You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
96 lines
3.2 KiB
96 lines
3.2 KiB
4 months ago
|
/*
|
||
|
* 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.
|
||
|
*/
|
||
|
#define LOG_TAG "libpixelpowerstats"
|
||
|
|
||
|
#include "GpuStateResidencyDataProvider.h"
|
||
|
|
||
|
#include <android-base/logging.h>
|
||
|
|
||
|
#include <fstream>
|
||
|
#include <sstream>
|
||
|
|
||
|
namespace android {
|
||
|
namespace hardware {
|
||
|
namespace google {
|
||
|
namespace pixel {
|
||
|
namespace powerstats {
|
||
|
|
||
|
GpuStateResidencyDataProvider::GpuStateResidencyDataProvider(uint32_t id)
|
||
|
: mPowerEntityId(id), mActiveId(0) /* (TODO (b/117228832): enable this) , mSuspendId(1) */ {}
|
||
|
|
||
|
bool GpuStateResidencyDataProvider::getTotalTime(const std::string &path, uint64_t &totalTimeMs) {
|
||
|
std::ifstream inFile(path, std::ifstream::in);
|
||
|
if (!inFile.is_open()) {
|
||
|
PLOG(ERROR) << __func__ << ":Failed to open file " << path;
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
std::string line;
|
||
|
std::getline(inFile, line);
|
||
|
std::istringstream lineStream(line, std::istringstream::in);
|
||
|
|
||
|
totalTimeMs = 0;
|
||
|
uint64_t curTimeMs = 0;
|
||
|
while (lineStream >> curTimeMs) {
|
||
|
totalTimeMs += curTimeMs;
|
||
|
}
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
bool GpuStateResidencyDataProvider::getResults(
|
||
|
std::unordered_map<uint32_t, PowerEntityStateResidencyResult> &results) {
|
||
|
uint64_t totalActiveTimeUs = 0;
|
||
|
if (!getTotalTime("/sys/class/kgsl/kgsl-3d0/gpu_clock_stats", totalActiveTimeUs)) {
|
||
|
LOG(ERROR) << __func__ << "Failed to get results for GPU:Active";
|
||
|
return false;
|
||
|
}
|
||
|
|
||
|
/* (TODO (b/117228832): enable this)
|
||
|
uint64_t totalSuspendTimeMs = 0;
|
||
|
if (!getTotalTime("/sys/class/kgsl/kgsl-3d0/devfreq/suspend_time", totalSuspendTimeMs)) {
|
||
|
LOG(ERROR) << __func__ << "Failed to get results for GPU:Suspend";
|
||
|
return false;
|
||
|
}
|
||
|
*/
|
||
|
|
||
|
PowerEntityStateResidencyResult result = {
|
||
|
.powerEntityId = mPowerEntityId,
|
||
|
.stateResidencyData = {
|
||
|
{.powerEntityStateId = mActiveId, .totalTimeInStateMs = totalActiveTimeUs / 1000},
|
||
|
/* (TODO (b/117228832): enable this)
|
||
|
{.powerEntityStateId = mSuspendId, .totalTimeInStateMs = totalSuspendTimeMs},
|
||
|
*/
|
||
|
}};
|
||
|
|
||
|
results.emplace(std::make_pair(mPowerEntityId, result));
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
std::vector<PowerEntityStateSpace> GpuStateResidencyDataProvider::getStateSpaces() {
|
||
|
return {{.powerEntityId = mPowerEntityId,
|
||
|
.states = {
|
||
|
{.powerEntityStateId = mActiveId, .powerEntityStateName = "Active"},
|
||
|
/* (TODO (b/117228832): enable this)
|
||
|
{.powerEntityStateId = mSuspendId, .powerEntityStateName = "Suspend"}
|
||
|
*/
|
||
|
}}};
|
||
|
}
|
||
|
|
||
|
} // namespace powerstats
|
||
|
} // namespace pixel
|
||
|
} // namespace google
|
||
|
} // namespace hardware
|
||
|
} // namespace android
|