syntax = "proto2";

package uprobestats.protos;

message UprobestatsConfig {

  // A Task consists of one or more probes that target the same process and are
  // activated and deactivated together.
  message Task {

    // A ProbeConfig defines the spec of a single probe, including which BPF to
    // use and where to place the probe.
    message ProbeConfig {

      // Name of the BPF program and function. E.g.
      // prog_BitmapAllocation_uprobe_bitmap_constructor_heap. Note that this
      // does not include the full BPF program path.
      optional string bpf_name = 1;

      // Path to an executable or a library. E.g.
      // /system/framework/arm64/boot-framework.oat. This is made a repeated
      // paths to allow backup paths to be provided. Sometimes a library may be
      // re-compiled by ART and stored in a different location. uprobestats
      // would try to place the probe on each of the paths in the order
      // specified here until the probe is successfully placed.
      repeated string file_paths = 2;

      // Full method signature. E.g.
      // void android.content.pm.PackageManagerInternal.finishPackageInstall(int, boolean)
      optional string method_signature = 3;

      // Name of the FD that the BPF program writes to. E.g.
      // map_BitmapAllocation_output_buf. Note that this does not include the full file path.
      optional string bpf_map = 4;
    }

    repeated ProbeConfig probe_configs = 1;

    // Name of the process to be probed, e.g. system_server.
    optional string target_process_name = 2;

    // How long the probes should remain active.
    optional int32 duration_seconds = 3;

    message StatsdLoggingConfig {
      optional int64 atom_id = 1;
    }
    optional StatsdLoggingConfig statsd_logging_config = 5;

  }

  repeated Task tasks = 1;
}