1 /* 2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include <psh_utils/PowerClientStats.h> 18 #include <mediautils/ServiceUtilities.h> 19 20 namespace android::media::psh_utils { 21 22 /* static */ getCommandThread()23audio_utils::CommandThread& PowerClientStats::getCommandThread() { 24 [[clang::no_destroy]] static audio_utils::CommandThread ct; 25 return ct; 26 } 27 PowerClientStats(uid_t uid,const std::string & additional)28PowerClientStats::PowerClientStats(uid_t uid, const std::string& additional) 29 : mUid(uid), mAdditional(additional) {} 30 start(int64_t actualNs)31void PowerClientStats::start(int64_t actualNs) { 32 std::lock_guard l(mMutex); 33 ++mTokenCount; 34 if (mStartNs == 0) mStartNs = actualNs; 35 if (mStartStats) return; 36 mStartStats = PowerStatsCollector::getCollector().getStats(kStatTimeToleranceNs); 37 } 38 stop(int64_t actualNs)39void PowerClientStats::stop(int64_t actualNs) { 40 std::lock_guard l(mMutex); 41 if (--mTokenCount > 0) return; 42 if (mStartNs != 0) mCumulativeNs += actualNs - mStartNs; 43 mStartNs = 0; 44 if (!mStartStats) return; 45 const auto stopStats = PowerStatsCollector::getCollector().getStats(kStatTimeToleranceNs); 46 if (stopStats && stopStats != mStartStats) { 47 *mCumulativeStats += *stopStats - *mStartStats; 48 } 49 mStartStats.reset(); 50 } 51 addPid(pid_t pid)52void PowerClientStats::addPid(pid_t pid) { 53 std::lock_guard l(mMutex); 54 mPids.emplace(pid); 55 } 56 removePid(pid_t pid)57size_t PowerClientStats::removePid(pid_t pid) { 58 std::lock_guard l(mMutex); 59 mPids.erase(pid); 60 return mPids.size(); 61 } 62 toString(bool stats,const std::string & prefix) const63std::string PowerClientStats::toString(bool stats, const std::string& prefix) const { 64 std::lock_guard l(mMutex); 65 66 // Adjust delta time and stats if currently running. 67 auto cumulativeStats = mCumulativeStats; 68 auto cumulativeNs = mCumulativeNs; 69 if (mStartNs) cumulativeNs += systemTime(SYSTEM_TIME_BOOTTIME) - mStartNs; 70 if (mStartStats) { 71 const auto stopStats = PowerStatsCollector::getCollector().getStats(kStatTimeToleranceNs); 72 if (stopStats && stopStats != mStartStats) { 73 auto newStats = std::make_shared<PowerStats>(*cumulativeStats); 74 *newStats += *stopStats - *mStartStats; 75 cumulativeStats = newStats; 76 } 77 } 78 79 std::string result(prefix); 80 result.append("uid: ") 81 .append(std::to_string(mUid)) 82 .append(" ").append(mediautils::UidInfo::getInfo(mUid)->package) 83 .append(" streams: ").append(std::to_string(mTokenCount)) 84 .append(" seconds: ").append(std::to_string(cumulativeNs * 1e-9)); 85 result.append(" {"); 86 for (auto pid : mPids) { 87 result.append(" ").append(std::to_string(pid)); 88 } 89 result.append(" }"); 90 if (!mAdditional.empty()) { 91 result.append("\n").append(prefix).append(mAdditional); 92 } 93 if (stats) { 94 std::string prefix2(prefix); 95 prefix2.append(" "); 96 result.append("\n").append(cumulativeStats->normalizedEnergy(prefix2)); 97 } 98 return result; 99 } 100 101 } // namespace android::media::psh_utils 102