8ac355cf49
Adapted from PoC from ag/13100800
Added more ATRACE for further tuning and debug
Test: APPPID=$(adb shell pidof com.prefabulated.touchlatency); watch -n
1 adb shell grep uclamp /proc/${APPPID}/sched
Test: atest VtsHalPowerTargetTest
Bug: 177492680
Change-Id: I6bfd61b21dc1cde04f6ba9ae8d3533cd263ad814
Signed-off-by: Wei Wang <wvw@google.com>
77 lines
2.8 KiB
C++
77 lines
2.8 KiB
C++
/*
|
|
* 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 "powerhal-libperfmgr"
|
|
|
|
#include <thread>
|
|
|
|
#include <android-base/logging.h>
|
|
#include <android-base/properties.h>
|
|
#include <android/binder_manager.h>
|
|
#include <android/binder_process.h>
|
|
|
|
#include "Power.h"
|
|
#include "PowerExt.h"
|
|
|
|
using aidl::google::hardware::power::impl::pixel::Power;
|
|
using aidl::google::hardware::power::impl::pixel::PowerExt;
|
|
using ::android::perfmgr::HintManager;
|
|
|
|
constexpr std::string_view kPowerHalInitProp("vendor.powerhal.init");
|
|
constexpr std::string_view kConfigProperty("vendor.powerhal.config");
|
|
constexpr std::string_view kConfigDefaultFileName("powerhint.json");
|
|
|
|
int main() {
|
|
const std::string config_path =
|
|
"/vendor/etc/" +
|
|
android::base::GetProperty(kConfigProperty.data(), kConfigDefaultFileName.data());
|
|
LOG(INFO) << "Power HAL AIDL Service for moto_sm6375 with Extension is starting with config: "
|
|
<< config_path;
|
|
|
|
// Parse config but do not start the looper
|
|
std::shared_ptr<HintManager> hm = HintManager::GetFromJSON(config_path, false);
|
|
if (!hm) {
|
|
LOG(FATAL) << "Invalid config: " << config_path;
|
|
}
|
|
|
|
// single thread
|
|
ABinderProcess_setThreadPoolMaxThreadCount(0);
|
|
|
|
// core service
|
|
std::shared_ptr<Power> pw = ndk::SharedRefBase::make<Power>(hm);
|
|
ndk::SpAIBinder pwBinder = pw->asBinder();
|
|
|
|
// extension service
|
|
std::shared_ptr<PowerExt> pwExt = ndk::SharedRefBase::make<PowerExt>(hm);
|
|
|
|
// attach the extension to the same binder we will be registering
|
|
CHECK(STATUS_OK == AIBinder_setExtension(pwBinder.get(), pwExt->asBinder().get()));
|
|
|
|
const std::string instance = std::string() + Power::descriptor + "/default";
|
|
binder_status_t status = AServiceManager_addService(pw->asBinder().get(), instance.c_str());
|
|
CHECK(status == STATUS_OK);
|
|
LOG(INFO) << "Power HAL AIDL Service for moto_sm6375 is started.";
|
|
|
|
std::thread initThread([&]() {
|
|
::android::base::WaitForProperty(kPowerHalInitProp.data(), "1");
|
|
hm->Start();
|
|
});
|
|
initThread.detach();
|
|
|
|
ABinderProcess_joinThreadPool();
|
|
LOG(ERROR) << "Power HAL AIDL Service for moto_sm6375 with Extension just died.";
|
|
return EXIT_FAILURE; // should not reach
|
|
}
|