ui/src/plugins/dev.perfetto.Chaos/index.ts

// 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 {
  Plugin,
  PluginContext,
  PluginContextTrace,
  PluginDescriptor,
  addDebugSliceTrack,
} from '../../public';

class Chaos implements Plugin {
  onActivate(ctx: PluginContext): void {
    ctx.registerCommand({
      id: 'dev.perfetto.Chaos#CrashNow',
      name: 'Chaos: crash now',
      callback: () => {
        throw new Error('Manual crash from dev.perfetto.Chaos#CrashNow');
      },
    });
  }

  async onTraceLoad(ctx: PluginContextTrace): Promise<void> {
    ctx.registerCommand({
      id: 'dev.perfetto.Chaos#CrashNowQuery',
      name: 'Chaos: run crashing query',
      callback: () => {
        ctx.engine.query(`this is a
          syntactically
          invalid
          query
          over
          many
          lines
        `);
      },
    });

    ctx.registerCommand({
      id: 'dev.perfetto.Chaos#AddCrashingDebugTrack',
      name: 'Chaos: add crashing debug track',
      callback: () => {
        addDebugSliceTrack(
          ctx.engine,
          {
            sqlSource: `
            syntactically
            invalid
            query
            over
            many
          `,
          },
          `Chaos track`,
          {ts: 'ts', dur: 'dur', name: 'name'},
          [],
        );
      },
    });
  }

  async onTraceUnload(_: PluginContextTrace): Promise<void> {}

  onDeactivate(_: PluginContext): void {}
}

export const plugin: PluginDescriptor = {
  pluginId: 'dev.perfetto.Chaos',
  plugin: Chaos,
};