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1// Copyright (C) 2020 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
15import {ColumnDef} from '../../common/aggregation_data';
16import {Engine} from '../../common/engine';
17import {Area, Sorting} from '../../common/state';
18import {globals} from '../../frontend/globals';
19import {Config, CPU_SLICE_TRACK_KIND} from '../../tracks/cpu_slices';
20
21import {AggregationController} from './aggregation_controller';
22
23
24export class CpuAggregationController extends AggregationController {
25  async createAggregateView(engine: Engine, area: Area) {
26    await engine.query(`drop view if exists ${this.kind};`);
27
28    const selectedCpus = [];
29    for (const trackId of area.tracks) {
30      const track = globals.state.tracks[trackId];
31      // Track will be undefined for track groups.
32      if (track !== undefined && track.kind === CPU_SLICE_TRACK_KIND) {
33        selectedCpus.push((track.config as Config).cpu);
34      }
35    }
36    if (selectedCpus.length === 0) return false;
37
38    const query = `create view ${this.kind} as
39        SELECT process.name as process_name, pid, thread.name as thread_name,
40        tid, sum(dur) AS total_dur,
41        sum(dur)/count(1) as avg_dur,
42        count(1) as occurrences
43        FROM process
44        JOIN thread USING(upid)
45        JOIN thread_state USING(utid)
46        WHERE cpu IN (${selectedCpus}) AND
47        state = "Running" AND
48        thread_state.ts + thread_state.dur > ${area.start} AND
49        thread_state.ts < ${area.end} group by utid`;
50
51    await engine.query(query);
52    return true;
53  }
54
55  getTabName() {
56    return 'CPU by thread';
57  }
58
59  async getExtra() {}
60
61  getDefaultSorting(): Sorting {
62    return {column: 'total_dur', direction: 'DESC'};
63  }
64
65  getColumnDefinitions(): ColumnDef[] {
66    return [
67      {
68        title: 'Process',
69        kind: 'STRING',
70        columnConstructor: Uint16Array,
71        columnId: 'process_name',
72      },
73      {
74        title: 'PID',
75        kind: 'NUMBER',
76        columnConstructor: Uint16Array,
77        columnId: 'pid',
78      },
79      {
80        title: 'Thread',
81        kind: 'STRING',
82        columnConstructor: Uint16Array,
83        columnId: 'thread_name',
84      },
85      {
86        title: 'TID',
87        kind: 'NUMBER',
88        columnConstructor: Uint16Array,
89        columnId: 'tid',
90      },
91      {
92        title: 'Wall duration (ms)',
93        kind: 'TIMESTAMP_NS',
94        columnConstructor: Float64Array,
95        columnId: 'total_dur',
96        sum: true,
97      },
98      {
99        title: 'Avg Wall duration (ms)',
100        kind: 'TIMESTAMP_NS',
101        columnConstructor: Float64Array,
102        columnId: 'avg_dur',
103      },
104      {
105        title: 'Occurrences',
106        kind: 'NUMBER',
107        columnConstructor: Uint16Array,
108        columnId: 'occurrences',
109        sum: true,
110      },
111    ];
112  }
113}
114