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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.
*/
#define DEBUG false
#include "Log.h"
#include <android/os/IStatsCompanionService.h>
#include <cutils/log.h>
#include <algorithm>
#include <climits>
#include "CpuTimePerUidFreqPuller.h"
#include "CpuTimePerUidPuller.h"
#include "ResourceHealthManagerPuller.h"
#include "KernelUidCpuActiveTimeReader.h"
#include "KernelUidCpuClusterTimeReader.h"
#include "SubsystemSleepStatePuller.h"
#include "StatsCompanionServicePuller.h"
#include "StatsPullerManagerImpl.h"
#include "StatsService.h"
#include "SubsystemSleepStatePuller.h"
#include "logd/LogEvent.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 {
const std::map<int, PullAtomInfo> StatsPullerManagerImpl::kAllPullAtomInfo = {
// wifi_bytes_transfer
{android::util::WIFI_BYTES_TRANSFER,
{{2, 3, 4, 5},
{},
1,
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,
new StatsCompanionServicePuller(android::util::WIFI_BYTES_TRANSFER_BY_FG_BG)}},
// mobile_bytes_transfer
{android::util::MOBILE_BYTES_TRANSFER,
{{2, 3, 4, 5},
{},
1,
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,
new StatsCompanionServicePuller(android::util::MOBILE_BYTES_TRANSFER_BY_FG_BG)}},
// bluetooth_bytes_transfer
{android::util::BLUETOOTH_BYTES_TRANSFER,
{{2, 3}, {}, 1, new StatsCompanionServicePuller(android::util::BLUETOOTH_BYTES_TRANSFER)}},
// kernel_wakelock
{android::util::KERNEL_WAKELOCK,
{{}, {}, 1, new StatsCompanionServicePuller(android::util::KERNEL_WAKELOCK)}},
// subsystem_sleep_state
{android::util::SUBSYSTEM_SLEEP_STATE, {{}, {}, 1, new SubsystemSleepStatePuller()}},
// cpu_time_per_freq
{android::util::CPU_TIME_PER_FREQ,
{{3}, {2}, 1, new StatsCompanionServicePuller(android::util::CPU_TIME_PER_FREQ)}},
// cpu_time_per_uid
{android::util::CPU_TIME_PER_UID, {{2, 3}, {}, 1, new CpuTimePerUidPuller()}},
// cpu_time_per_uid_freq
{android::util::CPU_TIME_PER_UID_FREQ, {{3}, {2}, 1, new CpuTimePerUidFreqPuller()}},
// wifi_activity_energy_info
{android::util::WIFI_ACTIVITY_ENERGY_INFO,
{{}, {}, 1, new StatsCompanionServicePuller(android::util::WIFI_ACTIVITY_ENERGY_INFO)}},
// modem_activity_info
{android::util::MODEM_ACTIVITY_INFO,
{{}, {}, 1, new StatsCompanionServicePuller(android::util::MODEM_ACTIVITY_INFO)}},
// bluetooth_activity_info
{android::util::BLUETOOTH_ACTIVITY_INFO,
{{}, {}, 1, new StatsCompanionServicePuller(android::util::BLUETOOTH_ACTIVITY_INFO)}},
// system_elapsed_realtime
{android::util::SYSTEM_ELAPSED_REALTIME,
{{}, {}, 1, new StatsCompanionServicePuller(android::util::SYSTEM_ELAPSED_REALTIME)}},
// system_uptime
{android::util::SYSTEM_UPTIME,
{{}, {}, 1, new StatsCompanionServicePuller(android::util::SYSTEM_UPTIME)}},
// cpu_active_time
{android::util::CPU_ACTIVE_TIME, {{3}, {2}, 1, new KernelUidCpuActiveTimeReader()}},
// cpu_cluster_time
{android::util::CPU_CLUSTER_TIME, {{3}, {2}, 1, new KernelUidCpuClusterTimeReader()}},
// disk_space
{android::util::DISK_SPACE,
{{}, {}, 1, new StatsCompanionServicePuller(android::util::DISK_SPACE)}},
// remaining_battery_capacity
{android::util::REMAINING_BATTERY_CAPACITY,
{{}, {}, 1, new ResourceHealthManagerPuller(android::util::REMAINING_BATTERY_CAPACITY)}},
// full_battery_capacity
{android::util::FULL_BATTERY_CAPACITY,
{{}, {}, 1, new ResourceHealthManagerPuller(android::util::FULL_BATTERY_CAPACITY)}}};
StatsPullerManagerImpl::StatsPullerManagerImpl()
: mCurrentPullingInterval(LONG_MAX) {
mStatsCompanionService = StatsService::getStatsCompanionService();
}
bool StatsPullerManagerImpl::Pull(int tagId, vector<shared_ptr<LogEvent>>* data) {
VLOG("Initiating pulling %d", tagId);
if (kAllPullAtomInfo.find(tagId) != kAllPullAtomInfo.end()) {
bool ret = kAllPullAtomInfo.find(tagId)->second.puller->Pull(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::RegisterReceiver(int tagId, wp<PullDataReceiver> receiver,
long intervalMs) {
AutoMutex _l(mReceiversLock);
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;
receiverInfo.timeInfo.first = intervalMs;
receivers.push_back(receiverInfo);
// Round it to the nearest minutes. This is the limit of alarm manager.
// In practice, we should limit it higher.
long roundedIntervalMs = intervalMs/1000/60 * 1000 * 60;
// There is only one alarm for all pulled events. So only set it to the smallest denom.
if (roundedIntervalMs < mCurrentPullingInterval) {
VLOG("Updating pulling interval %ld", intervalMs);
mCurrentPullingInterval = roundedIntervalMs;
long currentTimeMs = time(nullptr) * 1000;
long nextAlarmTimeMs = currentTimeMs + mCurrentPullingInterval - (currentTimeMs - mTimeBaseSec * 1000) % mCurrentPullingInterval;
if (mStatsCompanionService != nullptr) {
mStatsCompanionService->setPullingAlarms(nextAlarmTimeMs, mCurrentPullingInterval);
} else {
VLOG("Failed to update pulling interval");
}
}
VLOG("Puller for tagId %d registered of %d", tagId, (int)receivers.size());
}
void StatsPullerManagerImpl::UnRegisterReceiver(int tagId, wp<PullDataReceiver> receiver) {
AutoMutex _l(mReceiversLock);
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() {
AutoMutex _l(mReceiversLock);
uint64_t currentTimeMs = time(nullptr) /60 * 60 * 1000;
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 (auto& receiverInfo : pair.second) {
if (receiverInfo.timeInfo.first + receiverInfo.timeInfo.second > currentTimeMs) {
receivers.push_back(&receiverInfo);
}
}
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, &data)) {
for (const auto& receiverInfo : pullInfo.second) {
sp<PullDataReceiver> receiverPtr = receiverInfo->receiver.promote();
if (receiverPtr != nullptr) {
receiverPtr->onDataPulled(data);
receiverInfo->timeInfo.second = currentTimeMs;
} else {
VLOG("receiver already gone.");
}
}
}
}
}
int StatsPullerManagerImpl::ForceClearPullerCache() {
int totalCleared = 0;
for (const auto& pulledAtom : kAllPullAtomInfo) {
totalCleared += pulledAtom.second.puller->ForceClearCache();
}
return totalCleared;
}
int StatsPullerManagerImpl::ClearPullerCacheIfNecessary(long timestampSec) {
int totalCleared = 0;
for (const auto& pulledAtom : kAllPullAtomInfo) {
totalCleared += pulledAtom.second.puller->ClearCacheIfNecessary(timestampSec);
}
return totalCleared;
}
} // namespace statsd
} // namespace os
} // namespace android
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