// Example config for collecting PMU counters for Chrome on Android.
{
  browsers: {
    chrome: {
      browser: "chrome-stable",
      driver: {
        type: "adb",
      }
    },
  }
  env: {
  },
  probes: {
    trace_processor: {},
    perfetto: {
    // These Chrome tracing categories allow us to associate PMU counters with events.
      textproto: '''
buffers {
  size_kb: 300000
  fill_policy: DISCARD
}
data_sources: {
  config {
    name: "track_event"
    track_event_config {
      disabled_categories: "*"
      enabled_categories: "blink.user_timing"
    }
  }
}
data_sources {
  config {
    name: "org.chromium.trace_metadata2"
  }
}
'''
    }
    profiling: {
      // Profile the renderer main thread only.
      target: "renderer_main_only"
      pprof: false
      events: ['cpu-cycles']
      count: 500000
      call_graph_mode: 'no_call_graph'
      // Pin the big core, this could be a different CPU on your device.
      cpu: [7]
      pin_renderer_main_core: 7
      add_counters: [
        'raw-inst-retired',
      ]
    }
  }
}