{
  "probes": {
    "trace_processor": {
      "queries": [
        "speedometer/compute_power_via_rails"
        "speedometer/compute_power_via_wattson"
      ]
    }
    "perfetto": {
      "textproto":
        '''
          buffers: {
              size_kb: 63488
              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"
            }
          }
          data_sources: {
              config {
                  name: "android.power"
                  android_power_config {
                      battery_poll_ms: 200
                      collect_power_rails: true
                  }
              }
          }
          data_sources {
            config {
              name: "linux.ftrace"
              ftrace_config {
                # Per go/wattson-userguide (sorry, Googlers only).
                ftrace_events: "power/cpu_frequency"
                ftrace_events: "power/cpu_idle"
                ftrace_events: "power/suspend_resume"
                ftrace_events: "devfreq/devfreq_frequency"
                # The "Scheduling details" and "CPU frequency and idle states"
                # toggles are also needed and map to the events below.
                ftrace_events: "sched/sched_switch"
                ftrace_events: "sched/sched_blocked_reason"
                ftrace_events: "sched/sched_wakeup"
                ftrace_events: "sched/sched_wakeup_new"
                ftrace_events: "sched/sched_waking"
                ftrace_events: "sched/sched_process_exit"
                ftrace_events: "sched/sched_process_free"
                ftrace_events: "task/task_newtask"
                ftrace_events: "task/task_rename"
                symbolize_ksyms: true
                disable_generic_events: true
              }
            }
          }
        '''
    }
  }
}