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// Copyright (C) 2021 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 {Plugin, PluginContextTrace, PluginDescriptor} from '../../public';
import {getTrackName} from '../../public/utils';
import {NUM, NUM_NULL, STR, STR_NULL} from '../../trace_processor/query_result';
import {AsyncSliceTrackV2} from './async_slice_track_v2';
export const ASYNC_SLICE_TRACK_KIND = 'AsyncSliceTrack';
class AsyncSlicePlugin implements Plugin {
async onTraceLoad(ctx: PluginContextTrace): Promise<void> {
await this.addGlobalAsyncTracks(ctx);
await this.addProcessAsyncSliceTracks(ctx);
await this.addUserAsyncSliceTracks(ctx);
}
async addGlobalAsyncTracks(ctx: PluginContextTrace): Promise<void> {
const {engine} = ctx;
const rawGlobalAsyncTracks = await engine.query(`
with global_tracks_grouped as (
select
parent_id,
name,
group_concat(id) as trackIds,
count() as trackCount
from track t
join _slice_track_summary using (id)
where t.type in ('track', 'gpu_track', 'cpu_track')
group by parent_id, name
)
select
t.name as name,
t.parent_id as parentId,
t.trackIds as trackIds,
__max_layout_depth(t.trackCount, t.trackIds) as maxDepth
from global_tracks_grouped t
`);
const it = rawGlobalAsyncTracks.iter({
name: STR_NULL,
parentId: NUM_NULL,
trackIds: STR,
maxDepth: NUM,
});
for (; it.valid(); it.next()) {
const rawName = it.name === null ? undefined : it.name;
const displayName = getTrackName({
name: rawName,
kind: ASYNC_SLICE_TRACK_KIND,
});
const rawTrackIds = it.trackIds;
const trackIds = rawTrackIds.split(',').map((v) => Number(v));
const maxDepth = it.maxDepth;
ctx.registerTrack({
uri: `perfetto.AsyncSlices#${rawName}.${it.parentId}`,
displayName,
trackIds,
kind: ASYNC_SLICE_TRACK_KIND,
trackFactory: ({trackKey}) => {
return new AsyncSliceTrackV2({engine, trackKey}, maxDepth, trackIds);
},
});
}
}
async addProcessAsyncSliceTracks(ctx: PluginContextTrace): Promise<void> {
const result = await ctx.engine.query(`
select
upid,
t.name as trackName,
t.track_ids as trackIds,
process.name as processName,
process.pid as pid,
__max_layout_depth(t.track_count, t.track_ids) as maxDepth
from _process_track_summary_by_upid_and_name t
join process using(upid)
where t.name is null or t.name not glob "* Timeline"
`);
const it = result.iter({
upid: NUM,
trackName: STR_NULL,
trackIds: STR,
processName: STR_NULL,
pid: NUM_NULL,
maxDepth: NUM,
});
for (; it.valid(); it.next()) {
const upid = it.upid;
const trackName = it.trackName;
const rawTrackIds = it.trackIds;
const trackIds = rawTrackIds.split(',').map((v) => Number(v));
const processName = it.processName;
const pid = it.pid;
const maxDepth = it.maxDepth;
const kind = ASYNC_SLICE_TRACK_KIND;
const displayName = getTrackName({
name: trackName,
upid,
pid,
processName,
kind,
});
ctx.registerTrack({
uri: `perfetto.AsyncSlices#process.${pid}${rawTrackIds}`,
displayName,
trackIds,
kind: ASYNC_SLICE_TRACK_KIND,
trackFactory: ({trackKey}) => {
return new AsyncSliceTrackV2(
{engine: ctx.engine, trackKey},
maxDepth,
trackIds,
);
},
});
}
}
async addUserAsyncSliceTracks(ctx: PluginContextTrace): Promise<void> {
const {engine} = ctx;
const result = await engine.query(`
select
t.name as name,
t.uid as uid,
package_list.package_name as packageName,
t.track_ids as trackIds,
__max_layout_depth(t.track_count, t.track_ids) as maxDepth
from _uid_track_track_summary_by_uid_and_name t
join package_list using (uid)
`);
const it = result.iter({
name: STR_NULL,
uid: NUM_NULL,
packageName: STR_NULL,
trackIds: STR,
maxDepth: NUM_NULL,
});
for (; it.valid(); it.next()) {
const kind = ASYNC_SLICE_TRACK_KIND;
const rawName = it.name === null ? undefined : it.name;
const userName = it.packageName === null ? undefined : it.packageName;
const uid = it.uid === null ? undefined : it.uid;
const rawTrackIds = it.trackIds;
const trackIds = rawTrackIds.split(',').map((v) => Number(v));
const maxDepth = it.maxDepth;
// If there are no slices in this track, skip it.
if (maxDepth === null) {
continue;
}
const displayName = getTrackName({
name: rawName,
uid,
userName,
kind,
uidTrack: true,
});
ctx.registerTrack({
uri: `perfetto.AsyncSlices#${rawName}.${uid}`,
displayName,
trackIds,
kind: ASYNC_SLICE_TRACK_KIND,
trackFactory: ({trackKey}) => {
return new AsyncSliceTrackV2({engine, trackKey}, maxDepth, trackIds);
},
});
}
}
}
export const plugin: PluginDescriptor = {
pluginId: 'perfetto.AsyncSlices',
plugin: AsyncSlicePlugin,
};
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