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1 // Copyright (C) 2017 The Android Open Source Project
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //      http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #include "src/metrics/DurationMetricProducer.h"
16 
17 #include <gmock/gmock.h>
18 #include <gtest/gtest.h>
19 #include <stdio.h>
20 
21 #include <set>
22 #include <unordered_map>
23 #include <vector>
24 
25 #include "metrics_test_helper.h"
26 #include "src/condition/ConditionWizard.h"
27 #include "src/stats_log_util.h"
28 #include "stats_event.h"
29 #include "tests/statsd_test_util.h"
30 
31 using namespace android::os::statsd;
32 using namespace testing;
33 using android::sp;
34 using std::set;
35 using std::unordered_map;
36 using std::vector;
37 
38 #ifdef __ANDROID__
39 
40 namespace android {
41 namespace os {
42 namespace statsd {
43 
44 
45 namespace {
46 
47 const ConfigKey kConfigKey(0, 12345);
48 const uint64_t protoHash = 0x1234567890;
makeLogEvent(LogEvent * logEvent,int64_t timestampNs,int atomId)49 void makeLogEvent(LogEvent* logEvent, int64_t timestampNs, int atomId) {
50     AStatsEvent* statsEvent = AStatsEvent_obtain();
51     AStatsEvent_setAtomId(statsEvent, atomId);
52     AStatsEvent_overwriteTimestamp(statsEvent, timestampNs);
53 
54     parseStatsEventToLogEvent(statsEvent, logEvent);
55 }
56 
57 }  // namespace
58 
59 // Setup for parameterized tests.
60 class DurationMetricProducerTest_PartialBucket : public TestWithParam<BucketSplitEvent> {};
61 
62 INSTANTIATE_TEST_SUITE_P(DurationMetricProducerTest_PartialBucket,
63                          DurationMetricProducerTest_PartialBucket,
64                          testing::Values(APP_UPGRADE, BOOT_COMPLETE));
65 
TEST(DurationMetricTrackerTest,TestFirstBucket)66 TEST(DurationMetricTrackerTest, TestFirstBucket) {
67     sp<MockConditionWizard> wizard = new NaggyMock<MockConditionWizard>();
68     DurationMetric metric;
69     metric.set_id(1);
70     metric.set_bucket(ONE_MINUTE);
71     metric.set_aggregation_type(DurationMetric_AggregationType_SUM);
72 
73     FieldMatcher dimensions;
74 
75     DurationMetricProducer durationProducer(
76             kConfigKey, metric, -1 /*no condition*/, {}, -1 /*what index not needed*/,
77             1 /* start index */, 2 /* stop index */, 3 /* stop_all index */, false /*nesting*/,
78             wizard, protoHash, dimensions, 5, 600 * NS_PER_SEC + NS_PER_SEC / 2);
79 
80     EXPECT_EQ(600500000000, durationProducer.mCurrentBucketStartTimeNs);
81     EXPECT_EQ(10, durationProducer.mCurrentBucketNum);
82     EXPECT_EQ(660000000005, durationProducer.getCurrentBucketEndTimeNs());
83 }
84 
TEST(DurationMetricTrackerTest,TestNoCondition)85 TEST(DurationMetricTrackerTest, TestNoCondition) {
86     sp<MockConditionWizard> wizard = new NaggyMock<MockConditionWizard>();
87     int64_t bucketStartTimeNs = 10000000000;
88     int64_t bucketSizeNs = TimeUnitToBucketSizeInMillis(ONE_MINUTE) * 1000000LL;
89 
90     DurationMetric metric;
91     metric.set_id(1);
92     metric.set_bucket(ONE_MINUTE);
93     metric.set_aggregation_type(DurationMetric_AggregationType_SUM);
94 
95     int tagId = 1;
96     LogEvent event1(/*uid=*/0, /*pid=*/0);
97     makeLogEvent(&event1, bucketStartTimeNs + 1, tagId);
98     LogEvent event2(/*uid=*/0, /*pid=*/0);
99     makeLogEvent(&event2, bucketStartTimeNs + bucketSizeNs + 2, tagId);
100 
101     FieldMatcher dimensions;
102 
103     DurationMetricProducer durationProducer(
104             kConfigKey, metric, -1 /*no condition*/, {}, -1 /*what index not needed*/,
105             1 /* start index */, 2 /* stop index */, 3 /* stop_all index */, false /*nesting*/,
106             wizard, protoHash, dimensions, bucketStartTimeNs, bucketStartTimeNs);
107 
108     durationProducer.onMatchedLogEvent(1 /* start index*/, event1);
109     durationProducer.onMatchedLogEvent(2 /* stop index*/, event2);
110     durationProducer.flushIfNeededLocked(bucketStartTimeNs + 2 * bucketSizeNs + 1);
111     ASSERT_EQ(1UL, durationProducer.mPastBuckets.size());
112     EXPECT_TRUE(durationProducer.mPastBuckets.find(DEFAULT_METRIC_DIMENSION_KEY) !=
113                 durationProducer.mPastBuckets.end());
114     const auto& buckets = durationProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY];
115     ASSERT_EQ(2UL, buckets.size());
116     EXPECT_EQ(bucketStartTimeNs, buckets[0].mBucketStartNs);
117     EXPECT_EQ(bucketStartTimeNs + bucketSizeNs, buckets[0].mBucketEndNs);
118     EXPECT_EQ(bucketSizeNs - 1LL, buckets[0].mDuration);
119     EXPECT_EQ(bucketStartTimeNs + bucketSizeNs, buckets[1].mBucketStartNs);
120     EXPECT_EQ(bucketStartTimeNs + 2 * bucketSizeNs, buckets[1].mBucketEndNs);
121     EXPECT_EQ(2LL, buckets[1].mDuration);
122 }
123 
TEST(DurationMetricTrackerTest,TestNonSlicedCondition)124 TEST(DurationMetricTrackerTest, TestNonSlicedCondition) {
125     sp<MockConditionWizard> wizard = new NaggyMock<MockConditionWizard>();
126     int64_t bucketStartTimeNs = 10000000000;
127     int64_t bucketSizeNs = TimeUnitToBucketSizeInMillis(ONE_MINUTE) * 1000000LL;
128 
129     DurationMetric metric;
130     metric.set_id(1);
131     metric.set_bucket(ONE_MINUTE);
132     metric.set_aggregation_type(DurationMetric_AggregationType_SUM);
133 
134     int tagId = 1;
135     LogEvent event1(/*uid=*/0, /*pid=*/0);
136     makeLogEvent(&event1, bucketStartTimeNs + 1, tagId);
137     LogEvent event2(/*uid=*/0, /*pid=*/0);
138     makeLogEvent(&event2, bucketStartTimeNs + 2, tagId);
139     LogEvent event3(/*uid=*/0, /*pid=*/0);
140     makeLogEvent(&event3, bucketStartTimeNs + bucketSizeNs + 1, tagId);
141     LogEvent event4(/*uid=*/0, /*pid=*/0);
142     makeLogEvent(&event4, bucketStartTimeNs + bucketSizeNs + 3, tagId);
143 
144     FieldMatcher dimensions;
145 
146     DurationMetricProducer durationProducer(
147             kConfigKey, metric, 0 /* condition index */, {ConditionState::kUnknown},
148             -1 /*what index not needed*/, 1 /* start index */, 2 /* stop index */,
149             3 /* stop_all index */, false /*nesting*/, wizard, protoHash, dimensions,
150             bucketStartTimeNs, bucketStartTimeNs);
151     durationProducer.mCondition = ConditionState::kFalse;
152 
153     EXPECT_FALSE(durationProducer.mCondition);
154     EXPECT_FALSE(durationProducer.isConditionSliced());
155 
156     durationProducer.onMatchedLogEvent(1 /* start index*/, event1);
157     durationProducer.onMatchedLogEvent(2 /* stop index*/, event2);
158     durationProducer.flushIfNeededLocked(bucketStartTimeNs + bucketSizeNs + 1);
159     ASSERT_EQ(0UL, durationProducer.mPastBuckets.size());
160 
161     durationProducer.onMatchedLogEvent(1 /* start index*/, event3);
162     durationProducer.onConditionChanged(true /* condition */, bucketStartTimeNs + bucketSizeNs + 2);
163     durationProducer.onMatchedLogEvent(2 /* stop index*/, event4);
164     durationProducer.flushIfNeededLocked(bucketStartTimeNs + 2 * bucketSizeNs + 1);
165     ASSERT_EQ(1UL, durationProducer.mPastBuckets.size());
166     EXPECT_TRUE(durationProducer.mPastBuckets.find(DEFAULT_METRIC_DIMENSION_KEY) !=
167                 durationProducer.mPastBuckets.end());
168     const auto& buckets2 = durationProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY];
169     ASSERT_EQ(1UL, buckets2.size());
170     EXPECT_EQ(bucketStartTimeNs + bucketSizeNs, buckets2[0].mBucketStartNs);
171     EXPECT_EQ(bucketStartTimeNs + 2 * bucketSizeNs, buckets2[0].mBucketEndNs);
172     EXPECT_EQ(1LL, buckets2[0].mDuration);
173 }
174 
TEST(DurationMetricTrackerTest,TestNonSlicedConditionUnknownState)175 TEST(DurationMetricTrackerTest, TestNonSlicedConditionUnknownState) {
176     sp<MockConditionWizard> wizard = new NaggyMock<MockConditionWizard>();
177     int64_t bucketStartTimeNs = 10000000000;
178     int64_t bucketSizeNs = TimeUnitToBucketSizeInMillis(ONE_MINUTE) * 1000000LL;
179 
180     DurationMetric metric;
181     metric.set_id(1);
182     metric.set_bucket(ONE_MINUTE);
183     metric.set_aggregation_type(DurationMetric_AggregationType_SUM);
184 
185     int tagId = 1;
186     LogEvent event1(/*uid=*/0, /*pid=*/0);
187     makeLogEvent(&event1, bucketStartTimeNs + 1, tagId);
188     LogEvent event2(/*uid=*/0, /*pid=*/0);
189     makeLogEvent(&event2, bucketStartTimeNs + 2, tagId);
190     LogEvent event3(/*uid=*/0, /*pid=*/0);
191     makeLogEvent(&event3, bucketStartTimeNs + bucketSizeNs + 1, tagId);
192     LogEvent event4(/*uid=*/0, /*pid=*/0);
193     makeLogEvent(&event4, bucketStartTimeNs + bucketSizeNs + 3, tagId);
194 
195     FieldMatcher dimensions;
196 
197     DurationMetricProducer durationProducer(
198             kConfigKey, metric, 0 /* condition index */, {ConditionState::kUnknown},
199             -1 /*what index not needed*/, 1 /* start index */, 2 /* stop index */,
200             3 /* stop_all index */, false /*nesting*/, wizard, protoHash, dimensions,
201             bucketStartTimeNs, bucketStartTimeNs);
202 
203     EXPECT_EQ(ConditionState::kUnknown, durationProducer.mCondition);
204     EXPECT_FALSE(durationProducer.isConditionSliced());
205 
206     durationProducer.onMatchedLogEvent(1 /* start index*/, event1);
207     durationProducer.onMatchedLogEvent(2 /* stop index*/, event2);
208     durationProducer.flushIfNeededLocked(bucketStartTimeNs + bucketSizeNs + 1);
209     ASSERT_EQ(0UL, durationProducer.mPastBuckets.size());
210 
211     durationProducer.onMatchedLogEvent(1 /* start index*/, event3);
212     durationProducer.onConditionChanged(true /* condition */, bucketStartTimeNs + bucketSizeNs + 2);
213     durationProducer.onMatchedLogEvent(2 /* stop index*/, event4);
214     durationProducer.flushIfNeededLocked(bucketStartTimeNs + 2 * bucketSizeNs + 1);
215     ASSERT_EQ(1UL, durationProducer.mPastBuckets.size());
216     const auto& buckets2 = durationProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY];
217     ASSERT_EQ(1UL, buckets2.size());
218     EXPECT_EQ(bucketStartTimeNs + bucketSizeNs, buckets2[0].mBucketStartNs);
219     EXPECT_EQ(bucketStartTimeNs + 2 * bucketSizeNs, buckets2[0].mBucketEndNs);
220     EXPECT_EQ(1LL, buckets2[0].mDuration);
221 }
222 
TEST_P(DurationMetricProducerTest_PartialBucket,TestSumDuration)223 TEST_P(DurationMetricProducerTest_PartialBucket, TestSumDuration) {
224     /**
225      * The duration starts from the first bucket, through the two partial buckets (10-70sec),
226      * another bucket, and ends at the beginning of the next full bucket.
227      * Expected buckets:
228      *  - [10,25]: 14 secs
229      *  - [25,70]: All 45 secs
230      *  - [70,130]: All 60 secs
231      *  - [130, 210]: Only 5 secs (event ended at 135sec)
232      */
233     int64_t bucketStartTimeNs = 10000000000;
234     int64_t bucketSizeNs = TimeUnitToBucketSizeInMillis(ONE_MINUTE) * 1000000LL;
235     int tagId = 1;
236 
237     DurationMetric metric;
238     metric.set_id(1);
239     metric.set_bucket(ONE_MINUTE);
240     metric.set_aggregation_type(DurationMetric_AggregationType_SUM);
241     sp<MockConditionWizard> wizard = new NaggyMock<MockConditionWizard>();
242     FieldMatcher dimensions;
243 
244     DurationMetricProducer durationProducer(
245             kConfigKey, metric, -1 /* no condition */, {}, -1 /*what index not needed*/,
246             1 /* start index */, 2 /* stop index */, 3 /* stop_all index */, false /*nesting*/,
247             wizard, protoHash, dimensions, bucketStartTimeNs, bucketStartTimeNs);
248 
249     int64_t startTimeNs = bucketStartTimeNs + 1 * NS_PER_SEC;
250     LogEvent event1(/*uid=*/0, /*pid=*/0);
251     makeLogEvent(&event1, startTimeNs, tagId);
252     durationProducer.onMatchedLogEvent(1 /* start index*/, event1);
253     ASSERT_EQ(0UL, durationProducer.mPastBuckets.size());
254     EXPECT_EQ(bucketStartTimeNs, durationProducer.mCurrentBucketStartTimeNs);
255 
256     int64_t partialBucketSplitTimeNs = bucketStartTimeNs + 15 * NS_PER_SEC;
257     switch (GetParam()) {
258         case APP_UPGRADE:
259             durationProducer.notifyAppUpgrade(partialBucketSplitTimeNs);
260             break;
261         case BOOT_COMPLETE:
262             durationProducer.onStatsdInitCompleted(partialBucketSplitTimeNs);
263             break;
264     }
265     ASSERT_EQ(1UL, durationProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY].size());
266     std::vector<DurationBucket> buckets =
267             durationProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY];
268     EXPECT_EQ(bucketStartTimeNs, buckets[0].mBucketStartNs);
269     EXPECT_EQ(partialBucketSplitTimeNs, buckets[0].mBucketEndNs);
270     EXPECT_EQ(partialBucketSplitTimeNs - startTimeNs, buckets[0].mDuration);
271     EXPECT_EQ(partialBucketSplitTimeNs, durationProducer.mCurrentBucketStartTimeNs);
272     EXPECT_EQ(0, durationProducer.getCurrentBucketNum());
273 
274     // We skip ahead one bucket, so we fill in the first two partial buckets and one full bucket.
275     int64_t endTimeNs = startTimeNs + 125 * NS_PER_SEC;
276     LogEvent event2(/*uid=*/0, /*pid=*/0);
277     makeLogEvent(&event2, endTimeNs, tagId);
278     durationProducer.onMatchedLogEvent(2 /* stop index*/, event2);
279     buckets = durationProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY];
280     ASSERT_EQ(3UL, buckets.size());
281     EXPECT_EQ(partialBucketSplitTimeNs, buckets[1].mBucketStartNs);
282     EXPECT_EQ(bucketStartTimeNs + bucketSizeNs, buckets[1].mBucketEndNs);
283     EXPECT_EQ(bucketStartTimeNs + bucketSizeNs - partialBucketSplitTimeNs, buckets[1].mDuration);
284     EXPECT_EQ(bucketStartTimeNs + bucketSizeNs, buckets[2].mBucketStartNs);
285     EXPECT_EQ(bucketStartTimeNs + 2 * bucketSizeNs, buckets[2].mBucketEndNs);
286     EXPECT_EQ(bucketSizeNs, buckets[2].mDuration);
287 }
288 
TEST_P(DurationMetricProducerTest_PartialBucket,TestSumDurationWithSplitInFollowingBucket)289 TEST_P(DurationMetricProducerTest_PartialBucket, TestSumDurationWithSplitInFollowingBucket) {
290     /**
291      * Expected buckets (start at 11s, upgrade at 75s, end at 135s):
292      *  - [10,70]: 59 secs
293      *  - [70,75]: 5 sec
294      *  - [75,130]: 55 secs
295      */
296     int64_t bucketStartTimeNs = 10000000000;
297     int64_t bucketSizeNs = TimeUnitToBucketSizeInMillis(ONE_MINUTE) * 1000000LL;
298     int tagId = 1;
299 
300     DurationMetric metric;
301     metric.set_id(1);
302     metric.set_bucket(ONE_MINUTE);
303     metric.set_aggregation_type(DurationMetric_AggregationType_SUM);
304     sp<MockConditionWizard> wizard = new NaggyMock<MockConditionWizard>();
305     FieldMatcher dimensions;
306 
307     DurationMetricProducer durationProducer(
308             kConfigKey, metric, -1 /* no condition */, {}, -1 /*what index not needed*/,
309             1 /* start index */, 2 /* stop index */, 3 /* stop_all index */, false /*nesting*/,
310             wizard, protoHash, dimensions, bucketStartTimeNs, bucketStartTimeNs);
311 
312     int64_t startTimeNs = bucketStartTimeNs + 1 * NS_PER_SEC;
313     LogEvent event1(/*uid=*/0, /*pid=*/0);
314     makeLogEvent(&event1, startTimeNs, tagId);
315     durationProducer.onMatchedLogEvent(1 /* start index*/, event1);
316     ASSERT_EQ(0UL, durationProducer.mPastBuckets.size());
317     EXPECT_EQ(bucketStartTimeNs, durationProducer.mCurrentBucketStartTimeNs);
318 
319     int64_t partialBucketSplitTimeNs = bucketStartTimeNs + 65 * NS_PER_SEC;
320     switch (GetParam()) {
321         case APP_UPGRADE:
322             durationProducer.notifyAppUpgrade(partialBucketSplitTimeNs);
323             break;
324         case BOOT_COMPLETE:
325             durationProducer.onStatsdInitCompleted(partialBucketSplitTimeNs);
326             break;
327     }
328     ASSERT_EQ(2UL, durationProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY].size());
329     std::vector<DurationBucket> buckets =
330             durationProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY];
331     EXPECT_EQ(bucketStartTimeNs, buckets[0].mBucketStartNs);
332     EXPECT_EQ(bucketStartTimeNs + bucketSizeNs, buckets[0].mBucketEndNs);
333     EXPECT_EQ(bucketStartTimeNs + bucketSizeNs - startTimeNs, buckets[0].mDuration);
334     EXPECT_EQ(bucketStartTimeNs + bucketSizeNs, buckets[1].mBucketStartNs);
335     EXPECT_EQ(partialBucketSplitTimeNs, buckets[1].mBucketEndNs);
336     EXPECT_EQ(partialBucketSplitTimeNs - (bucketStartTimeNs + bucketSizeNs), buckets[1].mDuration);
337     EXPECT_EQ(partialBucketSplitTimeNs, durationProducer.mCurrentBucketStartTimeNs);
338     EXPECT_EQ(1, durationProducer.getCurrentBucketNum());
339 
340     // We skip ahead one bucket, so we fill in the first two partial buckets and one full bucket.
341     int64_t endTimeNs = startTimeNs + 125 * NS_PER_SEC;
342     LogEvent event2(/*uid=*/0, /*pid=*/0);
343     makeLogEvent(&event2, endTimeNs, tagId);
344     durationProducer.onMatchedLogEvent(2 /* stop index*/, event2);
345     buckets = durationProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY];
346     ASSERT_EQ(3UL, buckets.size());
347     EXPECT_EQ(partialBucketSplitTimeNs, buckets[2].mBucketStartNs);
348     EXPECT_EQ(bucketStartTimeNs + 2 * bucketSizeNs, buckets[2].mBucketEndNs);
349     EXPECT_EQ(bucketStartTimeNs + 2 * bucketSizeNs - partialBucketSplitTimeNs,
350               buckets[2].mDuration);
351 }
352 
TEST_P(DurationMetricProducerTest_PartialBucket,TestSumDurationAnomaly)353 TEST_P(DurationMetricProducerTest_PartialBucket, TestSumDurationAnomaly) {
354     sp<AlarmMonitor> alarmMonitor;
355     int64_t bucketStartTimeNs = 10000000000;
356     int64_t bucketSizeNs = TimeUnitToBucketSizeInMillis(ONE_MINUTE) * 1000000LL;
357     int tagId = 1;
358 
359     // Setup metric with alert.
360     DurationMetric metric;
361     metric.set_id(1);
362     metric.set_bucket(ONE_MINUTE);
363     metric.set_aggregation_type(DurationMetric_AggregationType_SUM);
364     Alert alert;
365     alert.set_num_buckets(3);
366     alert.set_trigger_if_sum_gt(2);
367 
368     sp<MockConditionWizard> wizard = new NaggyMock<MockConditionWizard>();
369     FieldMatcher dimensions;
370 
371     DurationMetricProducer durationProducer(
372             kConfigKey, metric, -1 /* no condition */, {}, -1 /*what index not needed*/,
373             1 /* start index */, 2 /* stop index */, 3 /* stop_all index */, false /*nesting*/,
374             wizard, protoHash, dimensions, bucketStartTimeNs, bucketStartTimeNs);
375 
376     sp<AnomalyTracker> anomalyTracker =
377             durationProducer.addAnomalyTracker(alert, alarmMonitor, UPDATE_NEW, bucketStartTimeNs);
378     EXPECT_TRUE(anomalyTracker != nullptr);
379 
380     int64_t startTimeNs = bucketStartTimeNs + 1;
381     LogEvent event1(/*uid=*/0, /*pid=*/0);
382     makeLogEvent(&event1, startTimeNs, tagId);
383     durationProducer.onMatchedLogEvent(1 /* start index*/, event1);
384 
385     int64_t partialBucketSplitTimeNs = bucketStartTimeNs + 15 * NS_PER_SEC;
386     switch (GetParam()) {
387         case APP_UPGRADE:
388             durationProducer.notifyAppUpgrade(partialBucketSplitTimeNs);
389             break;
390         case BOOT_COMPLETE:
391             durationProducer.onStatsdInitCompleted(partialBucketSplitTimeNs);
392             break;
393     }
394 
395     // We skip ahead one bucket, so we fill in the first two partial buckets and one full bucket.
396     int64_t endTimeNs = startTimeNs + 65 * NS_PER_SEC;
397     LogEvent event2(/*uid=*/0, /*pid=*/0);
398     makeLogEvent(&event2, endTimeNs, tagId);
399     durationProducer.onMatchedLogEvent(2 /* stop index*/, event2);
400 
401     EXPECT_EQ(bucketStartTimeNs + bucketSizeNs - startTimeNs,
402               anomalyTracker->getSumOverPastBuckets(DEFAULT_METRIC_DIMENSION_KEY));
403 }
404 
TEST_P(DurationMetricProducerTest_PartialBucket,TestMaxDuration)405 TEST_P(DurationMetricProducerTest_PartialBucket, TestMaxDuration) {
406     int64_t bucketStartTimeNs = 10000000000;
407     int64_t bucketSizeNs = TimeUnitToBucketSizeInMillis(ONE_MINUTE) * 1000000LL;
408     int tagId = 1;
409 
410     DurationMetric metric;
411     metric.set_id(1);
412     metric.set_bucket(ONE_MINUTE);
413     metric.set_aggregation_type(DurationMetric_AggregationType_MAX_SPARSE);
414 
415     sp<MockConditionWizard> wizard = new NaggyMock<MockConditionWizard>();
416     FieldMatcher dimensions;
417 
418     DurationMetricProducer durationProducer(
419             kConfigKey, metric, -1 /* no condition */, {}, -1 /*what index not needed*/,
420             1 /* start index */, 2 /* stop index */, 3 /* stop_all index */, false /*nesting*/,
421             wizard, protoHash, dimensions, bucketStartTimeNs, bucketStartTimeNs);
422 
423     int64_t startTimeNs = bucketStartTimeNs + 1;
424     LogEvent event1(/*uid=*/0, /*pid=*/0);
425     makeLogEvent(&event1, startTimeNs, tagId);
426     durationProducer.onMatchedLogEvent(1 /* start index*/, event1);
427     ASSERT_EQ(0UL, durationProducer.mPastBuckets.size());
428     EXPECT_EQ(bucketStartTimeNs, durationProducer.mCurrentBucketStartTimeNs);
429 
430     int64_t partialBucketSplitTimeNs = bucketStartTimeNs + 15 * NS_PER_SEC;
431     switch (GetParam()) {
432         case APP_UPGRADE:
433             durationProducer.notifyAppUpgrade(partialBucketSplitTimeNs);
434             break;
435         case BOOT_COMPLETE:
436             durationProducer.onStatsdInitCompleted(partialBucketSplitTimeNs);
437             break;
438     }
439     ASSERT_EQ(0UL, durationProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY].size());
440     EXPECT_EQ(partialBucketSplitTimeNs, durationProducer.mCurrentBucketStartTimeNs);
441     EXPECT_EQ(0, durationProducer.getCurrentBucketNum());
442 
443     // We skip ahead one bucket, so we fill in the first two partial buckets and one full bucket.
444     int64_t endTimeNs = startTimeNs + 125 * NS_PER_SEC;
445     LogEvent event2(/*uid=*/0, /*pid=*/0);
446     makeLogEvent(&event2, endTimeNs, tagId);
447     durationProducer.onMatchedLogEvent(2 /* stop index*/, event2);
448     ASSERT_EQ(0UL, durationProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY].size());
449 
450     durationProducer.flushIfNeededLocked(bucketStartTimeNs + 3 * bucketSizeNs + 1);
451     std::vector<DurationBucket> buckets =
452             durationProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY];
453     ASSERT_EQ(1UL, buckets.size());
454     EXPECT_EQ(bucketStartTimeNs + 2 * bucketSizeNs, buckets[0].mBucketStartNs);
455     EXPECT_EQ(bucketStartTimeNs + 3 * bucketSizeNs, buckets[0].mBucketEndNs);
456     EXPECT_EQ(endTimeNs - startTimeNs, buckets[0].mDuration);
457 }
458 
TEST_P(DurationMetricProducerTest_PartialBucket,TestMaxDurationWithSplitInNextBucket)459 TEST_P(DurationMetricProducerTest_PartialBucket, TestMaxDurationWithSplitInNextBucket) {
460     int64_t bucketStartTimeNs = 10000000000;
461     int64_t bucketSizeNs = TimeUnitToBucketSizeInMillis(ONE_MINUTE) * 1000000LL;
462     int tagId = 1;
463 
464     DurationMetric metric;
465     metric.set_id(1);
466     metric.set_bucket(ONE_MINUTE);
467     metric.set_aggregation_type(DurationMetric_AggregationType_MAX_SPARSE);
468 
469     sp<MockConditionWizard> wizard = new NaggyMock<MockConditionWizard>();
470     FieldMatcher dimensions;
471 
472     DurationMetricProducer durationProducer(
473             kConfigKey, metric, -1 /* no condition */, {}, -1 /*what index not needed*/,
474             1 /* start index */, 2 /* stop index */, 3 /* stop_all index */, false /*nesting*/,
475             wizard, protoHash, dimensions, bucketStartTimeNs, bucketStartTimeNs);
476 
477     int64_t startTimeNs = bucketStartTimeNs + 1;
478     LogEvent event1(/*uid=*/0, /*pid=*/0);
479     makeLogEvent(&event1, startTimeNs, tagId);
480     durationProducer.onMatchedLogEvent(1 /* start index*/, event1);
481     ASSERT_EQ(0UL, durationProducer.mPastBuckets.size());
482     EXPECT_EQ(bucketStartTimeNs, durationProducer.mCurrentBucketStartTimeNs);
483 
484     int64_t partialBucketSplitTimeNs = bucketStartTimeNs + 65 * NS_PER_SEC;
485     switch (GetParam()) {
486         case APP_UPGRADE:
487             durationProducer.notifyAppUpgrade(partialBucketSplitTimeNs);
488             break;
489         case BOOT_COMPLETE:
490             durationProducer.onStatsdInitCompleted(partialBucketSplitTimeNs);
491             break;
492     }
493     ASSERT_EQ(0UL, durationProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY].size());
494     EXPECT_EQ(partialBucketSplitTimeNs, durationProducer.mCurrentBucketStartTimeNs);
495     EXPECT_EQ(1, durationProducer.getCurrentBucketNum());
496 
497     // Stop occurs in the same partial bucket as created for the app upgrade.
498     int64_t endTimeNs = startTimeNs + 115 * NS_PER_SEC;
499     LogEvent event2(/*uid=*/0, /*pid=*/0);
500     makeLogEvent(&event2, endTimeNs, tagId);
501     durationProducer.onMatchedLogEvent(2 /* stop index*/, event2);
502     ASSERT_EQ(0UL, durationProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY].size());
503     EXPECT_EQ(partialBucketSplitTimeNs, durationProducer.mCurrentBucketStartTimeNs);
504 
505     durationProducer.flushIfNeededLocked(bucketStartTimeNs + 2 * bucketSizeNs + 1);
506     std::vector<DurationBucket> buckets =
507             durationProducer.mPastBuckets[DEFAULT_METRIC_DIMENSION_KEY];
508     ASSERT_EQ(1UL, buckets.size());
509     EXPECT_EQ(partialBucketSplitTimeNs, buckets[0].mBucketStartNs);
510     EXPECT_EQ(bucketStartTimeNs + 2 * bucketSizeNs, buckets[0].mBucketEndNs);
511     EXPECT_EQ(endTimeNs - startTimeNs, buckets[0].mDuration);
512 }
513 
514 }  // namespace statsd
515 }  // namespace os
516 }  // namespace android
517 #else
518 GTEST_LOG_(INFO) << "This test does nothing.\n";
519 #endif
520