Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
Yao Chen | 3c0b95c | 2017-12-16 14:34:20 -0800 | [diff] [blame] | 17 | #define DEBUG false // STOPSHIP if true |
Joe Onorato | 9fc9edf | 2017-10-15 20:08:52 -0700 | [diff] [blame] | 18 | #include "Log.h" |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 19 | |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 20 | #include "CountMetricProducer.h" |
Yao Chen | b356151 | 2017-11-21 18:07:17 -0800 | [diff] [blame] | 21 | #include "guardrail/StatsdStats.h" |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 22 | #include "stats_util.h" |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame^] | 23 | #include "stats_log_util.h" |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 24 | |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 25 | #include <limits.h> |
| 26 | #include <stdlib.h> |
| 27 | |
yro | b0378b0 | 2017-11-09 20:36:25 -0800 | [diff] [blame] | 28 | using android::util::FIELD_COUNT_REPEATED; |
yro | 2b0f886 | 2017-11-06 14:27:31 -0800 | [diff] [blame] | 29 | using android::util::FIELD_TYPE_BOOL; |
| 30 | using android::util::FIELD_TYPE_FLOAT; |
| 31 | using android::util::FIELD_TYPE_INT32; |
| 32 | using android::util::FIELD_TYPE_INT64; |
| 33 | using android::util::FIELD_TYPE_MESSAGE; |
Yangster-mac | d1815dc | 2017-11-13 21:43:15 -0800 | [diff] [blame] | 34 | using android::util::FIELD_TYPE_STRING; |
yro | 24809bd | 2017-10-31 23:06:53 -0700 | [diff] [blame] | 35 | using android::util::ProtoOutputStream; |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 36 | using std::map; |
| 37 | using std::string; |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 38 | using std::unordered_map; |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 39 | using std::vector; |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 40 | |
| 41 | namespace android { |
| 42 | namespace os { |
| 43 | namespace statsd { |
| 44 | |
yro | 24809bd | 2017-10-31 23:06:53 -0700 | [diff] [blame] | 45 | // for StatsLogReport |
Yangster-mac | d1815dc | 2017-11-13 21:43:15 -0800 | [diff] [blame] | 46 | const int FIELD_ID_NAME = 1; |
yro | 24809bd | 2017-10-31 23:06:53 -0700 | [diff] [blame] | 47 | const int FIELD_ID_START_REPORT_NANOS = 2; |
| 48 | const int FIELD_ID_END_REPORT_NANOS = 3; |
| 49 | const int FIELD_ID_COUNT_METRICS = 5; |
| 50 | // for CountMetricDataWrapper |
| 51 | const int FIELD_ID_DATA = 1; |
| 52 | // for CountMetricData |
| 53 | const int FIELD_ID_DIMENSION = 1; |
| 54 | const int FIELD_ID_BUCKET_INFO = 2; |
yro | 24809bd | 2017-10-31 23:06:53 -0700 | [diff] [blame] | 55 | // for CountBucketInfo |
| 56 | const int FIELD_ID_START_BUCKET_NANOS = 1; |
| 57 | const int FIELD_ID_END_BUCKET_NANOS = 2; |
| 58 | const int FIELD_ID_COUNT = 3; |
| 59 | |
Yao Chen | b356151 | 2017-11-21 18:07:17 -0800 | [diff] [blame] | 60 | CountMetricProducer::CountMetricProducer(const ConfigKey& key, const CountMetric& metric, |
| 61 | const int conditionIndex, |
Yao Chen | 93fe3a3 | 2017-11-02 13:52:59 -0700 | [diff] [blame] | 62 | const sp<ConditionWizard>& wizard, |
| 63 | const uint64_t startTimeNs) |
Yao Chen | f09569f | 2017-12-13 17:00:51 -0800 | [diff] [blame] | 64 | : MetricProducer(metric.name(), key, startTimeNs, conditionIndex, wizard) { |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 65 | // TODO: evaluate initial conditions. and set mConditionMet. |
| 66 | if (metric.has_bucket() && metric.bucket().has_bucket_size_millis()) { |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 67 | mBucketSizeNs = metric.bucket().bucket_size_millis() * 1000 * 1000; |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 68 | } else { |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 69 | mBucketSizeNs = LLONG_MAX; |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 70 | } |
| 71 | |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 72 | // TODO: use UidMap if uid->pkg_name is required |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame^] | 73 | mDimensions = metric.dimensions(); |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 74 | |
| 75 | if (metric.links().size() > 0) { |
| 76 | mConditionLinks.insert(mConditionLinks.begin(), metric.links().begin(), |
| 77 | metric.links().end()); |
| 78 | mConditionSliced = true; |
| 79 | } |
| 80 | |
Yangster-mac | d1815dc | 2017-11-13 21:43:15 -0800 | [diff] [blame] | 81 | VLOG("metric %s created. bucket size %lld start_time: %lld", metric.name().c_str(), |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 82 | (long long)mBucketSizeNs, (long long)mStartTimeNs); |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 83 | } |
| 84 | |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 85 | CountMetricProducer::~CountMetricProducer() { |
| 86 | VLOG("~CountMetricProducer() called"); |
| 87 | } |
| 88 | |
Yangster | f2bee6f | 2017-11-29 12:01:05 -0800 | [diff] [blame] | 89 | void CountMetricProducer::onSlicedConditionMayChangeLocked(const uint64_t eventTime) { |
Yao Chen | f09569f | 2017-12-13 17:00:51 -0800 | [diff] [blame] | 90 | VLOG("Metric %s onSlicedConditionMayChange", mName.c_str()); |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 91 | } |
| 92 | |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame^] | 93 | void CountMetricProducer::onDumpReportLocked(const uint64_t dumpTimeNs, StatsLogReport* report) { |
| 94 | flushIfNeededLocked(dumpTimeNs); |
| 95 | report->set_metric_name(mName); |
| 96 | report->set_start_report_nanos(mStartTimeNs); |
| 97 | |
| 98 | auto count_metrics = report->mutable_count_metrics(); |
| 99 | for (const auto& counter : mPastBuckets) { |
| 100 | CountMetricData* metricData = count_metrics->add_data(); |
| 101 | *metricData->mutable_dimension() = counter.first.getDimensionsValue(); |
| 102 | for (const auto& bucket : counter.second) { |
| 103 | CountBucketInfo* bucketInfo = metricData->add_bucket_info(); |
| 104 | bucketInfo->set_start_bucket_nanos(bucket.mBucketStartNs); |
| 105 | bucketInfo->set_end_bucket_nanos(bucket.mBucketEndNs); |
| 106 | bucketInfo->set_count(bucket.mCount); |
| 107 | } |
| 108 | } |
| 109 | } |
| 110 | |
Yao Chen | 288c600 | 2017-12-12 13:43:18 -0800 | [diff] [blame] | 111 | void CountMetricProducer::onDumpReportLocked(const uint64_t dumpTimeNs, |
| 112 | ProtoOutputStream* protoOutput) { |
| 113 | flushIfNeededLocked(dumpTimeNs); |
Yao Chen | 6a8c799 | 2017-11-29 20:02:07 +0000 | [diff] [blame] | 114 | |
Yao Chen | f09569f | 2017-12-13 17:00:51 -0800 | [diff] [blame] | 115 | protoOutput->write(FIELD_TYPE_STRING | FIELD_ID_NAME, mName); |
Yao Chen | 288c600 | 2017-12-12 13:43:18 -0800 | [diff] [blame] | 116 | protoOutput->write(FIELD_TYPE_INT64 | FIELD_ID_START_REPORT_NANOS, (long long)mStartTimeNs); |
| 117 | long long protoToken = protoOutput->start(FIELD_TYPE_MESSAGE | FIELD_ID_COUNT_METRICS); |
| 118 | |
Yao Chen | f09569f | 2017-12-13 17:00:51 -0800 | [diff] [blame] | 119 | VLOG("metric %s dump report now...", mName.c_str()); |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 120 | |
Yao Chen | 93fe3a3 | 2017-11-02 13:52:59 -0700 | [diff] [blame] | 121 | for (const auto& counter : mPastBuckets) { |
yro | 24809bd | 2017-10-31 23:06:53 -0700 | [diff] [blame] | 122 | const HashableDimensionKey& hashableKey = counter.first; |
Yao Chen | 93fe3a3 | 2017-11-02 13:52:59 -0700 | [diff] [blame] | 123 | VLOG(" dimension key %s", hashableKey.c_str()); |
Yao Chen | d5aa01b3 | 2017-12-19 16:46:36 -0800 | [diff] [blame] | 124 | |
yro | b0378b0 | 2017-11-09 20:36:25 -0800 | [diff] [blame] | 125 | long long wrapperToken = |
Yao Chen | 288c600 | 2017-12-12 13:43:18 -0800 | [diff] [blame] | 126 | protoOutput->start(FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED | FIELD_ID_DATA); |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 127 | |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame^] | 128 | // First fill dimension. |
| 129 | long long dimensionToken = protoOutput->start( |
| 130 | FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED | FIELD_ID_DIMENSION); |
| 131 | writeDimensionsValueProtoToStream(hashableKey.getDimensionsValue(), protoOutput); |
| 132 | protoOutput->end(dimensionToken); |
yro | 24809bd | 2017-10-31 23:06:53 -0700 | [diff] [blame] | 133 | |
| 134 | // Then fill bucket_info (CountBucketInfo). |
Yao Chen | 93fe3a3 | 2017-11-02 13:52:59 -0700 | [diff] [blame] | 135 | for (const auto& bucket : counter.second) { |
Yao Chen | 288c600 | 2017-12-12 13:43:18 -0800 | [diff] [blame] | 136 | long long bucketInfoToken = protoOutput->start( |
| 137 | FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED | FIELD_ID_BUCKET_INFO); |
| 138 | protoOutput->write(FIELD_TYPE_INT64 | FIELD_ID_START_BUCKET_NANOS, |
| 139 | (long long)bucket.mBucketStartNs); |
| 140 | protoOutput->write(FIELD_TYPE_INT64 | FIELD_ID_END_BUCKET_NANOS, |
| 141 | (long long)bucket.mBucketEndNs); |
| 142 | protoOutput->write(FIELD_TYPE_INT64 | FIELD_ID_COUNT, (long long)bucket.mCount); |
| 143 | protoOutput->end(bucketInfoToken); |
Yao Chen | 93fe3a3 | 2017-11-02 13:52:59 -0700 | [diff] [blame] | 144 | VLOG("\t bucket [%lld - %lld] count: %lld", (long long)bucket.mBucketStartNs, |
| 145 | (long long)bucket.mBucketEndNs, (long long)bucket.mCount); |
yro | 24809bd | 2017-10-31 23:06:53 -0700 | [diff] [blame] | 146 | } |
Yao Chen | 288c600 | 2017-12-12 13:43:18 -0800 | [diff] [blame] | 147 | protoOutput->end(wrapperToken); |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 148 | } |
Yao Chen | 6a8c799 | 2017-11-29 20:02:07 +0000 | [diff] [blame] | 149 | |
Yao Chen | 288c600 | 2017-12-12 13:43:18 -0800 | [diff] [blame] | 150 | protoOutput->end(protoToken); |
| 151 | protoOutput->write(FIELD_TYPE_INT64 | FIELD_ID_END_REPORT_NANOS, (long long)dumpTimeNs); |
yro | 24809bd | 2017-10-31 23:06:53 -0700 | [diff] [blame] | 152 | |
Yao Chen | 6a8c799 | 2017-11-29 20:02:07 +0000 | [diff] [blame] | 153 | mPastBuckets.clear(); |
Yao Chen | 288c600 | 2017-12-12 13:43:18 -0800 | [diff] [blame] | 154 | mStartTimeNs = mCurrentBucketStartTimeNs; |
Yao Chen | 6a8c799 | 2017-11-29 20:02:07 +0000 | [diff] [blame] | 155 | |
| 156 | // TODO: Clear mDimensionKeyMap once the report is dumped. |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 157 | } |
| 158 | |
Yangster | f2bee6f | 2017-11-29 12:01:05 -0800 | [diff] [blame] | 159 | void CountMetricProducer::onConditionChangedLocked(const bool conditionMet, |
| 160 | const uint64_t eventTime) { |
Yao Chen | f09569f | 2017-12-13 17:00:51 -0800 | [diff] [blame] | 161 | VLOG("Metric %s onConditionChanged", mName.c_str()); |
Yao Chen | caf339d | 2017-10-06 16:01:10 -0700 | [diff] [blame] | 162 | mCondition = conditionMet; |
| 163 | } |
| 164 | |
Yangster | f2bee6f | 2017-11-29 12:01:05 -0800 | [diff] [blame] | 165 | bool CountMetricProducer::hitGuardRailLocked(const HashableDimensionKey& newKey) { |
Yao Chen | b356151 | 2017-11-21 18:07:17 -0800 | [diff] [blame] | 166 | if (mCurrentSlicedCounter->find(newKey) != mCurrentSlicedCounter->end()) { |
| 167 | return false; |
| 168 | } |
| 169 | // ===========GuardRail============== |
| 170 | // 1. Report the tuple count if the tuple count > soft limit |
| 171 | if (mCurrentSlicedCounter->size() > StatsdStats::kDimensionKeySizeSoftLimit - 1) { |
| 172 | size_t newTupleCount = mCurrentSlicedCounter->size() + 1; |
Yao Chen | f09569f | 2017-12-13 17:00:51 -0800 | [diff] [blame] | 173 | StatsdStats::getInstance().noteMetricDimensionSize(mConfigKey, mName, newTupleCount); |
Yao Chen | b356151 | 2017-11-21 18:07:17 -0800 | [diff] [blame] | 174 | // 2. Don't add more tuples, we are above the allowed threshold. Drop the data. |
| 175 | if (newTupleCount > StatsdStats::kDimensionKeySizeHardLimit) { |
Yao Chen | f09569f | 2017-12-13 17:00:51 -0800 | [diff] [blame] | 176 | ALOGE("CountMetric %s dropping data for dimension key %s", mName.c_str(), |
Yao Chen | b356151 | 2017-11-21 18:07:17 -0800 | [diff] [blame] | 177 | newKey.c_str()); |
| 178 | return true; |
| 179 | } |
| 180 | } |
| 181 | |
| 182 | return false; |
| 183 | } |
Yangster | f2bee6f | 2017-11-29 12:01:05 -0800 | [diff] [blame] | 184 | |
| 185 | void CountMetricProducer::onMatchedLogEventInternalLocked( |
Yao Chen | b704177 | 2017-10-20 16:59:25 -0700 | [diff] [blame] | 186 | const size_t matcherIndex, const HashableDimensionKey& eventKey, |
Yangster-mac | 2087716 | 2017-12-22 17:19:39 -0800 | [diff] [blame^] | 187 | const ConditionKey& conditionKey, bool condition, |
Chenjie Yu | a7259ab | 2017-12-10 08:31:05 -0800 | [diff] [blame] | 188 | const LogEvent& event) { |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 189 | uint64_t eventTimeNs = event.GetTimestampNs(); |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 190 | |
Yangster | f2bee6f | 2017-11-29 12:01:05 -0800 | [diff] [blame] | 191 | flushIfNeededLocked(eventTimeNs); |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 192 | |
Yao Chen | 6a8c799 | 2017-11-29 20:02:07 +0000 | [diff] [blame] | 193 | if (condition == false) { |
Yao Chen | b704177 | 2017-10-20 16:59:25 -0700 | [diff] [blame] | 194 | return; |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 195 | } |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 196 | |
Yao Chen | 6a8c799 | 2017-11-29 20:02:07 +0000 | [diff] [blame] | 197 | auto it = mCurrentSlicedCounter->find(eventKey); |
| 198 | |
| 199 | if (it == mCurrentSlicedCounter->end()) { |
| 200 | // ===========GuardRail============== |
Yangster | f2bee6f | 2017-11-29 12:01:05 -0800 | [diff] [blame] | 201 | if (hitGuardRailLocked(eventKey)) { |
Yao Chen | b356151 | 2017-11-21 18:07:17 -0800 | [diff] [blame] | 202 | return; |
| 203 | } |
| 204 | |
Yao Chen | 6a8c799 | 2017-11-29 20:02:07 +0000 | [diff] [blame] | 205 | // create a counter for the new key |
| 206 | (*mCurrentSlicedCounter)[eventKey] = 1; |
| 207 | } else { |
| 208 | // increment the existing value |
| 209 | auto& count = it->second; |
| 210 | count++; |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 211 | } |
Yao Chen | 6a8c799 | 2017-11-29 20:02:07 +0000 | [diff] [blame] | 212 | |
| 213 | for (auto& tracker : mAnomalyTrackers) { |
| 214 | tracker->detectAndDeclareAnomaly(eventTimeNs, mCurrentBucketNum, eventKey, |
| 215 | mCurrentSlicedCounter->find(eventKey)->second); |
| 216 | } |
| 217 | |
Yao Chen | f09569f | 2017-12-13 17:00:51 -0800 | [diff] [blame] | 218 | VLOG("metric %s %s->%lld", mName.c_str(), eventKey.c_str(), |
Yao Chen | 6a8c799 | 2017-11-29 20:02:07 +0000 | [diff] [blame] | 219 | (long long)(*mCurrentSlicedCounter)[eventKey]); |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 220 | } |
| 221 | |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 222 | // When a new matched event comes in, we check if event falls into the current |
| 223 | // bucket. If not, flush the old counter to past buckets and initialize the new bucket. |
Yangster | f2bee6f | 2017-11-29 12:01:05 -0800 | [diff] [blame] | 224 | void CountMetricProducer::flushIfNeededLocked(const uint64_t& eventTimeNs) { |
Yangster-mac | e2cd6d5 | 2017-11-09 20:38:30 -0800 | [diff] [blame] | 225 | if (eventTimeNs < mCurrentBucketStartTimeNs + mBucketSizeNs) { |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 226 | return; |
| 227 | } |
| 228 | |
Yao Chen | 93fe3a3 | 2017-11-02 13:52:59 -0700 | [diff] [blame] | 229 | CountBucket info; |
| 230 | info.mBucketStartNs = mCurrentBucketStartTimeNs; |
| 231 | info.mBucketEndNs = mCurrentBucketStartTimeNs + mBucketSizeNs; |
Yangster-mac | e2cd6d5 | 2017-11-09 20:38:30 -0800 | [diff] [blame] | 232 | info.mBucketNum = mCurrentBucketNum; |
Yang Lu | 3eba621 | 2017-10-25 19:54:45 -0700 | [diff] [blame] | 233 | for (const auto& counter : *mCurrentSlicedCounter) { |
Yao Chen | 93fe3a3 | 2017-11-02 13:52:59 -0700 | [diff] [blame] | 234 | info.mCount = counter.second; |
| 235 | auto& bucketList = mPastBuckets[counter.first]; |
| 236 | bucketList.push_back(info); |
Yao Chen | f09569f | 2017-12-13 17:00:51 -0800 | [diff] [blame] | 237 | VLOG("metric %s, dump key value: %s -> %lld", mName.c_str(), counter.first.c_str(), |
Yangster-mac | e2cd6d5 | 2017-11-09 20:38:30 -0800 | [diff] [blame] | 238 | (long long)counter.second); |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 239 | } |
| 240 | |
Yang Lu | 3eba621 | 2017-10-25 19:54:45 -0700 | [diff] [blame] | 241 | for (auto& tracker : mAnomalyTrackers) { |
Yangster-mac | e2cd6d5 | 2017-11-09 20:38:30 -0800 | [diff] [blame] | 242 | tracker->addPastBucket(mCurrentSlicedCounter, mCurrentBucketNum); |
Yang Lu | 3eba621 | 2017-10-25 19:54:45 -0700 | [diff] [blame] | 243 | } |
Bookatz | d3606c7 | 2017-10-19 10:13:49 -0700 | [diff] [blame] | 244 | |
Yang Lu | 3eba621 | 2017-10-25 19:54:45 -0700 | [diff] [blame] | 245 | // Reset counters (do not clear, since the old one is still referenced in mAnomalyTrackers). |
| 246 | mCurrentSlicedCounter = std::make_shared<DimToValMap>(); |
Yangster-mac | e2cd6d5 | 2017-11-09 20:38:30 -0800 | [diff] [blame] | 247 | uint64_t numBucketsForward = (eventTimeNs - mCurrentBucketStartTimeNs) / mBucketSizeNs; |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 248 | mCurrentBucketStartTimeNs = mCurrentBucketStartTimeNs + numBucketsForward * mBucketSizeNs; |
Yang Lu | 3eba621 | 2017-10-25 19:54:45 -0700 | [diff] [blame] | 249 | mCurrentBucketNum += numBucketsForward; |
Yao Chen | f09569f | 2017-12-13 17:00:51 -0800 | [diff] [blame] | 250 | VLOG("metric %s: new bucket start time: %lld", mName.c_str(), |
Yao Chen | 729093d | 2017-10-16 10:33:26 -0700 | [diff] [blame] | 251 | (long long)mCurrentBucketStartTimeNs); |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 252 | } |
| 253 | |
yro | 24809bd | 2017-10-31 23:06:53 -0700 | [diff] [blame] | 254 | // Rough estimate of CountMetricProducer buffer stored. This number will be |
| 255 | // greater than actual data size as it contains each dimension of |
| 256 | // CountMetricData is duplicated. |
Yangster | f2bee6f | 2017-11-29 12:01:05 -0800 | [diff] [blame] | 257 | size_t CountMetricProducer::byteSizeLocked() const { |
Yangster-mac | e2cd6d5 | 2017-11-09 20:38:30 -0800 | [diff] [blame] | 258 | size_t totalSize = 0; |
| 259 | for (const auto& pair : mPastBuckets) { |
| 260 | totalSize += pair.second.size() * kBucketSize; |
| 261 | } |
| 262 | return totalSize; |
yro | 69007c8 | 2017-10-26 20:42:57 -0700 | [diff] [blame] | 263 | } |
| 264 | |
Yao Chen | 44cf27c | 2017-09-14 22:32:50 -0700 | [diff] [blame] | 265 | } // namespace statsd |
| 266 | } // namespace os |
yro | 69007c8 | 2017-10-26 20:42:57 -0700 | [diff] [blame] | 267 | } // namespace android |