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/*
* Copyright (C) 2020 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 LOG_TAG "PowerHalAidlBenchmarks"
#include <aidl/android/hardware/power/Boost.h>
#include <aidl/android/hardware/power/IPower.h>
#include <aidl/android/hardware/power/IPowerHintSession.h>
#include <aidl/android/hardware/power/Mode.h>
#include <aidl/android/hardware/power/WorkDuration.h>
#include <benchmark/benchmark.h>
#include <binder/IServiceManager.h>
#include <binder/Status.h>
#include <powermanager/PowerHalLoader.h>
#include <testUtil.h>
#include <chrono>
using aidl::android::hardware::power::Boost;
using aidl::android::hardware::power::IPower;
using aidl::android::hardware::power::IPowerHintSession;
using aidl::android::hardware::power::Mode;
using aidl::android::hardware::power::WorkDuration;
using android::power::PowerHalLoader;
using std::chrono::microseconds;
using namespace android;
using namespace std::chrono_literals;
// Values from Boost.aidl and Mode.aidl.
static constexpr int64_t FIRST_BOOST = static_cast<int64_t>(Boost::INTERACTION);
static constexpr int64_t LAST_BOOST = static_cast<int64_t>(Boost::CAMERA_SHOT);
static constexpr int64_t FIRST_MODE = static_cast<int64_t>(Mode::DOUBLE_TAP_TO_WAKE);
static constexpr int64_t LAST_MODE = static_cast<int64_t>(Mode::CAMERA_STREAMING_HIGH);
class DurationWrapper : public WorkDuration {
public:
DurationWrapper(int64_t dur, int64_t time) {
durationNanos = dur;
timeStampNanos = time;
}
};
static const std::vector<WorkDuration> DURATIONS = {
DurationWrapper(1L, 1L),
DurationWrapper(1000L, 2L),
DurationWrapper(1000000L, 3L),
DurationWrapper(1000000000L, 4L),
};
// Delay between oneway method calls to avoid overflowing the binder buffers.
static constexpr microseconds ONEWAY_API_DELAY = 100us;
template <class R, class... Args0, class... Args1>
static void runBenchmark(benchmark::State& state, microseconds delay, R (IPower::*fn)(Args0...),
Args1&&... args1) {
std::shared_ptr<IPower> hal = PowerHalLoader::loadAidl();
if (hal == nullptr) {
ALOGV("Power HAL not available, skipping test...");
state.SkipWithMessage("Power HAL unavailable");
return;
}
ndk::ScopedAStatus ret = (*hal.*fn)(std::forward<Args1>(args1)...);
if (ret.getExceptionCode() == binder::Status::EX_UNSUPPORTED_OPERATION) {
ALOGV("Power HAL does not support this operation, skipping test...");
state.SkipWithMessage("operation unsupported");
return;
}
while (state.KeepRunning()) {
ret = (*hal.*fn)(std::forward<Args1>(args1)...);
state.PauseTiming();
if (!ret.isOk()) state.SkipWithError(ret.getDescription().c_str());
if (delay > 0us) {
testDelaySpin(std::chrono::duration_cast<std::chrono::duration<float>>(delay).count());
}
state.ResumeTiming();
}
}
template <class R, class... Args0, class... Args1>
static void runSessionBenchmark(benchmark::State& state, R (IPowerHintSession::*fn)(Args0...),
Args1&&... args1) {
std::shared_ptr<IPower> hal = PowerHalLoader::loadAidl();
if (hal == nullptr) {
ALOGV("Power HAL not available, skipping test...");
state.SkipWithMessage("Power HAL unavailable");
return;
}
// do not use tid from the benchmark process, use 1 for init
std::vector<int32_t> threadIds{1};
int64_t durationNanos = 16666666L;
std::shared_ptr<IPowerHintSession> session;
auto status = hal->createHintSession(1, 0, threadIds, durationNanos, &session);
if (session == nullptr) {
ALOGV("Power HAL doesn't support session, skipping test...");
state.SkipWithMessage("operation unsupported");
return;
}
ndk::ScopedAStatus ret = (*session.*fn)(std::forward<Args1>(args1)...);
if (ret.getExceptionCode() == binder::Status::EX_UNSUPPORTED_OPERATION) {
ALOGV("Power HAL does not support this operation, skipping test...");
state.SkipWithMessage("operation unsupported");
return;
}
while (state.KeepRunning()) {
ret = (*session.*fn)(std::forward<Args1>(args1)...);
state.PauseTiming();
if (!ret.isOk()) state.SkipWithError(ret.getDescription().c_str());
if (ONEWAY_API_DELAY > 0us) {
testDelaySpin(std::chrono::duration_cast<std::chrono::duration<float>>(ONEWAY_API_DELAY)
.count());
}
state.ResumeTiming();
}
session->close();
}
static void BM_PowerHalAidlBenchmarks_isBoostSupported(benchmark::State& state) {
bool isSupported;
Boost boost = static_cast<Boost>(state.range(0));
runBenchmark(state, 0us, &IPower::isBoostSupported, boost, &isSupported);
}
static void BM_PowerHalAidlBenchmarks_isModeSupported(benchmark::State& state) {
bool isSupported;
Mode mode = static_cast<Mode>(state.range(0));
runBenchmark(state, 0us, &IPower::isModeSupported, mode, &isSupported);
}
static void BM_PowerHalAidlBenchmarks_setBoost(benchmark::State& state) {
Boost boost = static_cast<Boost>(state.range(0));
runBenchmark(state, ONEWAY_API_DELAY, &IPower::setBoost, boost, 1);
}
static void BM_PowerHalAidlBenchmarks_setMode(benchmark::State& state) {
Mode mode = static_cast<Mode>(state.range(0));
runBenchmark(state, ONEWAY_API_DELAY, &IPower::setMode, mode, false);
}
static void BM_PowerHalAidlBenchmarks_createHintSession(benchmark::State& state) {
std::vector<int32_t> threadIds{static_cast<int32_t>(state.range(0))};
int64_t durationNanos = 16666666L;
int32_t tgid = 999;
int32_t uid = 1001;
std::shared_ptr<IPowerHintSession> appSession;
std::shared_ptr<IPower> hal = PowerHalLoader::loadAidl();
if (hal == nullptr) {
ALOGV("Power HAL not available, skipping test...");
state.SkipWithMessage("Power HAL unavailable");
return;
}
ndk::ScopedAStatus ret =
hal->createHintSession(tgid, uid, threadIds, durationNanos, &appSession);
if (ret.getExceptionCode() == binder::Status::EX_UNSUPPORTED_OPERATION) {
ALOGV("Power HAL does not support this operation, skipping test...");
state.SkipWithMessage("operation unsupported");
return;
}
while (state.KeepRunning()) {
ret = hal->createHintSession(tgid, uid, threadIds, durationNanos, &appSession);
state.PauseTiming();
if (!ret.isOk()) state.SkipWithError(ret.getDescription().c_str());
appSession->close();
state.ResumeTiming();
}
}
static void BM_PowerHalAidlBenchmarks_getHintSessionPreferredRate(benchmark::State& state) {
int64_t rate;
runBenchmark(state, 0us, &IPower::getHintSessionPreferredRate, &rate);
}
static void BM_PowerHalAidlBenchmarks_updateTargetWorkDuration(benchmark::State& state) {
int64_t duration = 1000;
runSessionBenchmark(state, &IPowerHintSession::updateTargetWorkDuration, duration);
}
static void BM_PowerHalAidlBenchmarks_reportActualWorkDuration(benchmark::State& state) {
runSessionBenchmark(state, &IPowerHintSession::reportActualWorkDuration, DURATIONS);
}
BENCHMARK(BM_PowerHalAidlBenchmarks_isBoostSupported)->DenseRange(FIRST_BOOST, LAST_BOOST, 1);
BENCHMARK(BM_PowerHalAidlBenchmarks_isModeSupported)->DenseRange(FIRST_MODE, LAST_MODE, 1);
BENCHMARK(BM_PowerHalAidlBenchmarks_setBoost)->DenseRange(FIRST_BOOST, LAST_BOOST, 1);
BENCHMARK(BM_PowerHalAidlBenchmarks_setMode)->DenseRange(FIRST_MODE, LAST_MODE, 1);
BENCHMARK(BM_PowerHalAidlBenchmarks_createHintSession)->Arg(1);
BENCHMARK(BM_PowerHalAidlBenchmarks_getHintSessionPreferredRate);
BENCHMARK(BM_PowerHalAidlBenchmarks_updateTargetWorkDuration);
BENCHMARK(BM_PowerHalAidlBenchmarks_reportActualWorkDuration);
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