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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 "PowerHalControllerBenchmarks"
#include <android/hardware/power/Boost.h>
#include <android/hardware/power/Mode.h>
#include <benchmark/benchmark.h>
#include <powermanager/PowerHalController.h>
#include <testUtil.h>
#include <chrono>
using android::hardware::power::Boost;
using android::hardware::power::Mode;
using android::power::HalResult;
using android::power::PowerHalController;
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);
// Delay between oneway method calls to avoid overflowing the binder buffers.
static constexpr std::chrono::microseconds ONEWAY_API_DELAY = 100us;
template <typename T, class... Args0, class... Args1>
static void runBenchmark(benchmark::State& state, HalResult<T> (PowerHalController::*fn)(Args0...),
Args1&&... args1) {
while (state.KeepRunning()) {
PowerHalController controller;
HalResult<T> ret = (controller.*fn)(std::forward<Args1>(args1)...);
state.PauseTiming();
if (ret.isFailed()) state.SkipWithError("Power HAL request failed");
state.ResumeTiming();
}
}
template <typename T, class... Args0, class... Args1>
static void runCachedBenchmark(benchmark::State& state,
HalResult<T> (PowerHalController::*fn)(Args0...), Args1&&... args1) {
PowerHalController controller;
// First call out of test, to cache HAL service and isSupported result.
(controller.*fn)(std::forward<Args1>(args1)...);
while (state.KeepRunning()) {
HalResult<T> ret = (controller.*fn)(std::forward<Args1>(args1)...);
state.PauseTiming();
if (ret.isFailed()) {
state.SkipWithError("Power HAL request failed");
}
testDelaySpin(
std::chrono::duration_cast<std::chrono::duration<float>>(ONEWAY_API_DELAY).count());
state.ResumeTiming();
}
}
static void BM_PowerHalControllerBenchmarks_init(benchmark::State& state) {
while (state.KeepRunning()) {
PowerHalController controller;
controller.init();
}
}
static void BM_PowerHalControllerBenchmarks_initCached(benchmark::State& state) {
PowerHalController controller;
// First connection out of test.
controller.init();
while (state.KeepRunning()) {
controller.init();
}
}
static void BM_PowerHalControllerBenchmarks_setBoost(benchmark::State& state) {
Boost boost = static_cast<Boost>(state.range(0));
runBenchmark(state, &PowerHalController::setBoost, boost, 0);
}
static void BM_PowerHalControllerBenchmarks_setBoostCached(benchmark::State& state) {
Boost boost = static_cast<Boost>(state.range(0));
runCachedBenchmark(state, &PowerHalController::setBoost, boost, 0);
}
static void BM_PowerHalControllerBenchmarks_setMode(benchmark::State& state) {
Mode mode = static_cast<Mode>(state.range(0));
runBenchmark(state, &PowerHalController::setMode, mode, false);
}
static void BM_PowerHalControllerBenchmarks_setModeCached(benchmark::State& state) {
Mode mode = static_cast<Mode>(state.range(0));
runCachedBenchmark(state, &PowerHalController::setMode, mode, false);
}
BENCHMARK(BM_PowerHalControllerBenchmarks_init);
BENCHMARK(BM_PowerHalControllerBenchmarks_initCached);
BENCHMARK(BM_PowerHalControllerBenchmarks_setBoost)->DenseRange(FIRST_BOOST, LAST_BOOST, 1);
BENCHMARK(BM_PowerHalControllerBenchmarks_setBoostCached)->DenseRange(FIRST_BOOST, LAST_BOOST, 1);
BENCHMARK(BM_PowerHalControllerBenchmarks_setMode)->DenseRange(FIRST_MODE, LAST_MODE, 1);
BENCHMARK(BM_PowerHalControllerBenchmarks_setModeCached)->DenseRange(FIRST_MODE, LAST_MODE, 1);
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