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Diffstat (limited to 'chromium/components/tracing/proto/event.proto')
-rw-r--r-- | chromium/components/tracing/proto/event.proto | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/chromium/components/tracing/proto/event.proto b/chromium/components/tracing/proto/event.proto new file mode 100644 index 00000000000..24bb7ad93ce --- /dev/null +++ b/chromium/components/tracing/proto/event.proto @@ -0,0 +1,35 @@ +// Copyright 2016 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; + +package tracing.proto; + +// Note on field numbers: fields in the range [1, 15] can be encoded using a +// single byte preamble. Hence they should be used only for the most commonly +// used fields (to save trace size). Use the range 16+ for fields that are not +// expected to be used frequently. +message Event { + // Using ASCII codes as enum values, according to the legacy phase arguments + // ("ph") of the Trace Event Format doc (https://goo.gl/mSXylN). + enum EventType { + METADATA = 77; // = 'M'. + COMPLETE = 88; // = 'X'. + }; + + optional EventType type = 1; + + oneof name { + int64 name_id = 2; + string name_str = 16; + } + + optional int64 category_id = 4; + + optional uint64 timestamp = 5; + optional uint64 thread_timestamp = 6; + + // TODO(primiano,kraynov): Add args and further fields in next CLs. +} |