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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
syntax = "proto2";
option optimize_for = LITE_RUNTIME;
import "frameworks/native/services/surfaceflinger/layerproto/layers.proto";
package android.surfaceflinger;
/* represents a file full of surface flinger trace entries.
Encoded, it should start with 0x4c 0x59 0x52 0x54 0x52 0x41 0x43 0x45 (.LYRTRACE), such
that they can be easily identified. */
message LayersTraceFileProto {
/* constant; MAGIC_NUMBER = (long) MAGIC_NUMBER_H << 32 | MagicNumber.MAGIC_NUMBER_L
(this is needed because enums have to be 32 bits and there's no nice way to put 64bit
constants into .proto files. */
enum MagicNumber {
INVALID = 0;
MAGIC_NUMBER_L = 0x5452594c; /* LYRT (little-endian ASCII) */
MAGIC_NUMBER_H = 0x45434152; /* RACE (little-endian ASCII) */
}
optional fixed64 magic_number = 1; /* Must be the first field, set to value in MagicNumber */
repeated LayersTraceProto entry = 2;
}
/* one window manager trace entry. */
message LayersTraceProto {
/* required: elapsed realtime in nanos since boot of when this entry was logged */
optional fixed64 elapsed_realtime_nanos = 1;
/* where the trace originated */
optional string where = 2;
optional LayersProto layers = 3;
// Blob for the current HWC information for all layers, reported by dumpsys.
optional string hwc_blob = 4;
/* Includes state sent during composition like visible region and composition type. */
optional bool excludes_composition_state = 5;
/* Number of missed entries since the last entry was recorded. */
optional int32 missed_entries = 6;
}
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