code: def _calc_gpu_stats(raw):
      # See STATS for list of stat names/indexes
      index = raw[0]
      mem_total = _parse_raw(raw[3], _parse_bytes)
      mem_used = _parse_raw(raw[4], _parse_bytes)
      vals = [
          ("fanspeed", _parse_raw(raw[1], _parse_percent)),
          ("pstate", _parse_raw(raw[2], _parse_pstate)),
          ("mem_total", mem_total),
          ("mem_used", mem_used),
          ("mem_free", mem_total - mem_used),
          ("mem_util", _parse_raw(raw[6], _parse_percent)),
          ("util", _parse_raw(raw[5], _parse_percent)),
          ("temp", _parse_raw(raw[7], _parse_int)),
          ("powerdraw", _parse_raw(raw[8], _parse_watts)),
      ]
      return {_gpu_val_key(index, name): val for name, val in vals}
  
imports: import csv
  import io
  import subprocess
  import sys
  from guild import util
  from guild.plugins.summary_util import SummaryPlugin
label_desc: Use image node_id 6 for calling the GPUPlugin obj's underlying member method code with example usage: obj._calc_gpu_stats(raw) and returns: unknown