buffers {
  size_kb: 300000
  fill_policy: DISCARD
}
buffers {
  size_kb: 2048
  fill_policy: DISCARD
}
data_sources {
  config {
    name: "android.packages_list"
    target_buffer: 1
  }
}
data_sources {
  config {
    name: "linux.process_stats"
    target_buffer: 1
    process_stats_config {
      scan_all_processes_on_start: true
    }
  }
}
data_sources {
  config {
    name: "org.chromium.trace_metadata2"
  }
}
data_sources {
  config {
    name: "track_event"
    track_event_config {
      disabled_categories: "*"
      enabled_categories: "blink.user_timing"
    }
  }
}
data_sources {
  config {
    name: "linux.sys_stats"
    sys_stats_config {
      stat_period_ms: 1000
      stat_counters: STAT_CPU_TIMES
      stat_counters: STAT_FORK_COUNT
      cpufreq_period_ms: 1000
    }
  }
}
data_sources {
  config {
    name: "linux.ftrace"
    ftrace_config {
      ftrace_events: "sched/sched_switch"
      ftrace_events: "sched/sched_waking"
      ftrace_events: "task/task_newtask"
      ftrace_events: "task/task_rename"
      symbolize_ksyms: true
    }
  }
}
data_sources: {
  config {
    name: "android.power"
    android_power_config {
      battery_poll_ms: 250
      collect_power_rails: true
      # Note: it is possible to specify both rails and battery counters
      # in this section.
    }
  }
}
duration_ms: 500000