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// Copyright (C) 2024 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import {NUM} from '../../trace_processor/query_result';
import {Trace} from '../../public/trace';
import {PerfettoPlugin} from '../../public/plugin';
// List of tracks to pin
const TRACKS_TO_PIN: string[] = [
'Actual Timeline',
'Expected Timeline',
'ndroid.systemui',
'IKeyguardService',
'Transition:',
'L<',
'UI Events',
];
const SYSTEM_UI_PROCESS: string = 'com.android.systemui';
// Plugin that pins the tracks relevant to System UI
export default class implements PerfettoPlugin {
static readonly id = 'dev.perfetto.PinSysUITracks';
async onTraceLoad(ctx: Trace): Promise<void> {
// Find the upid for the sysui process
const result = await ctx.engine.query(`
INCLUDE PERFETTO MODULE android.process_metadata;
select
_process_available_info_summary.upid
from _process_available_info_summary
join process using(upid)
where process.name = 'com.android.systemui';
`);
if (result.numRows() === 0) {
return;
}
const sysuiUpid = result.firstRow({
upid: NUM,
}).upid;
ctx.commands.registerCommand({
id: 'dev.perfetto.PinSysUITracks#PinSysUITracks',
name: 'Pin: System UI Related Tracks',
callback: () => {
ctx.workspace.flatTracks.forEach((track) => {
if (!track.uri) return;
// Ensure we only grab tracks that are in the SysUI process group
if (!track.uri.startsWith(`/process_${sysuiUpid}`)) return;
if (
!TRACKS_TO_PIN.some((trackName) =>
track.title.startsWith(trackName),
)
) {
return;
}
track.pin();
});
// expand the sysui process tracks group
ctx.workspace.flatTracks.forEach((track) => {
if (track.hasChildren && track.title.startsWith(SYSTEM_UI_PROCESS)) {
track.expand();
}
});
},
});
}
}