| /* |
| * 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 "metricslogger/metrics_logger.h" |
| |
| #include <cstdlib> |
| |
| #include <android-base/chrono_utils.h> |
| #include <log/event_tag_map.h> |
| |
| using namespace android; |
| |
| namespace { |
| |
| const static int kStatsEventTag = 1937006964; |
| const static int kKeyValuePairAtomId = 83; |
| #ifdef __ANDROID__ |
| EventTagMap* kEventTagMap = android_openEventTagMap(nullptr); |
| const int kSysuiMultiActionTag = android_lookupEventTagNum( |
| kEventTagMap, "sysui_multi_action", "(content|4)", ANDROID_LOG_UNKNOWN); |
| #else |
| // android_openEventTagMap does not work on host builds. |
| const int kSysuiMultiActionTag = 0; |
| #endif |
| |
| int64_t getElapsedTimeNanoSinceBoot() { |
| return std::chrono::duration_cast<std::chrono::nanoseconds>( |
| android::base::boot_clock::now().time_since_epoch()) |
| .count(); |
| } |
| |
| } // namespace |
| |
| namespace android { |
| namespace metricslogger { |
| |
| // Mirror com.android.internal.logging.MetricsLogger#histogram(). |
| void LogHistogram(const std::string& event, int32_t data) { |
| android_log_event_list log(kSysuiMultiActionTag); |
| log << LOGBUILDER_CATEGORY << LOGBUILDER_HISTOGRAM << LOGBUILDER_NAME << event |
| << LOGBUILDER_BUCKET << data << LOGBUILDER_VALUE << 1 << LOG_ID_EVENTS; |
| |
| stats_event_list stats_log(kStatsEventTag); |
| stats_log << getElapsedTimeNanoSinceBoot() << kKeyValuePairAtomId << LOGBUILDER_CATEGORY |
| << LOGBUILDER_HISTOGRAM << LOGBUILDER_NAME << event << LOGBUILDER_BUCKET << data |
| << LOGBUILDER_VALUE << 1; |
| stats_log.write(LOG_ID_STATS); |
| } |
| |
| // Mirror com.android.internal.logging.MetricsLogger#count(). |
| void LogCounter(const std::string& name, int32_t val) { |
| android_log_event_list log(kSysuiMultiActionTag); |
| log << LOGBUILDER_CATEGORY << LOGBUILDER_COUNTER << LOGBUILDER_NAME << name << LOGBUILDER_VALUE |
| << val << LOG_ID_EVENTS; |
| |
| stats_event_list stats_log(kStatsEventTag); |
| stats_log << getElapsedTimeNanoSinceBoot() << kKeyValuePairAtomId << LOGBUILDER_CATEGORY |
| << LOGBUILDER_COUNTER << LOGBUILDER_NAME << name << LOGBUILDER_VALUE << val; |
| stats_log.write(LOG_ID_STATS); |
| } |
| |
| // Mirror com.android.internal.logging.MetricsLogger#action(). |
| void LogMultiAction(int32_t category, int32_t field, const std::string& value) { |
| android_log_event_list log(kSysuiMultiActionTag); |
| log << LOGBUILDER_CATEGORY << category << LOGBUILDER_TYPE << TYPE_ACTION |
| << field << value << LOG_ID_EVENTS; |
| |
| stats_event_list stats_log(kStatsEventTag); |
| stats_log << getElapsedTimeNanoSinceBoot() << kKeyValuePairAtomId << LOGBUILDER_CATEGORY |
| << category << LOGBUILDER_TYPE << TYPE_ACTION << field << value; |
| stats_log.write(LOG_ID_STATS); |
| } |
| |
| ComplexEventLogger::ComplexEventLogger(int category) |
| : logger(kSysuiMultiActionTag), stats_logger(kStatsEventTag) { |
| logger << LOGBUILDER_CATEGORY << category; |
| stats_logger << getElapsedTimeNanoSinceBoot() << kKeyValuePairAtomId << LOGBUILDER_CATEGORY |
| << category; |
| } |
| |
| void ComplexEventLogger::SetPackageName(const std::string& package_name) { |
| logger << LOGBUILDER_PACKAGENAME << package_name; |
| stats_logger << LOGBUILDER_PACKAGENAME << package_name; |
| } |
| |
| void ComplexEventLogger::AddTaggedData(int tag, int32_t value) { |
| logger << tag << value; |
| stats_logger << tag << value; |
| } |
| |
| void ComplexEventLogger::AddTaggedData(int tag, const std::string& value) { |
| logger << tag << value; |
| stats_logger << tag << value; |
| } |
| |
| void ComplexEventLogger::AddTaggedData(int tag, int64_t value) { |
| logger << tag << value; |
| stats_logger << tag << value; |
| } |
| |
| void ComplexEventLogger::AddTaggedData(int tag, float value) { |
| logger << tag << value; |
| stats_logger << tag << value; |
| } |
| |
| void ComplexEventLogger::Record() { |
| logger << LOG_ID_EVENTS; |
| stats_logger.write(LOG_ID_STATS); |
| } |
| |
| } // namespace metricslogger |
| } // namespace android |