class_docstr: PipelineProfiler to trace one pipeline.
class_docstr_tok: ["PipelineProfiler","to","trace","one","pipeline","."]
code: def show(self):
      print("Input: ", self.data)
      print("Total time(s):", round(self.time_out - self.time_in, 3))
      headers = [
          "node",
          "ncalls",
          "total_time(s)",
          "init(s)",
          "wait_data(s)",
          "call_op(s)",
          " output_data(s)",
      ]
      print(
          tabulate(
              [
                  report.values()
                  for _, report in self.node_report.items()
              ],
              headers=headers,
          )
      )
  
imports: import json
  from typing import Dict, List
  from tabulate import tabulate
  from copy import deepcopy
  from pathlib import Path
  from towhee.runtime.constants import WindowAllConst
  from towhee.runtime.time_profiler import Event
  from towhee.utils.log import engine_log
label_desc: Use image node_id 4 for calling the PipelineProfiler obj's underlying member method code with example usage: obj.show() without return types