blob: 58262aad576b91bfd7f51bf19070e5914aa2ccb7 [file] [log] [blame]
/*
* 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.
*/
#define DEBUG false // STOPSHIP if true
#include "Log.h"
#include "metrics_manager_util.h"
#include <inttypes.h>
#include "FieldValue.h"
#include "condition/CombinationConditionTracker.h"
#include "condition/SimpleConditionTracker.h"
#include "external/StatsPullerManager.h"
#include "hash.h"
#include "matchers/CombinationAtomMatchingTracker.h"
#include "matchers/EventMatcherWizard.h"
#include "matchers/SimpleAtomMatchingTracker.h"
#include "metrics/CountMetricProducer.h"
#include "metrics/DurationMetricProducer.h"
#include "metrics/EventMetricProducer.h"
#include "metrics/GaugeMetricProducer.h"
#include "metrics/MetricProducer.h"
#include "metrics/ValueMetricProducer.h"
#include "state/StateManager.h"
#include "stats_util.h"
using std::set;
using std::unordered_map;
using std::vector;
namespace android {
namespace os {
namespace statsd {
namespace {
bool hasLeafNode(const FieldMatcher& matcher) {
if (!matcher.has_field()) {
return false;
}
for (int i = 0; i < matcher.child_size(); ++i) {
if (hasLeafNode(matcher.child(i))) {
return true;
}
}
return true;
}
} // namespace
sp<AtomMatchingTracker> createAtomMatchingTracker(const AtomMatcher& logMatcher, const int index,
const sp<UidMap>& uidMap) {
string serializedMatcher;
if (!logMatcher.SerializeToString(&serializedMatcher)) {
ALOGE("Unable to serialize matcher %lld", (long long)logMatcher.id());
return nullptr;
}
uint64_t protoHash = Hash64(serializedMatcher);
switch (logMatcher.contents_case()) {
case AtomMatcher::ContentsCase::kSimpleAtomMatcher:
return new SimpleAtomMatchingTracker(logMatcher.id(), index, protoHash,
logMatcher.simple_atom_matcher(), uidMap);
break;
case AtomMatcher::ContentsCase::kCombination:
return new CombinationAtomMatchingTracker(logMatcher.id(), index, protoHash);
break;
default:
ALOGE("Matcher \"%lld\" malformed", (long long)logMatcher.id());
return nullptr;
}
}
bool handleMetricWithAtomMatchingTrackers(
const int64_t what, const int metricIndex, const bool usedForDimension,
const vector<sp<AtomMatchingTracker>>& allAtomMatchingTrackers,
const unordered_map<int64_t, int>& atomMatchingTrackerMap,
unordered_map<int, std::vector<int>>& trackerToMetricMap, int& logTrackerIndex) {
auto logTrackerIt = atomMatchingTrackerMap.find(what);
if (logTrackerIt == atomMatchingTrackerMap.end()) {
ALOGW("cannot find the AtomMatcher \"%lld\" in config", (long long)what);
return false;
}
if (usedForDimension &&
allAtomMatchingTrackers[logTrackerIt->second]->getAtomIds().size() > 1) {
ALOGE("AtomMatcher \"%lld\" has more than one tag ids. When a metric has dimension, "
"the \"what\" can only about one atom type.",
(long long)what);
return false;
}
logTrackerIndex = logTrackerIt->second;
auto& metric_list = trackerToMetricMap[logTrackerIndex];
metric_list.push_back(metricIndex);
return true;
}
bool handlePullMetricTriggerWithAtomMatchingTrackers(
const int64_t trigger, const int metricIndex,
const vector<sp<AtomMatchingTracker>>& allAtomMatchingTrackers,
const unordered_map<int64_t, int>& atomMatchingTrackerMap,
unordered_map<int, std::vector<int>>& trackerToMetricMap, int& logTrackerIndex) {
auto logTrackerIt = atomMatchingTrackerMap.find(trigger);
if (logTrackerIt == atomMatchingTrackerMap.end()) {
ALOGW("cannot find the AtomMatcher \"%lld\" in config", (long long)trigger);
return false;
}
if (allAtomMatchingTrackers[logTrackerIt->second]->getAtomIds().size() > 1) {
ALOGE("AtomMatcher \"%lld\" has more than one tag ids."
"Trigger can only be one atom type.",
(long long)trigger);
return false;
}
logTrackerIndex = logTrackerIt->second;
auto& metric_list = trackerToMetricMap[logTrackerIndex];
metric_list.push_back(metricIndex);
return true;
}
bool handleMetricWithConditions(
const int64_t condition, const int metricIndex,
const unordered_map<int64_t, int>& conditionTrackerMap,
const ::google::protobuf::RepeatedPtrField<::android::os::statsd::MetricConditionLink>&
links,
vector<sp<ConditionTracker>>& allConditionTrackers, int& conditionIndex,
unordered_map<int, std::vector<int>>& conditionToMetricMap) {
auto condition_it = conditionTrackerMap.find(condition);
if (condition_it == conditionTrackerMap.end()) {
ALOGW("cannot find Predicate \"%lld\" in the config", (long long)condition);
return false;
}
for (const auto& link : links) {
auto it = conditionTrackerMap.find(link.condition());
if (it == conditionTrackerMap.end()) {
ALOGW("cannot find Predicate \"%lld\" in the config", (long long)link.condition());
return false;
}
allConditionTrackers[condition_it->second]->setSliced(true);
allConditionTrackers[it->second]->setSliced(true);
}
conditionIndex = condition_it->second;
// will create new vector if not exist before.
auto& metricList = conditionToMetricMap[condition_it->second];
metricList.push_back(metricIndex);
return true;
}
// Initializes state data structures for a metric.
// input:
// [config]: the input config
// [stateIds]: the slice_by_state ids for this metric
// [stateAtomIdMap]: this map contains the mapping from all state ids to atom ids
// [allStateGroupMaps]: this map contains the mapping from state ids and state
// values to state group ids for all states
// output:
// [slicedStateAtoms]: a vector of atom ids of all the slice_by_states
// [stateGroupMap]: this map should contain the mapping from states ids and state
// values to state group ids for all states that this metric
// is interested in
bool handleMetricWithStates(
const StatsdConfig& config, const ::google::protobuf::RepeatedField<int64_t>& stateIds,
const unordered_map<int64_t, int>& stateAtomIdMap,
const unordered_map<int64_t, unordered_map<int, int64_t>>& allStateGroupMaps,
vector<int>& slicedStateAtoms,
unordered_map<int, unordered_map<int, int64_t>>& stateGroupMap) {
for (const auto& stateId : stateIds) {
auto it = stateAtomIdMap.find(stateId);
if (it == stateAtomIdMap.end()) {
ALOGW("cannot find State %" PRId64 " in the config", stateId);
return false;
}
int atomId = it->second;
slicedStateAtoms.push_back(atomId);
auto stateIt = allStateGroupMaps.find(stateId);
if (stateIt != allStateGroupMaps.end()) {
stateGroupMap[atomId] = stateIt->second;
}
}
return true;
}
bool handleMetricWithStateLink(const FieldMatcher& stateMatcher,
const vector<Matcher>& dimensionsInWhat) {
vector<Matcher> stateMatchers;
translateFieldMatcher(stateMatcher, &stateMatchers);
return subsetDimensions(stateMatchers, dimensionsInWhat);
}
// Validates a metricActivation and populates state.
// EventActivationMap and EventDeactivationMap are supplied to a MetricProducer
// to provide the producer with state about its activators and deactivators.
// Returns false if there are errors.
bool handleMetricActivation(
const StatsdConfig& config, const int64_t metricId, const int metricIndex,
const unordered_map<int64_t, int>& metricToActivationMap,
const unordered_map<int64_t, int>& atomMatchingTrackerMap,
unordered_map<int, vector<int>>& activationAtomTrackerToMetricMap,
unordered_map<int, vector<int>>& deactivationAtomTrackerToMetricMap,
vector<int>& metricsWithActivation,
unordered_map<int, shared_ptr<Activation>>& eventActivationMap,
unordered_map<int, vector<shared_ptr<Activation>>>& eventDeactivationMap) {
// Check if metric has an associated activation
auto itr = metricToActivationMap.find(metricId);
if (itr == metricToActivationMap.end()) return true;
int activationIndex = itr->second;
const MetricActivation& metricActivation = config.metric_activation(activationIndex);
for (int i = 0; i < metricActivation.event_activation_size(); i++) {
const EventActivation& activation = metricActivation.event_activation(i);
auto itr = atomMatchingTrackerMap.find(activation.atom_matcher_id());
if (itr == atomMatchingTrackerMap.end()) {
ALOGE("Atom matcher not found for event activation.");
return false;
}
ActivationType activationType = (activation.has_activation_type())
? activation.activation_type()
: metricActivation.activation_type();
std::shared_ptr<Activation> activationWrapper =
std::make_shared<Activation>(activationType, activation.ttl_seconds() * NS_PER_SEC);
int atomMatcherIndex = itr->second;
activationAtomTrackerToMetricMap[atomMatcherIndex].push_back(metricIndex);
eventActivationMap.emplace(atomMatcherIndex, activationWrapper);
if (activation.has_deactivation_atom_matcher_id()) {
itr = atomMatchingTrackerMap.find(activation.deactivation_atom_matcher_id());
if (itr == atomMatchingTrackerMap.end()) {
ALOGE("Atom matcher not found for event deactivation.");
return false;
}
int deactivationAtomMatcherIndex = itr->second;
deactivationAtomTrackerToMetricMap[deactivationAtomMatcherIndex].push_back(metricIndex);
eventDeactivationMap[deactivationAtomMatcherIndex].push_back(activationWrapper);
}
}
metricsWithActivation.push_back(metricIndex);
return true;
}
bool initAtomMatchingTrackers(const StatsdConfig& config, const sp<UidMap>& uidMap,
unordered_map<int64_t, int>& atomMatchingTrackerMap,
vector<sp<AtomMatchingTracker>>& allAtomMatchingTrackers,
set<int>& allTagIds) {
vector<AtomMatcher> matcherConfigs;
const int atomMatcherCount = config.atom_matcher_size();
matcherConfigs.reserve(atomMatcherCount);
allAtomMatchingTrackers.reserve(atomMatcherCount);
for (int i = 0; i < atomMatcherCount; i++) {
const AtomMatcher& logMatcher = config.atom_matcher(i);
int index = allAtomMatchingTrackers.size();
sp<AtomMatchingTracker> tracker = createAtomMatchingTracker(logMatcher, index, uidMap);
if (tracker == nullptr) {
return false;
}
allAtomMatchingTrackers.push_back(tracker);
if (atomMatchingTrackerMap.find(logMatcher.id()) != atomMatchingTrackerMap.end()) {
ALOGE("Duplicate AtomMatcher found!");
return false;
}
atomMatchingTrackerMap[logMatcher.id()] = index;
matcherConfigs.push_back(logMatcher);
}
vector<bool> stackTracker2(allAtomMatchingTrackers.size(), false);
for (auto& matcher : allAtomMatchingTrackers) {
if (!matcher->init(matcherConfigs, allAtomMatchingTrackers, atomMatchingTrackerMap,
stackTracker2)) {
return false;
}
// Collect all the tag ids that are interesting. TagIds exist in leaf nodes only.
const set<int>& tagIds = matcher->getAtomIds();
allTagIds.insert(tagIds.begin(), tagIds.end());
}
return true;
}
bool initConditions(const ConfigKey& key, const StatsdConfig& config,
const unordered_map<int64_t, int>& atomMatchingTrackerMap,
unordered_map<int64_t, int>& conditionTrackerMap,
vector<sp<ConditionTracker>>& allConditionTrackers,
unordered_map<int, std::vector<int>>& trackerToConditionMap,
vector<ConditionState>& initialConditionCache) {
vector<Predicate> conditionConfigs;
const int conditionTrackerCount = config.predicate_size();
conditionConfigs.reserve(conditionTrackerCount);
allConditionTrackers.reserve(conditionTrackerCount);
initialConditionCache.reserve(conditionTrackerCount);
std::fill(initialConditionCache.begin(), initialConditionCache.end(), ConditionState::kUnknown);
for (int i = 0; i < conditionTrackerCount; i++) {
const Predicate& condition = config.predicate(i);
int index = allConditionTrackers.size();
switch (condition.contents_case()) {
case Predicate::ContentsCase::kSimplePredicate: {
allConditionTrackers.push_back(new SimpleConditionTracker(
key, condition.id(), index, condition.simple_predicate(),
atomMatchingTrackerMap));
break;
}
case Predicate::ContentsCase::kCombination: {
allConditionTrackers.push_back(
new CombinationConditionTracker(condition.id(), index));
break;
}
default:
ALOGE("Predicate \"%lld\" malformed", (long long)condition.id());
return false;
}
if (conditionTrackerMap.find(condition.id()) != conditionTrackerMap.end()) {
ALOGE("Duplicate Predicate found!");
return false;
}
conditionTrackerMap[condition.id()] = index;
conditionConfigs.push_back(condition);
}
vector<bool> stackTracker(allConditionTrackers.size(), false);
for (size_t i = 0; i < allConditionTrackers.size(); i++) {
auto& conditionTracker = allConditionTrackers[i];
if (!conditionTracker->init(conditionConfigs, allConditionTrackers, conditionTrackerMap,
stackTracker, initialConditionCache)) {
return false;
}
for (const int trackerIndex : conditionTracker->getAtomMatchingTrackerIndex()) {
auto& conditionList = trackerToConditionMap[trackerIndex];
conditionList.push_back(i);
}
}
return true;
}
bool initStates(const StatsdConfig& config, unordered_map<int64_t, int>& stateAtomIdMap,
unordered_map<int64_t, unordered_map<int, int64_t>>& allStateGroupMaps) {
for (int i = 0; i < config.state_size(); i++) {
const State& state = config.state(i);
const int64_t stateId = state.id();
stateAtomIdMap[stateId] = state.atom_id();
const StateMap& stateMap = state.map();
for (auto group : stateMap.group()) {
for (auto value : group.value()) {
allStateGroupMaps[stateId][value] = group.group_id();
}
}
}
return true;
}
bool initMetrics(const ConfigKey& key, const StatsdConfig& config, const int64_t timeBaseTimeNs,
const int64_t currentTimeNs, const sp<StatsPullerManager>& pullerManager,
const unordered_map<int64_t, int>& atomMatchingTrackerMap,
const unordered_map<int64_t, int>& conditionTrackerMap,
const vector<sp<AtomMatchingTracker>>& allAtomMatchingTrackers,
const unordered_map<int64_t, int>& stateAtomIdMap,
const unordered_map<int64_t, unordered_map<int, int64_t>>& allStateGroupMaps,
vector<sp<ConditionTracker>>& allConditionTrackers,
const vector<ConditionState>& initialConditionCache,
vector<sp<MetricProducer>>& allMetricProducers,
unordered_map<int, vector<int>>& conditionToMetricMap,
unordered_map<int, vector<int>>& trackerToMetricMap,
unordered_map<int64_t, int>& metricMap, std::set<int64_t>& noReportMetricIds,
unordered_map<int, vector<int>>& activationAtomTrackerToMetricMap,
unordered_map<int, vector<int>>& deactivationAtomTrackerToMetricMap,
vector<int>& metricsWithActivation) {
sp<ConditionWizard> wizard = new ConditionWizard(allConditionTrackers);
sp<EventMatcherWizard> matcherWizard = new EventMatcherWizard(allAtomMatchingTrackers);
const int allMetricsCount = config.count_metric_size() + config.duration_metric_size() +
config.event_metric_size() + config.gauge_metric_size() +
config.value_metric_size();
allMetricProducers.reserve(allMetricsCount);
// Construct map from metric id to metric activation index. The map will be used to determine
// the metric activation corresponding to a metric.
unordered_map<int64_t, int> metricToActivationMap;
for (int i = 0; i < config.metric_activation_size(); i++) {
const MetricActivation& metricActivation = config.metric_activation(i);
int64_t metricId = metricActivation.metric_id();
if (metricToActivationMap.find(metricId) != metricToActivationMap.end()) {
ALOGE("Metric %lld has multiple MetricActivations", (long long)metricId);
return false;
}
metricToActivationMap.insert({metricId, i});
}
// Build MetricProducers for each metric defined in config.
// build CountMetricProducer
for (int i = 0; i < config.count_metric_size(); i++) {
const CountMetric& metric = config.count_metric(i);
if (!metric.has_what()) {
ALOGW("cannot find \"what\" in CountMetric \"%lld\"", (long long)metric.id());
return false;
}
int metricIndex = allMetricProducers.size();
metricMap.insert({metric.id(), metricIndex});
int trackerIndex;
if (!handleMetricWithAtomMatchingTrackers(metric.what(), metricIndex,
metric.has_dimensions_in_what(),
allAtomMatchingTrackers, atomMatchingTrackerMap,
trackerToMetricMap, trackerIndex)) {
return false;
}
int conditionIndex = -1;
if (metric.has_condition()) {
if (!handleMetricWithConditions(metric.condition(), metricIndex, conditionTrackerMap,
metric.links(), allConditionTrackers, conditionIndex,
conditionToMetricMap)) {
return false;
}
} else {
if (metric.links_size() > 0) {
ALOGW("metrics has a MetricConditionLink but doesn't have a condition");
return false;
}
}
std::vector<int> slicedStateAtoms;
unordered_map<int, unordered_map<int, int64_t>> stateGroupMap;
if (metric.slice_by_state_size() > 0) {
if (!handleMetricWithStates(config, metric.slice_by_state(), stateAtomIdMap,
allStateGroupMaps, slicedStateAtoms, stateGroupMap)) {
return false;
}
} else {
if (metric.state_link_size() > 0) {
ALOGW("CountMetric has a MetricStateLink but doesn't have a slice_by_state");
return false;
}
}
unordered_map<int, shared_ptr<Activation>> eventActivationMap;
unordered_map<int, vector<shared_ptr<Activation>>> eventDeactivationMap;
bool success = handleMetricActivation(
config, metric.id(), metricIndex, metricToActivationMap, atomMatchingTrackerMap,
activationAtomTrackerToMetricMap, deactivationAtomTrackerToMetricMap,
metricsWithActivation, eventActivationMap, eventDeactivationMap);
if (!success) return false;
sp<MetricProducer> countProducer =
new CountMetricProducer(key, metric, conditionIndex, initialConditionCache, wizard,
timeBaseTimeNs, currentTimeNs, eventActivationMap,
eventDeactivationMap, slicedStateAtoms, stateGroupMap);
allMetricProducers.push_back(countProducer);
}
// build DurationMetricProducer
for (int i = 0; i < config.duration_metric_size(); i++) {
int metricIndex = allMetricProducers.size();
const DurationMetric& metric = config.duration_metric(i);
metricMap.insert({metric.id(), metricIndex});
auto what_it = conditionTrackerMap.find(metric.what());
if (what_it == conditionTrackerMap.end()) {
ALOGE("DurationMetric's \"what\" is invalid");
return false;
}
const Predicate& durationWhat = config.predicate(what_it->second);
if (durationWhat.contents_case() != Predicate::ContentsCase::kSimplePredicate) {
ALOGE("DurationMetric's \"what\" must be a simple condition");
return false;
}
const auto& simplePredicate = durationWhat.simple_predicate();
bool nesting = simplePredicate.count_nesting();
int trackerIndices[3] = {-1, -1, -1};
if (!simplePredicate.has_start() ||
!handleMetricWithAtomMatchingTrackers(simplePredicate.start(), metricIndex,
metric.has_dimensions_in_what(),
allAtomMatchingTrackers, atomMatchingTrackerMap,
trackerToMetricMap, trackerIndices[0])) {
ALOGE("Duration metrics must specify a valid the start event matcher");
return false;
}
if (simplePredicate.has_stop() &&
!handleMetricWithAtomMatchingTrackers(simplePredicate.stop(), metricIndex,
metric.has_dimensions_in_what(),
allAtomMatchingTrackers, atomMatchingTrackerMap,
trackerToMetricMap, trackerIndices[1])) {
return false;
}
if (simplePredicate.has_stop_all() &&
!handleMetricWithAtomMatchingTrackers(simplePredicate.stop_all(), metricIndex,
metric.has_dimensions_in_what(),
allAtomMatchingTrackers, atomMatchingTrackerMap,
trackerToMetricMap, trackerIndices[2])) {
return false;
}
FieldMatcher internalDimensions = simplePredicate.dimensions();
int conditionIndex = -1;
if (metric.has_condition()) {
bool good = handleMetricWithConditions(
metric.condition(), metricIndex, conditionTrackerMap, metric.links(),
allConditionTrackers, conditionIndex, conditionToMetricMap);
if (!good) {
return false;
}
} else {
if (metric.links_size() > 0) {
ALOGW("metrics has a MetricConditionLink but doesn't have a condition");
return false;
}
}
std::vector<int> slicedStateAtoms;
unordered_map<int, unordered_map<int, int64_t>> stateGroupMap;
if (metric.slice_by_state_size() > 0) {
if (metric.aggregation_type() == DurationMetric::MAX_SPARSE) {
ALOGE("DurationMetric with aggregation type MAX_SPARSE cannot be sliced by state");
return false;
}
if (!handleMetricWithStates(config, metric.slice_by_state(), stateAtomIdMap,
allStateGroupMaps, slicedStateAtoms, stateGroupMap)) {
return false;
}
} else {
if (metric.state_link_size() > 0) {
ALOGW("DurationMetric has a MetricStateLink but doesn't have a sliced state");
return false;
}
}
// Check that all metric state links are a subset of dimensions_in_what fields.
std::vector<Matcher> dimensionsInWhat;
translateFieldMatcher(metric.dimensions_in_what(), &dimensionsInWhat);
for (const auto& stateLink : metric.state_link()) {
if (!handleMetricWithStateLink(stateLink.fields_in_what(), dimensionsInWhat)) {
return false;
}
}
unordered_map<int, shared_ptr<Activation>> eventActivationMap;
unordered_map<int, vector<shared_ptr<Activation>>> eventDeactivationMap;
bool success = handleMetricActivation(
config, metric.id(), metricIndex, metricToActivationMap, atomMatchingTrackerMap,
activationAtomTrackerToMetricMap, deactivationAtomTrackerToMetricMap,
metricsWithActivation, eventActivationMap, eventDeactivationMap);
if (!success) return false;
sp<MetricProducer> durationMetric = new DurationMetricProducer(
key, metric, conditionIndex, initialConditionCache, trackerIndices[0],
trackerIndices[1], trackerIndices[2], nesting, wizard, internalDimensions,
timeBaseTimeNs, currentTimeNs, eventActivationMap, eventDeactivationMap,
slicedStateAtoms, stateGroupMap);
allMetricProducers.push_back(durationMetric);
}
// build EventMetricProducer
for (int i = 0; i < config.event_metric_size(); i++) {
int metricIndex = allMetricProducers.size();
const EventMetric& metric = config.event_metric(i);
metricMap.insert({metric.id(), metricIndex});
if (!metric.has_id() || !metric.has_what()) {
ALOGW("cannot find the metric name or what in config");
return false;
}
int trackerIndex;
if (!handleMetricWithAtomMatchingTrackers(metric.what(), metricIndex, false,
allAtomMatchingTrackers, atomMatchingTrackerMap,
trackerToMetricMap, trackerIndex)) {
return false;
}
int conditionIndex = -1;
if (metric.has_condition()) {
bool good = handleMetricWithConditions(
metric.condition(), metricIndex, conditionTrackerMap, metric.links(),
allConditionTrackers, conditionIndex, conditionToMetricMap);
if (!good) {
return false;
}
} else {
if (metric.links_size() > 0) {
ALOGW("metrics has a MetricConditionLink but doesn't have a condition");
return false;
}
}
unordered_map<int, shared_ptr<Activation>> eventActivationMap;
unordered_map<int, vector<shared_ptr<Activation>>> eventDeactivationMap;
bool success = handleMetricActivation(
config, metric.id(), metricIndex, metricToActivationMap, atomMatchingTrackerMap,
activationAtomTrackerToMetricMap, deactivationAtomTrackerToMetricMap,
metricsWithActivation, eventActivationMap, eventDeactivationMap);
if (!success) return false;
sp<MetricProducer> eventMetric =
new EventMetricProducer(key, metric, conditionIndex, initialConditionCache, wizard,
timeBaseTimeNs, eventActivationMap, eventDeactivationMap);
allMetricProducers.push_back(eventMetric);
}
// build ValueMetricProducer
for (int i = 0; i < config.value_metric_size(); i++) {
const ValueMetric& metric = config.value_metric(i);
if (!metric.has_what()) {
ALOGW("cannot find \"what\" in ValueMetric \"%lld\"", (long long)metric.id());
return false;
}
if (!metric.has_value_field()) {
ALOGW("cannot find \"value_field\" in ValueMetric \"%lld\"", (long long)metric.id());
return false;
}
std::vector<Matcher> fieldMatchers;
translateFieldMatcher(metric.value_field(), &fieldMatchers);
if (fieldMatchers.size() < 1) {
ALOGW("incorrect \"value_field\" in ValueMetric \"%lld\"", (long long)metric.id());
return false;
}
int metricIndex = allMetricProducers.size();
metricMap.insert({metric.id(), metricIndex});
int trackerIndex;
if (!handleMetricWithAtomMatchingTrackers(metric.what(), metricIndex,
metric.has_dimensions_in_what(),
allAtomMatchingTrackers, atomMatchingTrackerMap,
trackerToMetricMap, trackerIndex)) {
return false;
}
sp<AtomMatchingTracker> atomMatcher = allAtomMatchingTrackers.at(trackerIndex);
// If it is pulled atom, it should be simple matcher with one tagId.
if (atomMatcher->getAtomIds().size() != 1) {
return false;
}
int atomTagId = *(atomMatcher->getAtomIds().begin());
int pullTagId = pullerManager->PullerForMatcherExists(atomTagId) ? atomTagId : -1;
int conditionIndex = -1;
if (metric.has_condition()) {
bool good = handleMetricWithConditions(
metric.condition(), metricIndex, conditionTrackerMap, metric.links(),
allConditionTrackers, conditionIndex, conditionToMetricMap);
if (!good) {
return false;
}
} else {
if (metric.links_size() > 0) {
ALOGW("metrics has a MetricConditionLink but doesn't have a condition");
return false;
}
}
std::vector<int> slicedStateAtoms;
unordered_map<int, unordered_map<int, int64_t>> stateGroupMap;
if (metric.slice_by_state_size() > 0) {
if (!handleMetricWithStates(config, metric.slice_by_state(), stateAtomIdMap,
allStateGroupMaps, slicedStateAtoms, stateGroupMap)) {
return false;
}
} else {
if (metric.state_link_size() > 0) {
ALOGW("ValueMetric has a MetricStateLink but doesn't have a sliced state");
return false;
}
}
// Check that all metric state links are a subset of dimensions_in_what fields.
std::vector<Matcher> dimensionsInWhat;
translateFieldMatcher(metric.dimensions_in_what(), &dimensionsInWhat);
for (const auto& stateLink : metric.state_link()) {
if (!handleMetricWithStateLink(stateLink.fields_in_what(), dimensionsInWhat)) {
return false;
}
}
unordered_map<int, shared_ptr<Activation>> eventActivationMap;
unordered_map<int, vector<shared_ptr<Activation>>> eventDeactivationMap;
bool success = handleMetricActivation(
config, metric.id(), metricIndex, metricToActivationMap, atomMatchingTrackerMap,
activationAtomTrackerToMetricMap, deactivationAtomTrackerToMetricMap,
metricsWithActivation, eventActivationMap, eventDeactivationMap);
if (!success) return false;
sp<MetricProducer> valueProducer = new ValueMetricProducer(
key, metric, conditionIndex, initialConditionCache, wizard, trackerIndex,
matcherWizard, pullTagId, timeBaseTimeNs, currentTimeNs, pullerManager,
eventActivationMap, eventDeactivationMap, slicedStateAtoms, stateGroupMap);
allMetricProducers.push_back(valueProducer);
}
// Gauge metrics.
for (int i = 0; i < config.gauge_metric_size(); i++) {
const GaugeMetric& metric = config.gauge_metric(i);
if (!metric.has_what()) {
ALOGW("cannot find \"what\" in GaugeMetric \"%lld\"", (long long)metric.id());
return false;
}
if ((!metric.gauge_fields_filter().has_include_all() ||
(metric.gauge_fields_filter().include_all() == false)) &&
!hasLeafNode(metric.gauge_fields_filter().fields())) {
ALOGW("Incorrect field filter setting in GaugeMetric %lld", (long long)metric.id());
return false;
}
if ((metric.gauge_fields_filter().has_include_all() &&
metric.gauge_fields_filter().include_all() == true) &&
hasLeafNode(metric.gauge_fields_filter().fields())) {
ALOGW("Incorrect field filter setting in GaugeMetric %lld", (long long)metric.id());
return false;
}
int metricIndex = allMetricProducers.size();
metricMap.insert({metric.id(), metricIndex});
int trackerIndex;
if (!handleMetricWithAtomMatchingTrackers(metric.what(), metricIndex,
metric.has_dimensions_in_what(),
allAtomMatchingTrackers, atomMatchingTrackerMap,
trackerToMetricMap, trackerIndex)) {
return false;
}
sp<AtomMatchingTracker> atomMatcher = allAtomMatchingTrackers.at(trackerIndex);
// For GaugeMetric atom, it should be simple matcher with one tagId.
if (atomMatcher->getAtomIds().size() != 1) {
return false;
}
int atomTagId = *(atomMatcher->getAtomIds().begin());
int pullTagId = pullerManager->PullerForMatcherExists(atomTagId) ? atomTagId : -1;
int triggerTrackerIndex;
int triggerAtomId = -1;
if (metric.has_trigger_event()) {
if (pullTagId == -1) {
ALOGW("Pull atom not specified for trigger");
return false;
}
// event_trigger should be used with FIRST_N_SAMPLES
if (metric.sampling_type() != GaugeMetric::FIRST_N_SAMPLES) {
return false;
}
if (!handlePullMetricTriggerWithAtomMatchingTrackers(
metric.trigger_event(), metricIndex, allAtomMatchingTrackers,
atomMatchingTrackerMap, trackerToMetricMap, triggerTrackerIndex)) {
return false;
}
sp<AtomMatchingTracker> triggerAtomMatcher =
allAtomMatchingTrackers.at(triggerTrackerIndex);
triggerAtomId = *(triggerAtomMatcher->getAtomIds().begin());
}
if (!metric.has_trigger_event() && pullTagId != -1 &&
metric.sampling_type() == GaugeMetric::FIRST_N_SAMPLES) {
ALOGW("FIRST_N_SAMPLES is only for pushed event or pull_on_trigger");
return false;
}
int conditionIndex = -1;
if (metric.has_condition()) {
bool good = handleMetricWithConditions(
metric.condition(), metricIndex, conditionTrackerMap, metric.links(),
allConditionTrackers, conditionIndex, conditionToMetricMap);
if (!good) {
return false;
}
} else {
if (metric.links_size() > 0) {
ALOGW("metrics has a MetricConditionLink but doesn't have a condition");
return false;
}
}
unordered_map<int, shared_ptr<Activation>> eventActivationMap;
unordered_map<int, vector<shared_ptr<Activation>>> eventDeactivationMap;
bool success = handleMetricActivation(
config, metric.id(), metricIndex, metricToActivationMap, atomMatchingTrackerMap,
activationAtomTrackerToMetricMap, deactivationAtomTrackerToMetricMap,
metricsWithActivation, eventActivationMap, eventDeactivationMap);
if (!success) return false;
sp<MetricProducer> gaugeProducer = new GaugeMetricProducer(
key, metric, conditionIndex, initialConditionCache, wizard, trackerIndex,
matcherWizard, pullTagId, triggerAtomId, atomTagId, timeBaseTimeNs, currentTimeNs,
pullerManager, eventActivationMap, eventDeactivationMap);
allMetricProducers.push_back(gaugeProducer);
}
for (int i = 0; i < config.no_report_metric_size(); ++i) {
const auto no_report_metric = config.no_report_metric(i);
if (metricMap.find(no_report_metric) == metricMap.end()) {
ALOGW("no_report_metric %" PRId64 " not exist", no_report_metric);
return false;
}
noReportMetricIds.insert(no_report_metric);
}
const set<int> whitelistedAtomIds(config.whitelisted_atom_ids().begin(),
config.whitelisted_atom_ids().end());
for (const auto& it : allMetricProducers) {
// Register metrics to StateTrackers
for (int atomId : it->getSlicedStateAtoms()) {
// Register listener for non-whitelisted atoms only. Using whitelisted atom as a sliced
// state atom is not allowed.
if (whitelistedAtomIds.find(atomId) == whitelistedAtomIds.end()) {
StateManager::getInstance().registerListener(atomId, it);
} else {
return false;
}
}
}
return true;
}
bool initAlerts(const StatsdConfig& config, const unordered_map<int64_t, int>& metricProducerMap,
unordered_map<int64_t, int>& alertTrackerMap,
const sp<AlarmMonitor>& anomalyAlarmMonitor,
vector<sp<MetricProducer>>& allMetricProducers,
vector<sp<AnomalyTracker>>& allAnomalyTrackers) {
for (int i = 0; i < config.alert_size(); i++) {
const Alert& alert = config.alert(i);
const auto& itr = metricProducerMap.find(alert.metric_id());
if (itr == metricProducerMap.end()) {
ALOGW("alert \"%lld\" has unknown metric id: \"%lld\"", (long long)alert.id(),
(long long)alert.metric_id());
return false;
}
if (!alert.has_trigger_if_sum_gt()) {
ALOGW("invalid alert: missing threshold");
return false;
}
if (alert.trigger_if_sum_gt() < 0 || alert.num_buckets() <= 0) {
ALOGW("invalid alert: threshold=%f num_buckets= %d", alert.trigger_if_sum_gt(),
alert.num_buckets());
return false;
}
const int metricIndex = itr->second;
sp<MetricProducer> metric = allMetricProducers[metricIndex];
sp<AnomalyTracker> anomalyTracker = metric->addAnomalyTracker(alert, anomalyAlarmMonitor);
if (anomalyTracker == nullptr) {
// The ALOGW for this invalid alert was already displayed in addAnomalyTracker().
return false;
}
alertTrackerMap.insert(std::make_pair(alert.id(), allAnomalyTrackers.size()));
allAnomalyTrackers.push_back(anomalyTracker);
}
for (int i = 0; i < config.subscription_size(); ++i) {
const Subscription& subscription = config.subscription(i);
if (subscription.rule_type() != Subscription::ALERT) {
continue;
}
if (subscription.subscriber_information_case() ==
Subscription::SubscriberInformationCase::SUBSCRIBER_INFORMATION_NOT_SET) {
ALOGW("subscription \"%lld\" has no subscriber info.\"", (long long)subscription.id());
return false;
}
const auto& itr = alertTrackerMap.find(subscription.rule_id());
if (itr == alertTrackerMap.end()) {
ALOGW("subscription \"%lld\" has unknown rule id: \"%lld\"",
(long long)subscription.id(), (long long)subscription.rule_id());
return false;
}
const int anomalyTrackerIndex = itr->second;
allAnomalyTrackers[anomalyTrackerIndex]->addSubscription(subscription);
}
return true;
}
bool initAlarms(const StatsdConfig& config, const ConfigKey& key,
const sp<AlarmMonitor>& periodicAlarmMonitor, const int64_t timeBaseNs,
const int64_t currentTimeNs, vector<sp<AlarmTracker>>& allAlarmTrackers) {
unordered_map<int64_t, int> alarmTrackerMap;
int64_t startMillis = timeBaseNs / 1000 / 1000;
int64_t currentTimeMillis = currentTimeNs / 1000 / 1000;
for (int i = 0; i < config.alarm_size(); i++) {
const Alarm& alarm = config.alarm(i);
if (alarm.offset_millis() <= 0) {
ALOGW("Alarm offset_millis should be larger than 0.");
return false;
}
if (alarm.period_millis() <= 0) {
ALOGW("Alarm period_millis should be larger than 0.");
return false;
}
alarmTrackerMap.insert(std::make_pair(alarm.id(), allAlarmTrackers.size()));
allAlarmTrackers.push_back(
new AlarmTracker(startMillis, currentTimeMillis, alarm, key, periodicAlarmMonitor));
}
for (int i = 0; i < config.subscription_size(); ++i) {
const Subscription& subscription = config.subscription(i);
if (subscription.rule_type() != Subscription::ALARM) {
continue;
}
if (subscription.subscriber_information_case() ==
Subscription::SubscriberInformationCase::SUBSCRIBER_INFORMATION_NOT_SET) {
ALOGW("subscription \"%lld\" has no subscriber info.\"", (long long)subscription.id());
return false;
}
const auto& itr = alarmTrackerMap.find(subscription.rule_id());
if (itr == alarmTrackerMap.end()) {
ALOGW("subscription \"%lld\" has unknown rule id: \"%lld\"",
(long long)subscription.id(), (long long)subscription.rule_id());
return false;
}
const int trackerIndex = itr->second;
allAlarmTrackers[trackerIndex]->addSubscription(subscription);
}
return true;
}
bool initStatsdConfig(const ConfigKey& key, const StatsdConfig& config, const sp<UidMap>& uidMap,
const sp<StatsPullerManager>& pullerManager,
const sp<AlarmMonitor>& anomalyAlarmMonitor,
const sp<AlarmMonitor>& periodicAlarmMonitor, const int64_t timeBaseNs,
const int64_t currentTimeNs, set<int>& allTagIds,
vector<sp<AtomMatchingTracker>>& allAtomMatchingTrackers,
unordered_map<int64_t, int>& atomMatchingTrackerMap,
vector<sp<ConditionTracker>>& allConditionTrackers,
vector<sp<MetricProducer>>& allMetricProducers,
vector<sp<AnomalyTracker>>& allAnomalyTrackers,
vector<sp<AlarmTracker>>& allPeriodicAlarmTrackers,
unordered_map<int, std::vector<int>>& conditionToMetricMap,
unordered_map<int, std::vector<int>>& trackerToMetricMap,
unordered_map<int, std::vector<int>>& trackerToConditionMap,
unordered_map<int, std::vector<int>>& activationAtomTrackerToMetricMap,
unordered_map<int, std::vector<int>>& deactivationAtomTrackerToMetricMap,
unordered_map<int64_t, int>& alertTrackerMap,
vector<int>& metricsWithActivation, std::set<int64_t>& noReportMetricIds) {
unordered_map<int64_t, int> conditionTrackerMap;
vector<ConditionState> initialConditionCache;
unordered_map<int64_t, int> metricProducerMap;
unordered_map<int64_t, int> stateAtomIdMap;
unordered_map<int64_t, unordered_map<int, int64_t>> allStateGroupMaps;
if (!initAtomMatchingTrackers(config, uidMap, atomMatchingTrackerMap, allAtomMatchingTrackers,
allTagIds)) {
ALOGE("initAtomMatchingTrackers failed");
return false;
}
VLOG("initAtomMatchingTrackers succeed...");
if (!initConditions(key, config, atomMatchingTrackerMap, conditionTrackerMap,
allConditionTrackers, trackerToConditionMap, initialConditionCache)) {
ALOGE("initConditionTrackers failed");
return false;
}
if (!initStates(config, stateAtomIdMap, allStateGroupMaps)) {
ALOGE("initStates failed");
return false;
}
if (!initMetrics(key, config, timeBaseNs, currentTimeNs, pullerManager, atomMatchingTrackerMap,
conditionTrackerMap, allAtomMatchingTrackers, stateAtomIdMap,
allStateGroupMaps, allConditionTrackers, initialConditionCache,
allMetricProducers, conditionToMetricMap, trackerToMetricMap,
metricProducerMap, noReportMetricIds, activationAtomTrackerToMetricMap,
deactivationAtomTrackerToMetricMap, metricsWithActivation)) {
ALOGE("initMetricProducers failed");
return false;
}
if (!initAlerts(config, metricProducerMap, alertTrackerMap, anomalyAlarmMonitor,
allMetricProducers, allAnomalyTrackers)) {
ALOGE("initAlerts failed");
return false;
}
if (!initAlarms(config, key, periodicAlarmMonitor, timeBaseNs, currentTimeNs,
allPeriodicAlarmTrackers)) {
ALOGE("initAlarms failed");
return false;
}
return true;
}
} // namespace statsd
} // namespace os
} // namespace android