{
  browsers: {
    chrome: {
      browser: "chrome-dev"
      driver: {
        type: "adb",
      }}}
  env: {}
  probes: {
    perfetto: {
      textproto: '''
buffers {
  size_kb: 300000
  fill_policy: DISCARD
}
data_sources: {
    config {
        name: "track_event"
        track_event_config {
            disabled_categories: "*"
            enabled_categories: "disabled-by-default-v8.gc"
            enabled_categories: "v8.gc"
            enabled_categories: "disabled-by-default-cppgc"
            enabled_categories: "cppgc"
            enabled_categories: "blink.user_timing"
            enabled_categories: "__metadata"
            timestamp_unit_multiplier: 1000
            filter_debug_annotations: false
            enable_thread_time_sampling: true
            filter_dynamic_event_names: false
        }
    }
}
data_sources: {
    config {
        name: "org.chromium.trace_metadata2"
    }
}
'''
    }
  }
}