test/trace_processor/stack_profile_tracker_empty_callstack.textproto

packet {
  clock_snapshot {
    clocks: {
      clock_id: 6 # BOOTTIME
      timestamp: 0
    }
    clocks: {
      clock_id: 4 # MONOTONIC_COARSE
      timestamp: 0
    }
  }
}

packet {
  previous_packet_dropped: true
  incremental_state_cleared: true
  trusted_packet_sequence_id: 1
  timestamp: 0
  interned_data {
    callstacks {
      iid: 1
    }
  }
}

packet {
  trusted_packet_sequence_id: 1
  timestamp: 0
  profile_packet {
    index: 0
    continued: false
    process_dumps {
      samples {
        callstack_id: 1
        self_allocated: 1
        alloc_count: 1
      }
      samples {
        callstack_id: 1
        self_allocated: 1
        alloc_count: 1
      }
    }
  }
}