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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 size 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 m from 'mithril';
16
17import {globals} from './globals';
18import {CallsiteInfo} from '../common/flamegraph_util';
19
20interface CpuProfileDetailsPanelAttrs {}
21
22export class CpuProfileDetailsPanel
23  implements m.ClassComponent<CpuProfileDetailsPanelAttrs>
24{
25  view() {
26    const sampleDetails = globals.cpuProfileDetails;
27    const header = m(
28      '.details-panel-heading',
29      m('h2', `CPU Profile Sample Details`),
30    );
31    if (sampleDetails.id === undefined) {
32      return m('.details-panel', header);
33    }
34
35    return m(
36      '.details-panel',
37      header,
38      m('table', this.getStackText(sampleDetails.stack)),
39    );
40  }
41
42  getStackText(stack?: CallsiteInfo[]): m.Vnode[] {
43    if (!stack) return [];
44
45    const result = [];
46    for (let i = stack.length - 1; i >= 0; --i) {
47      result.push(m('tr', m('td', stack[i].name), m('td', stack[i].mapping)));
48    }
49
50    return result;
51  }
52}
53