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1// Copyright (C) 2023 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 {
16  LONG,
17  NUM,
18  NUM_NULL,
19  STR,
20  STR_NULL,
21} from '../../trace_processor/query_result';
22import {Trace} from '../../public/trace';
23import {PerfettoPlugin} from '../../public/plugin';
24import {TrackNode} from '../../public/workspace';
25import {DatasetSliceTrack} from '../../components/tracks/dataset_slice_track';
26import {SourceDataset} from '../../trace_processor/dataset';
27import {ThreadSliceDetailsPanel} from '../../components/details/thread_slice_details_tab';
28
29export default class implements PerfettoPlugin {
30  static readonly id = 'dev.perfetto.GpuByProcess';
31  async onTraceLoad(ctx: Trace): Promise<void> {
32    // Find all unique upid values in gpu_slices and join with process table.
33    const results = await ctx.engine.query(`
34      WITH slice_upids AS (
35        SELECT DISTINCT upid FROM gpu_slice
36      )
37      SELECT upid, pid, name FROM slice_upids JOIN process USING (upid)
38    `);
39
40    const it = results.iter({
41      upid: NUM_NULL,
42      pid: NUM_NULL,
43      name: STR_NULL,
44    });
45
46    // For each upid, create a GpuPidTrack.
47    for (; it.valid(); it.next()) {
48      if (it.upid == null) {
49        continue;
50      }
51
52      const upid = it.upid;
53      let processName = 'Unknown';
54      if (it.name != null) {
55        processName = it.name;
56      } else if (it.pid != null) {
57        processName = `${it.pid}`;
58      }
59
60      const uri = `dev.perfetto.GpuByProcess#${upid}`;
61      const title = `GPU ${processName}`;
62      ctx.tracks.registerTrack({
63        uri,
64        title,
65        track: new DatasetSliceTrack({
66          trace: ctx,
67          uri,
68          dataset: new SourceDataset({
69            src: 'gpu_slice',
70            schema: {
71              id: NUM,
72              name: STR,
73              ts: LONG,
74              dur: LONG,
75              depth: NUM,
76              upid: NUM,
77            },
78            filter: {
79              col: 'upid',
80              eq: upid,
81            },
82          }),
83          detailsPanel: () => new ThreadSliceDetailsPanel(ctx),
84        }),
85      });
86      const track = new TrackNode({uri, title});
87      ctx.workspace.addChildInOrder(track);
88    }
89  }
90}
91