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/*
* Copyright (C) 2019 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.
*/
#include "benchmark/benchmark.h"
#include <android/hardware/vibrator/1.3/IVibrator.h>
using ::android::sp;
using ::android::hardware::hidl_enum_range;
using ::android::hardware::Return;
using ::android::hardware::details::hidl_enum_values;
using ::benchmark::Counter;
using ::benchmark::Fixture;
using ::benchmark::kMicrosecond;
using ::benchmark::State;
using ::benchmark::internal::Benchmark;
using ::std::chrono::duration;
using ::std::chrono::duration_cast;
using ::std::chrono::high_resolution_clock;
namespace V1_0 = ::android::hardware::vibrator::V1_0;
namespace V1_1 = ::android::hardware::vibrator::V1_1;
namespace V1_2 = ::android::hardware::vibrator::V1_2;
namespace V1_3 = ::android::hardware::vibrator::V1_3;
template <typename I>
class VibratorBench : public Fixture {
public:
void SetUp(State & /*state*/) override { mVibrator = I::getService(); }
void TearDown(State & /*state*/) override {
if (!mVibrator) {
return;
}
mVibrator->off();
}
static void DefaultConfig(Benchmark *b) { b->Unit(kMicrosecond); }
static void DefaultArgs(Benchmark * /*b*/) {
// none
}
protected:
auto getOtherArg(const State &state, std::size_t index) const {
return state.range(index + 0);
}
protected:
sp<I> mVibrator;
};
enum class EmptyEnum : uint32_t;
template <>
inline constexpr std::array<EmptyEnum, 0> hidl_enum_values<EmptyEnum> = {};
template <typename T, typename U>
std::set<T> difference(const hidl_enum_range<T> &t, const hidl_enum_range<U> &u) {
class Compare {
public:
bool operator()(const T &a, const U &b) { return a < static_cast<T>(b); }
bool operator()(const U &a, const T &b) { return static_cast<T>(a) < b; }
};
std::set<T> ret;
std::set_difference(t.begin(), t.end(), u.begin(), u.end(),
std::insert_iterator<decltype(ret)>(ret, ret.begin()), Compare());
return ret;
}
template <typename I, typename E1, typename E2 = EmptyEnum>
class VibratorEffectsBench : public VibratorBench<I> {
public:
using Effect = E1;
using EffectStrength = V1_0::EffectStrength;
using Status = V1_0::Status;
public:
static void DefaultArgs(Benchmark *b) {
b->ArgNames({"Effect", "Strength"});
for (const auto &effect : difference(hidl_enum_range<E1>(), hidl_enum_range<E2>())) {
for (const auto &strength : hidl_enum_range<EffectStrength>()) {
b->Args({static_cast<long>(effect), static_cast<long>(strength)});
}
}
}
void performBench(State *state, Return<void> (I::*performApi)(Effect, EffectStrength,
typename I::perform_cb)) {
auto effect = getEffect(*state);
auto strength = getStrength(*state);
bool supported = true;
(*this->mVibrator.*performApi)(effect, strength, [&](Status status, uint32_t /*lengthMs*/) {
if (status == Status::UNSUPPORTED_OPERATION) {
supported = false;
}
});
if (!supported) {
return;
}
for (auto _ : *state) {
state->ResumeTiming();
(*this->mVibrator.*performApi)(effect, strength,
[](Status /*status*/, uint32_t /*lengthMs*/) {});
state->PauseTiming();
this->mVibrator->off();
}
}
protected:
auto getEffect(const State &state) const {
return static_cast<Effect>(this->getOtherArg(state, 0));
}
auto getStrength(const State &state) const {
return static_cast<EffectStrength>(this->getOtherArg(state, 1));
}
};
#define BENCHMARK_WRAPPER(fixt, test, code) \
BENCHMARK_DEFINE_F(fixt, test) \
/* NOLINTNEXTLINE */ \
(State & state) { \
if (!mVibrator) { \
return; \
} \
\
code \
} \
BENCHMARK_REGISTER_F(fixt, test)->Apply(fixt::DefaultConfig)->Apply(fixt::DefaultArgs)
using VibratorBench_V1_0 = VibratorBench<V1_0::IVibrator>;
BENCHMARK_WRAPPER(VibratorBench_V1_0, on, {
uint32_t ms = UINT32_MAX;
for (auto _ : state) {
state.ResumeTiming();
mVibrator->on(ms);
state.PauseTiming();
mVibrator->off();
}
});
BENCHMARK_WRAPPER(VibratorBench_V1_0, off, {
uint32_t ms = UINT32_MAX;
for (auto _ : state) {
state.PauseTiming();
mVibrator->on(ms);
state.ResumeTiming();
mVibrator->off();
}
});
BENCHMARK_WRAPPER(VibratorBench_V1_0, supportsAmplitudeControl, {
for (auto _ : state) {
mVibrator->supportsAmplitudeControl();
}
});
BENCHMARK_WRAPPER(VibratorBench_V1_0, setAmplitude, {
uint8_t amplitude = UINT8_MAX;
if (!mVibrator->supportsAmplitudeControl()) {
return;
}
mVibrator->on(UINT32_MAX);
for (auto _ : state) {
mVibrator->setAmplitude(amplitude);
}
mVibrator->off();
});
using VibratorEffectsBench_V1_0 = VibratorEffectsBench<V1_0::IVibrator, V1_0::Effect>;
BENCHMARK_WRAPPER(VibratorEffectsBench_V1_0, perform,
{ performBench(&state, &V1_0::IVibrator::perform); });
using VibratorEffectsBench_V1_1 =
VibratorEffectsBench<V1_1::IVibrator, V1_1::Effect_1_1, V1_0::Effect>;
BENCHMARK_WRAPPER(VibratorEffectsBench_V1_1, perform_1_1,
{ performBench(&state, &V1_1::IVibrator::perform_1_1); });
using VibratorEffectsBench_V1_2 =
VibratorEffectsBench<V1_2::IVibrator, V1_2::Effect, V1_1::Effect_1_1>;
BENCHMARK_WRAPPER(VibratorEffectsBench_V1_2, perform_1_2,
{ performBench(&state, &V1_2::IVibrator::perform_1_2); });
using VibratorBench_V1_3 = VibratorBench<V1_3::IVibrator>;
BENCHMARK_WRAPPER(VibratorBench_V1_3, supportsExternalControl, {
for (auto _ : state) {
mVibrator->supportsExternalControl();
}
});
BENCHMARK_WRAPPER(VibratorBench_V1_3, setExternalControl, {
bool enable = true;
if (!mVibrator->supportsExternalControl()) {
return;
}
for (auto _ : state) {
state.ResumeTiming();
mVibrator->setExternalControl(enable);
state.PauseTiming();
mVibrator->setExternalControl(false);
}
});
BENCHMARK_WRAPPER(VibratorBench_V1_3, supportsExternalAmplitudeControl, {
if (!mVibrator->supportsExternalControl()) {
return;
}
mVibrator->setExternalControl(true);
for (auto _ : state) {
mVibrator->supportsAmplitudeControl();
}
mVibrator->setExternalControl(false);
});
BENCHMARK_WRAPPER(VibratorBench_V1_3, setExternalAmplitude, {
uint8_t amplitude = UINT8_MAX;
if (!mVibrator->supportsExternalControl()) {
return;
}
mVibrator->setExternalControl(true);
if (!mVibrator->supportsAmplitudeControl()) {
return;
}
for (auto _ : state) {
mVibrator->setAmplitude(amplitude);
}
mVibrator->setExternalControl(false);
});
using VibratorEffectsBench_V1_3 = VibratorEffectsBench<V1_3::IVibrator, V1_3::Effect, V1_2::Effect>;
BENCHMARK_WRAPPER(VibratorEffectsBench_V1_3, perform_1_3,
{ performBench(&state, &V1_3::IVibrator::perform_1_3); });
BENCHMARK_MAIN();