src/tool/pps/cfg/gpu.cfg

buffers {
  size_kb: 1024
  fill_policy: RING_BUFFER
}

data_sources {
  config {
    name: "gpu.counters.i915"
    gpu_counter_config {
      counter_period_ns: 1000000000
    }
  }
}

data_sources {
  config {
    name: "gpu.counters.panfrost"
    gpu_counter_config {
      counter_period_ns: 1000000000
    }
  }
}

duration_ms: 16000