code: def parse_json(self, json_data):
      self.schema_version = json_data["schemaVersion"]
      self.span_idx = json_data["span_indx"]
      try:
          self.device_infos = {
              device_info["id"]: device_info
              for device_info in json_data["deviceProperties"]
          }
      except Exception:
          print(
              "paddlepaddle-gpu version is needed to get GPU device informations."
          )
          self.device_infos = {}
      hostnodes = []
      runtimenodes = []
      devicenodes = []
      memnodes = []
      for event in json_data["traceEvents"]:
          if not event or (event["ph"] != "X" and event["ph"] != "i"):
              continue
          if event["cat"] in host_node_type_map:
              if (
                  event["cat"] == "CudaRuntime"
                  or event["cat"] == "MluRuntime"
              ):
                  runtimenodes.append(HostNode.from_json(event))
              else:
                  hostnodes.append(HostNode.from_json(event))
                  if hostnodes[-1].start_ns == 0:
                      self.start_in_timeline_ns = (
                          int(event["ts"]) * 1000
                      )
          elif event["cat"] in device_node_type_map:
              devicenodes.append(DeviceNode.from_json(event))
          elif event["cat"] in memory_node_event_map:
              memnodes.append(MemNode.from_json(event))
      if memnodes:
          for memnode in memnodes:
              assert self.start_in_timeline_ns is not None
              memnode.timestamp_ns = (
                  memnode.timestamp_ns - self.start_in_timeline_ns
              )
      if not hostnodes:
          self.has_hostnodes = False
      if not devicenodes:
          self.has_devicenodes = False
      if not memnodes:
          self.has_memnodes = False
  
      self.data = self.build_tree(
          hostnodes, runtimenodes, devicenodes, memnodes
      )
      self.extra_info = json_data["ExtraInfo"]
  
imports: import collections
  import functools
  import json
  import re
  import sys
  import tempfile
  from .utils import traverse_tree
label_desc: Use image node_id 2 for calling the ProfilerResult obj's underlying member method code with example usage: obj.parse_json(json_data) without return types