1 2 syntax = "proto2"; 3 4 option java_package = "android.perfprofd"; 5 6 option optimize_for = LITE_RUNTIME; 7 8 package android.perfprofd; 9 10 // The configuration for a profiling session. 11 message ProfilingConfig { 12 // Average number of seconds between perf profile collections (if 13 // set to 100, then over time we want to see a perf profile 14 // collected every 100 seconds). The actual time within the interval 15 // for the collection is chosen randomly. 16 optional uint32 collection_interval_in_s = 1; 17 18 // Use the specified fixed seed for random number generation (unit 19 // testing) 20 optional uint32 use_fixed_seed = 2; 21 22 // Number of times to iterate through main 23 // loop. Value of zero indicates that we should loop forever. 24 optional uint32 main_loop_iterations = 3; 25 26 // Destination directory (where to write profiles). This location 27 // chosen since it is accessible to the uploader service. 28 optional string destination_directory = 4; 29 // Config directory (where to read configs). 30 optional string config_directory = 5; 31 // Full path to 'perf' executable. 32 optional string perf_path = 6; 33 34 // Desired sampling period (passed to perf -c option). Small 35 // sampling periods can perturb the collected profiles, so enforce 36 // min/max. A value of 0 means perf default. sampling_frequency 37 // takes priority. 38 optional uint32 sampling_period = 7; 39 // Desired sampling frequency (passed to perf -f option). A value of 0 40 // means using sampling_period or default. 41 optional uint32 sampling_frequency = 22; 42 // Length of time to collect samples (number of seconds for 'perf 43 // record -a' run). 44 optional uint32 sample_duration_in_s = 8; 45 46 // If this parameter is non-zero it will cause perfprofd to 47 // exit immediately if the build type is not userdebug or eng. 48 // Currently defaults to 1 (true). 49 optional bool only_debug_build = 9; 50 51 // If the "mpdecision" service is running at the point we are ready 52 // to kick off a profiling run, then temporarily disable the service 53 // and hard-wire all cores on prior to the collection run, provided 54 // that the duration of the recording is less than or equal to the value of 55 // 'hardwire_cpus_max_duration'. 56 optional bool hardwire_cpus = 10; 57 optional uint32 hardwire_cpus_max_duration_in_s = 11; 58 59 // Maximum number of unprocessed profiles we can accumulate in the 60 // destination directory. Once we reach this limit, we continue 61 // to collect, but we just overwrite the most recent profile. 62 optional uint32 max_unprocessed_profiles = 12; 63 64 // If set to 1, pass the -g option when invoking 'perf' (requests 65 // stack traces as opposed to flat profile). 66 optional bool stack_profile = 13; 67 68 // Control collection of various additional profile tags 69 optional bool collect_cpu_utilization = 14; 70 optional bool collect_charging_state = 15; 71 optional bool collect_booting = 16; 72 optional bool collect_camera_active = 17; 73 74 // The pid of the process to profile. May be negative, in which case 75 // the whole system will be profiled. 76 optional int32 process = 18; 77 78 // Whether to use a symbolizer on-device. 79 optional bool use_elf_symbolizer = 19; 80 81 // Whether to send the result to dropbox. 82 optional bool send_to_dropbox = 20; 83 84 // If true, use libz to compress the output proto. 85 optional bool compress = 21; 86 }; 87