android_gpu {
  freq_metrics {
    gpu_id: 0
    freq_max: 603000
    freq_min: 0
    freq_avg: 475200.0  # = (585000 * 2 + 0 * 1 + 603000 * 2) / 5
    used_freqs {
      freq: 0
      dur_ms: 1.0
      percentage: 20.0
    }
    used_freqs {
      freq: 585000
      dur_ms: 2.0
      percentage: 40.0
    }
    used_freqs {
      freq: 603000
      dur_ms: 2.0
      percentage: 40.0
    }
  }
  freq_metrics {
    gpu_id: 1
    freq_max: 758000
    freq_min: 400000
    freq_avg: 489500.0  # = (400000 * 3 + 758000 * 1) / 4
    used_freqs {
      freq: 400000
      dur_ms: 3.0
      percentage: 75.0
    }
    used_freqs {
      freq: 758000
      dur_ms: 1.0
      percentage: 25.0
    }
  }
}