{
  probes: {
    // Uncomment the following line to record a WPR archive.
    // wpr: {},
    trace_processor: {
      queries: [
        "loadline/benchmark_score",
      ],
      batch: false,
    },
    perfetto: {
      textproto: '''
        buffers {
          size_kb: 300000
          fill_policy: DISCARD
        }
        data_sources {
          config {
            name: "org.chromium.trace_metadata"
          }
        }
        data_sources {
          config {
            name: "track_event"
            track_event_config {
              disabled_categories: "*"
              enabled_categories: "benchmark"
              enabled_categories: "blink.user_timing"
              enabled_categories: "devtools.timeline"
              enabled_categories: "disabled-by-default-devtools.timeline"
              enabled_categories: "loading"
              enabled_categories: "v8"
              enabled_categories: "__metadata"
              timestamp_unit_multiplier: 1000
              enable_thread_time_sampling: true
              filter_debug_annotations: false
              filter_dynamic_event_names: false
            }
          }
        }
      '''
    }
  }
}