1/* 2** 3** Copyright 2015, The Android Open Source Project 4** 5** Licensed under the Apache License, Version 2.0 (the "License"); 6** you may not use this file except in compliance with the License. 7** You may obtain a copy of the License at 8** 9** http://www.apache.org/licenses/LICENSE-2.0 10** 11** Unless required by applicable law or agreed to in writing, software 12** distributed under the License is distributed on an "AS IS" BASIS, 13** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14** See the License for the specific language governing permissions and 15** limitations under the License. 16*/ 17 18#ifndef SYSTEM_EXTRAS_PERFPROFD_PERFPROFDCORE_H_ 19#define SYSTEM_EXTRAS_PERFPROFD_PERFPROFDCORE_H_ 20 21class ConfigReader; 22 23// Semaphore file that indicates that the user is opting in 24#define SEMAPHORE_FILENAME "perf_profile_collection_enabled.txt" 25 26// File containing a list of sequence numbers corresponding to profiles 27// that have been processed/uploaded. Written by the GmsCore uploader, 28// within the GmsCore files directory. 29#define PROCESSED_FILENAME "perfprofd_processed.txt" 30 31// File containing a list of sequence numbers corresponding to profiles 32// that have been created by the perfprofd but not yet uploaded. Written 33// by perfprofd within the destination directory; consumed by GmsCore. 34#define PRODUCED_FILENAME "perfprofd_produced.txt" 35 36// Main routine for perfprofd daemon 37extern int perfprofd_main(int argc, char **argv); 38 39// 40// This enumeration holds the results of what happened when on an 41// attempted perf profiling run. 42// 43typedef enum { 44 45 // Success 46 OK_PROFILE_COLLECTION, 47 48 // Fork system call failed (lo mem?) 49 ERR_FORK_FAILED, 50 51 // Perf ran but crashed or returned a bad exit status 52 ERR_PERF_RECORD_FAILED, 53 54 // The perf.data encoding process failed somehow 55 ERR_PERF_ENCODE_FAILED, 56 57 // We tried to open the output file perf.data.encoded but the open failed 58 ERR_OPEN_ENCODED_FILE_FAILED, 59 60 // Error while writing perf.data.encoded 61 ERR_WRITE_ENCODED_FILE_FAILED 62} PROFILE_RESULT; 63 64// 65// Given a full path to a perf.data file specified by "data_file_path", 66// read/summarize/encode the contents into a new file specified 67// by "encoded_file_path". Return status indicates whether the operation 68// was successful (either OK_PROFILE_COLLECTION or an error of some sort). 69// 70PROFILE_RESULT encode_to_proto(const std::string &data_file_path, 71 const char *encoded_file_path, 72 const ConfigReader &config, 73 unsigned cpu_utilization); 74 75// 76// Exposed for unit testing 77// 78extern unsigned collect_cpu_utilization(); 79extern bool get_booting(); 80extern bool get_charging(); 81extern bool get_camera_active(); 82 83#endif 84