syntax = "proto2";

option java_package = "android.perfprofd";

option optimize_for = LITE_RUNTIME;

package android.perfprofd;

// The configuration for a profiling session.
message ProfilingConfig {
  // Average number of seconds between perf profile collections (if
  // set to 100, then over time we want to see a perf profile
  // collected every 100 seconds). The actual time within the interval
  // for the collection is chosen randomly.
  optional uint32 collection_interval_in_s = 1;

  // Use the specified fixed seed for random number generation (unit
  // testing)
  optional uint32 use_fixed_seed = 2;

  // Number of times to iterate through main
  // loop. Value of zero indicates that we should loop forever.
  optional uint32 main_loop_iterations = 3;

  // Destination directory (where to write profiles). This location
  // chosen since it is accessible to the uploader service.
  optional string destination_directory = 4;
  // Config directory (where to read configs).
  optional string config_directory = 5;
  // Full path to 'perf' executable.
  optional string perf_path = 6;

  // Desired sampling period (passed to perf -c option). Small
  // sampling periods can perturb the collected profiles, so enforce
  // min/max.
  optional uint32 sampling_period = 7;
  // Length of time to collect samples (number of seconds for 'perf
  // record -a' run).
  optional uint32 sample_duration_in_s = 8;

  // If this parameter is non-zero it will cause perfprofd to
  // exit immediately if the build type is not userdebug or eng.
  // Currently defaults to 1 (true).
  optional bool only_debug_build = 9;

  // If the "mpdecision" service is running at the point we are ready
  // to kick off a profiling run, then temporarily disable the service
  // and hard-wire all cores on prior to the collection run, provided
  // that the duration of the recording is less than or equal to the value of
  // 'hardwire_cpus_max_duration'.
  optional bool hardwire_cpus = 10;
  optional uint32 hardwire_cpus_max_duration_in_s = 11;

  // Maximum number of unprocessed profiles we can accumulate in the
  // destination directory. Once we reach this limit, we continue
  // to collect, but we just overwrite the most recent profile.
  optional uint32 max_unprocessed_profiles = 12;

  // If set to 1, pass the -g option when invoking 'perf' (requests
  // stack traces as opposed to flat profile).
  optional bool stack_profile = 13;

  // Control collection of various additional profile tags
  optional bool collect_cpu_utilization = 14;
  optional bool collect_charging_state = 15;
  optional bool collect_booting = 16;
  optional bool collect_camera_active = 17;

  // The pid of the process to profile. May be negative, in which case
  // the whole system will be profiled.
  optional int32 process = 18;

  // Whether to use a symbolizer on-device.
  optional bool use_elf_symbolizer = 19;

  // Whether to send the result to dropbox.
  optional bool send_to_dropbox = 20;

  // If true, use libz to compress the output proto.
  optional bool compress = 21;
};