39 lines
1.2 KiB
Protocol Buffer
39 lines
1.2 KiB
Protocol Buffer
// Copyright 2019 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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syntax = "proto2";
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option optimize_for = LITE_RUNTIME;
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option java_package = "org.chromium.components.metrics";
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option java_outer_classname = "TraceLogProtos";
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package metrics;
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// The trace data is collected by Chrome tracing infrastructure to obtain a
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// timeline model of events occurring in all Chrome processes and threads.
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// Chrome uploads data as a serialized perfetto trace message. The proto format
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// is defined in perfetto tracing library in
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// //src/third_party/perfetto/protos/perfetto/trace/trace.proto
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// Wrapper for the uploaded trace data, and parsed trace as stored in the logs.
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// Next ID: 6
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message TraceLog {
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// Client uploads the trace data as a byte buffer.
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optional bytes raw_data = 1;
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reserved 3;
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enum CompressionType {
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COMPRESSION_TYPE_NONE = 0;
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COMPRESSION_TYPE_ZLIB = 1;
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}
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// Some clients compress trace data before upload.
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// If this field has a value other than COMPRESSION_TYPE_NONE, |raw_data|
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// will contain the compressed trace.
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optional CompressionType compression_type = 5
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[default = COMPRESSION_TYPE_NONE];
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}
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