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1/*
2 * Copyright (C) 2021 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17syntax = "proto2";
18
19package perfetto.protos;
20
21import "protos/perfetto/metrics/custom_options.proto";
22
23message ScrollJank {
24  // The percentage of time we consider janky of the total time spent scrolling
25  // during the trace. I.E. approximately equal to |scroll_jank_ms|/|scroll_ms|.
26  optional double scroll_jank_percentage = 1 [(unit) = "n%_smallerIsBetter"];
27  optional double scroll_ms = 2 [(unit) = "ms_biggerIsBetter"];
28  optional double scroll_processing_ms = 3 [(unit) = "ms_biggerIsBetter"];
29  optional double scroll_jank_processing_ms = 4 [(unit) = "ms_smallerIsBetter"];
30  optional int64 num_scroll_update_count = 5 [(unit) = "count_biggerIsBetter"];
31  optional int64 num_scroll_update_jank_count = 6
32      [(unit) = "count_smallerIsBetter"];
33}
34