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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/guardrail/StatsdStats.h"
#include "statslog.h"
#include "tests/statsd_test_util.h"
#include <gtest/gtest.h>
#include <vector>
#ifdef __ANDROID__
namespace android {
namespace os {
namespace statsd {
using std::vector;
TEST(StatsdStatsTest, TestValidConfigAdd) {
StatsdStats stats;
ConfigKey key(0, 12345);
const int metricsCount = 10;
const int conditionsCount = 20;
const int matchersCount = 30;
const int alertsCount = 10;
stats.noteConfigReceived(key, metricsCount, conditionsCount, matchersCount, alertsCount, {},
true /*valid config*/);
vector<uint8_t> output;
stats.dumpStats(&output, false /*reset stats*/);
StatsdStatsReport report;
bool good = report.ParseFromArray(&output[0], output.size());
EXPECT_TRUE(good);
EXPECT_EQ(1, report.config_stats_size());
const auto& configReport = report.config_stats(0);
EXPECT_EQ(0, configReport.uid());
EXPECT_EQ(12345, configReport.id());
EXPECT_EQ(metricsCount, configReport.metric_count());
EXPECT_EQ(conditionsCount, configReport.condition_count());
EXPECT_EQ(matchersCount, configReport.matcher_count());
EXPECT_EQ(alertsCount, configReport.alert_count());
EXPECT_EQ(true, configReport.is_valid());
EXPECT_FALSE(configReport.has_deletion_time_sec());
}
TEST(StatsdStatsTest, TestInvalidConfigAdd) {
StatsdStats stats;
ConfigKey key(0, 12345);
const int metricsCount = 10;
const int conditionsCount = 20;
const int matchersCount = 30;
const int alertsCount = 10;
stats.noteConfigReceived(key, metricsCount, conditionsCount, matchersCount, alertsCount, {},
false /*bad config*/);
vector<uint8_t> output;
stats.dumpStats(&output, false);
StatsdStatsReport report;
bool good = report.ParseFromArray(&output[0], output.size());
EXPECT_TRUE(good);
EXPECT_EQ(1, report.config_stats_size());
const auto& configReport = report.config_stats(0);
// The invalid config should be put into icebox with a deletion time.
EXPECT_TRUE(configReport.has_deletion_time_sec());
}
TEST(StatsdStatsTest, TestConfigRemove) {
StatsdStats stats;
ConfigKey key(0, 12345);
const int metricsCount = 10;
const int conditionsCount = 20;
const int matchersCount = 30;
const int alertsCount = 10;
stats.noteConfigReceived(key, metricsCount, conditionsCount, matchersCount, alertsCount, {},
true);
vector<uint8_t> output;
stats.dumpStats(&output, false);
StatsdStatsReport report;
bool good = report.ParseFromArray(&output[0], output.size());
EXPECT_TRUE(good);
EXPECT_EQ(1, report.config_stats_size());
const auto& configReport = report.config_stats(0);
EXPECT_FALSE(configReport.has_deletion_time_sec());
stats.noteConfigRemoved(key);
stats.dumpStats(&output, false);
good = report.ParseFromArray(&output[0], output.size());
EXPECT_TRUE(good);
EXPECT_EQ(1, report.config_stats_size());
const auto& configReport2 = report.config_stats(0);
EXPECT_TRUE(configReport2.has_deletion_time_sec());
}
TEST(StatsdStatsTest, TestSubStats) {
StatsdStats stats;
ConfigKey key(0, 12345);
stats.noteConfigReceived(key, 2, 3, 4, 5, {std::make_pair(123, 456)}, true);
stats.noteMatcherMatched(key, StringToId("matcher1"));
stats.noteMatcherMatched(key, StringToId("matcher1"));
stats.noteMatcherMatched(key, StringToId("matcher2"));
stats.noteConditionDimensionSize(key, StringToId("condition1"), 250);
stats.noteConditionDimensionSize(key, StringToId("condition1"), 240);
stats.noteMetricDimensionSize(key, StringToId("metric1"), 201);
stats.noteMetricDimensionSize(key, StringToId("metric1"), 202);
stats.noteAnomalyDeclared(key, StringToId("alert1"));
stats.noteAnomalyDeclared(key, StringToId("alert1"));
stats.noteAnomalyDeclared(key, StringToId("alert2"));
// broadcast-> 2
stats.noteBroadcastSent(key);
stats.noteBroadcastSent(key);
// data drop -> 1
stats.noteDataDropped(key, 123);
// dump report -> 3
stats.noteMetricsReportSent(key, 0);
stats.noteMetricsReportSent(key, 0);
stats.noteMetricsReportSent(key, 0);
// activation_time_sec -> 2
stats.noteActiveStatusChanged(key, true);
stats.noteActiveStatusChanged(key, true);
// deactivation_time_sec -> 1
stats.noteActiveStatusChanged(key, false);
vector<uint8_t> output;
stats.dumpStats(&output, true); // Dump and reset stats
StatsdStatsReport report;
bool good = report.ParseFromArray(&output[0], output.size());
EXPECT_TRUE(good);
EXPECT_EQ(1, report.config_stats_size());
const auto& configReport = report.config_stats(0);
EXPECT_EQ(2, configReport.broadcast_sent_time_sec_size());
EXPECT_EQ(1, configReport.data_drop_time_sec_size());
EXPECT_EQ(1, configReport.data_drop_bytes_size());
EXPECT_EQ(123, configReport.data_drop_bytes(0));
EXPECT_EQ(3, configReport.dump_report_time_sec_size());
EXPECT_EQ(3, configReport.dump_report_data_size_size());
EXPECT_EQ(2, configReport.activation_time_sec_size());
EXPECT_EQ(1, configReport.deactivation_time_sec_size());
EXPECT_EQ(1, configReport.annotation_size());
EXPECT_EQ(123, configReport.annotation(0).field_int64());
EXPECT_EQ(456, configReport.annotation(0).field_int32());
EXPECT_EQ(2, configReport.matcher_stats_size());
// matcher1 is the first in the list
if (configReport.matcher_stats(0).id() == StringToId("matcher1")) {
EXPECT_EQ(2, configReport.matcher_stats(0).matched_times());
EXPECT_EQ(1, configReport.matcher_stats(1).matched_times());
EXPECT_EQ(StringToId("matcher2"), configReport.matcher_stats(1).id());
} else {
// matcher1 is the second in the list.
EXPECT_EQ(1, configReport.matcher_stats(0).matched_times());
EXPECT_EQ(StringToId("matcher2"), configReport.matcher_stats(0).id());
EXPECT_EQ(2, configReport.matcher_stats(1).matched_times());
EXPECT_EQ(StringToId("matcher1"), configReport.matcher_stats(1).id());
}
EXPECT_EQ(2, configReport.alert_stats_size());
bool alert1first = configReport.alert_stats(0).id() == StringToId("alert1");
EXPECT_EQ(StringToId("alert1"), configReport.alert_stats(alert1first ? 0 : 1).id());
EXPECT_EQ(2, configReport.alert_stats(alert1first ? 0 : 1).alerted_times());
EXPECT_EQ(StringToId("alert2"), configReport.alert_stats(alert1first ? 1 : 0).id());
EXPECT_EQ(1, configReport.alert_stats(alert1first ? 1 : 0).alerted_times());
EXPECT_EQ(1, configReport.condition_stats_size());
EXPECT_EQ(StringToId("condition1"), configReport.condition_stats(0).id());
EXPECT_EQ(250, configReport.condition_stats(0).max_tuple_counts());
EXPECT_EQ(1, configReport.metric_stats_size());
EXPECT_EQ(StringToId("metric1"), configReport.metric_stats(0).id());
EXPECT_EQ(202, configReport.metric_stats(0).max_tuple_counts());
// after resetting the stats, some new events come
stats.noteMatcherMatched(key, StringToId("matcher99"));
stats.noteConditionDimensionSize(key, StringToId("condition99"), 300);
stats.noteMetricDimensionSize(key, StringToId("metric99tion99"), 270);
stats.noteAnomalyDeclared(key, StringToId("alert99"));
// now the config stats should only contain the stats about the new event.
stats.dumpStats(&output, false);
good = report.ParseFromArray(&output[0], output.size());
EXPECT_TRUE(good);
EXPECT_EQ(1, report.config_stats_size());
const auto& configReport2 = report.config_stats(0);
EXPECT_EQ(1, configReport2.matcher_stats_size());
EXPECT_EQ(StringToId("matcher99"), configReport2.matcher_stats(0).id());
EXPECT_EQ(1, configReport2.matcher_stats(0).matched_times());
EXPECT_EQ(1, configReport2.condition_stats_size());
EXPECT_EQ(StringToId("condition99"), configReport2.condition_stats(0).id());
EXPECT_EQ(300, configReport2.condition_stats(0).max_tuple_counts());
EXPECT_EQ(1, configReport2.metric_stats_size());
EXPECT_EQ(StringToId("metric99tion99"), configReport2.metric_stats(0).id());
EXPECT_EQ(270, configReport2.metric_stats(0).max_tuple_counts());
EXPECT_EQ(1, configReport2.alert_stats_size());
EXPECT_EQ(StringToId("alert99"), configReport2.alert_stats(0).id());
EXPECT_EQ(1, configReport2.alert_stats(0).alerted_times());
}
TEST(StatsdStatsTest, TestAtomLog) {
StatsdStats stats;
time_t now = time(nullptr);
// old event, we get it from the stats buffer. should be ignored.
stats.noteAtomLogged(android::util::SENSOR_STATE_CHANGED, 1000);
stats.noteAtomLogged(android::util::SENSOR_STATE_CHANGED, now + 1);
stats.noteAtomLogged(android::util::SENSOR_STATE_CHANGED, now + 2);
stats.noteAtomLogged(android::util::APP_CRASH_OCCURRED, now + 3);
// pulled event, should ignore
stats.noteAtomLogged(android::util::WIFI_BYTES_TRANSFER, now + 4);
vector<uint8_t> output;
stats.dumpStats(&output, false);
StatsdStatsReport report;
bool good = report.ParseFromArray(&output[0], output.size());
EXPECT_TRUE(good);
EXPECT_EQ(2, report.atom_stats_size());
bool sensorAtomGood = false;
bool dropboxAtomGood = false;
for (const auto& atomStats : report.atom_stats()) {
if (atomStats.tag() == android::util::SENSOR_STATE_CHANGED && atomStats.count() == 3) {
sensorAtomGood = true;
}
if (atomStats.tag() == android::util::APP_CRASH_OCCURRED && atomStats.count() == 1) {
dropboxAtomGood = true;
}
}
EXPECT_TRUE(dropboxAtomGood);
EXPECT_TRUE(sensorAtomGood);
}
TEST(StatsdStatsTest, TestPullAtomStats) {
StatsdStats stats;
stats.updateMinPullIntervalSec(android::util::DISK_SPACE, 3333L);
stats.updateMinPullIntervalSec(android::util::DISK_SPACE, 2222L);
stats.updateMinPullIntervalSec(android::util::DISK_SPACE, 4444L);
stats.notePull(android::util::DISK_SPACE);
stats.notePullTime(android::util::DISK_SPACE, 1111L);
stats.notePullDelay(android::util::DISK_SPACE, 1111L);
stats.notePull(android::util::DISK_SPACE);
stats.notePullTime(android::util::DISK_SPACE, 3333L);
stats.notePullDelay(android::util::DISK_SPACE, 3335L);
stats.notePull(android::util::DISK_SPACE);
stats.notePullFromCache(android::util::DISK_SPACE);
stats.notePullerCallbackRegistrationChanged(android::util::DISK_SPACE, true);
stats.notePullerCallbackRegistrationChanged(android::util::DISK_SPACE, false);
stats.notePullerCallbackRegistrationChanged(android::util::DISK_SPACE, true);
vector<uint8_t> output;
stats.dumpStats(&output, false);
StatsdStatsReport report;
bool good = report.ParseFromArray(&output[0], output.size());
EXPECT_TRUE(good);
EXPECT_EQ(1, report.pulled_atom_stats_size());
EXPECT_EQ(android::util::DISK_SPACE, report.pulled_atom_stats(0).atom_id());
EXPECT_EQ(3, report.pulled_atom_stats(0).total_pull());
EXPECT_EQ(1, report.pulled_atom_stats(0).total_pull_from_cache());
EXPECT_EQ(2222L, report.pulled_atom_stats(0).min_pull_interval_sec());
EXPECT_EQ(2222L, report.pulled_atom_stats(0).average_pull_time_nanos());
EXPECT_EQ(3333L, report.pulled_atom_stats(0).max_pull_time_nanos());
EXPECT_EQ(2223L, report.pulled_atom_stats(0).average_pull_delay_nanos());
EXPECT_EQ(3335L, report.pulled_atom_stats(0).max_pull_delay_nanos());
EXPECT_EQ(2L, report.pulled_atom_stats(0).registered_count());
EXPECT_EQ(1L, report.pulled_atom_stats(0).unregistered_count());
}
TEST(StatsdStatsTest, TestAtomMetricsStats) {
StatsdStats stats;
time_t now = time(nullptr);
// old event, we get it from the stats buffer. should be ignored.
stats.noteBucketDropped(1000L);
stats.noteBucketBoundaryDelayNs(1000L, -1L);
stats.noteBucketBoundaryDelayNs(1000L, -10L);
stats.noteBucketBoundaryDelayNs(1000L, 2L);
stats.noteBucketBoundaryDelayNs(1001L, 1L);
vector<uint8_t> output;
stats.dumpStats(&output, false);
StatsdStatsReport report;
bool good = report.ParseFromArray(&output[0], output.size());
EXPECT_TRUE(good);
EXPECT_EQ(2, report.atom_metric_stats().size());
auto atomStats = report.atom_metric_stats(0);
EXPECT_EQ(1000L, atomStats.metric_id());
EXPECT_EQ(1L, atomStats.bucket_dropped());
EXPECT_EQ(-10L, atomStats.min_bucket_boundary_delay_ns());
EXPECT_EQ(2L, atomStats.max_bucket_boundary_delay_ns());
auto atomStats2 = report.atom_metric_stats(1);
EXPECT_EQ(1001L, atomStats2.metric_id());
EXPECT_EQ(0L, atomStats2.bucket_dropped());
EXPECT_EQ(0L, atomStats2.min_bucket_boundary_delay_ns());
EXPECT_EQ(1L, atomStats2.max_bucket_boundary_delay_ns());
}
TEST(StatsdStatsTest, TestAnomalyMonitor) {
StatsdStats stats;
stats.noteRegisteredAnomalyAlarmChanged();
stats.noteRegisteredAnomalyAlarmChanged();
vector<uint8_t> output;
stats.dumpStats(&output, false);
StatsdStatsReport report;
bool good = report.ParseFromArray(&output[0], output.size());
EXPECT_TRUE(good);
EXPECT_EQ(2, report.anomaly_alarm_stats().alarms_registered());
}
TEST(StatsdStatsTest, TestTimestampThreshold) {
StatsdStats stats;
vector<int32_t> timestamps;
for (int i = 0; i < StatsdStats::kMaxTimestampCount; i++) {
timestamps.push_back(i);
}
ConfigKey key(0, 12345);
stats.noteConfigReceived(key, 2, 3, 4, 5, {}, true);
for (int i = 0; i < StatsdStats::kMaxTimestampCount; i++) {
stats.noteDataDropped(key, timestamps[i]);
stats.noteBroadcastSent(key, timestamps[i]);
stats.noteMetricsReportSent(key, 0, timestamps[i]);
stats.noteActiveStatusChanged(key, true, timestamps[i]);
stats.noteActiveStatusChanged(key, false, timestamps[i]);
}
int32_t newTimestamp = 10000;
// now it should trigger removing oldest timestamp
stats.noteDataDropped(key, 123, 10000);
stats.noteBroadcastSent(key, 10000);
stats.noteMetricsReportSent(key, 0, 10000);
stats.noteActiveStatusChanged(key, true, 10000);
stats.noteActiveStatusChanged(key, false, 10000);
EXPECT_TRUE(stats.mConfigStats.find(key) != stats.mConfigStats.end());
const auto& configStats = stats.mConfigStats[key];
size_t maxCount = StatsdStats::kMaxTimestampCount;
EXPECT_EQ(maxCount, configStats->broadcast_sent_time_sec.size());
EXPECT_EQ(maxCount, configStats->data_drop_time_sec.size());
EXPECT_EQ(maxCount, configStats->dump_report_stats.size());
EXPECT_EQ(maxCount, configStats->activation_time_sec.size());
EXPECT_EQ(maxCount, configStats->deactivation_time_sec.size());
// the oldest timestamp is the second timestamp in history
EXPECT_EQ(1, configStats->broadcast_sent_time_sec.front());
EXPECT_EQ(1, configStats->data_drop_bytes.front());
EXPECT_EQ(1, configStats->dump_report_stats.front().first);
EXPECT_EQ(1, configStats->activation_time_sec.front());
EXPECT_EQ(1, configStats->deactivation_time_sec.front());
// the last timestamp is the newest timestamp.
EXPECT_EQ(newTimestamp, configStats->broadcast_sent_time_sec.back());
EXPECT_EQ(newTimestamp, configStats->data_drop_time_sec.back());
EXPECT_EQ(123, configStats->data_drop_bytes.back());
EXPECT_EQ(newTimestamp, configStats->dump_report_stats.back().first);
EXPECT_EQ(newTimestamp, configStats->activation_time_sec.back());
EXPECT_EQ(newTimestamp, configStats->deactivation_time_sec.back());
}
TEST(StatsdStatsTest, TestSystemServerCrash) {
StatsdStats stats;
vector<int32_t> timestamps;
for (int i = 0; i < StatsdStats::kMaxSystemServerRestarts; i++) {
timestamps.push_back(i);
stats.noteSystemServerRestart(timestamps[i]);
}
vector<uint8_t> output;
stats.dumpStats(&output, false);
StatsdStatsReport report;
EXPECT_TRUE(report.ParseFromArray(&output[0], output.size()));
const int maxCount = StatsdStats::kMaxSystemServerRestarts;
EXPECT_EQ(maxCount, (int)report.system_restart_sec_size());
stats.noteSystemServerRestart(StatsdStats::kMaxSystemServerRestarts + 1);
output.clear();
stats.dumpStats(&output, false);
EXPECT_TRUE(report.ParseFromArray(&output[0], output.size()));
EXPECT_EQ(maxCount, (int)report.system_restart_sec_size());
EXPECT_EQ(StatsdStats::kMaxSystemServerRestarts + 1, report.system_restart_sec(maxCount - 1));
}
} // namespace statsd
} // namespace os
} // namespace android
#else
GTEST_LOG_(INFO) << "This test does nothing.\n";
#endif