test/trace_processor/memory/android_fastrpc_dma_stat.textproto

packet {
  ftrace_events {
    cpu: 0
    event {
      timestamp: 100
      pid: 1
      fastrpc_dma_stat {
        cid: 1
        len: 1000
        total_allocated: 2000
      }
    }
  }
}
packet {
  ftrace_events {
    cpu: 0
    event {
      timestamp: 200
      pid: 1
      fastrpc_dma_stat {
        cid: 1
        len: -1000
        total_allocated: 1000
      }
    }
  }
}