97 lines
3.6 KiB
C++
97 lines
3.6 KiB
C++
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#define LOG_TAG "libpixelpowerstats"
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#include "IaxxxStateResidencyDataProvider.h"
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#include <android-base/logging.h>
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#include <android-base/unique_fd.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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#include <utility>
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#include <linux/mfd/adnc/iaxxx-module.h>
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namespace android {
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namespace hardware {
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namespace google {
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namespace pixel {
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namespace powerstats {
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IaxxxStateResidencyDataProvider::IaxxxStateResidencyDataProvider(uint32_t id)
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: mPath("/dev/iaxxx-module-celldrv"), mPowerEntityId(id) {}
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bool IaxxxStateResidencyDataProvider::getResults(
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std::unordered_map<uint32_t, PowerEntityStateResidencyResult> &results) {
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android::base::unique_fd devNode(open(mPath.c_str(), O_RDWR));
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if (devNode.get() < 0) {
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PLOG(ERROR) << __func__ << ":Failed to open file " << mPath;
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return false;
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}
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struct iaxxx_pwr_stats pwrStatsCount;
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int err = ioctl(devNode.get(), IAXXX_POWER_STATS_COUNT, &pwrStatsCount);
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if (err != 0) {
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PLOG(ERROR) << __func__ << "Failed to retrieve stats from " << mPath;
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return false;
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}
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PowerEntityStateResidencyResult result = {.powerEntityId = mPowerEntityId};
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hidl_vec<PowerEntityStateResidencyData> stateResidencyData;
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stateResidencyData.resize(NUM_MPLL_CLK_FREQ + 1); // Each of the MPLL frequencies and sleep
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// Populate stats for each MPLL frequency
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for (uint32_t stateId = MPLL_CLK_3000; stateId != NUM_MPLL_CLK_FREQ; stateId++) {
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stateResidencyData[stateId] = PowerEntityStateResidencyData{
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.powerEntityStateId = stateId,
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.totalTimeInStateMs = pwrStatsCount.mpllCumulativeDur[stateId],
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.totalStateEntryCount = pwrStatsCount.mpll_cumulative_cnts[stateId],
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.lastEntryTimestampMs = pwrStatsCount.mpllTimeStamp[stateId]};
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}
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// Populate stats for Sleep mode
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stateResidencyData[NUM_MPLL_CLK_FREQ] = PowerEntityStateResidencyData{
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.powerEntityStateId = NUM_MPLL_CLK_FREQ,
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.totalTimeInStateMs = pwrStatsCount.sleepModeCumulativeDur,
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.totalStateEntryCount = 0, // Sleep entry count is not available
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.lastEntryTimestampMs = pwrStatsCount.sleepModeTimeStamp};
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result.stateResidencyData = stateResidencyData;
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results.insert(std::make_pair(mPowerEntityId, result));
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return true;
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}
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std::vector<PowerEntityStateSpace> IaxxxStateResidencyDataProvider::getStateSpaces() {
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std::vector<PowerEntityStateSpace> stateSpace = {{.powerEntityId = mPowerEntityId}};
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hidl_vec<PowerEntityStateInfo> states;
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states.resize(NUM_MPLL_CLK_FREQ + 1); // Each of the MPLL frequencies and sleep
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for (uint32_t stateId = MPLL_CLK_3000; stateId <= NUM_MPLL_CLK_FREQ; stateId++) {
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states[stateId] = PowerEntityStateInfo{
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.powerEntityStateId = stateId,
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.powerEntityStateName = static_cast<std::string>(mStateNames[stateId])};
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}
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stateSpace[0].states = states;
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return stateSpace;
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}
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} // namespace powerstats
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} // namespace pixel
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} // namespace google
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} // namespace hardware
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} // namespace android
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