// Protocol messages for describing the results of benchmarks and unit tests.
syntax = "proto3";

import "google/protobuf/any.proto";

option cc_enable_arenas = true;
option java_outer_classname = "TestLogProtos";
option java_multiple_files = true;
option java_package = "org.tensorflow.util.testlog";

package tensorflow;

message EntryValue {
  oneof kind {
    double double_value = 1;
    string string_value = 2;
  }
};

// Each unit test or benchmark in a test or benchmark run provides
// some set of information.  Here we provide some reasonable keys
// one would expect to see, with optional key/value pairs for things
// we haven't considered.
//
// This BenchmarkEntry should be emitted by each unit test or benchmark
// reporter.
message BenchmarkEntry {
  // The name of the specific benchmark or test
  // (e.g. BM_AdjustContrast_gpu_B_W_H)
  string name = 1;

  // If a benchmark, how many iterations it was run for
  int64 iters = 2;

  // Total cpu time used for all iterations (in seconds)
  double cpu_time = 3;

  // Total wall time used for all iterations (in seconds)
  double wall_time = 4;

  // Throughput (in MB/s)
  double throughput = 5;

  // Generic map from result key to value.
  map<string, EntryValue> extras = 6;
};

message BenchmarkEntries {
  repeated BenchmarkEntry entry = 1;
}

message BuildConfiguration {
  string mode = 1;               // opt, dbg, etc
  repeated string cc_flags = 2;  // CC compiler flags, if known
  repeated string opts = 3;      // Bazel compilation options, if known
};

message CommitId {
  oneof kind {
    int64 changelist = 1;
    string hash = 2;
  }
  // Hash of intermediate change between hash/changelist and what was tested.
  // Not used if the build is from a commit without modifications.
  string snapshot = 3;
};

message CPUInfo {
  int64 num_cores = 1;

  int64 num_cores_allowed = 2;

  // How fast are these cpus?
  double mhz_per_cpu = 3;

  // Additional cpu information. For example,
  // Intel Ivybridge with HyperThreading (24 cores) dL1:32KB dL2:256KB dL3:30MB
  string cpu_info = 4;

  // What kind of cpu scaling is enabled on the host.
  // Examples include "performance", "ondemand", "conservative", "mixed".
  string cpu_governor = 5;

  // Cache sizes (in bytes), e.g. "L2": 262144 (for 256KB)
  map<string, int64> cache_size = 6;
};

message MemoryInfo {
  int64 total = 1;      // Total virtual memory in bytes
  int64 available = 2;  // Immediately available memory in bytes
}

message GPUInfo {
  string model = 1;  // e.g. "Tesla K40c"
  string uuid = 2;   // Final entry in output of "nvidia-smi -L"
  string bus_id = 3;  // e.g. "0000:04:00.0"
};

message PlatformInfo {
  string bits = 1;       // e.g. '64bit'
  string linkage = 2;    // e.g. 'ELF'
  string machine = 3;    // e.g. 'i386'
  string release = 4;    // e.g. '3.13.0-76-generic'
  string system = 5;     // e.g. 'Linux'
  string version = 6;    // e.g. '#120-Ubuntu SMP Mon Jan 18 15:59:10 UTC 2016'
};

message AvailableDeviceInfo {       // Matches DeviceAttributes
  string name = 1;                  // Device name.
  string type = 2;                  // Device type, e.g. 'CPU' or 'GPU'.
  int64 memory_limit = 3;           // Memory capacity in bytes.
  string physical_description = 4;  // The physical description of this device.
};

message MachineConfiguration {
  // Host name of machine that ran the benchmark.
  string hostname = 1;

  // Unique serial number of the machine.
  string serial_identifier = 7;

  // Additional platform information.
  PlatformInfo platform_info = 2;

  // CPU Information.
  CPUInfo cpu_info = 3;

  // Other devices that are attached and relevant (e.g. GPUInfo).
  repeated google.protobuf.Any device_info = 4;

  // Devices accessible to the test (e.g. as given by list_local_devices).
  repeated AvailableDeviceInfo available_device_info = 5;

  MemoryInfo memory_info = 6;
};

// Run-specific items such as arguments to the test / benchmark.
message RunConfiguration {
  repeated string argument = 1;
}

// The output of one benchmark / test run.  Each run contains a list of
// tests or benchmarks, stored as BenchmarkEntry messages.
//
// This message should be emitted by the reporter (which runs the
// test / BM in a subprocess and then reads the emitted BenchmarkEntry messages;
// usually from a serialized json file, finally collecting them along
// with additional information about the test run.
message TestResults {
  // The target of the run, e.g.:
  //  //tensorflow/core:kernels_adjust_contrast_op_benchmark_test
  string target = 1;

  // The list of tests or benchmarks in this run.
  BenchmarkEntries entries = 2;

  // The configuration of the build (compiled opt? with cuda? any copts?)
  BuildConfiguration build_configuration = 3;

  // The commit id (git hash or changelist)
  CommitId commit_id = 4;

  // The time the run started (in seconds of UTC time since Unix epoch)
  int64 start_time = 5;

  // The amount of time the total run took (wall time in seconds)
  double run_time = 6;

  // Machine-specific parameters (Platform and CPU info)
  MachineConfiguration machine_configuration = 7;

  // Run-specific parameters (arguments, etc)
  RunConfiguration run_configuration = 8;

  // Benchmark target identifier.
  string name = 9;
};
