blob: 5856aef8a26c7d6c71a7c7bc1595fb1e28b378d0 [file] [log] [blame]
// Copyright 2019 The Chromium Authors
// 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_package = "org.chromium.components.metrics";
option java_outer_classname = "TraceLogProtos";
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.
// Next ID: 6
message TraceLog {
// Client uploads the trace data as a byte buffer.
optional bytes raw_data = 1;
reserved 3;
enum CompressionType {
COMPRESSION_TYPE_NONE = 0;
COMPRESSION_TYPE_ZLIB = 1;
}
// Some clients compress trace data before upload.
// If this field has a value other than COMPRESSION_TYPE_NONE, |raw_data|
// will contain the compressed trace.
optional CompressionType compression_type = 5
[default = COMPRESSION_TYPE_NONE];
}