnomalyTracker(alert, alarmMonitor);
int tagId = 1;
std::shared_ptr<LogEvent> event1 = std::make_shared<LogEvent>(tagId, bucketStartTimeNs + 1);
event1->write("some value");
event1->write(13);
event1->init();
gaugeProducer.onDataPulled({event1});
EXPECT_EQ(1UL, gaugeProducer.mCurrentSlicedBucket->size());
EXPECT_EQ(13L, gaugeProducer.mCurrentSlicedBucket->begin()
->second.front()
.mFields->begin()
->mValue.int_value);
EXPECT_EQ(anomalyTracker->getRefractoryPeriodEndsSec(DEFAULT_METRIC_DIMENSION_KEY), 0U);
std::shared_ptr<LogEvent> event2 =
std::make_shared<LogEvent>(tagId, bucketStartTimeNs + bucketSizeNs + 20);
event2->write("some value");
event2->write(15);
event2->init();
gaugeProducer.onDataPulled({event2});
EXPECT_EQ(1UL, gaugeProducer.mCurrentSlicedBucket->size());
EXPECT_EQ(15L, gaugeProducer.mCurrentSlicedBucket->begin()
->second.front()
.mFields->begin()
->mValue.int_value);
EXPECT_EQ(anomalyTracker->getRefractoryPeriodEndsSec(DEFAULT_METRIC_DIMENSION_KEY),
std::ceil(1.0 * event2->GetElapsedTimestampNs() / NS_PER_SEC) + refPeriodSec);
std::shared_ptr<LogEvent> event3 =
std::make_shared<LogEvent>(tagId, bucketStartTimeNs + 2 * bucketSizeNs + 10);
event3->write("some value");
event3->write(26);
event3->init();
gaugeProducer.onDataPulled({event3});
EXPECT_EQ(1UL, gaugeProducer.mCurrentSlicedBucket->size());
EXPECT_EQ(26L, gaugeProducer.mCurrentSlicedBucket->begin()
->second.front()
.mFields->begin()
->mValue.int_value);
EXPECT_EQ(anomalyTracker->getRefractoryPeriodEndsSec(DEFAULT_METRIC_DIMENSION_KEY),
std::ceil(1.0 * event2->GetElapsedTimestampNs() / NS_PER_SEC + refPeriodSec));
// The event4 does not have the gauge field. Thus the current bucket value is 0.
std::shared_ptr<LogEvent> event4 =
std::make_shared<LogEvent>(tagId, bucketStartTimeNs + 3 * bucketSizeNs + 10);
event4->write("some value");
event4->init();
gaugeProducer.onDataPulled({event4});
EXPECT_EQ(1UL, gaugeProducer.mCurrentSlicedBucket->size());
EXPECT_TRUE(gaugeProducer.mCurrentSlicedBucket->begin()->second.front().mFields->empty());
}
} // namespace statsd
} // namespace os
} // namespace android
#else
GTEST_LOG_(INFO) << "This test does nothing.\n";
#endif