| /* |
| * 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 |
| #include "Log.h" |
| |
| #include <android/os/IStatsCompanionService.h> |
| #include <cutils/log.h> |
| #include <math.h> |
| #include <stdint.h> |
| #include <algorithm> |
| #include "../StatsService.h" |
| #include "../logd/LogEvent.h" |
| #include "../stats_log_util.h" |
| #include "../statscompanion_util.h" |
| #include "ResourceHealthManagerPuller.h" |
| #include "ResourceThermalManagerPuller.h" |
| #include "StatsCompanionServicePuller.h" |
| #include "StatsPullerManagerImpl.h" |
| #include "SubsystemSleepStatePuller.h" |
| #include "statslog.h" |
| |
| #include <iostream> |
| |
| using std::make_shared; |
| using std::map; |
| using std::shared_ptr; |
| using std::string; |
| using std::vector; |
| using std::list; |
| |
| namespace android { |
| namespace os { |
| namespace statsd { |
| |
| // Values smaller than this may require to update the alarm. |
| const int64_t NO_ALARM_UPDATE = INT64_MAX; |
| |
| const std::map<int, PullAtomInfo> StatsPullerManagerImpl::kAllPullAtomInfo = { |
| // wifi_bytes_transfer |
| {android::util::WIFI_BYTES_TRANSFER, |
| {{2, 3, 4, 5}, |
| {}, |
| 1 * NS_PER_SEC, |
| new StatsCompanionServicePuller(android::util::WIFI_BYTES_TRANSFER)}}, |
| // wifi_bytes_transfer_by_fg_bg |
| {android::util::WIFI_BYTES_TRANSFER_BY_FG_BG, |
| {{3, 4, 5, 6}, |
| {2}, |
| 1 * NS_PER_SEC, |
| new StatsCompanionServicePuller(android::util::WIFI_BYTES_TRANSFER_BY_FG_BG)}}, |
| // mobile_bytes_transfer |
| {android::util::MOBILE_BYTES_TRANSFER, |
| {{2, 3, 4, 5}, |
| {}, |
| 1 * NS_PER_SEC, |
| new StatsCompanionServicePuller(android::util::MOBILE_BYTES_TRANSFER)}}, |
| // mobile_bytes_transfer_by_fg_bg |
| {android::util::MOBILE_BYTES_TRANSFER_BY_FG_BG, |
| {{3, 4, 5, 6}, |
| {2}, |
| 1 * NS_PER_SEC, |
| new StatsCompanionServicePuller(android::util::MOBILE_BYTES_TRANSFER_BY_FG_BG)}}, |
| // bluetooth_bytes_transfer |
| {android::util::BLUETOOTH_BYTES_TRANSFER, |
| {{2, 3}, |
| {}, |
| 1 * NS_PER_SEC, |
| new StatsCompanionServicePuller(android::util::BLUETOOTH_BYTES_TRANSFER)}}, |
| // kernel_wakelock |
| {android::util::KERNEL_WAKELOCK, |
| {{}, {}, 1 * NS_PER_SEC, new StatsCompanionServicePuller(android::util::KERNEL_WAKELOCK)}}, |
| // subsystem_sleep_state |
| {android::util::SUBSYSTEM_SLEEP_STATE, |
| {{}, {}, 1 * NS_PER_SEC, new SubsystemSleepStatePuller()}}, |
| // cpu_time_per_freq |
| {android::util::CPU_TIME_PER_FREQ, |
| {{3}, |
| {2}, |
| 1 * NS_PER_SEC, |
| new StatsCompanionServicePuller(android::util::CPU_TIME_PER_FREQ)}}, |
| // cpu_time_per_uid |
| {android::util::CPU_TIME_PER_UID, |
| {{2, 3}, |
| {}, |
| 1 * NS_PER_SEC, |
| new StatsCompanionServicePuller(android::util::CPU_TIME_PER_UID)}}, |
| // cpu_time_per_uid_freq |
| // the throttling is 3sec, handled in |
| // frameworks/base/core/java/com/android/internal/os/KernelCpuProcReader |
| {android::util::CPU_TIME_PER_UID_FREQ, |
| {{4}, |
| {2, 3}, |
| 1 * NS_PER_SEC, |
| new StatsCompanionServicePuller(android::util::CPU_TIME_PER_UID_FREQ)}}, |
| // cpu_active_time |
| // the throttling is 3sec, handled in |
| // frameworks/base/core/java/com/android/internal/os/KernelCpuProcReader |
| {android::util::CPU_ACTIVE_TIME, |
| {{2}, |
| {}, |
| 1 * NS_PER_SEC, |
| new StatsCompanionServicePuller(android::util::CPU_ACTIVE_TIME)}}, |
| // cpu_cluster_time |
| // the throttling is 3sec, handled in |
| // frameworks/base/core/java/com/android/internal/os/KernelCpuProcReader |
| {android::util::CPU_CLUSTER_TIME, |
| {{3}, |
| {2}, |
| 1 * NS_PER_SEC, |
| new StatsCompanionServicePuller(android::util::CPU_CLUSTER_TIME)}}, |
| // wifi_activity_energy_info |
| {android::util::WIFI_ACTIVITY_INFO, |
| {{}, |
| {}, |
| 1 * NS_PER_SEC, |
| new StatsCompanionServicePuller(android::util::WIFI_ACTIVITY_INFO)}}, |
| // modem_activity_info |
| {android::util::MODEM_ACTIVITY_INFO, |
| {{}, |
| {}, |
| 1 * NS_PER_SEC, |
| new StatsCompanionServicePuller(android::util::MODEM_ACTIVITY_INFO)}}, |
| // bluetooth_activity_info |
| {android::util::BLUETOOTH_ACTIVITY_INFO, |
| {{}, |
| {}, |
| 1 * NS_PER_SEC, |
| new StatsCompanionServicePuller(android::util::BLUETOOTH_ACTIVITY_INFO)}}, |
| // system_elapsed_realtime |
| {android::util::SYSTEM_ELAPSED_REALTIME, |
| {{}, |
| {}, |
| 1 * NS_PER_SEC, |
| new StatsCompanionServicePuller(android::util::SYSTEM_ELAPSED_REALTIME)}}, |
| // system_uptime |
| {android::util::SYSTEM_UPTIME, |
| {{}, {}, 1 * NS_PER_SEC, new StatsCompanionServicePuller(android::util::SYSTEM_UPTIME)}}, |
| // disk_space |
| {android::util::DISK_SPACE, |
| {{}, {}, 1 * NS_PER_SEC, new StatsCompanionServicePuller(android::util::DISK_SPACE)}}, |
| // remaining_battery_capacity |
| {android::util::REMAINING_BATTERY_CAPACITY, |
| {{}, |
| {}, |
| 1 * NS_PER_SEC, |
| new ResourceHealthManagerPuller(android::util::REMAINING_BATTERY_CAPACITY)}}, |
| // full_battery_capacity |
| {android::util::FULL_BATTERY_CAPACITY, |
| {{}, |
| {}, |
| 1 * NS_PER_SEC, |
| new ResourceHealthManagerPuller(android::util::FULL_BATTERY_CAPACITY)}}, |
| // process_memory_state |
| {android::util::PROCESS_MEMORY_STATE, |
| {{4, 5, 6, 7, 8}, |
| {2, 3}, |
| 1 * NS_PER_SEC, |
| new StatsCompanionServicePuller(android::util::PROCESS_MEMORY_STATE)}}, |
| // temperature |
| {android::util::TEMPERATURE, {{}, {}, 1, new ResourceThermalManagerPuller()}}}; |
| |
| StatsPullerManagerImpl::StatsPullerManagerImpl() : mNextPullTimeNs(NO_ALARM_UPDATE) { |
| } |
| |
| bool StatsPullerManagerImpl::Pull(const int tagId, const int64_t timeNs, |
| vector<shared_ptr<LogEvent>>* data) { |
| VLOG("Initiating pulling %d", tagId); |
| |
| if (kAllPullAtomInfo.find(tagId) != kAllPullAtomInfo.end()) { |
| bool ret = kAllPullAtomInfo.find(tagId)->second.puller->Pull(timeNs, data); |
| VLOG("pulled %d items", (int)data->size()); |
| return ret; |
| } else { |
| VLOG("Unknown tagId %d", tagId); |
| return false; // Return early since we don't know what to pull. |
| } |
| } |
| |
| StatsPullerManagerImpl& StatsPullerManagerImpl::GetInstance() { |
| static StatsPullerManagerImpl instance; |
| return instance; |
| } |
| |
| bool StatsPullerManagerImpl::PullerForMatcherExists(int tagId) const { |
| return kAllPullAtomInfo.find(tagId) != kAllPullAtomInfo.end(); |
| } |
| |
| void StatsPullerManagerImpl::updateAlarmLocked() { |
| if (mNextPullTimeNs == NO_ALARM_UPDATE) { |
| VLOG("No need to set alarms. Skipping"); |
| return; |
| } |
| |
| sp<IStatsCompanionService> statsCompanionServiceCopy = mStatsCompanionService; |
| if (statsCompanionServiceCopy != nullptr) { |
| statsCompanionServiceCopy->setPullingAlarm(mNextPullTimeNs / 1000000); |
| } else { |
| VLOG("StatsCompanionService not available. Alarm not set."); |
| } |
| return; |
| } |
| |
| void StatsPullerManagerImpl::SetStatsCompanionService( |
| sp<IStatsCompanionService> statsCompanionService) { |
| AutoMutex _l(mLock); |
| sp<IStatsCompanionService> tmpForLock = mStatsCompanionService; |
| mStatsCompanionService = statsCompanionService; |
| for (const auto& pulledAtom : kAllPullAtomInfo) { |
| pulledAtom.second.puller->SetStatsCompanionService(statsCompanionService); |
| } |
| if (mStatsCompanionService != nullptr) { |
| updateAlarmLocked(); |
| } |
| } |
| |
| void StatsPullerManagerImpl::RegisterReceiver(int tagId, wp<PullDataReceiver> receiver, |
| int64_t nextPullTimeNs, int64_t intervalNs) { |
| AutoMutex _l(mLock); |
| auto& receivers = mReceivers[tagId]; |
| for (auto it = receivers.begin(); it != receivers.end(); it++) { |
| if (it->receiver == receiver) { |
| VLOG("Receiver already registered of %d", (int)receivers.size()); |
| return; |
| } |
| } |
| ReceiverInfo receiverInfo; |
| receiverInfo.receiver = receiver; |
| |
| // Round it to the nearest minutes. This is the limit of alarm manager. |
| // In practice, we should always have larger buckets. |
| int64_t roundedIntervalNs = intervalNs / NS_PER_SEC / 60 * NS_PER_SEC * 60; |
| // Scheduled pulling should be at least 1 min apart. |
| // This can be lower in cts tests, in which case we round it to 1 min. |
| if (roundedIntervalNs < 60 * (int64_t)NS_PER_SEC) { |
| roundedIntervalNs = 60 * (int64_t)NS_PER_SEC; |
| } |
| |
| receiverInfo.intervalNs = roundedIntervalNs; |
| receiverInfo.nextPullTimeNs = nextPullTimeNs; |
| receivers.push_back(receiverInfo); |
| |
| // There is only one alarm for all pulled events. So only set it to the smallest denom. |
| if (nextPullTimeNs < mNextPullTimeNs) { |
| VLOG("Updating next pull time %lld", (long long)mNextPullTimeNs); |
| mNextPullTimeNs = nextPullTimeNs; |
| updateAlarmLocked(); |
| } |
| VLOG("Puller for tagId %d registered of %d", tagId, (int)receivers.size()); |
| } |
| |
| void StatsPullerManagerImpl::UnRegisterReceiver(int tagId, wp<PullDataReceiver> receiver) { |
| AutoMutex _l(mLock); |
| if (mReceivers.find(tagId) == mReceivers.end()) { |
| VLOG("Unknown pull code or no receivers: %d", tagId); |
| return; |
| } |
| auto& receivers = mReceivers.find(tagId)->second; |
| for (auto it = receivers.begin(); it != receivers.end(); it++) { |
| if (receiver == it->receiver) { |
| receivers.erase(it); |
| VLOG("Puller for tagId %d unregistered of %d", tagId, (int)receivers.size()); |
| return; |
| } |
| } |
| } |
| |
| void StatsPullerManagerImpl::OnAlarmFired(const int64_t currentTimeNs) { |
| AutoMutex _l(mLock); |
| |
| int64_t minNextPullTimeNs = NO_ALARM_UPDATE; |
| |
| vector<pair<int, vector<ReceiverInfo*>>> needToPull = |
| vector<pair<int, vector<ReceiverInfo*>>>(); |
| for (auto& pair : mReceivers) { |
| vector<ReceiverInfo*> receivers = vector<ReceiverInfo*>(); |
| if (pair.second.size() != 0) { |
| for (ReceiverInfo& receiverInfo : pair.second) { |
| if (receiverInfo.nextPullTimeNs <= currentTimeNs) { |
| receivers.push_back(&receiverInfo); |
| } else { |
| if (receiverInfo.nextPullTimeNs < minNextPullTimeNs) { |
| minNextPullTimeNs = receiverInfo.nextPullTimeNs; |
| } |
| } |
| } |
| if (receivers.size() > 0) { |
| needToPull.push_back(make_pair(pair.first, receivers)); |
| } |
| } |
| } |
| |
| for (const auto& pullInfo : needToPull) { |
| vector<shared_ptr<LogEvent>> data; |
| if (Pull(pullInfo.first, currentTimeNs, &data)) { |
| for (const auto& receiverInfo : pullInfo.second) { |
| sp<PullDataReceiver> receiverPtr = receiverInfo->receiver.promote(); |
| if (receiverPtr != nullptr) { |
| receiverPtr->onDataPulled(data); |
| // we may have just come out of a coma, compute next pull time |
| receiverInfo->nextPullTimeNs = |
| (currentTimeNs - receiverInfo->nextPullTimeNs) / |
| receiverInfo->intervalNs * receiverInfo->intervalNs + |
| receiverInfo->intervalNs + receiverInfo->nextPullTimeNs; |
| if (receiverInfo->nextPullTimeNs < minNextPullTimeNs) { |
| minNextPullTimeNs = receiverInfo->nextPullTimeNs; |
| } |
| } else { |
| VLOG("receiver already gone."); |
| } |
| } |
| } |
| } |
| |
| VLOG("mNextPullTimeNs: %lld updated to %lld", (long long)mNextPullTimeNs, |
| (long long)minNextPullTimeNs); |
| mNextPullTimeNs = minNextPullTimeNs; |
| updateAlarmLocked(); |
| } |
| |
| int StatsPullerManagerImpl::ForceClearPullerCache() { |
| int totalCleared = 0; |
| for (const auto& pulledAtom : kAllPullAtomInfo) { |
| totalCleared += pulledAtom.second.puller->ForceClearCache(); |
| } |
| return totalCleared; |
| } |
| |
| int StatsPullerManagerImpl::ClearPullerCacheIfNecessary(int64_t timestampNs) { |
| int totalCleared = 0; |
| for (const auto& pulledAtom : kAllPullAtomInfo) { |
| totalCleared += pulledAtom.second.puller->ClearCacheIfNecessary(timestampNs); |
| } |
| return totalCleared; |
| } |
| |
| } // namespace statsd |
| } // namespace os |
| } // namespace android |