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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";
package android.uirenderer.protos;
option optimize_for = LITE_RUNTIME;
// frameworks/base/core/proto/android/service/graphicsstats.proto is based on
// this proto. Please only make valid protobuf changes to these messages, and
// keep the other file in sync with this one.
message GraphicsStatsServiceDumpProto {
repeated GraphicsStatsProto stats = 1;
}
message GraphicsStatsProto {
// The package name of the app
optional string package_name = 1;
// The version code of the app
optional int64 version_code = 2;
// The start & end timestamps in UTC as
// milliseconds since January 1, 1970
// Compatible with java.util.Date#setTime()
optional int64 stats_start = 3;
optional int64 stats_end = 4;
// The aggregated statistics for the package
optional GraphicsStatsJankSummaryProto summary = 5;
// The frame time histogram for the package
repeated GraphicsStatsHistogramBucketProto histogram = 6;
}
message GraphicsStatsJankSummaryProto {
// Distinct frame count.
optional int32 total_frames = 1;
// Number of frames with slow render time. Frames are considered janky if
// they took more than a vsync interval (typically 16.667ms) to be rendered.
optional int32 janky_frames = 2;
// Number of "missed vsync" events.
optional int32 missed_vsync_count = 3;
// Number of frames in triple-buffering scenario (high input latency)
optional int32 high_input_latency_count = 4;
// Number of "slow UI thread" events.
optional int32 slow_ui_thread_count = 5;
// Number of "slow bitmap upload" events.
optional int32 slow_bitmap_upload_count = 6;
// Number of "slow draw" events.
optional int32 slow_draw_count = 7;
// Number of frames that missed their deadline (aka, visibly janked)
optional int32 missed_deadline_count = 8;
}
message GraphicsStatsHistogramBucketProto {
// Lower bound of render time in milliseconds.
optional int32 render_millis = 1;
// Number of frames in the bucket.
optional int32 frame_count = 2;
}
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