third_party/metrics_proto/trace_log.proto

// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

syntax = "proto2";

option optimize_for = LITE_RUNTIME;

option java_outer_classname = "TraceLogProtos";
option java_package = "org.chromium.components.metrics";

package metrics;

// The trace data is collected by Chrome tracing infrastructure to obtain a
// timeline model of events occurring in all Chrome processes and threads.
// Chrome uploads data as a serialized perfetto trace message. The proto format
// is defined in perfetto tracing library in
// //src/third_party/perfetto/protos/perfetto/trace/trace.proto

// Wrapper for the uploaded trace data, and parsed trace as stored in the logs.
message TraceLog {
  // Client uploads the trace data as a byte buffer.
  optional bytes raw_data = 1;
}