blob: 4a716cf3fa77906efb7e64ec33b3355bca602e38 [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
#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 "PowerStatsPuller.h"
#include "ResourceHealthManagerPuller.h"
#include "ResourceThermalManagerPuller.h"
#include "StatsCompanionServicePuller.h"
#include "StatsPullerManager.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> StatsPullerManager::kAllPullAtomInfo = {
// wifi_bytes_transfer
{android::util::WIFI_BYTES_TRANSFER,
{.additiveFields = {2, 3, 4, 5},
.puller = new StatsCompanionServicePuller(android::util::WIFI_BYTES_TRANSFER)}},
// wifi_bytes_transfer_by_fg_bg
{android::util::WIFI_BYTES_TRANSFER_BY_FG_BG,
{.additiveFields = {3, 4, 5, 6},
.puller = new StatsCompanionServicePuller(android::util::WIFI_BYTES_TRANSFER_BY_FG_BG)}},
// mobile_bytes_transfer
{android::util::MOBILE_BYTES_TRANSFER,
{.additiveFields = {2, 3, 4, 5},
.puller = new StatsCompanionServicePuller(android::util::MOBILE_BYTES_TRANSFER)}},
// mobile_bytes_transfer_by_fg_bg
{android::util::MOBILE_BYTES_TRANSFER_BY_FG_BG,
{.additiveFields = {3, 4, 5, 6},
.puller =
new StatsCompanionServicePuller(android::util::MOBILE_BYTES_TRANSFER_BY_FG_BG)}},
// bluetooth_bytes_transfer
{android::util::BLUETOOTH_BYTES_TRANSFER,
{.additiveFields = {2, 3},
.puller = new StatsCompanionServicePuller(android::util::BLUETOOTH_BYTES_TRANSFER)}},
// kernel_wakelock
{android::util::KERNEL_WAKELOCK,
{.puller = new StatsCompanionServicePuller(android::util::KERNEL_WAKELOCK)}},
// subsystem_sleep_state
{android::util::SUBSYSTEM_SLEEP_STATE, {.puller = new SubsystemSleepStatePuller()}},
// on_device_power_measurement
{android::util::ON_DEVICE_POWER_MEASUREMENT, {.puller = new PowerStatsPuller()}},
// cpu_time_per_freq
{android::util::CPU_TIME_PER_FREQ,
{.additiveFields = {3},
.puller = new StatsCompanionServicePuller(android::util::CPU_TIME_PER_FREQ)}},
// cpu_time_per_uid
{android::util::CPU_TIME_PER_UID,
{.additiveFields = {2, 3},
.puller = 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,
{.additiveFields = {4},
.puller = 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,
{.additiveFields = {2},
.puller = 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,
{.additiveFields = {3},
.puller = new StatsCompanionServicePuller(android::util::CPU_CLUSTER_TIME)}},
// wifi_activity_energy_info
{android::util::WIFI_ACTIVITY_INFO,
{.puller = new StatsCompanionServicePuller(android::util::WIFI_ACTIVITY_INFO)}},
// modem_activity_info
{android::util::MODEM_ACTIVITY_INFO,
{.puller = new StatsCompanionServicePuller(android::util::MODEM_ACTIVITY_INFO)}},
// bluetooth_activity_info
{android::util::BLUETOOTH_ACTIVITY_INFO,
{.puller = new StatsCompanionServicePuller(android::util::BLUETOOTH_ACTIVITY_INFO)}},
// system_elapsed_realtime
{android::util::SYSTEM_ELAPSED_REALTIME,
{.pullTimeoutNs = NS_PER_SEC / 2,
.coolDownNs = NS_PER_SEC,
.puller = new StatsCompanionServicePuller(android::util::SYSTEM_ELAPSED_REALTIME)}},
// system_uptime
{android::util::SYSTEM_UPTIME,
{.puller = new StatsCompanionServicePuller(android::util::SYSTEM_UPTIME)}},
// remaining_battery_capacity
{android::util::REMAINING_BATTERY_CAPACITY,
{.puller = new ResourceHealthManagerPuller(android::util::REMAINING_BATTERY_CAPACITY)}},
// full_battery_capacity
{android::util::FULL_BATTERY_CAPACITY,
{.puller = new ResourceHealthManagerPuller(android::util::FULL_BATTERY_CAPACITY)}},
// battery_voltage
{android::util::BATTERY_VOLTAGE,
{.puller = new ResourceHealthManagerPuller(android::util::BATTERY_VOLTAGE)}},
// battery_voltage
{android::util::BATTERY_LEVEL,
{.puller = new ResourceHealthManagerPuller(android::util::BATTERY_LEVEL)}},
// process_memory_state
{android::util::PROCESS_MEMORY_STATE,
{.additiveFields = {4, 5, 6, 7, 8, 9},
.puller = new StatsCompanionServicePuller(android::util::PROCESS_MEMORY_STATE)}},
// native_process_memory_state
{android::util::NATIVE_PROCESS_MEMORY_STATE,
{.additiveFields = {3, 4, 5, 6},
.puller = new StatsCompanionServicePuller(android::util::NATIVE_PROCESS_MEMORY_STATE)}},
{android::util::PROCESS_MEMORY_HIGH_WATER_MARK,
{.additiveFields = {3},
.puller =
new StatsCompanionServicePuller(android::util::PROCESS_MEMORY_HIGH_WATER_MARK)}},
// temperature
{android::util::TEMPERATURE, {.puller = new ResourceThermalManagerPuller()}},
// binder_calls
{android::util::BINDER_CALLS,
{.additiveFields = {4, 5, 6, 8, 12},
.puller = new StatsCompanionServicePuller(android::util::BINDER_CALLS)}},
// binder_calls_exceptions
{android::util::BINDER_CALLS_EXCEPTIONS,
{.puller = new StatsCompanionServicePuller(android::util::BINDER_CALLS_EXCEPTIONS)}},
// looper_stats
{android::util::LOOPER_STATS,
{.additiveFields = {5, 6, 7, 8, 9},
.puller = new StatsCompanionServicePuller(android::util::LOOPER_STATS)}},
// Disk Stats
{android::util::DISK_STATS,
{.puller = new StatsCompanionServicePuller(android::util::DISK_STATS)}},
// Directory usage
{android::util::DIRECTORY_USAGE,
{.puller = new StatsCompanionServicePuller(android::util::DIRECTORY_USAGE)}},
// Size of app's code, data, and cache
{android::util::APP_SIZE,
{.puller = new StatsCompanionServicePuller(android::util::APP_SIZE)}},
// Size of specific categories of files. Eg. Music.
{android::util::CATEGORY_SIZE,
{.puller = new StatsCompanionServicePuller(android::util::CATEGORY_SIZE)}},
// Number of fingerprints registered to each user.
{android::util::NUM_FINGERPRINTS,
{.puller = new StatsCompanionServicePuller(android::util::NUM_FINGERPRINTS)}},
// ProcStats.
{android::util::PROC_STATS,
{.puller = new StatsCompanionServicePuller(android::util::PROC_STATS)}},
// ProcStatsPkgProc.
{android::util::PROC_STATS_PKG_PROC,
{.puller = new StatsCompanionServicePuller(android::util::PROC_STATS_PKG_PROC)}},
// Disk I/O stats per uid.
{android::util::DISK_IO,
{.additiveFields = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11},
.coolDownNs = 3 * NS_PER_SEC,
.puller = new StatsCompanionServicePuller(android::util::DISK_IO)}},
// PowerProfile constants for power model calculations.
{android::util::POWER_PROFILE,
{.puller = new StatsCompanionServicePuller(android::util::POWER_PROFILE)}},
// Process cpu stats. Min cool-down is 5 sec, inline with what AcitivityManagerService uses.
{android::util::PROCESS_CPU_TIME,
{.coolDownNs = 5 * NS_PER_SEC /* min cool-down in seconds*/,
.puller = new StatsCompanionServicePuller(android::util::PROCESS_CPU_TIME)}},
{android::util::CPU_TIME_PER_THREAD_FREQ,
{.additiveFields = {7, 9, 11, 13, 15, 17, 19, 21},
.puller = new StatsCompanionServicePuller(android::util::CPU_TIME_PER_THREAD_FREQ)}},
// DeviceCalculatedPowerUse.
{android::util::DEVICE_CALCULATED_POWER_USE,
{.puller = new StatsCompanionServicePuller(android::util::DEVICE_CALCULATED_POWER_USE)}},
// DeviceCalculatedPowerBlameUid.
{android::util::DEVICE_CALCULATED_POWER_BLAME_UID,
{.puller = new StatsCompanionServicePuller(
android::util::DEVICE_CALCULATED_POWER_BLAME_UID)}},
// DeviceCalculatedPowerBlameOther.
{android::util::DEVICE_CALCULATED_POWER_BLAME_OTHER,
{.puller = new StatsCompanionServicePuller(
android::util::DEVICE_CALCULATED_POWER_BLAME_OTHER)}},
// BuildInformation.
{android::util::BUILD_INFORMATION,
{.puller = new StatsCompanionServicePuller(android::util::BUILD_INFORMATION)}},
};
StatsPullerManager::StatsPullerManager() : mNextPullTimeNs(NO_ALARM_UPDATE) {
}
bool StatsPullerManager::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.
}
}
bool StatsPullerManager::PullerForMatcherExists(int tagId) const {
return kAllPullAtomInfo.find(tagId) != kAllPullAtomInfo.end();
}
void StatsPullerManager::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 StatsPullerManager::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 StatsPullerManager::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 StatsPullerManager::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 StatsPullerManager::OnAlarmFired(int64_t elapsedTimeNs) {
AutoMutex _l(mLock);
int64_t wallClockNs = getWallClockNs();
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 <= elapsedTimeNs) {
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, &data)) {
VLOG("pull failed at %lld, will try again later", (long long)elapsedTimeNs);
continue;
}
StatsdStats::getInstance().notePullDelay(pullInfo.first,
getElapsedRealtimeNs() - elapsedTimeNs);
// Convention is to mark pull atom timestamp at request time.
// If we pull at t0, puller starts at t1, finishes at t2, and send back
// at t3, we mark t0 as its timestamp, which should correspond to its
// triggering event, such as condition change at t0.
// Here the triggering event is alarm fired from AlarmManager.
// In ValueMetricProducer and GaugeMetricProducer we do same thing
// when pull on condition change, etc.
for (auto& event : data) {
event->setElapsedTimestampNs(elapsedTimeNs);
event->setLogdWallClockTimestampNs(wallClockNs);
}
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
int numBucketsAhead =
(elapsedTimeNs - receiverInfo->nextPullTimeNs) / receiverInfo->intervalNs;
receiverInfo->nextPullTimeNs += (numBucketsAhead + 1) * receiverInfo->intervalNs;
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 StatsPullerManager::ForceClearPullerCache() {
int totalCleared = 0;
for (const auto& pulledAtom : kAllPullAtomInfo) {
totalCleared += pulledAtom.second.puller->ForceClearCache();
}
return totalCleared;
}
int StatsPullerManager::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