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powerstats: Add placeholder energy consumer for bt and wifi

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Bug: 184092278
Test: dumpsys android.hardware.power.stats.IPowerStats/default
Change-Id: I00e277c6ddad81f970e7345870b0bf904ca433e9
This commit is contained in:
Benjamin Schwartz 2021-03-31 12:00:43 -07:00 • committed by Thierry Strudel
parent 2c8bc95925
commit a0519357f3
1 changed files with 63 additions and 0 deletions
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63
powerstats/service.cpp
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@ -46,6 +46,65 @@ using aidl::android::hardware::power::stats::PowerStatsEnergyConsumer;
constexpr char kBootHwSoCRev[] = "ro.boot.hw.soc.rev";
// TODO (b/181070764) (b/182941084):
// Remove this when Wifi/BT energy consumption models are available or revert before ship
using aidl::android::hardware::power::stats::EnergyConsumerResult;
using aidl::android::hardware::power::stats::Channel;
using aidl::android::hardware::power::stats::EnergyMeasurement;
class PlaceholderEnergyConsumer : public PowerStats::IEnergyConsumer {
public:
PlaceholderEnergyConsumer(std::shared_ptr<PowerStats> p, EnergyConsumerType type,
std::string name) : kType(type), kName(name), mPowerStats(p), mChannelId(-1) {
std::vector<Channel> channels;
mPowerStats->getEnergyMeterInfo(&channels);
for (const auto &c : channels) {
if (c.name == "VSYS_PWR_WLAN_BT") {
mChannelId = c.id;
break;
}
}
}
std::pair<EnergyConsumerType, std::string> getInfo() override { return {kType, kName}; }
std::optional<EnergyConsumerResult> getEnergyConsumed() override {
int64_t totalEnergyUWs = 0;
int64_t timestampMs = 0;
if (mChannelId != -1) {
std::vector<EnergyMeasurement> measurements;
if (mPowerStats->readEnergyMeter({mChannelId}, &measurements).isOk()) {
for (const auto &m : measurements) {
totalEnergyUWs += m.energyUWs;
timestampMs = m.timestampMs;
}
} else {
LOG(ERROR) << "Failed to read energy meter";
return {};
}
}
return EnergyConsumerResult{.timestampMs = timestampMs,
.energyUWs = totalEnergyUWs>>1};
}
std::string getConsumerName() override {
return kName;
};
private:
const EnergyConsumerType kType;
const std::string kName;
std::shared_ptr<PowerStats> mPowerStats;
int32_t mChannelId;
};
void addPlaceholderEnergyConsumers(std::shared_ptr<PowerStats> p) {
p->addEnergyConsumer(
std::make_unique<PlaceholderEnergyConsumer>(p, EnergyConsumerType::WIFI, "Wifi"));
p->addEnergyConsumer(
std::make_unique<PlaceholderEnergyConsumer>(p, EnergyConsumerType::BLUETOOTH, "BT"));
}
void addAoC(std::shared_ptr<PowerStats> p) {
std::string prefix = "/sys/devices/platform/19000000.aoc/control/";
@ -540,6 +599,10 @@ int main() {
addWifi(p);
addUfs(p);
// TODO (b/181070764) (b/182941084):
// Remove this when Wifi/BT energy consumption models are available or revert before ship
addPlaceholderEnergyConsumers(p);
const std::string instance = std::string() + PowerStats::descriptor + "/default";
binder_status_t status = AServiceManager_addService(p->asBinder().get(), instance.c_str());
LOG_ALWAYS_FATAL_IF(status != STATUS_OK);