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 21 class 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 37 extern 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 // 43 typedef 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 // 70 PROFILE_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 // 78 extern unsigned collect_cpu_utilization(); 79 extern bool get_booting(); 80 extern bool get_charging(); 81 extern bool get_camera_active(); 82 83 #endif 84
