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// Copyright (C) 2022 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 {AddTrackArgs} from '../../common/actions';
import {Engine} from '../../common/engine';
import {featureFlags} from '../../common/feature_flags';
import {
PluginContext,
} from '../../common/plugin_api';
import {addLatencyTracks, EventLatencyTrack} from './event_latency_track';
import {TopLevelScrollTrack} from './scroll_track';
import {addTopLevelJankTrack, TopLevelJankTrack} from './top_level_jank_track';
import {
addJankyLatenciesTrack,
TopLevelEventLatencyTrack,
} from './top_level_janky_event_latencies_track';
import {ChromeTasksScrollJankTrack} from './chrome_tasks_scroll_jank_track';
export {Data} from '../chrome_slices';
export const ENABLE_CHROME_SCROLL_JANK_PLUGIN = featureFlags.register({
id: 'enableChromeScrollJankPlugin',
name: 'Enable Chrome Scroll Jank plugin',
description: 'Adds new tracks for scroll jank in Chrome',
defaultValue: false,
});
export const INPUT_LATENCY_TRACK = 'InputLatency::';
export const ENABLE_SCROLL_JANK_PLUGIN_V2 = featureFlags.register({
id: 'enableScrollJankPluginV2',
name: 'Enable Scroll Jank plugin V2',
description: 'Adds new tracks and visualizations for scroll jank.',
defaultValue: false,
});
export type ScrollJankTracks = {
tracksToAdd: AddTrackArgs[],
};
export async function getScrollJankTracks(engine: Engine):
Promise<ScrollJankTracks> {
const result: ScrollJankTracks = {
tracksToAdd: [],
};
const topLevelJanks = addTopLevelJankTrack(engine);
const topLevelJanksResult = await topLevelJanks;
let originalLength = result.tracksToAdd.length;
result.tracksToAdd.length += topLevelJanksResult.tracksToAdd.length;
for (let i = 0; i < topLevelJanksResult.tracksToAdd.length; ++i) {
result.tracksToAdd[i + originalLength] = topLevelJanksResult.tracksToAdd[i];
}
// TODO(b/278844325): Top Level event latency summary is already rendered in
// the TopLevelJankTrack; this track should be rendered at a more
// intuitive location when the descendant slices are rendered.
originalLength = result.tracksToAdd.length;
const jankyEventLatencies = addJankyLatenciesTrack(engine);
const jankyEventLatencyResult = await jankyEventLatencies;
result.tracksToAdd.length += jankyEventLatencyResult.tracksToAdd.length;
for (let i = 0; i < jankyEventLatencyResult.tracksToAdd.length; ++i) {
result.tracksToAdd[i + originalLength] =
jankyEventLatencyResult.tracksToAdd[i];
}
originalLength = result.tracksToAdd.length;
const eventLatencies = addLatencyTracks(engine);
const eventLatencyResult = await eventLatencies;
result.tracksToAdd.length += eventLatencyResult.tracksToAdd.length;
for (let i = 0; i < eventLatencyResult.tracksToAdd.length; ++i) {
result.tracksToAdd[i + originalLength] = eventLatencyResult.tracksToAdd[i];
}
return result;
}
function activate(ctx: PluginContext) {
ctx.registerTrack(ChromeTasksScrollJankTrack);
ctx.registerTrack(TopLevelJankTrack);
ctx.registerTrack(TopLevelScrollTrack);
ctx.registerTrack(TopLevelEventLatencyTrack);
ctx.registerTrack(EventLatencyTrack);
}
export const plugin = {
pluginId: 'perfetto.ChromeScrollJank',
activate,
};
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