buffers {
  size_kb: 65536
  fill_policy: DISCARD
}
data_sources {
  config {
    name: "track_event"
    chrome_config {
      trace_config: "{\"record_mode\":\"record-until-full\",\"included_categories\":[\"disabled-by-default-histogram_samples\"],\"excluded_categories\":[\"*\"]}"
      privacy_filtering_enabled: false
      client_priority: USER_INITIATED
    }
    track_event_config {
      disabled_categories: "*"
      enabled_categories: "disabled-by-default-histogram_samples"
      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_metadata"
    chrome_config {
      trace_config: "{\"record_mode\":\"record-until-full\",\"included_categories\":[\"disabled-by-default-histogram_samples\"],\"excluded_categories\":[\"*\"]}"
      privacy_filtering_enabled: false
      client_priority: USER_INITIATED
    }
  }
}
data_sources {
  config {
    name: "org.chromium.histogram_sample"
    chromium_histogram_samples {
      {% for name in histogram_names %}
      histograms {
        histogram_name: "{{ name }}"
      }
      {% endfor %}
    }
  }
}
duration_ms: {{ duration | default(10000) }}