1// Copyright (C) 2018 The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//      http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15export const CPU_SLICE_TRACK_KIND = 'CpuSliceTrack';
16
17export interface SummaryData {
18  kind: 'summary';
19
20  start: number;
21  end: number;
22  resolution: number;
23
24  bucketSizeSeconds: number;
25  utilizations: Float64Array;
26}
27
28export interface SliceData {
29  kind: 'slice';
30
31  start: number;
32  end: number;
33  resolution: number;
34
35  // Slices are stored in a columnar fashion. All fields have the same length.
36  ids: Float64Array;
37  starts: Float64Array;
38  ends: Float64Array;
39  utids: Uint32Array;
40}
41
42export type Data = SummaryData | SliceData;
43
44
45export interface Config { cpu: number; }
46