1 /* 2 * Copyright (C) 2018 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 #pragma once 18 19 #include <unordered_map> 20 #include <vector> 21 22 namespace android { 23 namespace bpf { 24 25 bool isTrackingUidTimesSupported(); 26 bool startTrackingUidTimes(); 27 std::optional<std::vector<std::vector<uint64_t>>> getTotalCpuFreqTimes(); 28 std::optional<std::vector<std::vector<uint64_t>>> getUidCpuFreqTimes(uint32_t uid); 29 std::optional<std::unordered_map<uint32_t, std::vector<std::vector<uint64_t>>>> 30 getUidsCpuFreqTimes(); 31 std::optional<std::unordered_map<uint32_t, std::vector<std::vector<uint64_t>>>> 32 getUidsUpdatedCpuFreqTimes(uint64_t *lastUpdate); 33 std::optional<std::vector<std::vector<uint32_t>>> getCpuFreqs(); 34 35 struct concurrent_time_t { 36 std::vector<uint64_t> active; 37 std::vector<std::vector<uint64_t>> policy; 38 }; 39 40 std::optional<concurrent_time_t> getUidConcurrentTimes(uint32_t uid, bool retry = true); 41 std::optional<std::unordered_map<uint32_t, concurrent_time_t>> getUidsConcurrentTimes(); 42 std::optional<std::unordered_map<uint32_t, concurrent_time_t>> 43 getUidsUpdatedConcurrentTimes(uint64_t *lastUpdate); 44 bool clearUidTimes(unsigned int uid); 45 46 bool startTrackingProcessCpuTimes(pid_t pid); 47 bool startAggregatingTaskCpuTimes(pid_t pid, uint16_t aggregationKey); 48 std::optional<std::unordered_map<uint16_t, std::vector<std::vector<uint64_t>>>> 49 getAggregatedTaskCpuFreqTimes(pid_t pid, const std::vector<uint16_t> &aggregationKeys); 50 51 } // namespace bpf 52 } // namespace android 53